llvm-project/llvm/unittests/CodeGen/GlobalISel/LegalizerHelperTest.cpp

4101 lines
141 KiB
C++

//===- LegalizerHelperTest.cpp
//-----------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "GISelMITest.h"
#include "llvm/CodeGen/GlobalISel/LostDebugLocObserver.h"
using namespace LegalizeActions;
using namespace LegalizeMutations;
using namespace LegalityPredicates;
namespace {
class DummyGISelObserver : public GISelChangeObserver {
public:
void changingInstr(MachineInstr &MI) override {}
void changedInstr(MachineInstr &MI) override {}
void createdInstr(MachineInstr &MI) override {}
void erasingInstr(MachineInstr &MI) override {}
};
// Test G_ROTL/G_ROTR lowering.
TEST_F(AArch64GISelMITest, LowerRotates) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder({G_ROTR, G_ROTL}).lower(); });
LLT S32 = LLT::scalar(32);
auto Src = B.buildTrunc(S32, Copies[0]);
auto Amt = B.buildTrunc(S32, Copies[1]);
auto ROTR = B.buildInstr(TargetOpcode::G_ROTR, {S32}, {Src, Amt});
auto ROTL = B.buildInstr(TargetOpcode::G_ROTL, {S32}, {Src, Amt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*ROTR, 0, S32));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*ROTL, 0, S32));
auto CheckStr = R"(
; Check G_ROTR
CHECK: [[SRC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[AMT:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 31
CHECK: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[C]]:_, [[AMT]]:_
CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[AMT]]:_, [[C1]]:_
CHECK: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[SRC]]:_, [[AND]]:_(s32)
CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[SUB]]:_, [[C1]]:_
CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[SRC]]:_, [[AND1]]:_(s32)
CHECK: G_OR [[LSHR]]:_, [[SHL]]:_
; Check G_ROTL
CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 31
CHECK: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[C]]:_, [[AMT]]:_
CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[AMT]]:_, [[C1]]:_
CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[SRC]]:_, [[AND]]:_(s32)
CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[SUB]]:_, [[C1]]:_
CHECK: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[SRC]]:_, [[AND1]]:_(s32)
CHECK: G_OR [[SHL]]:_, [[LSHR]]:_
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// Test G_ROTL/G_ROTR non-pow2 lowering.
TEST_F(AArch64GISelMITest, LowerRotatesNonPow2) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder({G_ROTR, G_ROTL}).lower(); });
LLT S24 = LLT::scalar(24);
auto Src = B.buildTrunc(S24, Copies[0]);
auto Amt = B.buildTrunc(S24, Copies[1]);
auto ROTR = B.buildInstr(TargetOpcode::G_ROTR, {S24}, {Src, Amt});
auto ROTL = B.buildInstr(TargetOpcode::G_ROTL, {S24}, {Src, Amt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*ROTR, 0, S24));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*ROTL, 0, S24));
auto CheckStr = R"(
; Check G_ROTR
CHECK: [[SRC:%[0-9]+]]:_(s24) = G_TRUNC
CHECK: [[AMT:%[0-9]+]]:_(s24) = G_TRUNC
CHECK: [[C:%[0-9]+]]:_(s24) = G_CONSTANT i24 0
CHECK: [[C1:%[0-9]+]]:_(s24) = G_CONSTANT i24 23
CHECK: [[C2:%[0-9]+]]:_(s24) = G_CONSTANT i24 24
CHECK: [[UREM:%[0-9]+]]:_(s24) = G_UREM [[AMT]]:_, [[C2]]:_
CHECK: [[LSHR:%[0-9]+]]:_(s24) = G_LSHR [[SRC]]:_, [[UREM]]:_(s24)
CHECK: [[SUB:%[0-9]+]]:_(s24) = G_SUB [[C1]]:_, [[UREM]]:_
CHECK: [[C4:%[0-9]+]]:_(s24) = G_CONSTANT i24 1
CHECK: [[SHL:%[0-9]+]]:_(s24) = G_SHL [[SRC]]:_, [[C4]]:_(s24)
CHECK: [[SHL2:%[0-9]+]]:_(s24) = G_SHL [[SHL]]:_, [[SUB]]:_(s24)
CHECK: G_OR [[LSHR]]:_, [[SHL2]]:_
; Check G_ROTL
CHECK: [[C:%[0-9]+]]:_(s24) = G_CONSTANT i24 0
CHECK: [[C1:%[0-9]+]]:_(s24) = G_CONSTANT i24 23
CHECK: [[C2:%[0-9]+]]:_(s24) = G_CONSTANT i24 24
CHECK: [[UREM:%[0-9]+]]:_(s24) = G_UREM [[AMT]]:_, [[C2]]:_
CHECK: [[SHL:%[0-9]+]]:_(s24) = G_SHL [[SRC]]:_, [[UREM]]:_(s24)
CHECK: [[SUB:%[0-9]+]]:_(s24) = G_SUB [[C1]]:_, [[UREM]]:_
CHECK: [[C4:%[0-9]+]]:_(s24) = G_CONSTANT i24 1
CHECK: [[LSHR:%[0-9]+]]:_(s24) = G_LSHR [[SRC]]:_, [[C4]]:_(s24)
CHECK: [[LSHR2:%[0-9]+]]:_(s24) = G_LSHR [[LSHR]]:_, [[SUB]]:_(s24)
CHECK: G_OR [[SHL]]:_, [[LSHR2]]:_
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// Test vector G_ROTR lowering.
TEST_F(AArch64GISelMITest, LowerRotatesVector) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder({G_ROTR, G_ROTL}).lower(); });
LLT S32 = LLT::scalar(32);
LLT V4S32 = LLT::fixed_vector(4, S32);
auto SrcTrunc = B.buildTrunc(S32, Copies[0]);
auto Src = B.buildSplatVector(V4S32, SrcTrunc);
auto AmtTrunc = B.buildTrunc(S32, Copies[1]);
auto Amt = B.buildSplatVector(V4S32, AmtTrunc);
auto ROTR = B.buildInstr(TargetOpcode::G_ROTR, {V4S32}, {Src, Amt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*ROTR, 0, V4S32));
auto CheckStr = R"(
CHECK: [[SRCTRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[SRC:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[SRCTRUNC]]
CHECK: [[AMTTRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[AMT:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[AMTTRUNC]]
CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
CHECK: [[ZERO:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[C]]
CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 31
CHECK: [[VEC31:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[C1]]
CHECK: [[SUB:%[0-9]+]]:_(<4 x s32>) = G_SUB [[ZERO]]:_, [[AMT]]:_
CHECK: [[AND:%[0-9]+]]:_(<4 x s32>) = G_AND [[AMT]]:_, [[VEC31]]:_
CHECK: [[LSHR:%[0-9]+]]:_(<4 x s32>) = G_LSHR [[SRC]]:_, [[AND]]:_(<4 x s32>)
CHECK: [[AND1:%[0-9]+]]:_(<4 x s32>) = G_AND [[SUB]]:_, [[VEC31]]:_
CHECK: [[SHL:%[0-9]+]]:_(<4 x s32>) = G_SHL [[SRC]]:_, [[AND1]]:_(<4 x s32>)
CHECK: G_OR [[LSHR]]:_, [[SHL]]:_
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// Test CTTZ expansion when CTTZ_ZERO_UNDEF is legal or custom,
// in which case it becomes CTTZ_ZERO_UNDEF with select.
TEST_F(AArch64GISelMITest, LowerBitCountingCTTZ0) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_CTTZ_ZERO_UNDEF).legalFor({{s32, s64}});
});
// Build Instr
auto MIBCTTZ =
B.buildInstr(TargetOpcode::G_CTTZ, {LLT::scalar(32)}, {Copies[0]});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*MIBCTTZ, 0, LLT::scalar(64)));
auto CheckStr = R"(
CHECK: [[CZU:%[0-9]+]]:_(s32) = G_CTTZ_ZERO_UNDEF %0
CHECK: [[ZERO:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
CHECK: [[CMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), %0:_(s64), [[ZERO]]
CHECK: [[SIXTY4:%[0-9]+]]:_(s32) = G_CONSTANT i32 64
CHECK: [[SEL:%[0-9]+]]:_(s32) = G_SELECT [[CMP]]:_(s1), [[SIXTY4]]:_, [[CZU]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// CTTZ expansion in terms of CTLZ
TEST_F(AArch64GISelMITest, LowerBitCountingCTTZ1) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_CTLZ).legalFor({{s64, s64}});
});
// Build Instr
auto MIBCTTZ =
B.buildInstr(TargetOpcode::G_CTTZ, {LLT::scalar(64)}, {Copies[0]});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
EXPECT_TRUE(Helper.lower(*MIBCTTZ, 0, LLT::scalar(64)) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: [[NEG1:%[0-9]+]]:_(s64) = G_CONSTANT i64 -1
CHECK: [[NOT:%[0-9]+]]:_(s64) = G_XOR %0:_, [[NEG1]]
CHECK: [[SUB1:%[0-9]+]]:_(s64) = G_ADD %0:_, [[NEG1]]
CHECK: [[AND1:%[0-9]+]]:_(s64) = G_AND [[NOT]]:_, [[SUB1]]:_
CHECK: [[CST64:%[0-9]+]]:_(s64) = G_CONSTANT i64 64
CHECK: [[CTLZ:%[0-9]+]]:_(s64) = G_CTLZ [[AND1]]:_
CHECK: G_SUB [[CST64]]:_, [[CTLZ]]:_
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// CTLZ scalar narrowing
TEST_F(AArch64GISelMITest, NarrowScalarCTLZ) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_CTLZ).legalFor({{s32, s32}});
});
// Build Instr
auto CTLZ =
B.buildInstr(TargetOpcode::G_CTLZ, {LLT::scalar(32)}, {Copies[0]});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*CTLZ, 1, LLT::scalar(32)));
auto CheckStr = R"(
CHECK: [[UNMERGE_LO:%[0-9]+]]:_(s32), [[UNMERGE_HI:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES %0:_(s64)
CHECK: [[ZERO:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
CHECK: [[CMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[UNMERGE_HI]]:_(s32), [[ZERO]]:_
CHECK: [[CTLZ_LO:%[0-9]+]]:_(s32) = G_CTLZ [[UNMERGE_LO]]:_(s32)
CHECK: [[THIRTYTWO:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
CHECK: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[CTLZ_LO]]:_, [[THIRTYTWO]]:_
CHECK: [[CTLZ_HI:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[UNMERGE_HI]]:_(s32)
CHECK: %{{[0-9]+}}:_(s32) = G_SELECT [[CMP]]:_(s1), [[ADD]]:_, [[CTLZ_HI]]:_
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// CTTZ scalar narrowing
TEST_F(AArch64GISelMITest, NarrowScalarCTTZ) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_CTTZ).legalFor({{s32, s64}});
});
// Build Instr
auto CTTZ =
B.buildInstr(TargetOpcode::G_CTTZ, {LLT::scalar(32)}, {Copies[0]});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*CTTZ, 1, LLT::scalar(32)));
auto CheckStr = R"(
CHECK: [[UNMERGE_LO:%[0-9]+]]:_(s32), [[UNMERGE_HI:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES %0:_(s64)
CHECK: [[ZERO:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
CHECK: [[CMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[UNMERGE_LO]]:_(s32), [[ZERO]]:_
CHECK: [[CTTZ_HI:%[0-9]+]]:_(s32) = G_CTTZ [[UNMERGE_HI]]:_(s32)
CHECK: [[THIRTYTWO:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
CHECK: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[CTTZ_HI]]:_, [[THIRTYTWO]]:_
CHECK: [[CTTZ_LO:%[0-9]+]]:_(s32) = G_CTTZ_ZERO_UNDEF [[UNMERGE_LO]]:_(s32)
CHECK: %{{[0-9]+}}:_(s32) = G_SELECT [[CMP]]:_(s1), [[ADD]]:_, [[CTTZ_LO]]:_
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// CTTZ expansion in terms of CTPOP
TEST_F(AArch64GISelMITest, LowerBitCountingCTTZ2) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_CTPOP).legalFor({{s64, s64}});
});
// Build
auto MIBCTTZ =
B.buildInstr(TargetOpcode::G_CTTZ, {LLT::scalar(64)}, {Copies[0]});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
B.setInsertPt(*EntryMBB, MIBCTTZ->getIterator());
EXPECT_TRUE(Helper.lower(*MIBCTTZ, 0, LLT::scalar(64)) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: [[NEG1:%[0-9]+]]:_(s64) = G_CONSTANT i64 -1
CHECK: [[NOT:%[0-9]+]]:_(s64) = G_XOR %0:_, [[NEG1]]
CHECK: [[SUB1:%[0-9]+]]:_(s64) = G_ADD %0:_, [[NEG1]]
CHECK: [[AND1:%[0-9]+]]:_(s64) = G_AND [[NOT]]:_, [[SUB1]]:_
CHECK: [[POP:%[0-9]+]]:_(s64) = G_CTPOP [[AND1]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// CTPOP widening.
TEST_F(AArch64GISelMITest, WidenBitCountingCTPOP1) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_CTPOP).legalFor({{s16, s16}});
});
// Build
// Trunc it to s8.
LLT s8{LLT::scalar(8)};
LLT s16{LLT::scalar(16)};
auto MIBTrunc = B.buildTrunc(s8, Copies[0]);
auto MIBCTPOP = B.buildInstr(TargetOpcode::G_CTPOP, {s16}, {MIBTrunc});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
B.setInstr(*MIBCTPOP);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.widenScalar(*MIBCTPOP, 1, s16));
auto CheckStr = R"(
CHECK: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC %0:_(s64)
CHECK: [[ZEXT:%[0-9]+]]:_(s16) = G_ZEXT [[TRUNC]]:_(s8)
CHECK: [[CTPOP:%[0-9]+]]:_(s16) = G_CTPOP [[ZEXT]]
CHECK: [[COPY:%[0-9]+]]:_(s16) = COPY [[CTPOP]]:_(s16)
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// Test a strange case where the result is wider than the source
TEST_F(AArch64GISelMITest, WidenBitCountingCTPOP2) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_CTPOP).legalFor({{s32, s16}});
});
// Build
// Trunc it to s8.
LLT s8{LLT::scalar(8)};
LLT s16{LLT::scalar(16)};
LLT s32{LLT::scalar(32)};
auto MIBTrunc = B.buildTrunc(s8, Copies[0]);
auto MIBCTPOP = B.buildInstr(TargetOpcode::G_CTPOP, {s32}, {MIBTrunc});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
B.setInstr(*MIBCTPOP);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.widenScalar(*MIBCTPOP, 1, s16));
auto CheckStr = R"(
CHECK: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC %0:_(s64)
CHECK: [[ZEXT:%[0-9]+]]:_(s16) = G_ZEXT [[TRUNC]]:_(s8)
CHECK: [[CTPOP:%[0-9]+]]:_(s16) = G_CTPOP [[ZEXT]]
CHECK: [[COPY:%[0-9]+]]:_(s32) = G_ZEXT [[CTPOP]]:_(s16)
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// CTTZ_ZERO_UNDEF expansion in terms of CTTZ
TEST_F(AArch64GISelMITest, LowerBitCountingCTTZ3) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_CTTZ).legalFor({{s64, s64}});
});
// Build
auto MIBCTTZ = B.buildInstr(TargetOpcode::G_CTTZ_ZERO_UNDEF,
{LLT::scalar(64)}, {Copies[0]});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_TRUE(Helper.lower(*MIBCTTZ, 0, LLT::scalar(64)) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: CTTZ
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// CTLZ expansion in terms of CTLZ_ZERO_UNDEF
TEST_F(AArch64GISelMITest, LowerBitCountingCTLZ0) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_CTLZ_ZERO_UNDEF).legalFor({{s64, s64}});
});
// Build
auto MIBCTLZ =
B.buildInstr(TargetOpcode::G_CTLZ, {LLT::scalar(64)}, {Copies[0]});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_TRUE(Helper.lower(*MIBCTLZ, 0, LLT::scalar(64)) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: [[CZU:%[0-9]+]]:_(s64) = G_CTLZ_ZERO_UNDEF %0
CHECK: [[ZERO:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
CHECK: [[CMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), %0:_(s64), [[ZERO]]
CHECK: [[SIXTY4:%[0-9]+]]:_(s64) = G_CONSTANT i64 64
CHECK: [[SEL:%[0-9]+]]:_(s64) = G_SELECT [[CMP]]:_(s1), [[SIXTY4]]:_, [[CZU]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// CTLZ expansion in terms of CTLZ_ZERO_UNDEF if the latter is a libcall
TEST_F(AArch64GISelMITest, LowerBitCountingCTLZLibcall) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_CTLZ_ZERO_UNDEF).libcallFor({{s32, s64}});
});
// Build
auto MIBCTLZ =
B.buildInstr(TargetOpcode::G_CTLZ, {LLT::scalar(32)}, {Copies[0]});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*MIBCTLZ, 0, LLT::scalar(32)));
auto CheckStr = R"(
CHECK: [[CZU:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF %0
CHECK: [[ZERO:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
CHECK: [[CMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), %0:_(s64), [[ZERO]]
CHECK: [[THIRTY2:%[0-9]+]]:_(s32) = G_CONSTANT i32 64
CHECK: [[SEL:%[0-9]+]]:_(s32) = G_SELECT [[CMP]]:_(s1), [[THIRTY2]]:_, [[CZU]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// CTLZ expansion
TEST_F(AArch64GISelMITest, LowerBitCountingCTLZ1) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_CTPOP).legalFor({{s8, s8}});
});
// Build
// Trunc it to s8.
LLT s8{LLT::scalar(8)};
auto MIBTrunc = B.buildTrunc(s8, Copies[0]);
auto MIBCTLZ = B.buildInstr(TargetOpcode::G_CTLZ, {s8}, {MIBTrunc});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_TRUE(Helper.lower(*MIBCTLZ, 0, s8) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC
CHECK: [[Cst1:%[0-9]+]]:_(s8) = G_CONSTANT i8 1
CHECK: [[Sh1:%[0-9]+]]:_(s8) = G_LSHR [[Trunc]]:_, [[Cst1]]:_
CHECK: [[Or1:%[0-9]+]]:_(s8) = G_OR [[Trunc]]:_, [[Sh1]]:_
CHECK: [[Cst2:%[0-9]+]]:_(s8) = G_CONSTANT i8 2
CHECK: [[Sh2:%[0-9]+]]:_(s8) = G_LSHR [[Or1]]:_, [[Cst2]]:_
CHECK: [[Or2:%[0-9]+]]:_(s8) = G_OR [[Or1]]:_, [[Sh2]]:_
CHECK: [[Cst4:%[0-9]+]]:_(s8) = G_CONSTANT i8 4
CHECK: [[Sh4:%[0-9]+]]:_(s8) = G_LSHR [[Or2]]:_, [[Cst4]]:_
CHECK: [[Or4:%[0-9]+]]:_(s8) = G_OR [[Or2]]:_, [[Sh4]]:_
CHECK: [[CTPOP:%[0-9]+]]:_(s8) = G_CTPOP [[Or4]]:_
CHECK: [[Len:%[0-9]+]]:_(s8) = G_CONSTANT i8 8
CHECK: [[Sub:%[0-9]+]]:_(s8) = G_SUB [[Len]]:_, [[CTPOP]]:_
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// CTLZ widening.
TEST_F(AArch64GISelMITest, WidenBitCountingCTLZ) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_CTLZ).legalFor({{s16, s16}});
});
// Build
// Trunc it to s8.
LLT s8{LLT::scalar(8)};
LLT s16{LLT::scalar(16)};
auto MIBTrunc = B.buildTrunc(s8, Copies[0]);
auto MIBCTLZ = B.buildInstr(TargetOpcode::G_CTLZ, {s8}, {MIBTrunc});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_TRUE(Helper.widenScalar(*MIBCTLZ, 1, s16) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC
CHECK: [[Zext:%[0-9]+]]:_(s16) = G_ZEXT [[Trunc]]
CHECK: [[Ctlz:%[0-9]+]]:_(s16) = G_CTLZ [[Zext]]
CHECK: [[Cst8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
CHECK: [[Sub:%[0-9]+]]:_(s16) = G_SUB [[Ctlz]]:_, [[Cst8]]:_
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC [[Sub]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// CTLZ_ZERO_UNDEF widening.
TEST_F(AArch64GISelMITest, WidenBitCountingCTLZZeroUndef) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_CTLZ_ZERO_UNDEF).legalFor({{s16, s16}});
});
// Build
// Trunc it to s8.
LLT s8{LLT::scalar(8)};
LLT s16{LLT::scalar(16)};
auto MIBTrunc = B.buildTrunc(s8, Copies[0]);
auto MIBCTLZ_ZU =
B.buildInstr(TargetOpcode::G_CTLZ_ZERO_UNDEF, {s8}, {MIBTrunc});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_TRUE(Helper.widenScalar(*MIBCTLZ_ZU, 1, s16) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC
CHECK: [[Zext:%[0-9]+]]:_(s16) = G_ZEXT [[Trunc]]
CHECK: [[CtlzZu:%[0-9]+]]:_(s16) = G_CTLZ_ZERO_UNDEF [[Zext]]
CHECK: [[Cst8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
CHECK: [[Sub:%[0-9]+]]:_(s16) = G_SUB [[CtlzZu]]:_, [[Cst8]]:_
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC [[Sub]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// CTPOP widening.
TEST_F(AArch64GISelMITest, WidenBitCountingCTPOP) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_CTPOP).legalFor({{s16, s16}});
});
// Build
// Trunc it to s8.
LLT s8{LLT::scalar(8)};
LLT s16{LLT::scalar(16)};
auto MIBTrunc = B.buildTrunc(s8, Copies[0]);
auto MIBCTPOP = B.buildInstr(TargetOpcode::G_CTPOP, {s8}, {MIBTrunc});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_TRUE(Helper.widenScalar(*MIBCTPOP, 1, s16) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC
CHECK: [[Zext:%[0-9]+]]:_(s16) = G_ZEXT [[Trunc]]
CHECK: [[Ctpop:%[0-9]+]]:_(s16) = G_CTPOP [[Zext]]
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC [[Ctpop]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// CTTZ_ZERO_UNDEF widening.
TEST_F(AArch64GISelMITest, WidenBitCountingCTTZ_ZERO_UNDEF) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_CTTZ_ZERO_UNDEF).legalFor({{s16, s16}});
});
// Build
// Trunc it to s8.
LLT s8{LLT::scalar(8)};
LLT s16{LLT::scalar(16)};
auto MIBTrunc = B.buildTrunc(s8, Copies[0]);
auto MIBCTTZ_ZERO_UNDEF =
B.buildInstr(TargetOpcode::G_CTTZ_ZERO_UNDEF, {s8}, {MIBTrunc});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_TRUE(Helper.widenScalar(*MIBCTTZ_ZERO_UNDEF, 1, s16) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC
CHECK: [[AnyExt:%[0-9]+]]:_(s16) = G_ANYEXT [[Trunc]]
CHECK: [[CttzZu:%[0-9]+]]:_(s16) = G_CTTZ_ZERO_UNDEF [[AnyExt]]
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC [[CttzZu]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// CTTZ widening.
TEST_F(AArch64GISelMITest, WidenBitCountingCTTZ) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_CTTZ).legalFor({{s16, s16}});
});
// Build
// Trunc it to s8.
LLT s8{LLT::scalar(8)};
LLT s16{LLT::scalar(16)};
auto MIBTrunc = B.buildTrunc(s8, Copies[0]);
auto MIBCTTZ = B.buildInstr(TargetOpcode::G_CTTZ, {s8}, {MIBTrunc});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_TRUE(Helper.widenScalar(*MIBCTTZ, 1, s16) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC
CHECK: [[AnyExt:%[0-9]+]]:_(s16) = G_ANYEXT [[Trunc]]
CHECK: [[Cst:%[0-9]+]]:_(s16) = G_CONSTANT i16 256
CHECK: [[Or:%[0-9]+]]:_(s16) = G_OR [[AnyExt]]:_, [[Cst]]
CHECK: [[Cttz:%[0-9]+]]:_(s16) = G_CTTZ_ZERO_UNDEF [[Or]]
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC [[Cttz]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// UADDO widening.
TEST_F(AArch64GISelMITest, WidenUADDO) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_ADD).legalFor({{s16, s16}});
});
// Build
// Trunc it to s8.
LLT s8{LLT::scalar(8)};
LLT s16{LLT::scalar(16)};
auto MIBTrunc = B.buildTrunc(s8, Copies[0]);
unsigned CarryReg = MRI->createGenericVirtualRegister(LLT::scalar(1));
auto MIBUAddO =
B.buildInstr(TargetOpcode::G_UADDO, {s8, CarryReg}, {MIBTrunc, MIBTrunc});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_TRUE(Helper.widenScalar(*MIBUAddO, 0, s16) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC
CHECK: [[LHS:%[0-9]+]]:_(s16) = G_ZEXT [[Trunc]]
CHECK: [[RHS:%[0-9]+]]:_(s16) = G_ZEXT [[Trunc]]
CHECK: [[ADD:%[0-9]+]]:_(s16) = G_ADD [[LHS]]:_, [[RHS]]:_
CHECK: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[ADD]]
CHECK: [[ZEXT:%[0-9]+]]:_(s16) = G_ZEXT [[TRUNC1]]
CHECK: G_ICMP intpred(ne), [[ADD]]:_(s16), [[ZEXT]]:_
CHECK: G_TRUNC [[ADD]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// USUBO widening.
TEST_F(AArch64GISelMITest, WidenUSUBO) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_SUB).legalFor({{s16, s16}});
});
// Build
// Trunc it to s8.
LLT s8{LLT::scalar(8)};
LLT s16{LLT::scalar(16)};
auto MIBTrunc = B.buildTrunc(s8, Copies[0]);
unsigned CarryReg = MRI->createGenericVirtualRegister(LLT::scalar(1));
auto MIBUSUBO =
B.buildInstr(TargetOpcode::G_USUBO, {s8, CarryReg}, {MIBTrunc, MIBTrunc});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_TRUE(Helper.widenScalar(*MIBUSUBO, 0, s16) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC
CHECK: [[LHS:%[0-9]+]]:_(s16) = G_ZEXT [[Trunc]]
CHECK: [[RHS:%[0-9]+]]:_(s16) = G_ZEXT [[Trunc]]
CHECK: [[SUB:%[0-9]+]]:_(s16) = G_SUB [[LHS]]:_, [[RHS]]:_
CHECK: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[SUB]]
CHECK: [[ZEXT:%[0-9]+]]:_(s16) = G_ZEXT [[TRUNC1]]
CHECK: G_ICMP intpred(ne), [[SUB]]:_(s16), [[ZEXT]]:_
CHECK: G_TRUNC [[SUB]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// SADDO widening.
TEST_F(AArch64GISelMITest, WidenSADDO) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_ADD).legalFor({{s16, s16}});
});
// Build
// Trunc it to s8.
LLT s8{LLT::scalar(8)};
LLT s16{LLT::scalar(16)};
auto MIBTrunc = B.buildTrunc(s8, Copies[0]);
unsigned CarryReg = MRI->createGenericVirtualRegister(LLT::scalar(1));
auto MIBSAddO =
B.buildInstr(TargetOpcode::G_SADDO, {s8, CarryReg}, {MIBTrunc, MIBTrunc});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_TRUE(Helper.widenScalar(*MIBSAddO, 0, s16) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC
CHECK: [[LHS:%[0-9]+]]:_(s16) = G_SEXT [[Trunc]]
CHECK: [[RHS:%[0-9]+]]:_(s16) = G_SEXT [[Trunc]]
CHECK: [[ADD:%[0-9]+]]:_(s16) = G_ADD [[LHS]]:_, [[RHS]]:_
CHECK: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[ADD]]
CHECK: [[SEXT:%[0-9]+]]:_(s16) = G_SEXT [[TRUNC1]]
CHECK: G_ICMP intpred(ne), [[ADD]]:_(s16), [[SEXT]]:_
CHECK: G_TRUNC [[ADD]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// SSUBO widening.
TEST_F(AArch64GISelMITest, WidenSSUBO) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_SUB).legalFor({{s16, s16}});
});
// Build
// Trunc it to s8.
LLT s8{LLT::scalar(8)};
LLT s16{LLT::scalar(16)};
auto MIBTrunc = B.buildTrunc(s8, Copies[0]);
unsigned CarryReg = MRI->createGenericVirtualRegister(LLT::scalar(1));
auto MIBSSUBO =
B.buildInstr(TargetOpcode::G_SSUBO, {s8, CarryReg}, {MIBTrunc, MIBTrunc});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_TRUE(Helper.widenScalar(*MIBSSUBO, 0, s16) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC
CHECK: [[LHS:%[0-9]+]]:_(s16) = G_SEXT [[Trunc]]
CHECK: [[RHS:%[0-9]+]]:_(s16) = G_SEXT [[Trunc]]
CHECK: [[SUB:%[0-9]+]]:_(s16) = G_SUB [[LHS]]:_, [[RHS]]:_
CHECK: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[SUB]]
CHECK: [[SEXT:%[0-9]+]]:_(s16) = G_SEXT [[TRUNC1]]
CHECK: G_ICMP intpred(ne), [[SUB]]:_(s16), [[SEXT]]:_
CHECK: G_TRUNC [[SUB]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, WidenUADDE) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_UADDE).legalFor({{s16, s16}});
});
// Build
// Trunc it to s8.
LLT s8{LLT::scalar(8)};
LLT s16{LLT::scalar(16)};
auto MIBTrunc = B.buildTrunc(s8, Copies[0]);
auto CarryIn = B.buildUndef(LLT::scalar(1));
Register CarryReg = MRI->createGenericVirtualRegister(LLT::scalar(1));
auto MIBUAddO = B.buildInstr(TargetOpcode::G_UADDE, {s8, CarryReg},
{MIBTrunc, MIBTrunc, CarryIn});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_TRUE(Helper.widenScalar(*MIBUAddO, 0, s16) ==
LegalizerHelper::LegalizeResult::Legalized);
const char *CheckStr = R"(
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC
CHECK: [[Implicit:%[0-9]+]]:_(s1) = G_IMPLICIT_DEF
CHECK: [[LHS:%[0-9]+]]:_(s16) = G_ZEXT [[Trunc]]
CHECK: [[RHS:%[0-9]+]]:_(s16) = G_ZEXT [[Trunc]]
CHECK: [[UADDE:%[0-9]+]]:_(s16), [[CARRY:%[0-9]+]]:_(s1) = G_UADDE [[LHS]]:_, [[RHS]]:_, [[Implicit]]:_
CHECK: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[UADDE]]
CHECK: [[ZEXT:%[0-9]+]]:_(s16) = G_ZEXT [[TRUNC1]]
CHECK: G_ICMP intpred(ne), [[UADDE]]:_(s16), [[ZEXT]]:_
CHECK: G_TRUNC [[UADDE]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, WidenUSUBE) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_USUBE).legalFor({{s16, s16}});
});
// Build
// Trunc it to s8.
LLT s8{LLT::scalar(8)};
LLT s16{LLT::scalar(16)};
auto MIBTrunc = B.buildTrunc(s8, Copies[0]);
auto CarryIn = B.buildUndef(LLT::scalar(1));
Register CarryReg = MRI->createGenericVirtualRegister(LLT::scalar(1));
auto MIBUSUBE = B.buildInstr(TargetOpcode::G_USUBE, {s8, CarryReg},
{MIBTrunc, MIBTrunc, CarryIn});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_TRUE(Helper.widenScalar(*MIBUSUBE, 0, s16) ==
LegalizerHelper::LegalizeResult::Legalized);
const char *CheckStr = R"(
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC
CHECK: [[Implicit:%[0-9]+]]:_(s1) = G_IMPLICIT_DEF
CHECK: [[LHS:%[0-9]+]]:_(s16) = G_ZEXT [[Trunc]]
CHECK: [[RHS:%[0-9]+]]:_(s16) = G_ZEXT [[Trunc]]
CHECK: [[USUBE:%[0-9]+]]:_(s16), [[CARRY:%[0-9]+]]:_(s1) = G_USUBE [[LHS]]:_, [[RHS]]:_, [[Implicit]]:_
CHECK: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[USUBE]]
CHECK: [[ZEXT:%[0-9]+]]:_(s16) = G_ZEXT [[TRUNC1]]
CHECK: G_ICMP intpred(ne), [[USUBE]]:_(s16), [[ZEXT]]:_
CHECK: G_TRUNC [[USUBE]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, WidenSADDE) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder({G_SADDE, G_UADDE}).legalFor({{s16, s16}});
});
// Build
// Trunc it to s8.
LLT s8{LLT::scalar(8)};
LLT s16{LLT::scalar(16)};
auto MIBTrunc = B.buildTrunc(s8, Copies[0]);
auto CarryIn = B.buildUndef(LLT::scalar(1));
Register CarryReg = MRI->createGenericVirtualRegister(LLT::scalar(1));
auto MIBUAddO = B.buildInstr(TargetOpcode::G_SADDE, {s8, CarryReg},
{MIBTrunc, MIBTrunc, CarryIn});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_TRUE(Helper.widenScalar(*MIBUAddO, 0, s16) ==
LegalizerHelper::LegalizeResult::Legalized);
const char *CheckStr = R"(
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC
CHECK: [[Implicit:%[0-9]+]]:_(s1) = G_IMPLICIT_DEF
CHECK: [[LHS:%[0-9]+]]:_(s16) = G_SEXT [[Trunc]]
CHECK: [[RHS:%[0-9]+]]:_(s16) = G_SEXT [[Trunc]]
CHECK: [[SADDE:%[0-9]+]]:_(s16), [[CARRY:%[0-9]+]]:_(s1) = G_UADDE [[LHS]]:_, [[RHS]]:_, [[Implicit]]:_
CHECK: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[SADDE]]
CHECK: [[SEXT:%[0-9]+]]:_(s16) = G_SEXT [[TRUNC1]]
CHECK: G_ICMP intpred(ne), [[SADDE]]:_(s16), [[SEXT]]:_
CHECK: G_TRUNC [[SADDE]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, WidenSSUBE) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder({G_SSUBE, G_USUBE}).legalFor({{s16, s16}});
});
// Build
// Trunc it to s8.
LLT s8{LLT::scalar(8)};
LLT s16{LLT::scalar(16)};
auto MIBTrunc = B.buildTrunc(s8, Copies[0]);
auto CarryIn = B.buildUndef(LLT::scalar(1));
Register CarryReg = MRI->createGenericVirtualRegister(LLT::scalar(1));
auto MIBSSUBE = B.buildInstr(TargetOpcode::G_SSUBE, {s8, CarryReg},
{MIBTrunc, MIBTrunc, CarryIn});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_TRUE(Helper.widenScalar(*MIBSSUBE, 0, s16) ==
LegalizerHelper::LegalizeResult::Legalized);
const char *CheckStr = R"(
CHECK: [[Trunc:%[0-9]+]]:_(s8) = G_TRUNC
CHECK: [[Implicit:%[0-9]+]]:_(s1) = G_IMPLICIT_DEF
CHECK: [[LHS:%[0-9]+]]:_(s16) = G_SEXT [[Trunc]]
CHECK: [[RHS:%[0-9]+]]:_(s16) = G_SEXT [[Trunc]]
CHECK: [[SSUBE:%[0-9]+]]:_(s16), [[CARRY:%[0-9]+]]:_(s1) = G_USUBE [[LHS]]:_, [[RHS]]:_, [[Implicit]]:_
CHECK: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[SSUBE]]
CHECK: [[SEXT:%[0-9]+]]:_(s16) = G_SEXT [[TRUNC1]]
CHECK: G_ICMP intpred(ne), [[SSUBE]]:_(s16), [[SEXT]]:_
CHECK: G_TRUNC [[SSUBE]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, NarrowUADDO) {
setUp();
if (!TM)
return;
LLT S1 = LLT::scalar(1);
LLT S32 = LLT::scalar(32);
LLT S96 = LLT::scalar(96);
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder({G_UADDO, G_UADDE})
.legalFor({{LLT::scalar(32), LLT::scalar(1)}});
});
auto Op0 = B.buildUndef(S96);
auto Op1 = B.buildUndef(S96);
auto UADDO = B.buildUAddo(S96, S1, Op0, Op1);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*UADDO, 0, S32));
const char *CheckStr = R"(
CHECK: [[IMP_DEF0:%[0-9]+]]:_(s96) = G_IMPLICIT_DEF
CHECK: [[IMP_DEF1:%[0-9]+]]:_(s96) = G_IMPLICIT_DEF
CHECK: [[OP0_0:%[0-9]+]]:_(s32), [[OP0_1:%[0-9]+]]:_(s32), [[OP0_2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[IMP_DEF0]]
CHECK: [[OP1_0:%[0-9]+]]:_(s32), [[OP1_1:%[0-9]+]]:_(s32), [[OP1_2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[IMP_DEF1]]
CHECK: [[UADDO0:%[0-9]+]]:_(s32), [[CARRY0:%[0-9]+]]:_(s1) = G_UADDO [[OP0_0]]:_, [[OP1_0]]:_
CHECK: [[UADDO1:%[0-9]+]]:_(s32), [[CARRY1:%[0-9]+]]:_(s1) = G_UADDE [[OP0_1]]:_, [[OP1_1]]:_, [[CARRY0]]:_
CHECK: [[UADDO2:%[0-9]+]]:_(s32), [[CARRY2:%[0-9]+]]:_(s1) = G_UADDE [[OP0_2]]:_, [[OP1_2]]:_, [[CARRY1]]:_
CHECK: [[UADDO:%[0-9]+]]:_(s96) = G_MERGE_VALUES [[UADDO0]]:_(s32), [[UADDO1]]:_(s32), [[UADDO2]]:_(s32)
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, NarrowUSUBO) {
setUp();
if (!TM)
return;
LLT S1 = LLT::scalar(1);
LLT S32 = LLT::scalar(32);
LLT S96 = LLT::scalar(96);
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder({G_USUBO, G_USUBE})
.legalFor({{LLT::scalar(32), LLT::scalar(1)}});
});
auto Op0 = B.buildUndef(S96);
auto Op1 = B.buildUndef(S96);
auto USUBO = B.buildUSubo(S96, S1, Op0, Op1);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*USUBO, 0, S32));
const char *CheckStr = R"(
CHECK: [[IMP_DEF0:%[0-9]+]]:_(s96) = G_IMPLICIT_DEF
CHECK: [[IMP_DEF1:%[0-9]+]]:_(s96) = G_IMPLICIT_DEF
CHECK: [[OP0_0:%[0-9]+]]:_(s32), [[OP0_1:%[0-9]+]]:_(s32), [[OP0_2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[IMP_DEF0]]
CHECK: [[OP1_0:%[0-9]+]]:_(s32), [[OP1_1:%[0-9]+]]:_(s32), [[OP1_2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[IMP_DEF1]]
CHECK: [[USUBO0:%[0-9]+]]:_(s32), [[CARRY0:%[0-9]+]]:_(s1) = G_USUBO [[OP0_0]]:_, [[OP1_0]]:_
CHECK: [[USUBO1:%[0-9]+]]:_(s32), [[CARRY1:%[0-9]+]]:_(s1) = G_USUBE [[OP0_1]]:_, [[OP1_1]]:_, [[CARRY0]]:_
CHECK: [[USUBO2:%[0-9]+]]:_(s32), [[CARRY2:%[0-9]+]]:_(s1) = G_USUBE [[OP0_2]]:_, [[OP1_2]]:_, [[CARRY1]]:_
CHECK: [[USUBO:%[0-9]+]]:_(s96) = G_MERGE_VALUES [[USUBO0]]:_(s32), [[USUBO1]]:_(s32), [[USUBO2]]:_(s32)
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, NarrowSADDO) {
setUp();
if (!TM)
return;
LLT S1 = LLT::scalar(1);
LLT S32 = LLT::scalar(32);
LLT S96 = LLT::scalar(96);
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder({G_UADDO, G_UADDE, G_SADDE})
.legalFor({{LLT::scalar(32), LLT::scalar(1)}});
});
auto Op0 = B.buildUndef(S96);
auto Op1 = B.buildUndef(S96);
auto SADDO = B.buildSAddo(S96, S1, Op0, Op1);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*SADDO, 0, S32));
const char *CheckStr = R"(
CHECK: [[IMP_DEF0:%[0-9]+]]:_(s96) = G_IMPLICIT_DEF
CHECK: [[IMP_DEF1:%[0-9]+]]:_(s96) = G_IMPLICIT_DEF
CHECK: [[OP0_0:%[0-9]+]]:_(s32), [[OP0_1:%[0-9]+]]:_(s32), [[OP0_2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[IMP_DEF0]]
CHECK: [[OP1_0:%[0-9]+]]:_(s32), [[OP1_1:%[0-9]+]]:_(s32), [[OP1_2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[IMP_DEF1]]
CHECK: [[SADDO0:%[0-9]+]]:_(s32), [[CARRY0:%[0-9]+]]:_(s1) = G_UADDO [[OP0_0]]:_, [[OP1_0]]:_
CHECK: [[SADDO1:%[0-9]+]]:_(s32), [[CARRY1:%[0-9]+]]:_(s1) = G_UADDE [[OP0_1]]:_, [[OP1_1]]:_, [[CARRY0]]:_
CHECK: [[SADDO2:%[0-9]+]]:_(s32), [[CARRY2:%[0-9]+]]:_(s1) = G_SADDE [[OP0_2]]:_, [[OP1_2]]:_, [[CARRY1]]:_
CHECK: [[SADDO:%[0-9]+]]:_(s96) = G_MERGE_VALUES [[SADDO0]]:_(s32), [[SADDO1]]:_(s32), [[SADDO2]]:_(s32)
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, NarrowSSUBO) {
setUp();
if (!TM)
return;
LLT S1 = LLT::scalar(1);
LLT S32 = LLT::scalar(32);
LLT S96 = LLT::scalar(96);
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder({G_USUBO, G_USUBE, G_SSUBE})
.legalFor({{LLT::scalar(32), LLT::scalar(1)}});
});
auto Op0 = B.buildUndef(S96);
auto Op1 = B.buildUndef(S96);
auto SSUBO = B.buildSSubo(S96, S1, Op0, Op1);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*SSUBO, 0, S32));
const char *CheckStr = R"(
CHECK: [[IMP_DEF0:%[0-9]+]]:_(s96) = G_IMPLICIT_DEF
CHECK: [[IMP_DEF1:%[0-9]+]]:_(s96) = G_IMPLICIT_DEF
CHECK: [[OP0_0:%[0-9]+]]:_(s32), [[OP0_1:%[0-9]+]]:_(s32), [[OP0_2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[IMP_DEF0]]
CHECK: [[OP1_0:%[0-9]+]]:_(s32), [[OP1_1:%[0-9]+]]:_(s32), [[OP1_2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[IMP_DEF1]]
CHECK: [[SSUBO0:%[0-9]+]]:_(s32), [[CARRY0:%[0-9]+]]:_(s1) = G_USUBO [[OP0_0]]:_, [[OP1_0]]:_
CHECK: [[SSUBO1:%[0-9]+]]:_(s32), [[CARRY1:%[0-9]+]]:_(s1) = G_USUBE [[OP0_1]]:_, [[OP1_1]]:_, [[CARRY0]]:_
CHECK: [[SSUBO2:%[0-9]+]]:_(s32), [[CARRY2:%[0-9]+]]:_(s1) = G_SSUBE [[OP0_2]]:_, [[OP1_2]]:_, [[CARRY1]]:_
CHECK: [[SSUBO:%[0-9]+]]:_(s96) = G_MERGE_VALUES [[SSUBO0]]:_(s32), [[SSUBO1]]:_(s32), [[SSUBO2]]:_(s32)
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, NarrowUADDE) {
setUp();
if (!TM)
return;
LLT S1 = LLT::scalar(1);
LLT S32 = LLT::scalar(32);
LLT S96 = LLT::scalar(96);
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_UADDE).legalFor(
{{LLT::scalar(32), LLT::scalar(1)}});
});
auto Op0 = B.buildUndef(S96);
auto Op1 = B.buildUndef(S96);
auto Op2 = B.buildUndef(S1);
auto UADDE = B.buildUAdde(S96, S1, Op0, Op1, Op2);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*UADDE, 0, S32));
const char *CheckStr = R"(
CHECK: [[IMP_DEF0:%[0-9]+]]:_(s96) = G_IMPLICIT_DEF
CHECK: [[IMP_DEF1:%[0-9]+]]:_(s96) = G_IMPLICIT_DEF
CHECK: [[IMP_DEF2:%[0-9]+]]:_(s1) = G_IMPLICIT_DEF
CHECK: [[OP0_0:%[0-9]+]]:_(s32), [[OP0_1:%[0-9]+]]:_(s32), [[OP0_2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[IMP_DEF0]]
CHECK: [[OP1_0:%[0-9]+]]:_(s32), [[OP1_1:%[0-9]+]]:_(s32), [[OP1_2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[IMP_DEF1]]
CHECK: [[UADDE0:%[0-9]+]]:_(s32), [[CARRY0:%[0-9]+]]:_(s1) = G_UADDE [[OP0_0]]:_, [[OP1_0]]:_, [[IMP_DEF2]]:_
CHECK: [[UADDE1:%[0-9]+]]:_(s32), [[CARRY1:%[0-9]+]]:_(s1) = G_UADDE [[OP0_1]]:_, [[OP1_1]]:_, [[CARRY0]]:_
CHECK: [[UADDE2:%[0-9]+]]:_(s32), [[CARRY2:%[0-9]+]]:_(s1) = G_UADDE [[OP0_2]]:_, [[OP1_2]]:_, [[CARRY1]]:_
CHECK: [[UADDE:%[0-9]+]]:_(s96) = G_MERGE_VALUES [[UADDE0]]:_(s32), [[UADDE1]]:_(s32), [[UADDE2]]:_(s32)
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, NarrowUSUBE) {
setUp();
if (!TM)
return;
LLT S1 = LLT::scalar(1);
LLT S32 = LLT::scalar(32);
LLT S96 = LLT::scalar(96);
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_USUBE).legalFor(
{{LLT::scalar(32), LLT::scalar(1)}});
});
auto Op0 = B.buildUndef(S96);
auto Op1 = B.buildUndef(S96);
auto Op2 = B.buildUndef(S1);
auto USUBE = B.buildUSube(S96, S1, Op0, Op1, Op2);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*USUBE, 0, S32));
const char *CheckStr = R"(
CHECK: [[IMP_DEF0:%[0-9]+]]:_(s96) = G_IMPLICIT_DEF
CHECK: [[IMP_DEF1:%[0-9]+]]:_(s96) = G_IMPLICIT_DEF
CHECK: [[IMP_DEF2:%[0-9]+]]:_(s1) = G_IMPLICIT_DEF
CHECK: [[OP0_0:%[0-9]+]]:_(s32), [[OP0_1:%[0-9]+]]:_(s32), [[OP0_2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[IMP_DEF0]]
CHECK: [[OP1_0:%[0-9]+]]:_(s32), [[OP1_1:%[0-9]+]]:_(s32), [[OP1_2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[IMP_DEF1]]
CHECK: [[USUBE0:%[0-9]+]]:_(s32), [[CARRY0:%[0-9]+]]:_(s1) = G_USUBE [[OP0_0]]:_, [[OP1_0]]:_, [[IMP_DEF2]]:_
CHECK: [[USUBE1:%[0-9]+]]:_(s32), [[CARRY1:%[0-9]+]]:_(s1) = G_USUBE [[OP0_1]]:_, [[OP1_1]]:_, [[CARRY0]]:_
CHECK: [[USUBE2:%[0-9]+]]:_(s32), [[CARRY2:%[0-9]+]]:_(s1) = G_USUBE [[OP0_2]]:_, [[OP1_2]]:_, [[CARRY1]]:_
CHECK: [[USUBE:%[0-9]+]]:_(s96) = G_MERGE_VALUES [[USUBE0]]:_(s32), [[USUBE1]]:_(s32), [[USUBE2]]:_(s32)
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, NarrowSADDE) {
setUp();
if (!TM)
return;
LLT S1 = LLT::scalar(1);
LLT S32 = LLT::scalar(32);
LLT S96 = LLT::scalar(96);
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder({G_SADDE, G_UADDE})
.legalFor({{LLT::scalar(32), LLT::scalar(1)}});
});
auto Op0 = B.buildUndef(S96);
auto Op1 = B.buildUndef(S96);
auto Op2 = B.buildUndef(S1);
auto SADDE = B.buildSAdde(S96, S1, Op0, Op1, Op2);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*SADDE, 0, S32));
const char *CheckStr = R"(
CHECK: [[IMP_DEF0:%[0-9]+]]:_(s96) = G_IMPLICIT_DEF
CHECK: [[IMP_DEF1:%[0-9]+]]:_(s96) = G_IMPLICIT_DEF
CHECK: [[IMP_DEF2:%[0-9]+]]:_(s1) = G_IMPLICIT_DEF
CHECK: [[OP0_0:%[0-9]+]]:_(s32), [[OP0_1:%[0-9]+]]:_(s32), [[OP0_2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[IMP_DEF0]]
CHECK: [[OP1_0:%[0-9]+]]:_(s32), [[OP1_1:%[0-9]+]]:_(s32), [[OP1_2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[IMP_DEF1]]
CHECK: [[SADDE0:%[0-9]+]]:_(s32), [[CARRY0:%[0-9]+]]:_(s1) = G_UADDE [[OP0_0]]:_, [[OP1_0]]:_, [[IMP_DEF2]]:_
CHECK: [[SADDE1:%[0-9]+]]:_(s32), [[CARRY1:%[0-9]+]]:_(s1) = G_UADDE [[OP0_1]]:_, [[OP1_1]]:_, [[CARRY0]]:_
CHECK: [[SADDE2:%[0-9]+]]:_(s32), [[CARRY2:%[0-9]+]]:_(s1) = G_SADDE [[OP0_2]]:_, [[OP1_2]]:_, [[CARRY1]]:_
CHECK: [[SADDE:%[0-9]+]]:_(s96) = G_MERGE_VALUES [[SADDE0]]:_(s32), [[SADDE1]]:_(s32), [[SADDE2]]:_(s32)
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, NarrowSSUBE) {
setUp();
if (!TM)
return;
LLT S1 = LLT::scalar(1);
LLT S32 = LLT::scalar(32);
LLT S96 = LLT::scalar(96);
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder({G_SSUBE, G_USUBE})
.legalFor({{LLT::scalar(32), LLT::scalar(1)}});
});
auto Op0 = B.buildUndef(S96);
auto Op1 = B.buildUndef(S96);
auto Op2 = B.buildUndef(S1);
auto SSUBE = B.buildSSube(S96, S1, Op0, Op1, Op2);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*SSUBE, 0, S32));
const char *CheckStr = R"(
CHECK: [[IMP_DEF0:%[0-9]+]]:_(s96) = G_IMPLICIT_DEF
CHECK: [[IMP_DEF1:%[0-9]+]]:_(s96) = G_IMPLICIT_DEF
CHECK: [[IMP_DEF2:%[0-9]+]]:_(s1) = G_IMPLICIT_DEF
CHECK: [[OP0_0:%[0-9]+]]:_(s32), [[OP0_1:%[0-9]+]]:_(s32), [[OP0_2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[IMP_DEF0]]
CHECK: [[OP1_0:%[0-9]+]]:_(s32), [[OP1_1:%[0-9]+]]:_(s32), [[OP1_2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[IMP_DEF1]]
CHECK: [[SSUBE0:%[0-9]+]]:_(s32), [[CARRY0:%[0-9]+]]:_(s1) = G_USUBE [[OP0_0]]:_, [[OP1_0]]:_, [[IMP_DEF2]]:_
CHECK: [[SSUBE1:%[0-9]+]]:_(s32), [[CARRY1:%[0-9]+]]:_(s1) = G_USUBE [[OP0_1]]:_, [[OP1_1]]:_, [[CARRY0]]:_
CHECK: [[SSUBE2:%[0-9]+]]:_(s32), [[CARRY2:%[0-9]+]]:_(s1) = G_SSUBE [[OP0_2]]:_, [[OP1_2]]:_, [[CARRY1]]:_
CHECK: [[SSUBE:%[0-9]+]]:_(s96) = G_MERGE_VALUES [[SSUBE0]]:_(s32), [[SSUBE1]]:_(s32), [[SSUBE2]]:_(s32)
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, FewerElementsAnd) {
setUp();
if (!TM)
return;
const LLT V2S32 = LLT::fixed_vector(2, 32);
const LLT V5S32 = LLT::fixed_vector(5, 32);
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_AND)
.legalFor({s32});
});
auto Op0 = B.buildUndef(V5S32);
auto Op1 = B.buildUndef(V5S32);
auto And = B.buildAnd(V5S32, Op0, Op1);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
B.setInstr(*And);
EXPECT_TRUE(Helper.fewerElementsVector(*And, 0, V2S32) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: [[IMP_DEF0:%[0-9]+]]:_(<5 x s32>) = G_IMPLICIT_DEF
CHECK: [[IMP_DEF1:%[0-9]+]]:_(<5 x s32>) = G_IMPLICIT_DEF
CHECK: [[VALUE0:%[0-9]+]]:_(s32), [[VALUE1:%[0-9]+]]:_(s32), [[VALUE2:%[0-9]+]]:_(s32), [[VALUE3:%[0-9]+]]:_(s32), [[VALUE4:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[IMP_DEF0]]:_(<5 x s32>)
CHECK: [[IMP_DEF2:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
CHECK: [[VECTOR0:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[VALUE0]]:_(s32), [[VALUE1]]:_(s32)
CHECK: [[VECTOR1:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[VALUE2]]:_(s32), [[VALUE3]]:_(s32)
CHECK: [[VECTOR2:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[VALUE4]]:_(s32), [[IMP_DEF2]]:_(s32)
CHECK: [[IMP_DEF3:%[0-9]+]]:_(<2 x s32>) = G_IMPLICIT_DEF
CHECK: [[VALUE5:%[0-9]+]]:_(s32), [[VALUE6:%[0-9]+]]:_(s32), [[VALUE7:%[0-9]+]]:_(s32), [[VALUE8:%[0-9]+]]:_(s32), [[VALUE9:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[IMP_DEF1]]:_(<5 x s32>)
CHECK: [[IMP_DEF4:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
CHECK: [[VECTOR3:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[VALUE5]]:_(s32), [[VALUE6]]:_(s32)
CHECK: [[VECTOR4:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[VALUE7]]:_(s32), [[VALUE8]]:_(s32)
CHECK: [[VECTOR5:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[VALUE9]]:_(s32), [[IMP_DEF4]]:_(s32)
CHECK: [[IMP_DEF5:%[0-9]+]]:_(<2 x s32>) = G_IMPLICIT_DEF
CHECK: [[AND0:%[0-9]+]]:_(<2 x s32>) = G_AND [[VECTOR0]]:_, [[VECTOR3]]:_
CHECK: [[AND1:%[0-9]+]]:_(<2 x s32>) = G_AND [[VECTOR1]]:_, [[VECTOR4]]:_
CHECK: [[AND2:%[0-9]+]]:_(<2 x s32>) = G_AND [[VECTOR2]]:_, [[VECTOR5]]:_
CHECK: [[IMP_DEF6:%[0-9]+]]:_(<2 x s32>) = G_IMPLICIT_DEF
CHECK: [[VECTOR6:%[0-9]+]]:_(<10 x s32>) = G_CONCAT_VECTORS [[AND0]]:_(<2 x s32>), [[AND1]]:_(<2 x s32>), [[AND2]]:_(<2 x s32>), [[IMP_DEF6]]:_(<2 x s32>), [[IMP_DEF6]]:_(<2 x s32>)
CHECK: [[VECTOR7:%[0-9]+]]:_(<10 x s32>) = G_CONCAT_VECTORS [[AND0]]:_(<2 x s32>), [[AND1]]:_(<2 x s32>), [[AND2]]:_(<2 x s32>), [[IMP_DEF6]]:_(<2 x s32>), [[IMP_DEF6]]:_(<2 x s32>)
CHECK: [[VECTOR8:%[0-9]+]]:_(<5 x s32>), [[VECTOR9:%[0-9]+]]:_(<5 x s32>) = G_UNMERGE_VALUES [[VECTOR7]]:_(<10 x s32>)
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, MoreElementsAnd) {
setUp();
if (!TM)
return;
LLT s32 = LLT::scalar(32);
LLT v2s32 = LLT::fixed_vector(2, 32);
LLT v6s32 = LLT::fixed_vector(6, 32);
LegalizerInfo LI;
LI.getActionDefinitionsBuilder(TargetOpcode::G_AND)
.legalFor({v6s32})
.clampMinNumElements(0, s32, 6);
LI.getLegacyLegalizerInfo().computeTables();
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, LI, Observer, B);
B.setInsertPt(*EntryMBB, EntryMBB->end());
auto Val0 = B.buildBitcast(v2s32, Copies[0]);
auto Val1 = B.buildBitcast(v2s32, Copies[1]);
auto And = B.buildAnd(v2s32, Val0, Val1);
B.setInstr(*And);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.moreElementsVector(*And, 0, v6s32));
auto CheckStr = R"(
CHECK: [[BITCAST0:%[0-9]+]]:_(<2 x s32>) = G_BITCAST
CHECK: [[BITCAST1:%[0-9]+]]:_(<2 x s32>) = G_BITCAST
CHECK: [[IMP_DEF0:%[0-9]+]]:_(<2 x s32>) = G_IMPLICIT_DEF
CHECK: [[CONCAT0:%[0-9]+]]:_(<6 x s32>) = G_CONCAT_VECTORS [[BITCAST0]]:_(<2 x s32>), [[IMP_DEF0]]:_(<2 x s32>), [[IMP_DEF0]]:_(<2 x s32>)
CHECK: [[IMP_DEF1:%[0-9]+]]:_(<2 x s32>) = G_IMPLICIT_DEF
CHECK: [[CONCAT1:%[0-9]+]]:_(<6 x s32>) = G_CONCAT_VECTORS [[BITCAST1]]:_(<2 x s32>), [[IMP_DEF1]]:_(<2 x s32>), [[IMP_DEF1]]:_(<2 x s32>)
CHECK: [[AND:%[0-9]+]]:_(<6 x s32>) = G_AND [[CONCAT0]]:_, [[CONCAT1]]:_
CHECK: (<2 x s32>) = G_UNMERGE_VALUES [[AND]]:_(<6 x s32>)
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, FewerElementsPhi) {
setUp();
if (!TM)
return;
LLT s1 = LLT::scalar(1);
LLT s32 = LLT::scalar(32);
LLT s64 = LLT::scalar(64);
LLT v2s32 = LLT::fixed_vector(2, 32);
LLT v5s32 = LLT::fixed_vector(5, 32);
LegalizerInfo LI;
LI.getActionDefinitionsBuilder(TargetOpcode::G_PHI)
.legalFor({v2s32})
.clampMinNumElements(0, s32, 2);
LI.getLegacyLegalizerInfo().computeTables();
LLT PhiTy = v5s32;
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, LI, Observer, B);
B.setMBB(*EntryMBB);
MachineBasicBlock *MidMBB = MF->CreateMachineBasicBlock();
MachineBasicBlock *EndMBB = MF->CreateMachineBasicBlock();
MF->insert(MF->end(), MidMBB);
MF->insert(MF->end(), EndMBB);
EntryMBB->addSuccessor(MidMBB);
EntryMBB->addSuccessor(EndMBB);
MidMBB->addSuccessor(EndMBB);
auto InitVal = B.buildUndef(PhiTy);
auto InitOtherVal = B.buildConstant(s64, 999);
auto ICmp = B.buildICmp(CmpInst::ICMP_EQ, s1, Copies[0], Copies[1]);
B.buildBrCond(ICmp.getReg(0), *MidMBB);
B.buildBr(*EndMBB);
B.setMBB(*MidMBB);
auto MidVal = B.buildUndef(PhiTy);
auto MidOtherVal = B.buildConstant(s64, 345);
B.buildBr(*EndMBB);
B.setMBB(*EndMBB);
auto Phi = B.buildInstr(TargetOpcode::G_PHI)
.addDef(MRI->createGenericVirtualRegister(PhiTy))
.addUse(InitVal.getReg(0))
.addMBB(EntryMBB)
.addUse(MidVal.getReg(0))
.addMBB(MidMBB);
// Insert another irrelevant phi to make sure the rebuild is inserted after
// it.
B.buildInstr(TargetOpcode::G_PHI)
.addDef(MRI->createGenericVirtualRegister(s64))
.addUse(InitOtherVal.getReg(0))
.addMBB(EntryMBB)
.addUse(MidOtherVal.getReg(0))
.addMBB(MidMBB);
// Add some use instruction after the phis.
B.buildAnd(PhiTy, Phi.getReg(0), Phi.getReg(0));
B.setInstr(*Phi);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.fewerElementsVector(*Phi, 0, v2s32));
auto CheckStr = R"(
CHECK: [[INITVAL:%[0-9]+]]:_(<5 x s32>) = G_IMPLICIT_DEF
CHECK: [[EXTRACT0:%[0-9]+]]:_(<2 x s32>) = G_EXTRACT [[INITVAL]]:_(<5 x s32>), 0
CHECK: [[EXTRACT1:%[0-9]+]]:_(<2 x s32>) = G_EXTRACT [[INITVAL]]:_(<5 x s32>), 64
CHECK: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[INITVAL]]:_(<5 x s32>), 128
CHECK: G_BRCOND
CHECK: [[MIDVAL:%[0-9]+]]:_(<5 x s32>) = G_IMPLICIT_DEF
CHECK: [[EXTRACT3:%[0-9]+]]:_(<2 x s32>) = G_EXTRACT [[MIDVAL]]:_(<5 x s32>), 0
CHECK: [[EXTRACT4:%[0-9]+]]:_(<2 x s32>) = G_EXTRACT [[MIDVAL]]:_(<5 x s32>), 64
CHECK: [[EXTRACT5:%[0-9]+]]:_(s32) = G_EXTRACT [[MIDVAL]]:_(<5 x s32>), 128
CHECK: G_BR
CHECK: [[PHI0:%[0-9]+]]:_(<2 x s32>) = G_PHI [[EXTRACT0]]:_(<2 x s32>), %bb.0, [[EXTRACT3]]:_(<2 x s32>), %bb.1
CHECK: [[PHI1:%[0-9]+]]:_(<2 x s32>) = G_PHI [[EXTRACT1]]:_(<2 x s32>), %bb.0, [[EXTRACT4]]:_(<2 x s32>), %bb.1
CHECK: [[PHI2:%[0-9]+]]:_(s32) = G_PHI [[EXTRACT2]]:_(s32), %bb.0, [[EXTRACT5]]:_(s32), %bb.1
CHECK: [[OTHER_PHI:%[0-9]+]]:_(s64) = G_PHI
CHECK: [[UNMERGE0:%[0-9]+]]:_(s32), [[UNMERGE1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[PHI0]]:_(<2 x s32>)
CHECK: [[UNMERGE2:%[0-9]+]]:_(s32), [[UNMERGE3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[PHI1]]:_(<2 x s32>)
CHECK: [[BV:%[0-9]+]]:_(<5 x s32>) = G_BUILD_VECTOR [[UNMERGE0]]:_(s32), [[UNMERGE1]]:_(s32), [[UNMERGE2]]:_(s32), [[UNMERGE3]]:_(s32), [[PHI2]]:_(s32)
CHECK: [[USE_OP:%[0-9]+]]:_(<5 x s32>) = G_AND [[BV]]:_, [[BV]]:_
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// FNEG expansion in terms of XOR
TEST_F(AArch64GISelMITest, LowerFNEG) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FSUB).legalFor({s64});
});
// Build Instr. Make sure FMF are preserved.
auto FAdd =
B.buildInstr(TargetOpcode::G_FADD, {LLT::scalar(64)}, {Copies[0], Copies[1]},
MachineInstr::MIFlag::FmNsz);
// Should not propagate the flags of src instruction.
auto FNeg0 =
B.buildInstr(TargetOpcode::G_FNEG, {LLT::scalar(64)}, {FAdd.getReg(0)},
{MachineInstr::MIFlag::FmArcp});
// Preserve the one flag.
auto FNeg1 =
B.buildInstr(TargetOpcode::G_FNEG, {LLT::scalar(64)}, {Copies[0]},
MachineInstr::MIFlag::FmNoInfs);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
B.setInstr(*FNeg0);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*FNeg0, 0, LLT::scalar(64)));
B.setInstr(*FNeg1);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*FNeg1, 0, LLT::scalar(64)));
auto CheckStr = R"(
CHECK: [[FADD:%[0-9]+]]:_(s64) = nsz G_FADD %0:_, %1:_
CHECK: [[CONST0:%[0-9]+]]:_(s64) = G_CONSTANT i64 -9223372036854775808
CHECK: [[FSUB0:%[0-9]+]]:_(s64) = G_XOR [[FADD]]:_, [[CONST0]]:_
CHECK: [[CONST1:%[0-9]+]]:_(s64) = G_CONSTANT i64 -9223372036854775808
CHECK: [[FSUB1:%[0-9]+]]:_(s64) = G_XOR %0:_, [[CONST1]]:_
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LowerMinMax) {
setUp();
if (!TM)
return;
LLT s64 = LLT::scalar(64);
LLT v2s32 = LLT::fixed_vector(2, 32);
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder({G_SMIN, G_SMAX, G_UMIN, G_UMAX})
.lowerFor({s64, LLT::fixed_vector(2, s32)});
});
auto SMin = B.buildSMin(s64, Copies[0], Copies[1]);
auto SMax = B.buildSMax(s64, Copies[0], Copies[1]);
auto UMin = B.buildUMin(s64, Copies[0], Copies[1]);
auto UMax = B.buildUMax(s64, Copies[0], Copies[1]);
auto VecVal0 = B.buildBitcast(v2s32, Copies[0]);
auto VecVal1 = B.buildBitcast(v2s32, Copies[1]);
auto SMinV = B.buildSMin(v2s32, VecVal0, VecVal1);
auto SMaxV = B.buildSMax(v2s32, VecVal0, VecVal1);
auto UMinV = B.buildUMin(v2s32, VecVal0, VecVal1);
auto UMaxV = B.buildUMax(v2s32, VecVal0, VecVal1);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
B.setInstr(*SMin);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*SMin, 0, s64));
B.setInstr(*SMax);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*SMax, 0, s64));
B.setInstr(*UMin);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*UMin, 0, s64));
B.setInstr(*UMax);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*UMax, 0, s64));
B.setInstr(*SMinV);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*SMinV, 0, v2s32));
B.setInstr(*SMaxV);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*SMaxV, 0, v2s32));
B.setInstr(*UMinV);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*UMinV, 0, v2s32));
B.setInstr(*UMaxV);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*UMaxV, 0, v2s32));
auto CheckStr = R"(
CHECK: [[CMP0:%[0-9]+]]:_(s1) = G_ICMP intpred(slt), %0:_(s64), %1:_
CHECK: [[SMIN:%[0-9]+]]:_(s64) = G_SELECT [[CMP0]]:_(s1), %0:_, %1:_
CHECK: [[CMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(sgt), %0:_(s64), %1:_
CHECK: [[SMAX:%[0-9]+]]:_(s64) = G_SELECT [[CMP1]]:_(s1), %0:_, %1:_
CHECK: [[CMP2:%[0-9]+]]:_(s1) = G_ICMP intpred(ult), %0:_(s64), %1:_
CHECK: [[UMIN:%[0-9]+]]:_(s64) = G_SELECT [[CMP2]]:_(s1), %0:_, %1:_
CHECK: [[CMP3:%[0-9]+]]:_(s1) = G_ICMP intpred(ugt), %0:_(s64), %1:_
CHECK: [[UMAX:%[0-9]+]]:_(s64) = G_SELECT [[CMP3]]:_(s1), %0:_, %1:_
CHECK: [[VEC0:%[0-9]+]]:_(<2 x s32>) = G_BITCAST %0:_(s64)
CHECK: [[VEC1:%[0-9]+]]:_(<2 x s32>) = G_BITCAST %1:_(s64)
CHECK: [[VCMP0:%[0-9]+]]:_(<2 x s1>) = G_ICMP intpred(slt), [[VEC0]]:_(<2 x s32>), [[VEC1]]:_
CHECK: [[SMINV:%[0-9]+]]:_(<2 x s32>) = G_SELECT [[VCMP0]]:_(<2 x s1>), [[VEC0]]:_, [[VEC1]]:_
CHECK: [[VCMP1:%[0-9]+]]:_(<2 x s1>) = G_ICMP intpred(sgt), [[VEC0]]:_(<2 x s32>), [[VEC1]]:_
CHECK: [[SMAXV:%[0-9]+]]:_(<2 x s32>) = G_SELECT [[VCMP1]]:_(<2 x s1>), [[VEC0]]:_, [[VEC1]]:_
CHECK: [[VCMP2:%[0-9]+]]:_(<2 x s1>) = G_ICMP intpred(ult), [[VEC0]]:_(<2 x s32>), [[VEC1]]:_
CHECK: [[UMINV:%[0-9]+]]:_(<2 x s32>) = G_SELECT [[VCMP2]]:_(<2 x s1>), [[VEC0]]:_, [[VEC1]]:_
CHECK: [[VCMP3:%[0-9]+]]:_(<2 x s1>) = G_ICMP intpred(ugt), [[VEC0]]:_(<2 x s32>), [[VEC1]]:_
CHECK: [[UMAXV:%[0-9]+]]:_(<2 x s32>) = G_SELECT [[VCMP3]]:_(<2 x s1>), [[VEC0]]:_, [[VEC1]]:_
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, WidenScalarBuildVector) {
setUp();
if (!TM)
return;
LLT S32 = LLT::scalar(32);
LLT S16 = LLT::scalar(16);
LLT V2S16 = LLT::fixed_vector(2, S16);
LLT V2S32 = LLT::fixed_vector(2, S32);
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder({G_SMIN, G_SMAX, G_UMIN, G_UMAX})
.lowerFor({s64, LLT::fixed_vector(2, s32)});
});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
B.setInsertPt(*EntryMBB, EntryMBB->end());
Register Constant0 = B.buildConstant(S16, 1).getReg(0);
Register Constant1 = B.buildConstant(S16, 2).getReg(0);
auto BV0 = B.buildBuildVector(V2S16, {Constant0, Constant1});
auto BV1 = B.buildBuildVector(V2S16, {Constant0, Constant1});
B.setInstr(*BV0);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.widenScalar(*BV0, 0, V2S32));
B.setInstr(*BV1);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.widenScalar(*BV1, 1, S32));
auto CheckStr = R"(
CHECK: [[K0:%[0-9]+]]:_(s16) = G_CONSTANT i16 1
CHECK-NEXT: [[K1:%[0-9]+]]:_(s16) = G_CONSTANT i16 2
CHECK-NEXT: [[EXT_K0_0:%[0-9]+]]:_(s32) = G_ANYEXT [[K0]]
CHECK-NEXT: [[EXT_K1_0:%[0-9]+]]:_(s32) = G_ANYEXT [[K1]]
CHECK-NEXT: [[BV0:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[EXT_K0_0]]:_(s32), [[EXT_K1_0]]:_(s32)
CHECK-NEXT: [[BV0_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_TRUNC [[BV0]]
CHECK: [[EXT_K0_1:%[0-9]+]]:_(s32) = G_ANYEXT [[K0]]
CHECK-NEXT: [[EXT_K1_1:%[0-9]+]]:_(s32) = G_ANYEXT [[K1]]
CHECK-NEXT: [[BV1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[EXT_K0_1]]:_(s32), [[EXT_K1_1]]:_(s32)
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LowerMergeValues) {
setUp();
if (!TM)
return;
const LLT S32 = LLT::scalar(32);
const LLT S24 = LLT::scalar(24);
const LLT S21 = LLT::scalar(21);
const LLT S16 = LLT::scalar(16);
const LLT S9 = LLT::scalar(9);
const LLT S8 = LLT::scalar(8);
const LLT S3 = LLT::scalar(3);
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_UNMERGE_VALUES)
.widenScalarIf(typeIs(1, LLT::scalar(3)), changeTo(1, LLT::scalar(9)));
});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
B.setInsertPt(*EntryMBB, EntryMBB->end());
// 24 = 3 3 3 3 3 3 3 3
// => 9
//
// This can do 3 merges, but need an extra implicit_def.
SmallVector<Register, 8> Merge0Ops;
for (int I = 0; I != 8; ++I)
Merge0Ops.push_back(B.buildConstant(S3, I).getReg(0));
auto Merge0 = B.buildMerge(S24, Merge0Ops);
// 21 = 3 3 3 3 3 3 3
// => 9, 2 extra implicit_def needed
//
SmallVector<Register, 8> Merge1Ops;
for (int I = 0; I != 7; ++I)
Merge1Ops.push_back(B.buildConstant(S3, I).getReg(0));
auto Merge1 = B.buildMerge(S21, Merge1Ops);
SmallVector<Register, 8> Merge2Ops;
for (int I = 0; I != 2; ++I)
Merge2Ops.push_back(B.buildConstant(S8, I).getReg(0));
auto Merge2 = B.buildMerge(S16, Merge2Ops);
B.setInstr(*Merge0);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.widenScalar(*Merge0, 1, S9));
B.setInstr(*Merge1);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.widenScalar(*Merge1, 1, S9));
// Request a source size greater than the original destination size.
B.setInstr(*Merge2);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.widenScalar(*Merge2, 1, S32));
auto CheckStr = R"(
CHECK: [[K0:%[0-9]+]]:_(s3) = G_CONSTANT i3 0
CHECK-NEXT: [[K1:%[0-9]+]]:_(s3) = G_CONSTANT i3 1
CHECK-NEXT: [[K2:%[0-9]+]]:_(s3) = G_CONSTANT i3 2
CHECK-NEXT: [[K3:%[0-9]+]]:_(s3) = G_CONSTANT i3 3
CHECK-NEXT: [[K4:%[0-9]+]]:_(s3) = G_CONSTANT i3 -4
CHECK-NEXT: [[K5:%[0-9]+]]:_(s3) = G_CONSTANT i3 -3
CHECK-NEXT: [[K6:%[0-9]+]]:_(s3) = G_CONSTANT i3 -2
CHECK-NEXT: [[K7:%[0-9]+]]:_(s3) = G_CONSTANT i3 -1
CHECK-NEXT: [[IMPDEF0:%[0-9]+]]:_(s3) = G_IMPLICIT_DEF
CHECK-NEXT: [[MERGE0:%[0-9]+]]:_(s9) = G_MERGE_VALUES [[K0]]:_(s3), [[K1]]:_(s3), [[K2]]:_(s3)
CHECK-NEXT: [[MERGE1:%[0-9]+]]:_(s9) = G_MERGE_VALUES [[K3]]:_(s3), [[K4]]:_(s3), [[K5]]:_(s3)
CHECK-NEXT: [[MERGE2:%[0-9]+]]:_(s9) = G_MERGE_VALUES [[K6]]:_(s3), [[K7]]:_(s3), [[IMPDEF0]]:_(s3)
CHECK-NEXT: [[MERGE3:%[0-9]+]]:_(s27) = G_MERGE_VALUES [[MERGE0]]:_(s9), [[MERGE1]]:_(s9), [[MERGE2]]:_(s9)
CHECK-NEXT: (s24) = G_TRUNC [[MERGE3]]:_(s27)
CHECK: [[K8:%[0-9]+]]:_(s3) = G_CONSTANT i3 0
CHECK-NEXT: [[K9:%[0-9]+]]:_(s3) = G_CONSTANT i3 1
CHECK-NEXT: [[K10:%[0-9]+]]:_(s3) = G_CONSTANT i3 2
CHECK-NEXT: [[K11:%[0-9]+]]:_(s3) = G_CONSTANT i3 3
CHECK-NEXT: [[K12:%[0-9]+]]:_(s3) = G_CONSTANT i3 -4
CHECK-NEXT: [[K13:%[0-9]+]]:_(s3) = G_CONSTANT i3 -3
CHECK-NEXT: [[K14:%[0-9]+]]:_(s3) = G_CONSTANT i3 -2
CHECK-NEXT: [[IMPDEF1:%[0-9]+]]:_(s3) = G_IMPLICIT_DEF
CHECK-NEXT: [[MERGE4:%[0-9]+]]:_(s9) = G_MERGE_VALUES [[K8]]:_(s3), [[K9]]:_(s3), [[K10]]:_(s3)
CHECK-NEXT: [[MERGE5:%[0-9]+]]:_(s9) = G_MERGE_VALUES [[K11]]:_(s3), [[K12]]:_(s3), [[K13]]:_(s3)
CHECK-NEXT: [[MERGE6:%[0-9]+]]:_(s9) = G_MERGE_VALUES [[K14]]:_(s3), [[IMPDEF1]]:_(s3), [[IMPDEF1]]:_(s3)
CHECK-NEXT: [[MERGE7:%[0-9]+]]:_(s27) = G_MERGE_VALUES [[MERGE4]]:_(s9), [[MERGE5]]:_(s9), [[MERGE6]]:_(s9)
CHECK-NEXT: (s21) = G_TRUNC [[MERGE7]]:_(s27)
CHECK: [[K15:%[0-9]+]]:_(s8) = G_CONSTANT i8 0
CHECK-NEXT: [[K16:%[0-9]+]]:_(s8) = G_CONSTANT i8 1
CHECK-NEXT: [[ZEXT_K15:[0-9]+]]:_(s32) = G_ZEXT [[K15]]:_(s8)
CHECK-NEXT: [[ZEXT_K16:[0-9]+]]:_(s32) = G_ZEXT [[K16]]:_(s8)
[[K16:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
[[SHL:%[0-9]+]]:_(s32) = G_SHL [[ZEXT_K16]]:_, [[K16]]:_(s32)
[[OR:%[0-9]+]]:_(s32) = G_OR [[ZEXT_K16]]:_, [[SHL]]:_
(s16) = G_TRUNC [[OR]]:_(s32)
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, WidenScalarMergeValuesPointer) {
setUp();
if (!TM)
return;
DefineLegalizerInfo(A, {});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
B.setInsertPt(*EntryMBB, EntryMBB->end());
const LLT S32 = LLT::scalar(32);
const LLT S64 = LLT::scalar(64);
const LLT P0 = LLT::pointer(0, 64);
auto Lo = B.buildTrunc(S32, Copies[0]);
auto Hi = B.buildTrunc(S32, Copies[1]);
auto Merge = B.buildMerge(P0, {Lo, Hi});
B.setInstr(*Merge);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.widenScalar(*Merge, 1, S64));
auto CheckStr = R"(
CHECK: [[TRUNC0:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ZEXT_TRUNC0:%[0-9]+]]:_(s64) = G_ZEXT [[TRUNC0]]
CHECK: [[ZEXT_TRUNC1:%[0-9]+]]:_(s64) = G_ZEXT [[TRUNC1]]
CHECK: [[SHIFT_AMT:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
CHECK: [[SHL:%[0-9]+]]:_(s64) = G_SHL [[ZEXT_TRUNC1]]:_, [[SHIFT_AMT]]
CHECK: [[OR:%[0-9]+]]:_(s64) = G_OR [[ZEXT_TRUNC0]]:_, [[SHL]]
CHECK: [[INTTOPTR:%[0-9]+]]:_(p0) = G_INTTOPTR [[OR]]:_(s64)
)";
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, WidenSEXTINREG) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_SEXT_INREG).legalForTypeWithAnyImm({s64});
});
// Build Instr
auto MIB = B.buildInstr(
TargetOpcode::G_SEXT_INREG, {LLT::scalar(32)},
{B.buildInstr(TargetOpcode::G_TRUNC, {LLT::scalar(32)}, {Copies[0]}),
uint64_t(8)});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
B.setInstr(*MIB);
ASSERT_TRUE(Helper.widenScalar(*MIB, 0, LLT::scalar(64)) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: [[T0:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[T1:%[0-9]+]]:_(s64) = G_ANYEXT [[T0]]:_(s32)
CHECK: [[T2:%[0-9]+]]:_(s64) = G_SEXT_INREG [[T1]]:_, 8
CHECK: [[T3:%[0-9]+]]:_(s32) = G_TRUNC [[T2]]:_(s64)
)";
// Check
ASSERT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, NarrowSEXTINREG) {
setUp();
if (!TM)
return;
// Declare your legalization info, these aren't actually relevant to the test.
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_SEXT_INREG).legalForTypeWithAnyImm({s64});
});
// Build Instr
auto MIB = B.buildInstr(
TargetOpcode::G_SEXT_INREG, {LLT::scalar(16)},
{B.buildInstr(TargetOpcode::G_TRUNC, {LLT::scalar(16)}, {Copies[0]}),
uint64_t(8)});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
B.setInstr(*MIB);
ASSERT_TRUE(Helper.narrowScalar(*MIB, 0, LLT::scalar(10)) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: [[T0:%[0-9]+]]:_(s16) = G_TRUNC
CHECK: [[T1:%[0-9]+]]:_(s10) = G_TRUNC [[T0]]:_(s16)
CHECK: [[T2:%[0-9]+]]:_(s10) = G_SEXT_INREG [[T1]]:_, 8
CHECK: [[T3:%[0-9]+]]:_(s16) = G_SEXT [[T2]]:_(s10)
)";
// Check
ASSERT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, NarrowSEXTINREG2) {
setUp();
if (!TM)
return;
// Declare your legalization info, these aren't actually relevant to the test.
DefineLegalizerInfo(
A, { getActionDefinitionsBuilder(G_SEXT_INREG).legalForTypeWithAnyImm({s64}); });
// Build Instr
auto MIB = B.buildInstr(
TargetOpcode::G_SEXT_INREG, {LLT::scalar(32)},
{B.buildInstr(TargetOpcode::G_TRUNC, {LLT::scalar(32)}, {Copies[0]}),
uint64_t(9)});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
B.setInstr(*MIB);
ASSERT_TRUE(Helper.narrowScalar(*MIB, 0, LLT::scalar(8)) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: [[T0:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[T1:%[0-9]+]]:_(s8), [[T2:%[0-9]+]]:_(s8), [[T3:%[0-9]+]]:_(s8), [[T4:%[0-9]+]]:_(s8) = G_UNMERGE_VALUES [[T0]]:_(s32)
CHECK: [[CST2:%[0-9]+]]:_(s8) = G_CONSTANT i8 7
CHECK: [[T5:%[0-9]+]]:_(s8) = G_SEXT_INREG [[T2]]:_, 1
CHECK: [[T6:%[0-9]+]]:_(s8) = G_ASHR [[T5]]:_, [[CST2]]:_
CHECK: [[T7:%[0-9]+]]:_(s32) = G_MERGE_VALUES [[T1]]:_(s8), [[T5]]:_(s8), [[T6]]:_(s8), [[T6]]:_(s8)
)";
// Check
ASSERT_TRUE(CheckMachineFunction(*MF, CheckStr));
}
TEST_F(AArch64GISelMITest, LowerSEXTINREG) {
setUp();
if (!TM)
return;
// Declare your legalization info, these aren't actually relevant to the test.
DefineLegalizerInfo(
A, { getActionDefinitionsBuilder(G_SEXT_INREG).legalForTypeWithAnyImm({s64}); });
// Build Instr
auto MIB = B.buildInstr(
TargetOpcode::G_SEXT_INREG, {LLT::scalar(32)},
{B.buildInstr(TargetOpcode::G_TRUNC, {LLT::scalar(32)}, {Copies[0]}),
uint64_t(8)});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
B.setInstr(*MIB);
ASSERT_TRUE(Helper.lower(*MIB, 0, LLT()) ==
LegalizerHelper::LegalizeResult::Legalized);
auto CheckStr = R"(
CHECK: [[T1:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[CST:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
CHECK: [[T2:%[0-9]+]]:_(s32) = G_SHL [[T1]]:_, [[CST]]:_
CHECK: [[T3:%[0-9]+]]:_(s32) = G_ASHR [[T2]]:_, [[CST]]:_
)";
// Check
ASSERT_TRUE(CheckMachineFunction(*MF, CheckStr));
}
TEST_F(AArch64GISelMITest, LibcallFPExt) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FPEXT).libcallFor({{s32, s16}, {s128, s64}});
});
LLT S16{LLT::scalar(16)};
LLT S32{LLT::scalar(32)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S16, Copies[0]);
auto MIBFPExt1 =
B.buildInstr(TargetOpcode::G_FPEXT, {S32}, {MIBTrunc});
auto MIBFPExt2 =
B.buildInstr(TargetOpcode::G_FPEXT, {S128}, {Copies[1]});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
LostDebugLocObserver DummyLocObserver("");
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBFPExt1, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBFPExt2, DummyLocObserver));
auto CheckStr = R"(
CHECK: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC
CHECK: $h0 = COPY [[TRUNC]]
CHECK: BL &__gnu_h2f_ieee
CHECK: $d0 = COPY
CHECK: BL &__extenddftf2
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallFPTrunc) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FPTRUNC).libcallFor({{s16, s32}, {s64, s128}});
});
LLT S16{LLT::scalar(16)};
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBFPTrunc1 =
B.buildInstr(TargetOpcode::G_FPTRUNC, {S16}, {MIBTrunc});
auto MIBMerge = B.buildMerge(S128, {Copies[1], Copies[2]});
auto MIBFPTrunc2 =
B.buildInstr(TargetOpcode::G_FPTRUNC, {S64}, {MIBMerge});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LostDebugLocObserver DummyLocObserver("");
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBFPTrunc1, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBFPTrunc2, DummyLocObserver));
auto CheckStr = R"(
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: $s0 = COPY [[TRUNC]]
CHECK: BL &__gnu_f2h_ieee
CHECK: $q0 = COPY
CHECK: BL &__trunctfdf2
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallSimple) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FADD).libcallFor({s16});
});
LLT S16{LLT::scalar(16)};
auto MIBTrunc = B.buildTrunc(S16, Copies[0]);
auto MIBFADD =
B.buildInstr(TargetOpcode::G_FADD, {S16}, {MIBTrunc, MIBTrunc});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LostDebugLocObserver DummyLocObserver("");
LegalizerHelper Helper(*MF, Info, Observer, B);
// Make sure we do not crash anymore
EXPECT_EQ(LegalizerHelper::LegalizeResult::UnableToLegalize,
Helper.libcall(*MIBFADD, DummyLocObserver));
}
TEST_F(AArch64GISelMITest, LibcallSRem) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_SREM).libcallFor({s32, s64, s128});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBSRem32 =
B.buildInstr(TargetOpcode::G_SREM, {S32}, {MIBTrunc, MIBTrunc});
auto MIBSRem64 =
B.buildInstr(TargetOpcode::G_SREM, {S64}, {Copies[0], Copies[0]});
auto MIBSRem128 =
B.buildInstr(TargetOpcode::G_SREM, {S128}, {MIBExt, MIBExt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LostDebugLocObserver DummyLocObserver("");
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBSRem32, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBSRem64, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBSRem128, DummyLocObserver));
auto CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $w0 = COPY [[TRUNC]]
CHECK: $w1 = COPY [[TRUNC]]
CHECK: BL &__modsi3
CHECK: $x0 = COPY [[COPY]]
CHECK: $x1 = COPY [[COPY]]
CHECK: BL &__moddi3
CHECK: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[ANYEXT]]
CHECK: $x0 = COPY [[UV]]
CHECK: $x1 = COPY [[UV1]]
CHECK: [[UV2:%[0-9]+]]:_(s64), [[UV3:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[ANYEXT]]
CHECK: $x2 = COPY [[UV2]]
CHECK: $x3 = COPY [[UV3]]
CHECK: BL &__modti3
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallURem) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_UREM).libcallFor({s32, s64, s128});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBURem32 =
B.buildInstr(TargetOpcode::G_UREM, {S32}, {MIBTrunc, MIBTrunc});
auto MIBURem64 =
B.buildInstr(TargetOpcode::G_UREM, {S64}, {Copies[0], Copies[0]});
auto MIBURem128 =
B.buildInstr(TargetOpcode::G_UREM, {S128}, {MIBExt, MIBExt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LostDebugLocObserver DummyLocObserver("");
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBURem32, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBURem64, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBURem128, DummyLocObserver));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $w0 = COPY [[TRUNC]]
CHECK: $w1 = COPY [[TRUNC]]
CHECK: BL &__umodsi3
CHECK: $x0 = COPY [[COPY]]
CHECK: $x1 = COPY [[COPY]]
CHECK: BL &__umoddi3
CHECK: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[ANYEXT]]
CHECK: $x0 = COPY [[UV]]
CHECK: $x1 = COPY [[UV1]]
CHECK: [[UV2:%[0-9]+]]:_(s64), [[UV3:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[ANYEXT]]
CHECK: $x2 = COPY [[UV2]]
CHECK: $x3 = COPY [[UV3]]
CHECK: BL &__umodti3
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallCtlzZeroUndef) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_CTLZ_ZERO_UNDEF)
.libcallFor({{s32, s32}, {s64, s64}, {s128, s128}});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBCtlz32 =
B.buildInstr(TargetOpcode::G_CTLZ_ZERO_UNDEF, {S32}, {MIBTrunc});
auto MIBCtlz64 =
B.buildInstr(TargetOpcode::G_CTLZ_ZERO_UNDEF, {S64}, {Copies[0]});
auto MIBCtlz128 =
B.buildInstr(TargetOpcode::G_CTLZ_ZERO_UNDEF, {S128}, {MIBExt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LostDebugLocObserver DummyLocObserver("");
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBCtlz32, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBCtlz64, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBCtlz128, DummyLocObserver));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $w0 = COPY [[TRUNC]]
CHECK: BL &__clzsi2
CHECK: $x0 = COPY [[COPY]]
CHECK: BL &__clzdi2
CHECK: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[ANYEXT]]
CHECK: $x0 = COPY [[UV]]
CHECK: $x1 = COPY [[UV1]]
CHECK: BL &__clzti2
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallFAdd) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FADD).libcallFor({s32, s64, s128});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBAdd32 =
B.buildInstr(TargetOpcode::G_FADD, {S32}, {MIBTrunc, MIBTrunc});
auto MIBAdd64 =
B.buildInstr(TargetOpcode::G_FADD, {S64}, {Copies[0], Copies[0]});
auto MIBAdd128 = B.buildInstr(TargetOpcode::G_FADD, {S128}, {MIBExt, MIBExt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LostDebugLocObserver DummyLocObserver("");
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBAdd32, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBAdd64, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBAdd128, DummyLocObserver));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $s0 = COPY [[TRUNC]]
CHECK: $s1 = COPY [[TRUNC]]
CHECK: BL &__addsf3
CHECK: $d0 = COPY [[COPY]]
CHECK: $d1 = COPY [[COPY]]
CHECK: BL &__adddf3
CHECK: $q0 = COPY [[ANYEXT]]
CHECK: $q1 = COPY [[ANYEXT]]
CHECK: BL &__addtf3
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallFSub) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FSUB).libcallFor({s32, s64, s128});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBSub32 =
B.buildInstr(TargetOpcode::G_FSUB, {S32}, {MIBTrunc, MIBTrunc});
auto MIBSub64 =
B.buildInstr(TargetOpcode::G_FSUB, {S64}, {Copies[0], Copies[0]});
auto MIBSub128 = B.buildInstr(TargetOpcode::G_FSUB, {S128}, {MIBExt, MIBExt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LostDebugLocObserver DummyLocObserver("");
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBSub32, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBSub64, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBSub128, DummyLocObserver));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $s0 = COPY [[TRUNC]]
CHECK: $s1 = COPY [[TRUNC]]
CHECK: BL &__subsf3
CHECK: $d0 = COPY [[COPY]]
CHECK: $d1 = COPY [[COPY]]
CHECK: BL &__subdf3
CHECK: $q0 = COPY [[ANYEXT]]
CHECK: $q1 = COPY [[ANYEXT]]
CHECK: BL &__subtf3
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallFMul) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FMUL).libcallFor({s32, s64, s128});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBMul32 =
B.buildInstr(TargetOpcode::G_FMUL, {S32}, {MIBTrunc, MIBTrunc});
auto MIBMul64 =
B.buildInstr(TargetOpcode::G_FMUL, {S64}, {Copies[0], Copies[0]});
auto MIBMul128 = B.buildInstr(TargetOpcode::G_FMUL, {S128}, {MIBExt, MIBExt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
LostDebugLocObserver DummyLocObserver("");
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBMul32, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBMul64, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBMul128, DummyLocObserver));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $s0 = COPY [[TRUNC]]
CHECK: $s1 = COPY [[TRUNC]]
CHECK: BL &__mulsf3
CHECK: $d0 = COPY [[COPY]]
CHECK: $d1 = COPY [[COPY]]
CHECK: BL &__muldf3
CHECK: $q0 = COPY [[ANYEXT]]
CHECK: $q1 = COPY [[ANYEXT]]
CHECK: BL &__multf3
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallFDiv) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FDIV).libcallFor({s32, s64, s128});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBDiv32 =
B.buildInstr(TargetOpcode::G_FDIV, {S32}, {MIBTrunc, MIBTrunc});
auto MIBDiv64 =
B.buildInstr(TargetOpcode::G_FDIV, {S64}, {Copies[0], Copies[0]});
auto MIBDiv128 = B.buildInstr(TargetOpcode::G_FDIV, {S128}, {MIBExt, MIBExt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LostDebugLocObserver DummyLocObserver("");
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBDiv32, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBDiv64, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBDiv128, DummyLocObserver));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $s0 = COPY [[TRUNC]]
CHECK: $s1 = COPY [[TRUNC]]
CHECK: BL &__divsf3
CHECK: $d0 = COPY [[COPY]]
CHECK: $d1 = COPY [[COPY]]
CHECK: BL &__divdf3
CHECK: $q0 = COPY [[ANYEXT]]
CHECK: $q1 = COPY [[ANYEXT]]
CHECK: BL &__divtf3
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallFExp) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FEXP).libcallFor({s32, s64, s128});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBExp32 = B.buildInstr(TargetOpcode::G_FEXP, {S32}, {MIBTrunc});
auto MIBExp64 = B.buildInstr(TargetOpcode::G_FEXP, {S64}, {Copies[0]});
auto MIBExp128 = B.buildInstr(TargetOpcode::G_FEXP, {S128}, {MIBExt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LostDebugLocObserver DummyLocObserver("");
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBExp32, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBExp64, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBExp128, DummyLocObserver));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $s0 = COPY [[TRUNC]]
CHECK: BL &expf
CHECK: $d0 = COPY [[COPY]]
CHECK: BL &exp
CHECK: $q0 = COPY [[ANYEXT]]
CHECK: BL &expl
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallFExp2) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FEXP2).libcallFor({s32, s64, s128});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBExp232 = B.buildInstr(TargetOpcode::G_FEXP2, {S32}, {MIBTrunc});
auto MIBExp264 = B.buildInstr(TargetOpcode::G_FEXP2, {S64}, {Copies[0]});
auto MIBExp2128 = B.buildInstr(TargetOpcode::G_FEXP2, {S128}, {MIBExt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LostDebugLocObserver DummyLocObserver("");
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBExp232, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBExp264, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBExp2128, DummyLocObserver));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $s0 = COPY [[TRUNC]]
CHECK: BL &exp2f
CHECK: $d0 = COPY [[COPY]]
CHECK: BL &exp2
CHECK: $q0 = COPY [[ANYEXT]]
CHECK: BL &exp2l
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallFRem) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FREM).libcallFor({s32, s64, s128});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBFRem32 = B.buildInstr(TargetOpcode::G_FREM, {S32}, {MIBTrunc});
auto MIBFRem64 = B.buildInstr(TargetOpcode::G_FREM, {S64}, {Copies[0]});
auto MIBFRem128 = B.buildInstr(TargetOpcode::G_FREM, {S128}, {MIBExt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LostDebugLocObserver DummyLocObserver("");
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBFRem32, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBFRem64, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBFRem128, DummyLocObserver));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $s0 = COPY [[TRUNC]]
CHECK: BL &fmodf
CHECK: $d0 = COPY [[COPY]]
CHECK: BL &fmod
CHECK: $q0 = COPY [[ANYEXT]]
CHECK: BL &fmodl
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallFPow) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FPOW).libcallFor({s32, s64, s128});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBPow32 = B.buildInstr(TargetOpcode::G_FPOW, {S32}, {MIBTrunc});
auto MIBPow64 = B.buildInstr(TargetOpcode::G_FPOW, {S64}, {Copies[0]});
auto MIBPow128 = B.buildInstr(TargetOpcode::G_FPOW, {S128}, {MIBExt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LostDebugLocObserver DummyLocObserver("");
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBPow32, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBPow64, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBPow128, DummyLocObserver));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $s0 = COPY [[TRUNC]]
CHECK: BL &powf
CHECK: $d0 = COPY [[COPY]]
CHECK: BL &pow
CHECK: $q0 = COPY [[ANYEXT]]
CHECK: BL &powl
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallFMa) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FMA).libcallFor({s32, s64, s128});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBMa32 = B.buildInstr(TargetOpcode::G_FMA, {S32}, {MIBTrunc, MIBTrunc});
auto MIBMa64 =
B.buildInstr(TargetOpcode::G_FMA, {S64}, {Copies[0], Copies[0]});
auto MIBMa128 = B.buildInstr(TargetOpcode::G_FMA, {S128}, {MIBExt, MIBExt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LostDebugLocObserver DummyLocObserver("");
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBMa32, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBMa64, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBMa128, DummyLocObserver));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $s0 = COPY [[TRUNC]]
CHECK: BL &fmaf
CHECK: $d0 = COPY [[COPY]]
CHECK: BL &fma
CHECK: $q0 = COPY [[ANYEXT]]
CHECK: BL &fmal
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallFCeil) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FCEIL).libcallFor({s32, s64, s128});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBCeil32 = B.buildInstr(TargetOpcode::G_FCEIL, {S32}, {MIBTrunc});
auto MIBCeil64 = B.buildInstr(TargetOpcode::G_FCEIL, {S64}, {Copies[0]});
auto MIBCeil128 = B.buildInstr(TargetOpcode::G_FCEIL, {S128}, {MIBExt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
LostDebugLocObserver DummyLocObserver("");
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBCeil32, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBCeil64, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBCeil128, DummyLocObserver));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $s0 = COPY [[TRUNC]]
CHECK: BL &ceilf
CHECK: $d0 = COPY [[COPY]]
CHECK: BL &ceil
CHECK: $q0 = COPY [[ANYEXT]]
CHECK: BL &ceill
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallFFloor) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FFLOOR).libcallFor({s32, s64, s128});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBFloor32 = B.buildInstr(TargetOpcode::G_FFLOOR, {S32}, {MIBTrunc});
auto MIBFloor64 = B.buildInstr(TargetOpcode::G_FFLOOR, {S64}, {Copies[0]});
auto MIBFloor128 = B.buildInstr(TargetOpcode::G_FFLOOR, {S128}, {MIBExt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
LostDebugLocObserver DummyLocObserver("");
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBFloor32, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBFloor64, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBFloor128, DummyLocObserver));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $s0 = COPY [[TRUNC]]
CHECK: BL &floorf
CHECK: $d0 = COPY [[COPY]]
CHECK: BL &floor
CHECK: $q0 = COPY [[ANYEXT]]
CHECK: BL &floorl
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallFMinNum) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FMINNUM).libcallFor({s32, s64, s128});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBMin32 = B.buildFMinNum(S32, MIBTrunc, MIBTrunc);
auto MIBMin64 = B.buildFMinNum(S64, Copies[0], Copies[0]);
auto MIBMin128 = B.buildFMinNum(S128, MIBExt, MIBExt);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
LostDebugLocObserver DummyLocObserver("");
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBMin32, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBMin64, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBMin128, DummyLocObserver));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $s0 = COPY [[TRUNC]]
CHECK: $s1 = COPY [[TRUNC]]
CHECK: BL &fminf
CHECK: $d0 = COPY [[COPY]]
CHECK: $d1 = COPY [[COPY]]
CHECK: BL &fmin
CHECK: $q0 = COPY [[ANYEXT]]
CHECK: $q1 = COPY [[ANYEXT]]
CHECK: BL &fminl
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallFMaxNum) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FMAXNUM).libcallFor({s32, s64, s128});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBMax32 = B.buildFMaxNum(S32, MIBTrunc, MIBTrunc);
auto MIBMax64 = B.buildFMaxNum(S64, Copies[0], Copies[0]);
auto MIBMax128 = B.buildFMaxNum(S128, MIBExt, MIBExt);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
LostDebugLocObserver DummyLocObserver("");
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBMax32, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBMax64, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBMax128, DummyLocObserver));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $s0 = COPY [[TRUNC]]
CHECK: $s1 = COPY [[TRUNC]]
CHECK: BL &fmaxf
CHECK: $d0 = COPY [[COPY]]
CHECK: $d1 = COPY [[COPY]]
CHECK: BL &fmax
CHECK: $q0 = COPY [[ANYEXT]]
CHECK: $q1 = COPY [[ANYEXT]]
CHECK: BL &fmaxl
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallFSqrt) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FSQRT).libcallFor({s32, s64, s128});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBSqrt32 = B.buildInstr(TargetOpcode::G_FSQRT, {S32}, {MIBTrunc});
auto MIBSqrt64 = B.buildInstr(TargetOpcode::G_FSQRT, {S64}, {Copies[0]});
auto MIBSqrt128 = B.buildInstr(TargetOpcode::G_FSQRT, {S128}, {MIBExt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
LostDebugLocObserver DummyLocObserver("");
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBSqrt32, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBSqrt64, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBSqrt128, DummyLocObserver));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $s0 = COPY [[TRUNC]]
CHECK: BL &sqrtf
CHECK: $d0 = COPY [[COPY]]
CHECK: BL &sqrt
CHECK: $q0 = COPY [[ANYEXT]]
CHECK: BL &sqrtl
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallFRint) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FRINT).libcallFor({s32, s64, s128});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBRint32 = B.buildInstr(TargetOpcode::G_FRINT, {S32}, {MIBTrunc});
auto MIBRint64 = B.buildInstr(TargetOpcode::G_FRINT, {S64}, {Copies[0]});
auto MIBRint128 = B.buildInstr(TargetOpcode::G_FRINT, {S128}, {MIBExt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
LostDebugLocObserver DummyLocObserver("");
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBRint32, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBRint64, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBRint128, DummyLocObserver));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $s0 = COPY [[TRUNC]]
CHECK: BL &rintf
CHECK: $d0 = COPY [[COPY]]
CHECK: BL &rint
CHECK: $q0 = COPY [[ANYEXT]]
CHECK: BL &rintl
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LibcallFNearbyInt) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_FNEARBYINT).libcallFor({s32, s64, s128});
});
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
auto MIBTrunc = B.buildTrunc(S32, Copies[0]);
auto MIBExt = B.buildAnyExt(S128, Copies[0]);
auto MIBNearbyInt32 =
B.buildInstr(TargetOpcode::G_FNEARBYINT, {S32}, {MIBTrunc});
auto MIBNearbyInt64 =
B.buildInstr(TargetOpcode::G_FNEARBYINT, {S64}, {Copies[0]});
auto MIBNearbyInt128 =
B.buildInstr(TargetOpcode::G_FNEARBYINT, {S128}, {MIBExt});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
LostDebugLocObserver DummyLocObserver("");
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBNearbyInt32, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBNearbyInt64, DummyLocObserver));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.libcall(*MIBNearbyInt128, DummyLocObserver));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT
CHECK: $s0 = COPY [[TRUNC]]
CHECK: BL &nearbyintf
CHECK: $d0 = COPY [[COPY]]
CHECK: BL &nearbyint
CHECK: $q0 = COPY [[ANYEXT]]
CHECK: BL &nearbyintl
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, NarrowScalarExtract) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {
getActionDefinitionsBuilder(G_UNMERGE_VALUES).legalFor({{s32, s64}});
getActionDefinitionsBuilder(G_EXTRACT).legalForTypeWithAnyImm({{s16, s32}});
});
LLT S16{LLT::scalar(16)};
LLT S32{LLT::scalar(32)};
auto MIBExtractS32 = B.buildExtract(S32, Copies[1], 32);
auto MIBExtractS16 = B.buildExtract(S16, Copies[1], 0);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*MIBExtractS32, 1, S32));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*MIBExtractS16, 1, S32));
const auto *CheckStr = R"(
CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES
CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY [[UV1]]
CHECK: [[UV3:%[0-9]+]]:_(s32), [[UV4:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES
CHECK: [[EXTR:%[0-9]+]]:_(s16) = G_EXTRACT [[UV3]]:_(s32), 0
CHECK: [[COPY:%[0-9]+]]:_(s16) = COPY [[EXTR]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, LowerInsert) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, { getActionDefinitionsBuilder(G_INSERT).lower(); });
LLT S32{LLT::scalar(32)};
LLT S64{LLT::scalar(64)};
LLT P0{LLT::pointer(0, 64)};
LLT P1{LLT::pointer(1, 32)};
LLT V2S32{LLT::fixed_vector(2, 32)};
auto TruncS32 = B.buildTrunc(S32, Copies[0]);
auto IntToPtrP0 = B.buildIntToPtr(P0, Copies[0]);
auto IntToPtrP1 = B.buildIntToPtr(P1, TruncS32);
auto BitcastV2S32 = B.buildBitcast(V2S32, Copies[0]);
auto InsertS64S32 = B.buildInsert(S64, Copies[0], TruncS32, 0);
auto InsertS64P1 = B.buildInsert(S64, Copies[0], IntToPtrP1, 8);
auto InsertP0S32 = B.buildInsert(P0, IntToPtrP0, TruncS32, 16);
auto InsertP0P1 = B.buildInsert(P0, IntToPtrP0, IntToPtrP1, 4);
auto InsertV2S32S32 = B.buildInsert(V2S32, BitcastV2S32, TruncS32, 32);
auto InsertV2S32P1 = B.buildInsert(V2S32, BitcastV2S32, IntToPtrP1, 0);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*InsertS64S32, 0, LLT{}));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*InsertS64P1, 0, LLT{}));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*InsertP0S32, 0, LLT{}));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*InsertP0P1, 0, LLT{}));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*InsertV2S32S32, 0, LLT{}));
EXPECT_EQ(LegalizerHelper::LegalizeResult::UnableToLegalize,
Helper.lower(*InsertV2S32P1, 0, LLT{}));
const auto *CheckStr = R"(
CHECK: [[S64:%[0-9]+]]:_(s64) = COPY
CHECK: [[S32:%[0-9]+]]:_(s32) = G_TRUNC [[S64]]
CHECK: [[P0:%[0-9]+]]:_(p0) = G_INTTOPTR [[S64]]
CHECK: [[P1:%[0-9]+]]:_(p1) = G_INTTOPTR [[S32]]
CHECK: [[V2S32:%[0-9]+]]:_(<2 x s32>) = G_BITCAST [[S64]]
CHECK: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[S32]]
CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT
CHECK: [[AND:%[0-9]+]]:_(s64) = G_AND [[S64]]:_, [[C]]:_
CHECK: [[OR:%[0-9]+]]:_(s64) = G_OR [[AND]]:_, [[ZEXT]]:_
CHECK: [[PTRTOINT:%[0-9]+]]:_(s32) = G_PTRTOINT [[P1]]
CHECK: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[PTRTOINT]]
CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT
CHECK: [[SHL:%[0-9]+]]:_(s64) = G_SHL [[ZEXT]]:_, [[C]]:_(s64)
CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT
CHECK: [[AND:%[0-9]+]]:_(s64) = G_AND [[S64]]:_, [[C]]:_
CHECK: [[OR:%[0-9]+]]:_(s64) = G_OR [[AND]]:_, [[SHL]]:_
CHECK: [[PTRTOINT:%[0-9]+]]:_(s64) = G_PTRTOINT [[P0]]
CHECK: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[S32]]
CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT
CHECK: [[SHL:%[0-9]+]]:_(s64) = G_SHL [[ZEXT]]:_, [[C]]:_(s64)
CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT
CHECK: [[AND:%[0-9]+]]:_(s64) = G_AND [[PTRTOINT]]:_, [[C]]:_
CHECK: [[OR:%[0-9]+]]:_(s64) = G_OR [[AND]]:_, [[SHL]]:_
CHECK: [[INTTOPTR:%[0-9]+]]:_(p0) = G_INTTOPTR [[OR]]
CHECK: [[PTRTOINT:%[0-9]+]]:_(s64) = G_PTRTOINT [[P0]]
CHECK: [[PTRTOINT1:%[0-9]+]]:_(s32) = G_PTRTOINT [[P1]]
CHECK: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[PTRTOINT1]]
CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT
CHECK: [[SHL:%[0-9]+]]:_(s64) = G_SHL [[ZEXT]]:_, [[C]]:_(s64)
CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT
CHECK: [[AND:%[0-9]+]]:_(s64) = G_AND [[PTRTOINT]]:_, [[C]]:_
CHECK: [[OR:%[0-9]+]]:_(s64) = G_OR [[AND]]:_, [[SHL]]:_
CHECK: [[INTTOPTR:%[0-9]+]]:_(p0) = G_INTTOPTR [[OR]]
CHECK: [[BITCAST:%[0-9]+]]:_(s64) = G_BITCAST [[V2S32]]
CHECK: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[S32]]
CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT
CHECK: [[SHL:%[0-9]+]]:_(s64) = G_SHL [[ZEXT]]:_, [[C]]:_(s64)
CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT
CHECK: [[AND:%[0-9]+]]:_(s64) = G_AND [[BITCAST]]:_, [[C]]:_
CHECK: [[OR:%[0-9]+]]:_(s64) = G_OR [[AND]]:_, [[SHL]]:_
CHECK: [[BITCAST:%[0-9]+]]:_(<2 x s32>) = G_BITCAST [[OR]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// Test lowering of G_FFLOOR
TEST_F(AArch64GISelMITest, LowerFFloor) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(A, {});
// Build Instr
auto Floor = B.buildFFloor(LLT::scalar(64), Copies[0], MachineInstr::MIFlag::FmNoInfs);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*Floor, 0, LLT()));
auto CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s64) = ninf G_INTRINSIC_TRUNC [[COPY]]
CHECK: [[ZERO:%[0-9]+]]:_(s64) = G_FCONSTANT double 0.000000e+00
CHECK: [[CMP0:%[0-9]+]]:_(s1) = ninf G_FCMP floatpred(olt), [[COPY]]:_(s64), [[ZERO]]:_
CHECK: [[CMP1:%[0-9]+]]:_(s1) = ninf G_FCMP floatpred(one), [[COPY]]:_(s64), [[TRUNC]]:_
CHECK: [[AND:%[0-9]+]]:_(s1) = G_AND [[CMP0]]:_, [[CMP1]]:_
CHECK: [[ITOFP:%[0-9]+]]:_(s64) = G_SITOFP [[AND]]
= ninf G_FADD [[TRUNC]]:_, [[ITOFP]]:_
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// Test lowering of G_BSWAP
TEST_F(AArch64GISelMITest, LowerBSWAP) {
setUp();
if (!TM)
return;
DefineLegalizerInfo(A, {});
// Make sure vector lowering doesn't assert.
auto Cast = B.buildBitcast(LLT::fixed_vector(2, 32), Copies[0]);
auto BSwap = B.buildBSwap(LLT::fixed_vector(2, 32), Cast);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*BSwap, 0, LLT()));
auto CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[VEC:%[0-9]+]]:_(<2 x s32>) = G_BITCAST [[COPY]]
CHECK: [[K24:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
CHECK: [[SPLAT24:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[K24]]:_(s32), [[K24]]:_(s32)
CHECK: [[SHL0:%[0-9]+]]:_(<2 x s32>) = G_SHL [[VEC]]:_, [[SPLAT24]]
CHECK: [[SHR0:%[0-9]+]]:_(<2 x s32>) = G_LSHR [[VEC]]:_, [[SPLAT24]]
CHECK: [[OR0:%[0-9]+]]:_(<2 x s32>) = G_OR [[SHR0]]:_, [[SHL0]]:_
CHECK: [[KMASK:%[0-9]+]]:_(s32) = G_CONSTANT i32 65280
CHECK: [[SPLATMASK:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[KMASK]]:_(s32), [[KMASK]]:_(s32)
CHECK: [[K8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
CHECK: [[SPLAT8:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[K8]]:_(s32), [[K8]]:_(s32)
CHECK: [[AND0:%[0-9]+]]:_(<2 x s32>) = G_AND [[VEC]]:_, [[SPLATMASK]]:_
CHECK: [[SHL1:%[0-9]+]]:_(<2 x s32>) = G_SHL [[AND0]]:_, [[SPLAT8]]
CHECK: [[OR1:%[0-9]+]]:_(<2 x s32>) = G_OR [[OR0]]:_, [[SHL1]]:_
CHECK: [[SHR1:%[0-9]+]]:_(<2 x s32>) = G_LSHR [[VEC]]:_, [[SPLAT8]]
CHECK: [[AND1:%[0-9]+]]:_(<2 x s32>) = G_AND [[SHR1]]:_, [[SPLATMASK]]:_
CHECK: [[BSWAP:%[0-9]+]]:_(<2 x s32>) = G_OR [[OR1]]:_, [[AND1]]:_
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// Test lowering of G_SDIVREM into G_SDIV and G_SREM
TEST_F(AArch64GISelMITest, LowerSDIVREM) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(
A, { getActionDefinitionsBuilder(G_SDIVREM).lowerFor({s64}); });
LLT S64{LLT::scalar(64)};
// Build Instr
auto SDivrem =
B.buildInstr(TargetOpcode::G_SDIVREM, {S64, S64}, {Copies[0], Copies[1]});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*SDivrem, 0, S64));
const auto *CheckStr = R"(
CHECK: [[DIV:%[0-9]+]]:_(s64) = G_SDIV %0:_, %1:_
CHECK: [[REM:%[0-9]+]]:_(s64) = G_SREM %0:_, %1:_
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// Test lowering of G_UDIVREM into G_UDIV and G_UREM
TEST_F(AArch64GISelMITest, LowerUDIVREM) {
setUp();
if (!TM)
return;
// Declare your legalization info
DefineLegalizerInfo(
A, { getActionDefinitionsBuilder(G_UDIVREM).lowerFor({s64}); });
LLT S64{LLT::scalar(64)};
// Build Instr
auto UDivrem =
B.buildInstr(TargetOpcode::G_UDIVREM, {S64, S64}, {Copies[0], Copies[1]});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.lower(*UDivrem, 0, S64));
const auto *CheckStr = R"(
CHECK: [[DIV:%[0-9]+]]:_(s64) = G_UDIV %0:_, %1:_
CHECK: [[REM:%[0-9]+]]:_(s64) = G_UREM %0:_, %1:_
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// Test widening of G_UNMERGE_VALUES
TEST_F(AArch64GISelMITest, WidenUnmerge) {
setUp();
if (!TM)
return;
DefineLegalizerInfo(A, {});
// Check that widening G_UNMERGE_VALUES to a larger type than the source type
// works as expected
LLT P0{LLT::pointer(0, 64)};
LLT S32{LLT::scalar(32)};
LLT S96{LLT::scalar(96)};
auto IntToPtr = B.buildIntToPtr(P0, Copies[0]);
auto UnmergePtr = B.buildUnmerge(S32, IntToPtr);
auto UnmergeScalar = B.buildUnmerge(S32, Copies[0]);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.widenScalar(*UnmergePtr, 0, S96));
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.widenScalar(*UnmergeScalar, 0, S96));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[PTR:%[0-9]+]]:_(p0) = G_INTTOPTR [[COPY]]
CHECK: [[INT:%[0-9]+]]:_(s64) = G_PTRTOINT [[PTR]]
CHECK: [[ANYEXT:%[0-9]+]]:_(s96) = G_ANYEXT [[INT]]
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[ANYEXT]]
CHECK: [[C:%[0-9]+]]:_(s96) = G_CONSTANT i96 32
CHECK: [[LSHR:%[0-9]+]]:_(s96) = G_LSHR [[ANYEXT]]:_, [[C]]
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR]]
CHECK: [[ANYEXT:%[0-9]+]]:_(s96) = G_ANYEXT [[COPY]]
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[ANYEXT]]
CHECK: [[C:%[0-9]+]]:_(s96) = G_CONSTANT i96 32
CHECK: [[LSHR:%[0-9]+]]:_(s96) = G_LSHR [[ANYEXT]]:_, [[C]]
CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, BitcastLoad) {
setUp();
if (!TM)
return;
LLT P0 = LLT::pointer(0, 64);
LLT S32 = LLT::scalar(32);
LLT V4S8 = LLT::fixed_vector(4, 8);
auto Ptr = B.buildUndef(P0);
DefineLegalizerInfo(A, {});
MachineMemOperand *MMO = B.getMF().getMachineMemOperand(
MachinePointerInfo(), MachineMemOperand::MOLoad, 4, Align(4));
auto Load = B.buildLoad(V4S8, Ptr, *MMO);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
B.setInsertPt(*EntryMBB, Load->getIterator());
LegalizerHelper Helper(*MF, Info, Observer, B);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.bitcast(*Load, 0, S32));
auto CheckStr = R"(
CHECK: [[PTR:%[0-9]+]]:_(p0) = G_IMPLICIT_DEF
CHECK: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD
CHECK: [[CAST:%[0-9]+]]:_(<4 x s8>) = G_BITCAST [[LOAD]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, BitcastStore) {
setUp();
if (!TM)
return;
LLT P0 = LLT::pointer(0, 64);
LLT S32 = LLT::scalar(32);
LLT V4S8 = LLT::fixed_vector(4, 8);
auto Ptr = B.buildUndef(P0);
DefineLegalizerInfo(A, {});
MachineMemOperand *MMO = B.getMF().getMachineMemOperand(
MachinePointerInfo(), MachineMemOperand::MOStore, 4, Align(4));
auto Val = B.buildUndef(V4S8);
auto Store = B.buildStore(Val, Ptr, *MMO);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
B.setInsertPt(*EntryMBB, Store->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.bitcast(*Store, 0, S32));
auto CheckStr = R"(
CHECK: [[VAL:%[0-9]+]]:_(<4 x s8>) = G_IMPLICIT_DEF
CHECK: [[CAST:%[0-9]+]]:_(s32) = G_BITCAST [[VAL]]
CHECK: G_STORE [[CAST]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, BitcastSelect) {
setUp();
if (!TM)
return;
LLT S1 = LLT::scalar(1);
LLT S32 = LLT::scalar(32);
LLT V4S8 = LLT::fixed_vector(4, 8);
DefineLegalizerInfo(A, {});
auto Cond = B.buildUndef(S1);
auto Val0 = B.buildConstant(V4S8, 123);
auto Val1 = B.buildConstant(V4S8, 99);
auto Select = B.buildSelect(V4S8, Cond, Val0, Val1);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
B.setInsertPt(*EntryMBB, Select->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.bitcast(*Select, 0, S32));
auto CheckStr = R"(
CHECK: [[VAL0:%[0-9]+]]:_(<4 x s8>) = G_BUILD_VECTOR
CHECK: [[VAL1:%[0-9]+]]:_(<4 x s8>) = G_BUILD_VECTOR
CHECK: [[CAST0:%[0-9]+]]:_(s32) = G_BITCAST [[VAL0]]
CHECK: [[CAST1:%[0-9]+]]:_(s32) = G_BITCAST [[VAL1]]
CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT %{{[0-9]+}}:_(s1), [[CAST0]]:_, [[CAST1]]:_
CHECK: [[CAST2:%[0-9]+]]:_(<4 x s8>) = G_BITCAST [[SELECT]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
// Doesn't make sense
auto VCond = B.buildUndef(LLT::fixed_vector(4, 1));
auto VSelect = B.buildSelect(V4S8, VCond, Val0, Val1);
B.setInsertPt(*EntryMBB, VSelect->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::UnableToLegalize,
Helper.bitcast(*VSelect, 0, S32));
EXPECT_EQ(LegalizerHelper::LegalizeResult::UnableToLegalize,
Helper.bitcast(*VSelect, 1, LLT::scalar(4)));
}
TEST_F(AArch64GISelMITest, BitcastBitOps) {
setUp();
if (!TM)
return;
LLT S32 = LLT::scalar(32);
LLT V4S8 = LLT::fixed_vector(4, 8);
DefineLegalizerInfo(A, {});
auto Val0 = B.buildConstant(V4S8, 123);
auto Val1 = B.buildConstant(V4S8, 99);
auto And = B.buildAnd(V4S8, Val0, Val1);
auto Or = B.buildOr(V4S8, Val0, Val1);
auto Xor = B.buildXor(V4S8, Val0, Val1);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
B.setInsertPt(*EntryMBB, And->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.bitcast(*And, 0, S32));
B.setInsertPt(*EntryMBB, Or->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.bitcast(*Or, 0, S32));
B.setInsertPt(*EntryMBB, Xor->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.bitcast(*Xor, 0, S32));
auto CheckStr = R"(
CHECK: [[VAL0:%[0-9]+]]:_(<4 x s8>) = G_BUILD_VECTOR
CHECK: [[VAL1:%[0-9]+]]:_(<4 x s8>) = G_BUILD_VECTOR
CHECK: [[CAST0:%[0-9]+]]:_(s32) = G_BITCAST [[VAL0]]
CHECK: [[CAST1:%[0-9]+]]:_(s32) = G_BITCAST [[VAL1]]
CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[CAST0]]:_, [[CAST1]]:_
CHECK: [[CAST_AND:%[0-9]+]]:_(<4 x s8>) = G_BITCAST [[AND]]
CHECK: [[CAST2:%[0-9]+]]:_(s32) = G_BITCAST [[VAL0]]
CHECK: [[CAST3:%[0-9]+]]:_(s32) = G_BITCAST [[VAL1]]
CHECK: [[OR:%[0-9]+]]:_(s32) = G_OR [[CAST2]]:_, [[CAST3]]:_
CHECK: [[CAST_OR:%[0-9]+]]:_(<4 x s8>) = G_BITCAST [[OR]]
CHECK: [[CAST4:%[0-9]+]]:_(s32) = G_BITCAST [[VAL0]]
CHECK: [[CAST5:%[0-9]+]]:_(s32) = G_BITCAST [[VAL1]]
CHECK: [[XOR:%[0-9]+]]:_(s32) = G_XOR [[CAST4]]:_, [[CAST5]]:_
CHECK: [[CAST_XOR:%[0-9]+]]:_(<4 x s8>) = G_BITCAST [[XOR]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
TEST_F(AArch64GISelMITest, CreateLibcall) {
setUp();
if (!TM)
return;
DefineLegalizerInfo(A, {});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LLVMContext &Ctx = MF->getFunction().getContext();
auto *RetTy = Type::getVoidTy(Ctx);
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
createLibcall(B, "abort", {{}, RetTy, 0}, {}, CallingConv::C));
auto CheckStr = R"(
CHECK: ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp
CHECK: BL &abort
CHECK: ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// Test narrowing of G_IMPLICIT_DEF
TEST_F(AArch64GISelMITest, NarrowImplicitDef) {
setUp();
if (!TM)
return;
DefineLegalizerInfo(A, {});
// Make sure that G_IMPLICIT_DEF can be narrowed if the original size is not a
// multiple of narrow size
LLT S32{LLT::scalar(32)};
LLT S48{LLT::scalar(48)};
LLT S64{LLT::scalar(64)};
LLT V2S64{{LLT::fixed_vector(2, 64)}};
auto Implicit1 = B.buildUndef(S64);
auto Implicit2 = B.buildUndef(S64);
auto Implicit3 = B.buildUndef(V2S64);
auto Implicit4 = B.buildUndef(V2S64);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
B.setInsertPt(*EntryMBB, Implicit1->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*Implicit1, 0, S48));
B.setInsertPt(*EntryMBB, Implicit2->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*Implicit2, 0, S32));
B.setInsertPt(*EntryMBB, Implicit3->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*Implicit3, 0, S48));
B.setInsertPt(*EntryMBB, Implicit4->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*Implicit4, 0, S32));
const auto *CheckStr = R"(
CHECK: [[DEF:%[0-9]+]]:_(s48) = G_IMPLICIT_DEF
CHECK: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[DEF]]
CHECK: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
CHECK: [[DEF1:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
CHECK: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[DEF]]:_(s32), [[DEF1]]
CHECK: [[DEF:%[0-9]+]]:_(<2 x s48>) = G_IMPLICIT_DEF
CHECK: [[ANYEXT:%[0-9]+]]:_(<2 x s64>) = G_ANYEXT [[DEF]]
CHECK: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
CHECK: [[DEF1:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
CHECK: [[DEF2:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
CHECK: [[DEF3:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
CHECK: [[BV:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[DEF]]:_(s32), [[DEF1]]:_(s32), [[DEF2]]:_(s32), [[DEF3]]:_(s32)
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// Test widening of G_FREEZE
TEST_F(AArch64GISelMITest, WidenFreeze) {
setUp();
if (!TM)
return;
DefineLegalizerInfo(A, {});
// Make sure that G_FREEZE is widened with anyext
LLT S64{LLT::scalar(64)};
LLT S128{LLT::scalar(128)};
LLT V2S32{LLT::fixed_vector(2, 32)};
LLT V2S64{LLT::fixed_vector(2, 64)};
auto Vector = B.buildBitcast(V2S32, Copies[0]);
auto FreezeScalar = B.buildInstr(TargetOpcode::G_FREEZE, {S64}, {Copies[0]});
auto FreezeVector = B.buildInstr(TargetOpcode::G_FREEZE, {V2S32}, {Vector});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
B.setInsertPt(*EntryMBB, FreezeScalar->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.widenScalar(*FreezeScalar, 0, S128));
B.setInsertPt(*EntryMBB, FreezeVector->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.widenScalar(*FreezeVector, 0, V2S64));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[BITCAST:%[0-9]+]]:_(<2 x s32>) = G_BITCAST [[COPY]]
CHECK: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT [[COPY]]
CHECK: [[FREEZE:%[0-9]+]]:_(s128) = G_FREEZE [[ANYEXT]]
CHECK: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[FREEZE]]
CHECK: [[ANYEXT1:%[0-9]+]]:_(<2 x s64>) = G_ANYEXT [[BITCAST]]
CHECK: [[FREEZE1:%[0-9]+]]:_(<2 x s64>) = G_FREEZE [[ANYEXT1]]
CHECK: [[TRUNC1:%[0-9]+]]:_(<2 x s32>) = G_TRUNC [[FREEZE1]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// Test narrowing of G_FREEZE
TEST_F(AArch64GISelMITest, NarrowFreeze) {
setUp();
if (!TM)
return;
DefineLegalizerInfo(A, {});
// Make sure that G_FREEZE is narrowed using unmerge/extract
LLT S16{LLT::scalar(16)};
LLT S32{LLT::scalar(32)};
LLT S33{LLT::scalar(33)};
LLT S64{LLT::scalar(64)};
LLT V2S16{LLT::fixed_vector(2, 16)};
LLT V2S32{LLT::fixed_vector(2, 32)};
auto Trunc = B.buildTrunc(S33, {Copies[0]});
auto Vector = B.buildBitcast(V2S32, Copies[0]);
auto FreezeScalar = B.buildInstr(TargetOpcode::G_FREEZE, {S64}, {Copies[0]});
auto FreezeOdd = B.buildInstr(TargetOpcode::G_FREEZE, {S33}, {Trunc});
auto FreezeVector = B.buildInstr(TargetOpcode::G_FREEZE, {V2S32}, {Vector});
auto FreezeVector1 = B.buildInstr(TargetOpcode::G_FREEZE, {V2S32}, {Vector});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
B.setInsertPt(*EntryMBB, FreezeScalar->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*FreezeScalar, 0, S32));
B.setInsertPt(*EntryMBB, FreezeOdd->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*FreezeOdd, 0, S32));
B.setInsertPt(*EntryMBB, FreezeVector->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*FreezeVector, 0, V2S16));
B.setInsertPt(*EntryMBB, FreezeVector1->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalar(*FreezeVector1, 0, S16));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[TRUNC:%[0-9]+]]:_(s33) = G_TRUNC [[COPY]]
CHECK: [[BITCAST:%[0-9]+]]:_(<2 x s32>) = G_BITCAST [[COPY]]
CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]]
CHECK: [[FREEZE:%[0-9]+]]:_(s32) = G_FREEZE [[UV]]
CHECK: [[FREEZE1:%[0-9]+]]:_(s32) = G_FREEZE [[UV1]]
CHECK: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[FREEZE]]:_(s32), [[FREEZE1]]
CHECK: (s1) = G_UNMERGE_VALUES [[TRUNC]]:_(s33)
CHECK: [[UNDEF:%[0-9]+]]:_(s1) = G_IMPLICIT_DEF
CHECK: [[MV1:%[0-9]+]]:_(s32) = G_MERGE_VALUES
CHECK: [[MV2:%[0-9]+]]:_(s32) = G_MERGE_VALUES
CHECK: [[UNDEF1:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
CHECK: [[FREEZE2:%[0-9]+]]:_(s32) = G_FREEZE [[MV1]]
CHECK: [[FREEZE3:%[0-9]+]]:_(s32) = G_FREEZE [[MV2]]
CHECK: [[UNDEF2:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
CHECK: [[MV3:%[0-9]+]]:_(s1056) = G_MERGE_VALUES [[FREEZE2]]:_(s32), [[FREEZE3]]:_(s32), [[UNDEF2]]
CHECK: [[TRUNC1:%[0-9]+]]:_(s33) = G_TRUNC [[MV3]]
CHECK: [[BITCAST1:%[0-9]+]]:_(s64) = G_BITCAST [[BITCAST]]
CHECK: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[BITCAST1]]
CHECK: [[FREEZE4:%[0-9]+]]:_(s32) = G_FREEZE [[UV2]]
CHECK: [[FREEZE5:%[0-9]+]]:_(s32) = G_FREEZE [[UV3]]
CHECK: [[MV4:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[FREEZE4]]:_(s32), [[FREEZE5]]:_(s32)
CHECK: [[BITCAST2:%[0-9]+]]:_(<2 x s32>) = G_BITCAST [[MV4]]
CHECK: [[BITCAST3:%[0-9]+]]:_(s64) = G_BITCAST [[BITCAST]]
CHECK: [[UV4:%[0-9]+]]:_(s16), [[UV5:%[0-9]+]]:_(s16), [[UV6:%[0-9]+]]:_(s16), [[UV7:%[0-9]+]]:_(s16) = G_UNMERGE_VALUES [[BITCAST3]]
CHECK: [[FREEZE6:%[0-9]+]]:_(s16) = G_FREEZE [[UV4]]
CHECK: [[FREEZE7:%[0-9]+]]:_(s16) = G_FREEZE [[UV5]]
CHECK: [[FREEZE8:%[0-9]+]]:_(s16) = G_FREEZE [[UV6]]
CHECK: [[FREEZE9:%[0-9]+]]:_(s16) = G_FREEZE [[UV7]]
CHECK: [[MV5:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[FREEZE6]]:_(s16), [[FREEZE7]]:_(s16), [[FREEZE8]]:_(s16), [[FREEZE9]]
CHECK: [[BITCAST3:%[0-9]+]]:_(<2 x s32>) = G_BITCAST [[MV5]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// Test fewer elements of G_FREEZE
TEST_F(AArch64GISelMITest, FewerElementsFreeze) {
setUp();
if (!TM)
return;
DefineLegalizerInfo(A, {});
LLT S32{LLT::scalar(32)};
LLT V2S16{LLT::fixed_vector(2, 16)};
LLT V2S32{LLT::fixed_vector(2, 32)};
LLT V4S16{LLT::fixed_vector(4, 16)};
auto Vector1 = B.buildBitcast(V2S32, Copies[0]);
auto Vector2 = B.buildBitcast(V4S16, Copies[0]);
auto FreezeVector1 = B.buildInstr(TargetOpcode::G_FREEZE, {V2S32}, {Vector1});
auto FreezeVector2 = B.buildInstr(TargetOpcode::G_FREEZE, {V4S16}, {Vector2});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
B.setInsertPt(*EntryMBB, FreezeVector1->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.fewerElementsVector(*FreezeVector1, 0, S32));
B.setInsertPt(*EntryMBB, FreezeVector2->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.fewerElementsVector(*FreezeVector2, 0, V2S16));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[BITCAST:%[0-9]+]]:_(<2 x s32>) = G_BITCAST [[COPY]]
CHECK: [[BITCAST1:%[0-9]+]]:_(<4 x s16>) = G_BITCAST [[COPY]]
CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[BITCAST]]
CHECK: [[FREEZE:%[0-9]+]]:_(s32) = G_FREEZE [[UV]]
CHECK: [[FREEZE1:%[0-9]+]]:_(s32) = G_FREEZE [[UV1]]
CHECK: [[MV:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[FREEZE]]:_(s32), [[FREEZE1]]
CHECK: [[UV:%[0-9]+]]:_(<2 x s16>), [[UV1:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[BITCAST1]]
CHECK: [[FREEZE2:%[0-9]+]]:_(<2 x s16>) = G_FREEZE [[UV]]
CHECK: [[FREEZE3:%[0-9]+]]:_(<2 x s16>) = G_FREEZE [[UV1]]
CHECK: [[MV:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[FREEZE2]]:_(<2 x s16>), [[FREEZE3]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// Test more elements of G_FREEZE
TEST_F(AArch64GISelMITest, MoreElementsFreeze) {
setUp();
if (!TM)
return;
DefineLegalizerInfo(A, {});
LLT V2S32{LLT::fixed_vector(2, 32)};
LLT V4S32{LLT::fixed_vector(4, 32)};
auto Vector1 = B.buildBitcast(V2S32, Copies[0]);
auto FreezeVector1 = B.buildInstr(TargetOpcode::G_FREEZE, {V2S32}, {Vector1});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
B.setInsertPt(*EntryMBB, FreezeVector1->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.moreElementsVector(*FreezeVector1, 0, V4S32));
const auto *CheckStr = R"(
CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY
CHECK: [[BITCAST:%[0-9]+]]:_(<2 x s32>) = G_BITCAST [[COPY]]
CHECK: [[UNDEF:%[0-9]+]]:_(<2 x s32>) = G_IMPLICIT_DEF
CHECK: [[CV:%[0-9]+]]:_(<4 x s32>) = G_CONCAT_VECTORS [[BITCAST]]:_(<2 x s32>), [[UNDEF]]
CHECK: [[FREEZE:%[0-9]+]]:_(<4 x s32>) = G_FREEZE [[CV]]
CHECK: [[EXTR0:%[0-9]+]]:_(<2 x s32>), [[EXTR1:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[FREEZE]]:_(<4 x s32>)
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// Test fewer elements of G_INSERT_VECTOR_ELEMENT
TEST_F(AArch64GISelMITest, FewerElementsInsertVectorElt) {
setUp();
if (!TM)
return;
DefineLegalizerInfo(A, {});
LLT P0{LLT::pointer(0, 64)};
LLT S64{LLT::scalar(64)};
LLT S16{LLT::scalar(16)};
LLT V2S16{LLT::fixed_vector(2, 16)};
LLT V3S16{LLT::fixed_vector(3, 16)};
LLT V8S16{LLT::fixed_vector(8, 16)};
auto Ptr0 = B.buildIntToPtr(P0, Copies[0]);
auto VectorV8 = B.buildLoad(V8S16, Ptr0, MachinePointerInfo(), Align(8));
auto Value = B.buildTrunc(S16, Copies[1]);
auto Seven = B.buildConstant(S64, 7);
auto InsertV8Constant7_0 =
B.buildInsertVectorElement(V8S16, VectorV8, Value, Seven);
auto InsertV8Constant7_1 =
B.buildInsertVectorElement(V8S16, VectorV8, Value, Seven);
B.buildStore(InsertV8Constant7_0, Ptr0, MachinePointerInfo(), Align(8),
MachineMemOperand::MOVolatile);
B.buildStore(InsertV8Constant7_1, Ptr0, MachinePointerInfo(), Align(8),
MachineMemOperand::MOVolatile);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
B.setInsertPt(*EntryMBB, InsertV8Constant7_0->getIterator());
// This should index the high element of the 4th piece of an unmerge.
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.fewerElementsVector(*InsertV8Constant7_0, 0, V2S16));
// This case requires extracting an intermediate vector type into the target
// v4s16.
B.setInsertPt(*EntryMBB, InsertV8Constant7_1->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.fewerElementsVector(*InsertV8Constant7_1, 0, V3S16));
const auto *CheckStr = R"(
CHECK: [[COPY0:%[0-9]+]]:_(s64) = COPY
CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY
CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY
CHECK: [[PTR0:%[0-9]+]]:_(p0) = G_INTTOPTR [[COPY0]]
CHECK: [[VEC8:%[0-9]+]]:_(<8 x s16>) = G_LOAD [[PTR0]]:_(p0) :: (load (<8 x s16>), align 8)
CHECK: [[INSERT_VAL:%[0-9]+]]:_(s16) = G_TRUNC [[COPY1]]
CHECK: [[UNMERGE0:%[0-9]+]]:_(<2 x s16>), [[UNMERGE1:%[0-9]+]]:_(<2 x s16>), [[UNMERGE2:%[0-9]+]]:_(<2 x s16>), [[UNMERGE3:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[VEC8]]
CHECK: [[ONE:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
CHECK: [[SUB_INSERT_7:%[0-9]+]]:_(<2 x s16>) = G_INSERT_VECTOR_ELT [[UNMERGE3]]:_, [[INSERT_VAL]]:_(s16), [[ONE]]
CHECK: [[INSERT_V8_7_0:%[0-9]+]]:_(<8 x s16>) = G_CONCAT_VECTORS [[UNMERGE0]]:_(<2 x s16>), [[UNMERGE1]]:_(<2 x s16>), [[UNMERGE2]]:_(<2 x s16>), [[SUB_INSERT_7]]:_(<2 x s16>)
CHECK: [[UNMERGE1_0:%[0-9]+]]:_(s16), [[UNMERGE1_1:%[0-9]+]]:_(s16), [[UNMERGE1_2:%[0-9]+]]:_(s16), [[UNMERGE1_3:%[0-9]+]]:_(s16), [[UNMERGE1_4:%[0-9]+]]:_(s16), [[UNMERGE1_5:%[0-9]+]]:_(s16), [[UNMERGE1_6:%[0-9]+]]:_(s16), [[UNMERGE1_7:%[0-9]+]]:_(s16) = G_UNMERGE_VALUES [[VEC8]]:_(<8 x s16>)
CHECK: [[IMPDEF_S16:%[0-9]+]]:_(s16) = G_IMPLICIT_DEF
CHECK: [[BUILD0:%[0-9]+]]:_(<3 x s16>) = G_BUILD_VECTOR [[UNMERGE1_0]]:_(s16), [[UNMERGE1_1]]:_(s16), [[UNMERGE1_2]]:_(s16)
CHECK: [[BUILD1:%[0-9]+]]:_(<3 x s16>) = G_BUILD_VECTOR [[UNMERGE1_3]]:_(s16), [[UNMERGE1_4]]:_(s16), [[UNMERGE1_5]]:_(s16)
CHECK: [[BUILD2:%[0-9]+]]:_(<3 x s16>) = G_BUILD_VECTOR [[UNMERGE1_6]]:_(s16), [[UNMERGE1_7]]:_(s16), [[IMPDEF_S16]]:_(s16)
CHECK: [[IMPDEF_V3S16:%[0-9]+]]:_(<3 x s16>) = G_IMPLICIT_DEF
CHECK: [[ONE_1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
CHECK: [[SUB_INSERT_7_V3S16:%[0-9]+]]:_(<3 x s16>) = G_INSERT_VECTOR_ELT [[BUILD2]]:_, [[INSERT_VAL]]:_(s16), [[ONE_1]]
CHECK: [[WIDE_CONCAT_DEAD:%[0-9]+]]:_(<24 x s16>) = G_CONCAT_VECTORS [[BUILD0]]:_(<3 x s16>), [[BUILD1]]:_(<3 x s16>), [[SUB_INSERT_7_V3S16]]:_(<3 x s16>), [[IMPDEF_V3S16]]:_(<3 x s16>), [[IMPDEF_V3S16]]:_(<3 x s16>), [[IMPDEF_V3S16]]:_(<3 x s16>), [[IMPDEF_V3S16]]:_(<3 x s16>), [[IMPDEF_V3S16]]:_(<3 x s16>)
CHECK: [[WIDE_CONCAT:%[0-9]+]]:_(<24 x s16>) = G_CONCAT_VECTORS [[BUILD0]]:_(<3 x s16>), [[BUILD1]]:_(<3 x s16>), [[SUB_INSERT_7_V3S16]]:_(<3 x s16>), [[IMPDEF_V3S16]]:_(<3 x s16>), [[IMPDEF_V3S16]]:_(<3 x s16>), [[IMPDEF_V3S16]]:_(<3 x s16>), [[IMPDEF_V3S16]]:_(<3 x s16>), [[IMPDEF_V3S16]]:_(<3 x s16>)
CHECK: [[INSERT_V8_7_1:%[0-9]+]]:_(<8 x s16>), %{{[0-9]+}}:_(<8 x s16>), %{{[0-9]+}}:_(<8 x s16>) = G_UNMERGE_VALUES [[WIDE_CONCAT]]:_(<24 x s16>)
CHECK: G_STORE [[INSERT_V8_7_0]]
CHECK: G_STORE [[INSERT_V8_7_1]]
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// Test widen scalar of G_UNMERGE_VALUES
TEST_F(AArch64GISelMITest, widenScalarUnmerge) {
setUp();
if (!TM)
return;
DefineLegalizerInfo(A, {});
LLT S96{LLT::scalar(96)};
LLT S64{LLT::scalar(64)};
LLT S48{LLT::scalar(48)};
auto Src = B.buildAnyExt(S96, Copies[0]);
auto Unmerge = B.buildUnmerge(S48, Src);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
B.setInsertPt(*EntryMBB, Unmerge->getIterator());
// This should create unmerges to a GCD type (S16), then remerge to S48
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.widenScalar(*Unmerge, 0, S64));
const auto *CheckStr = R"(
CHECK: [[COPY0:%[0-9]+]]:_(s64) = COPY
CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY
CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY
CHECK: [[ANYEXT:%[0-9]+]]:_(s96) = G_ANYEXT [[COPY0]]
CHECK: [[ANYEXT1:%[0-9]+]]:_(s192) = G_ANYEXT [[ANYEXT]]
CHECK: [[UNMERGE:%[0-9]+]]:_(s64), [[UNMERGE1:%[0-9]+]]:_(s64), [[UNMERGE2:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[ANYEXT1]]
CHECK: [[UNMERGE3:%[0-9]+]]:_(s16), [[UNMERGE4:%[0-9]+]]:_(s16), [[UNMERGE5:%[0-9]+]]:_(s16), [[UNMERGE6:%[0-9]+]]:_(s16) = G_UNMERGE_VALUES [[UNMERGE]]
CHECK: [[UNMERGE7:%[0-9]+]]:_(s16), [[UNMERGE8:%[0-9]+]]:_(s16), [[UNMERGE9:%[0-9]+]]:_(s16), [[UNMERGE10:%[0-9]+]]:_(s16) = G_UNMERGE_VALUES [[UNMERGE1]]
CHECK: [[UNMERGE11:%[0-9]+]]:_(s16), [[UNMERGE12:%[0-9]+]]:_(s16), [[UNMERGE13:%[0-9]+]]:_(s16), [[UNMERGE14:%[0-9]+]]:_(s16) = G_UNMERGE_VALUES [[UNMERGE2]]
CHECK: [[MERGE:%[0-9]+]]:_(s48) = G_MERGE_VALUES [[UNMERGE3]]:_(s16), [[UNMERGE4]]:_(s16), [[UNMERGE5]]:_(s16)
CHECK: [[MERGE1:%[0-9]+]]:_(s48) = G_MERGE_VALUES [[UNMERGE6]]:_(s16), [[UNMERGE7]]:_(s16), [[UNMERGE8]]:_(s16)
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// Test moreElements of G_SHUFFLE_VECTOR.
TEST_F(AArch64GISelMITest, moreElementsShuffle) {
setUp();
if (!TM)
return;
DefineLegalizerInfo(A, {});
LLT S64{LLT::scalar(64)};
LLT V6S64 = LLT::fixed_vector(6, S64);
auto V1 = B.buildBuildVector(V6S64, {Copies[0], Copies[1], Copies[0],
Copies[1], Copies[0], Copies[1]});
auto V2 = B.buildBuildVector(V6S64, {Copies[0], Copies[1], Copies[0],
Copies[1], Copies[0], Copies[1]});
auto Shuffle = B.buildShuffleVector(V6S64, V1, V2, {3, 4, 7, 0, 1, 11});
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
B.setInsertPt(*EntryMBB, Shuffle->getIterator());
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.moreElementsVector(*Shuffle, 0, LLT::fixed_vector(8, S64)));
const auto *CheckStr = R"(
CHECK: [[COPY0:%[0-9]+]]:_(s64) = COPY
CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY
CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY
CHECK: [[BV1:%[0-9]+]]:_(<6 x s64>) = G_BUILD_VECTOR
CHECK: [[BV2:%[0-9]+]]:_(<6 x s64>) = G_BUILD_VECTOR
CHECK: [[IMPDEF1:%[0-9]+]]:_(<8 x s64>) = G_IMPLICIT_DEF
CHECK: [[INSERT1:%[0-9]+]]:_(<8 x s64>) = G_INSERT [[IMPDEF1]]:_, [[BV1]]:_(<6 x s64>), 0
CHECK: [[IMPDEF2:%[0-9]+]]:_(<8 x s64>) = G_IMPLICIT_DEF
CHECK: [[INSERT2:%[0-9]+]]:_(<8 x s64>) = G_INSERT [[IMPDEF2]]:_, [[BV2]]:_(<6 x s64>), 0
CHECK: [[SHUF:%[0-9]+]]:_(<8 x s64>) = G_SHUFFLE_VECTOR [[INSERT1]]:_(<8 x s64>), [[INSERT2]]:_, shufflemask(3, 4, 9, 0, 1, 13, undef, undef)
CHECK: [[IMPDEF3:%[0-9]+]]:_(<8 x s64>) = G_IMPLICIT_DEF
CHECK: [[CONCAT:%[0-9]+]]:_(<24 x s64>) = G_CONCAT_VECTORS [[SHUF]]:_(<8 x s64>), [[IMPDEF3]]:_(<8 x s64>), [[IMPDEF3]]:_(<8 x s64>)
CHECK: [[UNMERGE:%[0-9]+]]:_(<6 x s64>), [[UNMERGE2:%[0-9]+]]:_(<6 x s64>), [[UNMERGE3:%[0-9]+]]:_(<6 x s64>), [[UNMERGE4:%[0-9]+]]:_(<6 x s64>) = G_UNMERGE_VALUES [[CONCAT]]:_(<24 x s64>)
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
// Test narror scalar of G_SHL with constant shift amount
TEST_F(AArch64GISelMITest, narrowScalarShiftByConstant) {
setUp();
if (!TM)
return;
DefineLegalizerInfo(A, {});
LLT S64{LLT::scalar(64)};
LLT S32{LLT::scalar(32)};
auto Constant = B.buildConstant(S64, 33);
auto Trunc = B.buildTrunc(S32, Constant);
auto Shift = B.buildShl(S64, Copies[0], Trunc);
AInfo Info(MF->getSubtarget());
DummyGISelObserver Observer;
LegalizerHelper Helper(*MF, Info, Observer, B);
// Perform Legalization
B.setInsertPt(*EntryMBB, Shift->getIterator());
// This should detect the G_CONSTANT feeding the G_SHL through a G_TRUNC
EXPECT_EQ(LegalizerHelper::LegalizeResult::Legalized,
Helper.narrowScalarShift(*Shift, 0, S32));
const auto *CheckStr = R"(
CHECK: [[COPY0:%[0-9]+]]:_(s64) = COPY
CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY
CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY
CHECK: [[THIRTY3:%[0-9]+]]:_(s64) = G_CONSTANT i64 33
CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC %4:_(s64)
CHECK: [[UNMERGE:%[0-9]+]]:_(s32), [[UNMERGE2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY0]]
CHECK: [[ZERO:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
CHECK: [[ONE:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
CHECK: [[SHIFT:%[0-9]+]]:_(s32) = G_SHL [[UNMERGE]]:_, [[ONE]]:_(s32)
CHECK: [[MERGE:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[ZERO]]:_(s32), [[SHIFT]]:_(s32)
)";
// Check
EXPECT_TRUE(CheckMachineFunction(*MF, CheckStr)) << *MF;
}
} // namespace