[GlobalISel] Rewrite CallLowering::lowerReturn to accept multiple VRegs per Value

This is logical continuation of https://reviews.llvm.org/D46018 (r332449)

Differential Revision: https://reviews.llvm.org/D49660

llvm-svn: 338685
This commit is contained in:
Alexander Ivchenko 2018-08-02 08:33:31 +00:00
parent add69e9c19
commit 49168f6778
16 changed files with 425 additions and 128 deletions

View File

@ -138,12 +138,12 @@ public:
virtual ~CallLowering() = default;
/// This hook must be implemented to lower outgoing return values, described
/// by \p Val, into the specified virtual register \p VReg.
/// by \p Val, into the specified virtual registers \p VRegs.
/// This hook is used by GlobalISel.
///
/// \return True if the lowering succeeds, false otherwise.
virtual bool lowerReturn(MachineIRBuilder &MIRBuilder,
const Value *Val, unsigned VReg) const {
virtual bool lowerReturn(MachineIRBuilder &MIRBuilder, const Value *Val,
ArrayRef<unsigned> VRegs) const {
return false;
}

View File

@ -323,14 +323,16 @@ bool IRTranslator::translateRet(const User &U, MachineIRBuilder &MIRBuilder) {
const Value *Ret = RI.getReturnValue();
if (Ret && DL->getTypeStoreSize(Ret->getType()) == 0)
Ret = nullptr;
ArrayRef<unsigned> VRegs;
if (Ret)
VRegs = getOrCreateVRegs(*Ret);
// The target may mess up with the insertion point, but
// this is not important as a return is the last instruction
// of the block anyway.
// FIXME: this interface should simplify when CallLowering gets adapted to
// multiple VRegs per Value.
unsigned VReg = Ret ? packRegs(*Ret, MIRBuilder) : 0;
return CLI->lowerReturn(MIRBuilder, Ret, VReg);
return CLI->lowerReturn(MIRBuilder, Ret, VRegs);
}
bool IRTranslator::translateBr(const User &U, MachineIRBuilder &MIRBuilder) {

View File

@ -227,32 +227,45 @@ void AArch64CallLowering::splitToValueTypes(
}
bool AArch64CallLowering::lowerReturn(MachineIRBuilder &MIRBuilder,
const Value *Val, unsigned VReg) const {
MachineFunction &MF = MIRBuilder.getMF();
const Function &F = MF.getFunction();
const Value *Val,
ArrayRef<unsigned> VRegs) const {
auto MIB = MIRBuilder.buildInstrNoInsert(AArch64::RET_ReallyLR);
assert(((Val && VReg) || (!Val && !VReg)) && "Return value without a vreg");
assert(((Val && !VRegs.empty()) || (!Val && VRegs.empty())) &&
"Return value without a vreg");
bool Success = true;
if (VReg) {
if (!VRegs.empty()) {
MachineFunction &MF = MIRBuilder.getMF();
const Function &F = MF.getFunction();
MachineRegisterInfo &MRI = MF.getRegInfo();
// We zero-extend i1s to i8.
if (MRI.getType(VReg).getSizeInBits() == 1)
VReg = MIRBuilder.buildZExt(LLT::scalar(8), VReg)->getOperand(0).getReg();
const AArch64TargetLowering &TLI = *getTLI<AArch64TargetLowering>();
CCAssignFn *AssignFn = TLI.CCAssignFnForReturn(F.getCallingConv());
auto &DL = F.getParent()->getDataLayout();
LLVMContext &Ctx = Val->getType()->getContext();
ArgInfo OrigArg{VReg, Val->getType()};
setArgFlags(OrigArg, AttributeList::ReturnIndex, DL, F);
SmallVector<EVT, 4> SplitEVTs;
ComputeValueVTs(TLI, DL, Val->getType(), SplitEVTs);
assert(VRegs.size() == SplitEVTs.size() &&
"For each split Type there should be exactly one VReg.");
SmallVector<ArgInfo, 8> SplitArgs;
splitToValueTypes(OrigArg, SplitArgs, DL, MRI, F.getCallingConv(),
[&](unsigned Reg, uint64_t Offset) {
MIRBuilder.buildExtract(Reg, VReg, Offset);
});
for (unsigned i = 0; i < SplitEVTs.size(); ++i) {
// We zero-extend i1s to i8.
unsigned CurVReg = VRegs[i];
if (MRI.getType(VRegs[i]).getSizeInBits() == 1) {
CurVReg = MIRBuilder.buildZExt(LLT::scalar(8), CurVReg)
->getOperand(0)
.getReg();
}
ArgInfo CurArgInfo = ArgInfo{CurVReg, SplitEVTs[i].getTypeForEVT(Ctx)};
setArgFlags(CurArgInfo, AttributeList::ReturnIndex, DL, F);
splitToValueTypes(CurArgInfo, SplitArgs, DL, MRI, F.getCallingConv(),
[&](unsigned Reg, uint64_t Offset) {
MIRBuilder.buildExtract(Reg, CurVReg, Offset);
});
}
OutgoingArgHandler Handler(MIRBuilder, MRI, MIB, AssignFn, AssignFn);
Success = handleAssignments(MIRBuilder, SplitArgs, Handler);

View File

@ -34,8 +34,8 @@ class AArch64CallLowering: public CallLowering {
public:
AArch64CallLowering(const AArch64TargetLowering &TLI);
bool lowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val,
unsigned VReg) const override;
bool lowerReturn(MachineIRBuilder &MIRBuilder, const Value *Val,
ArrayRef<unsigned> VRegs) const override;
bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,
ArrayRef<unsigned> VRegs) const override;

View File

@ -32,7 +32,8 @@ AMDGPUCallLowering::AMDGPUCallLowering(const AMDGPUTargetLowering &TLI)
}
bool AMDGPUCallLowering::lowerReturn(MachineIRBuilder &MIRBuilder,
const Value *Val, unsigned VReg) const {
const Value *Val,
ArrayRef<unsigned> VRegs) const {
// FIXME: Add support for non-void returns.
if (Val)
return false;

View File

@ -35,8 +35,8 @@ class AMDGPUCallLowering: public CallLowering {
public:
AMDGPUCallLowering(const AMDGPUTargetLowering &TLI);
bool lowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val,
unsigned VReg) const override;
bool lowerReturn(MachineIRBuilder &MIRBuilder, const Value *Val,
ArrayRef<unsigned> VRegs) const override;
bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,
ArrayRef<unsigned> VRegs) const override;
static CCAssignFn *CCAssignFnForCall(CallingConv::ID CC, bool IsVarArg);

View File

@ -237,7 +237,7 @@ void ARMCallLowering::splitToValueTypes(
/// Lower the return value for the already existing \p Ret. This assumes that
/// \p MIRBuilder's insertion point is correct.
bool ARMCallLowering::lowerReturnVal(MachineIRBuilder &MIRBuilder,
const Value *Val, unsigned VReg,
const Value *Val, ArrayRef<unsigned> VRegs,
MachineInstrBuilder &Ret) const {
if (!Val)
// Nothing to do here.
@ -251,16 +251,24 @@ bool ARMCallLowering::lowerReturnVal(MachineIRBuilder &MIRBuilder,
if (!isSupportedType(DL, TLI, Val->getType()))
return false;
SmallVector<ArgInfo, 4> SplitVTs;
SmallVector<unsigned, 4> Regs;
ArgInfo RetInfo(VReg, Val->getType());
setArgFlags(RetInfo, AttributeList::ReturnIndex, DL, F);
splitToValueTypes(RetInfo, SplitVTs, MF, [&](unsigned Reg, uint64_t Offset) {
Regs.push_back(Reg);
});
SmallVector<EVT, 4> SplitEVTs;
ComputeValueVTs(TLI, DL, Val->getType(), SplitEVTs);
assert(VRegs.size() == SplitEVTs.size() &&
"For each split Type there should be exactly one VReg.");
if (Regs.size() > 1)
MIRBuilder.buildUnmerge(Regs, VReg);
SmallVector<ArgInfo, 4> SplitVTs;
LLVMContext &Ctx = Val->getType()->getContext();
for (unsigned i = 0; i < SplitEVTs.size(); ++i) {
ArgInfo CurArgInfo(VRegs[i], SplitEVTs[i].getTypeForEVT(Ctx));
setArgFlags(CurArgInfo, AttributeList::ReturnIndex, DL, F);
SmallVector<unsigned, 4> Regs;
splitToValueTypes(
CurArgInfo, SplitVTs, MF,
[&](unsigned Reg, uint64_t Offset) { Regs.push_back(Reg); });
if (Regs.size() > 1)
MIRBuilder.buildUnmerge(Regs, VRegs[i]);
}
CCAssignFn *AssignFn =
TLI.CCAssignFnForReturn(F.getCallingConv(), F.isVarArg());
@ -270,14 +278,15 @@ bool ARMCallLowering::lowerReturnVal(MachineIRBuilder &MIRBuilder,
}
bool ARMCallLowering::lowerReturn(MachineIRBuilder &MIRBuilder,
const Value *Val, unsigned VReg) const {
assert(!Val == !VReg && "Return value without a vreg");
const Value *Val,
ArrayRef<unsigned> VRegs) const {
assert(!Val == VRegs.empty() && "Return value without a vreg");
auto const &ST = MIRBuilder.getMF().getSubtarget<ARMSubtarget>();
unsigned Opcode = ST.getReturnOpcode();
auto Ret = MIRBuilder.buildInstrNoInsert(Opcode).add(predOps(ARMCC::AL));
if (!lowerReturnVal(MIRBuilder, Val, VReg, Ret))
if (!lowerReturnVal(MIRBuilder, Val, VRegs, Ret))
return false;
MIRBuilder.insertInstr(Ret);

View File

@ -33,8 +33,8 @@ class ARMCallLowering : public CallLowering {
public:
ARMCallLowering(const ARMTargetLowering &TLI);
bool lowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val,
unsigned VReg) const override;
bool lowerReturn(MachineIRBuilder &MIRBuilder, const Value *Val,
ArrayRef<unsigned> VRegs) const override;
bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,
ArrayRef<unsigned> VRegs) const override;
@ -45,7 +45,8 @@ public:
private:
bool lowerReturnVal(MachineIRBuilder &MIRBuilder, const Value *Val,
unsigned VReg, MachineInstrBuilder &Ret) const;
ArrayRef<unsigned> VRegs,
MachineInstrBuilder &Ret) const;
using SplitArgTy = std::function<void(unsigned Reg, uint64_t Offset)>;

View File

@ -16,6 +16,7 @@
#include "MipsCallLowering.h"
#include "MipsCCState.h"
#include "MipsTargetMachine.h"
#include "llvm/CodeGen/Analysis.h"
#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
using namespace llvm;
@ -192,25 +193,34 @@ static bool isSupportedType(Type *T) {
}
bool MipsCallLowering::lowerReturn(MachineIRBuilder &MIRBuilder,
const Value *Val, unsigned VReg) const {
const Value *Val,
ArrayRef<unsigned> VRegs) const {
MachineInstrBuilder Ret = MIRBuilder.buildInstrNoInsert(Mips::RetRA);
if (Val != nullptr) {
if (!isSupportedType(Val->getType()))
return false;
if (Val != nullptr && !isSupportedType(Val->getType()))
return false;
if (!VRegs.empty()) {
MachineFunction &MF = MIRBuilder.getMF();
const Function &F = MF.getFunction();
const DataLayout &DL = MF.getDataLayout();
const MipsTargetLowering &TLI = *getTLI<MipsTargetLowering>();
LLVMContext &Ctx = Val->getType()->getContext();
SmallVector<EVT, 4> SplitEVTs;
ComputeValueVTs(TLI, DL, Val->getType(), SplitEVTs);
assert(VRegs.size() == SplitEVTs.size() &&
"For each split Type there should be exactly one VReg.");
SmallVector<ArgInfo, 8> RetInfos;
SmallVector<unsigned, 8> OrigArgIndices;
ArgInfo ArgRetInfo(VReg, Val->getType());
setArgFlags(ArgRetInfo, AttributeList::ReturnIndex, DL, F);
splitToValueTypes(ArgRetInfo, 0, RetInfos, OrigArgIndices);
for (unsigned i = 0; i < SplitEVTs.size(); ++i) {
ArgInfo CurArgInfo = ArgInfo{VRegs[i], SplitEVTs[i].getTypeForEVT(Ctx)};
setArgFlags(CurArgInfo, AttributeList::ReturnIndex, DL, F);
splitToValueTypes(CurArgInfo, 0, RetInfos, OrigArgIndices);
}
SmallVector<ISD::OutputArg, 8> Outs;
subTargetRegTypeForCallingConv(

View File

@ -50,8 +50,8 @@ public:
MipsCallLowering(const MipsTargetLowering &TLI);
bool lowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val,
unsigned VReg) const override;
bool lowerReturn(MachineIRBuilder &MIRBuilder, const Value *Val,
ArrayRef<unsigned> VRegs) const;
bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,
ArrayRef<unsigned> VRegs) const override;

View File

@ -65,10 +65,8 @@ bool X86CallLowering::splitToValueTypes(const ArgInfo &OrigArg,
SmallVector<uint64_t, 4> Offsets;
ComputeValueVTs(TLI, DL, OrigArg.Ty, SplitVTs, &Offsets, 0);
if (SplitVTs.size() != 1) {
// TODO: support struct/array split
return false;
}
if (OrigArg.Ty->isVoidTy())
return true;
EVT VT = SplitVTs[0];
unsigned NumParts = TLI.getNumRegisters(Context, VT);
@ -185,27 +183,36 @@ protected:
} // end anonymous namespace
bool X86CallLowering::lowerReturn(MachineIRBuilder &MIRBuilder,
const Value *Val, unsigned VReg) const {
assert(((Val && VReg) || (!Val && !VReg)) && "Return value without a vreg");
bool X86CallLowering::lowerReturn(
MachineIRBuilder &MIRBuilder, const Value *Val,
ArrayRef<unsigned> VRegs) const {
assert(((Val && !VRegs.empty()) || (!Val && VRegs.empty())) &&
"Return value without a vreg");
auto MIB = MIRBuilder.buildInstrNoInsert(X86::RET).addImm(0);
if (VReg) {
if (!VRegs.empty()) {
MachineFunction &MF = MIRBuilder.getMF();
const Function &F = MF.getFunction();
MachineRegisterInfo &MRI = MF.getRegInfo();
auto &DL = MF.getDataLayout();
const Function &F = MF.getFunction();
LLVMContext &Ctx = Val->getType()->getContext();
const X86TargetLowering &TLI = *getTLI<X86TargetLowering>();
ArgInfo OrigArg{VReg, Val->getType()};
setArgFlags(OrigArg, AttributeList::ReturnIndex, DL, F);
SmallVector<EVT, 4> SplitEVTs;
ComputeValueVTs(TLI, DL, Val->getType(), SplitEVTs);
assert(VRegs.size() == SplitEVTs.size() &&
"For each split Type there should be exactly one VReg.");
SmallVector<ArgInfo, 8> SplitArgs;
if (!splitToValueTypes(OrigArg, SplitArgs, DL, MRI,
[&](ArrayRef<unsigned> Regs) {
MIRBuilder.buildUnmerge(Regs, VReg);
}))
return false;
for (unsigned i = 0; i < SplitEVTs.size(); ++i) {
ArgInfo CurArgInfo = ArgInfo{VRegs[i], SplitEVTs[i].getTypeForEVT(Ctx)};
setArgFlags(CurArgInfo, AttributeList::ReturnIndex, DL, F);
if (!splitToValueTypes(CurArgInfo, SplitArgs, DL, MRI,
[&](ArrayRef<unsigned> Regs) {
MIRBuilder.buildUnmerge(Regs, VRegs[i]);
}))
return false;
}
OutgoingValueHandler Handler(MIRBuilder, MRI, MIB, RetCC_X86);
if (!handleAssignments(MIRBuilder, SplitArgs, Handler))

View File

@ -29,8 +29,8 @@ class X86CallLowering : public CallLowering {
public:
X86CallLowering(const X86TargetLowering &TLI);
bool lowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val,
unsigned VReg) const override;
bool lowerReturn(MachineIRBuilder &MIRBuilder, const Value *Val,
ArrayRef<unsigned> VRegs) const override;
bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,
ArrayRef<unsigned> VRegs) const override;

View File

@ -97,18 +97,10 @@ define void @test_struct_formal({double, i64, i8} %in, {double, i64, i8}* %addr)
; CHECK: [[CST2:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
; CHECK: [[GEP2:%[0-9]+]]:_(p0) = G_GEP [[ADDR]], [[CST2]](s64)
; CHECK: [[LD3:%[0-9]+]]:_(s32) = G_LOAD [[GEP2]](p0) :: (load 4 from %ir.addr + 16, align 8)
; CHECK: [[IMPDEF:%[0-9]+]]:_(s192) = G_IMPLICIT_DEF
; CHECK: [[INS1:%[0-9]+]]:_(s192) = G_INSERT [[IMPDEF]], [[LD1]](s64), 0
; CHECK: [[INS2:%[0-9]+]]:_(s192) = G_INSERT [[INS1]], [[LD2]](s64), 64
; CHECK: [[VAL:%[0-9]+]]:_(s192) = G_INSERT [[INS2]], [[LD3]](s32), 128
; CHECK: [[DBL:%[0-9]+]]:_(s64) = G_EXTRACT [[VAL]](s192), 0
; CHECK: [[I64:%[0-9]+]]:_(s64) = G_EXTRACT [[VAL]](s192), 64
; CHECK: [[I32:%[0-9]+]]:_(s32) = G_EXTRACT [[VAL]](s192), 128
; CHECK: $d0 = COPY [[DBL]](s64)
; CHECK: $x0 = COPY [[I64]](s64)
; CHECK: $w1 = COPY [[I32]](s32)
; CHECK: $d0 = COPY [[LD1]](s64)
; CHECK: $x0 = COPY [[LD2]](s64)
; CHECK: $w1 = COPY [[LD3]](s32)
; CHECK: RET_ReallyLR implicit $d0, implicit $x0, implicit $w1
define {double, i64, i32} @test_struct_return({double, i64, i32}* %addr) {
%val = load {double, i64, i32}, {double, i64, i32}* %addr

View File

@ -19,20 +19,15 @@ declare i32 @llvm.eh.typeid.for(i8*)
; CHECK: [[BAD]].{{[a-z]+}} (landing-pad):
; CHECK: EH_LABEL
; CHECK: [[PTR:%[0-9]+]]:_(p0) = COPY $x0
; CHECK: [[PTR_RET:%[0-9]+]]:_(p0) = COPY $x0
; CHECK: [[SEL_PTR:%[0-9]+]]:_(p0) = COPY $x1
; CHECK: [[SEL:%[0-9]+]]:_(s32) = G_PTRTOINT [[SEL_PTR]]
; CHECK: [[UNDEF:%[0-9]+]]:_(s128) = G_IMPLICIT_DEF
; CHECK: [[VAL_WITH_PTR:%[0-9]+]]:_(s128) = G_INSERT [[UNDEF]], [[PTR]](p0), 0
; CHECK: [[PTR_SEL:%[0-9]+]]:_(s128) = G_INSERT [[VAL_WITH_PTR]], [[SEL]](s32), 64
; CHECK: [[PTR_RET:%[0-9]+]]:_(s64) = G_EXTRACT [[PTR_SEL]](s128), 0
; CHECK: [[SEL_RET:%[0-9]+]]:_(s32) = G_EXTRACT [[PTR_SEL]](s128), 64
; CHECK: [[SEL_RET:%[0-9]+]]:_(s32) = G_PTRTOINT [[SEL_PTR]]
; CHECK: $x0 = COPY [[PTR_RET]]
; CHECK: $w1 = COPY [[SEL_RET]]
; CHECK: [[GOOD]].{{[a-z]+}}:
; CHECK: [[SEL:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK: {{%[0-9]+}}:_(s128) = G_INSERT {{%[0-9]+}}, [[SEL]](s32), 64
; CHECK: $w1 = COPY [[SEL]]
define { i8*, i32 } @bar() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
%res32 = invoke i32 @foo(i32 42) to label %continue unwind label %broken

View File

@ -209,17 +209,12 @@ define arm_aapcscc [3 x i32] @test_tiny_int_arrays([2 x i32] %arr) {
; CHECK: [[EXT3:%[0-9]+]]:_(s32) = G_EXTRACT [[RES_ARR]](s96), 0
; CHECK: [[EXT4:%[0-9]+]]:_(s32) = G_EXTRACT [[RES_ARR]](s96), 32
; CHECK: [[EXT5:%[0-9]+]]:_(s32) = G_EXTRACT [[RES_ARR]](s96), 64
; CHECK: [[IMPDEF2:%[0-9]+]]:_(s96) = G_IMPLICIT_DEF
; CHECK: [[INS3:%[0-9]+]]:_(s96) = G_INSERT [[IMPDEF2]], [[EXT3]](s32), 0
; CHECK: [[INS4:%[0-9]+]]:_(s96) = G_INSERT [[INS3]], [[EXT4]](s32), 32
; CHECK: [[INS5:%[0-9]+]]:_(s96) = G_INSERT [[INS4]], [[EXT5]](s32), 64
; CHECK: [[R0:%[0-9]+]]:_(s32), [[R1:%[0-9]+]]:_(s32), [[R2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[INS5]](s96)
; FIXME: This doesn't seem correct with regard to the AAPCS docs (which say
; that composite types larger than 4 bytes should be passed through memory),
; but it's what DAGISel does. We should fix it in the common code for both.
; CHECK: $r0 = COPY [[R0]]
; CHECK: $r1 = COPY [[R1]]
; CHECK: $r2 = COPY [[R2]]
; CHECK: $r0 = COPY [[EXT3]]
; CHECK: $r1 = COPY [[EXT4]]
; CHECK: $r2 = COPY [[EXT5]]
; CHECK: BX_RET 14, $noreg, implicit $r0, implicit $r1, implicit $r2
entry:
%r = notail call arm_aapcscc [3 x i32] @tiny_int_arrays_target([2 x i32] %arr)
@ -354,12 +349,8 @@ define arm_aapcscc [2 x float] @test_fp_arrays_aapcs([3 x double] %arr) {
; CHECK: ADJCALLSTACKUP 8, 0, 14, $noreg, implicit-def $sp, implicit $sp
; CHECK: [[EXT4:%[0-9]+]]:_(s32) = G_EXTRACT [[R_MERGED]](s64), 0
; CHECK: [[EXT5:%[0-9]+]]:_(s32) = G_EXTRACT [[R_MERGED]](s64), 32
; CHECK: [[IMPDEF2:%[0-9]+]]:_(s64) = G_IMPLICIT_DEF
; CHECK: [[INS4:%[0-9]+]]:_(s64) = G_INSERT [[IMPDEF2]], [[EXT4]](s32), 0
; CHECK: [[INS5:%[0-9]+]]:_(s64) = G_INSERT [[INS4]], [[EXT5]](s32), 32
; CHECK: [[R0:%[0-9]+]]:_(s32), [[R1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[INS5]](s64)
; CHECK: $r0 = COPY [[R0]]
; CHECK: $r1 = COPY [[R1]]
; CHECK: $r0 = COPY [[EXT4]]
; CHECK: $r1 = COPY [[EXT5]]
; CHECK: BX_RET 14, $noreg, implicit $r0, implicit $r1
entry:
%r = notail call arm_aapcscc [2 x float] @fp_arrays_aapcs_target([3 x double] %arr)
@ -453,16 +444,10 @@ define arm_aapcs_vfpcc [4 x float] @test_fp_arrays_aapcs_vfp([3 x double] %x, [3
; CHECK: [[EXT12:%[0-9]+]]:_(s32) = G_EXTRACT [[R_MERGED]](s128), 32
; CHECK: [[EXT13:%[0-9]+]]:_(s32) = G_EXTRACT [[R_MERGED]](s128), 64
; CHECK: [[EXT14:%[0-9]+]]:_(s32) = G_EXTRACT [[R_MERGED]](s128), 96
; CHECK: [[IMPDEF4:%[0-9]+]]:_(s128) = G_IMPLICIT_DEF
; CHECK: [[INS11:%[0-9]+]]:_(s128) = G_INSERT [[IMPDEF4]], [[EXT11]](s32), 0
; CHECK: [[INS12:%[0-9]+]]:_(s128) = G_INSERT [[INS11]], [[EXT12]](s32), 32
; CHECK: [[INS13:%[0-9]+]]:_(s128) = G_INSERT [[INS12]], [[EXT13]](s32), 64
; CHECK: [[INS14:%[0-9]+]]:_(s128) = G_INSERT [[INS13]], [[EXT14]](s32), 96
; CHECK: [[R0:%[0-9]+]]:_(s32), [[R1:%[0-9]+]]:_(s32), [[R2:%[0-9]+]]:_(s32), [[R3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[INS14]](s128)
; CHECK: $s0 = COPY [[R0]]
; CHECK: $s1 = COPY [[R1]]
; CHECK: $s2 = COPY [[R2]]
; CHECK: $s3 = COPY [[R3]]
; CHECK: $s0 = COPY [[EXT11]]
; CHECK: $s1 = COPY [[EXT12]]
; CHECK: $s2 = COPY [[EXT13]]
; CHECK: $s3 = COPY [[EXT14]]
; CHECK: BX_RET 14, $noreg, implicit $s0, implicit $s1, implicit $s2, implicit $s3
entry:
%r = notail call arm_aapcs_vfpcc [4 x float] @fp_arrays_aapcs_vfp_target([3 x double] %x, [3 x float] %y, [4 x double] %z)
@ -512,12 +497,8 @@ define arm_aapcscc [2 x i32*] @test_tough_arrays([6 x [4 x i32]] %arr) {
; CHECK: ADJCALLSTACKUP 80, 0, 14, $noreg, implicit-def $sp, implicit $sp
; CHECK: [[EXT1:%[0-9]+]]:_(p0) = G_EXTRACT [[RES_ARR]](s64), 0
; CHECK: [[EXT2:%[0-9]+]]:_(p0) = G_EXTRACT [[RES_ARR]](s64), 32
; CHECK: [[IMPDEF:%[0-9]+]]:_(s64) = G_IMPLICIT_DEF
; CHECK: [[INS2:%[0-9]+]]:_(s64) = G_INSERT [[IMPDEF]], [[EXT1]](p0), 0
; CHECK: [[INS3:%[0-9]+]]:_(s64) = G_INSERT [[INS2]], [[EXT2]](p0), 32
; CHECK: [[R0:%[0-9]+]]:_(s32), [[R1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[INS3]](s64)
; CHECK: $r0 = COPY [[R0]]
; CHECK: $r1 = COPY [[R1]]
; CHECK: $r0 = COPY [[EXT1]]
; CHECK: $r1 = COPY [[EXT2]]
; CHECK: BX_RET 14, $noreg, implicit $r0, implicit $r1
entry:
%r = notail call arm_aapcscc [2 x i32*] @tough_arrays_target([6 x [4 x i32]] %arr)
@ -548,12 +529,8 @@ define arm_aapcscc {i32, i32} @test_structs({i32, i32} %x) {
; CHECK: ADJCALLSTACKUP 0, 0, 14, $noreg, implicit-def $sp, implicit $sp
; CHECK: [[EXT3:%[0-9]+]]:_(s32) = G_EXTRACT [[R]](s64), 0
; CHECK: [[EXT4:%[0-9]+]]:_(s32) = G_EXTRACT [[R]](s64), 32
; CHECK: [[IMPDEF2:%[0-9]+]]:_(s64) = G_IMPLICIT_DEF
; CHECK: [[INS3:%[0-9]+]]:_(s64) = G_INSERT [[IMPDEF2]], [[EXT3]](s32), 0
; CHECK: [[INS4:%[0-9]+]]:_(s64) = G_INSERT [[INS3]], [[EXT4]](s32), 32
; CHECK: [[R0:%[0-9]+]]:_(s32), [[R1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[INS4]](s64)
; CHECK: $r0 = COPY [[R0]](s32)
; CHECK: $r1 = COPY [[R1]](s32)
; CHECK: $r0 = COPY [[EXT3]](s32)
; CHECK: $r1 = COPY [[EXT4]](s32)
; CHECK: BX_RET 14, $noreg, implicit $r0, implicit $r1
%r = notail call arm_aapcscc {i32, i32} @structs_target({i32, i32} %x)
ret {i32, i32} %r

View File

@ -0,0 +1,290 @@
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
; RUN: llc -mtriple=x86_64-linux-gnu -global-isel -stop-after=irtranslator < %s -o - | FileCheck %s --check-prefix=ALL
%struct.f1 = type { float }
%struct.d1 = type { double }
%struct.d2 = type { double, double }
%struct.i1 = type { i32 }
%struct.i2 = type { i32, i32 }
%struct.i3 = type { i32, i32, i32 }
%struct.i4 = type { i32, i32, i32, i32 }
define float @test_return_f1(float %f.coerce) {
; ALL-LABEL: name: test_return_f1
; ALL: bb.1.entry:
; ALL: liveins: $xmm0
; ALL: [[COPY:%[0-9]+]]:_(s128) = COPY $xmm0
; ALL: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s128)
; ALL: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
; ALL: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.retval
; ALL: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.1.f
; ALL: G_STORE [[TRUNC]](s32), [[FRAME_INDEX1]](p0) :: (store 4 into %ir.coerce.dive2)
; ALL: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
; ALL: $rdi = COPY [[FRAME_INDEX]](p0)
; ALL: $rsi = COPY [[FRAME_INDEX1]](p0)
; ALL: $rdx = COPY [[C]](s64)
; ALL: CALL64pcrel32 &memcpy, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit $rdx
; ALL: ADJCALLSTACKUP64 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
; ALL: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[FRAME_INDEX]](p0) :: (load 4 from %ir.coerce.dive13)
; ALL: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT [[LOAD]](s32)
; ALL: $xmm0 = COPY [[ANYEXT]](s128)
; ALL: RET 0, implicit $xmm0
entry:
%retval = alloca %struct.f1, align 4
%f = alloca %struct.f1, align 4
%coerce.dive = getelementptr inbounds %struct.f1, %struct.f1* %f, i32 0, i32 0
store float %f.coerce, float* %coerce.dive, align 4
%0 = bitcast %struct.f1* %retval to i8*
%1 = bitcast %struct.f1* %f to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %0, i8* align 4 %1, i64 4, i1 false)
%coerce.dive1 = getelementptr inbounds %struct.f1, %struct.f1* %retval, i32 0, i32 0
%2 = load float, float* %coerce.dive1, align 4
ret float %2
}
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) #1
define double @test_return_d1(double %d.coerce) {
; ALL-LABEL: name: test_return_d1
; ALL: bb.1.entry:
; ALL: liveins: $xmm0
; ALL: [[COPY:%[0-9]+]]:_(s128) = COPY $xmm0
; ALL: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s128)
; ALL: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
; ALL: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.retval
; ALL: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.1.d
; ALL: G_STORE [[TRUNC]](s64), [[FRAME_INDEX1]](p0) :: (store 8 into %ir.coerce.dive2)
; ALL: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
; ALL: $rdi = COPY [[FRAME_INDEX]](p0)
; ALL: $rsi = COPY [[FRAME_INDEX1]](p0)
; ALL: $rdx = COPY [[C]](s64)
; ALL: CALL64pcrel32 &memcpy, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit $rdx
; ALL: ADJCALLSTACKUP64 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
; ALL: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[FRAME_INDEX]](p0) :: (load 8 from %ir.coerce.dive13)
; ALL: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT [[LOAD]](s64)
; ALL: $xmm0 = COPY [[ANYEXT]](s128)
; ALL: RET 0, implicit $xmm0
entry:
%retval = alloca %struct.d1, align 8
%d = alloca %struct.d1, align 8
%coerce.dive = getelementptr inbounds %struct.d1, %struct.d1* %d, i32 0, i32 0
store double %d.coerce, double* %coerce.dive, align 8
%0 = bitcast %struct.d1* %retval to i8*
%1 = bitcast %struct.d1* %d to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %0, i8* align 8 %1, i64 8, i1 false)
%coerce.dive1 = getelementptr inbounds %struct.d1, %struct.d1* %retval, i32 0, i32 0
%2 = load double, double* %coerce.dive1, align 8
ret double %2
}
define { double, double } @test_return_d2(double %d.coerce0, double %d.coerce1) {
; ALL-LABEL: name: test_return_d2
; ALL: bb.1.entry:
; ALL: liveins: $xmm0, $xmm1
; ALL: [[COPY:%[0-9]+]]:_(s128) = COPY $xmm0
; ALL: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s128)
; ALL: [[COPY1:%[0-9]+]]:_(s128) = COPY $xmm1
; ALL: [[TRUNC1:%[0-9]+]]:_(s64) = G_TRUNC [[COPY1]](s128)
; ALL: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
; ALL: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
; ALL: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.retval
; ALL: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.1.d
; ALL: G_STORE [[TRUNC]](s64), [[FRAME_INDEX1]](p0) :: (store 8 into %ir.1)
; ALL: [[GEP:%[0-9]+]]:_(p0) = G_GEP [[FRAME_INDEX1]], [[C]](s64)
; ALL: G_STORE [[TRUNC1]](s64), [[GEP]](p0) :: (store 8 into %ir.2)
; ALL: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
; ALL: $rdi = COPY [[FRAME_INDEX]](p0)
; ALL: $rsi = COPY [[FRAME_INDEX1]](p0)
; ALL: $rdx = COPY [[C1]](s64)
; ALL: CALL64pcrel32 &memcpy, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit $rdx
; ALL: ADJCALLSTACKUP64 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
; ALL: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[FRAME_INDEX]](p0) :: (load 8 from %ir.5)
; ALL: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
; ALL: [[GEP1:%[0-9]+]]:_(p0) = G_GEP [[FRAME_INDEX]], [[C2]](s64)
; ALL: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[GEP1]](p0) :: (load 8 from %ir.5 + 8)
; ALL: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT [[LOAD]](s64)
; ALL: $xmm0 = COPY [[ANYEXT]](s128)
; ALL: [[ANYEXT1:%[0-9]+]]:_(s128) = G_ANYEXT [[LOAD1]](s64)
; ALL: $xmm1 = COPY [[ANYEXT1]](s128)
; ALL: RET 0, implicit $xmm0, implicit $xmm1
entry:
%retval = alloca %struct.d2, align 8
%d = alloca %struct.d2, align 8
%0 = bitcast %struct.d2* %d to { double, double }*
%1 = getelementptr inbounds { double, double }, { double, double }* %0, i32 0, i32 0
store double %d.coerce0, double* %1, align 8
%2 = getelementptr inbounds { double, double }, { double, double }* %0, i32 0, i32 1
store double %d.coerce1, double* %2, align 8
%3 = bitcast %struct.d2* %retval to i8*
%4 = bitcast %struct.d2* %d to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %3, i8* align 8 %4, i64 16, i1 false)
%5 = bitcast %struct.d2* %retval to { double, double }*
%6 = load { double, double }, { double, double }* %5, align 8
ret { double, double } %6
}
define i32 @test_return_i1(i32 %i.coerce) {
; ALL-LABEL: name: test_return_i1
; ALL: bb.1.entry:
; ALL: liveins: $edi
; ALL: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
; ALL: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
; ALL: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.retval
; ALL: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.1.i
; ALL: G_STORE [[COPY]](s32), [[FRAME_INDEX1]](p0) :: (store 4 into %ir.coerce.dive2)
; ALL: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
; ALL: $rdi = COPY [[FRAME_INDEX]](p0)
; ALL: $rsi = COPY [[FRAME_INDEX1]](p0)
; ALL: $rdx = COPY [[C]](s64)
; ALL: CALL64pcrel32 &memcpy, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit $rdx
; ALL: ADJCALLSTACKUP64 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
; ALL: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[FRAME_INDEX]](p0) :: (load 4 from %ir.coerce.dive13)
; ALL: $eax = COPY [[LOAD]](s32)
; ALL: RET 0, implicit $eax
entry:
%retval = alloca %struct.i1, align 4
%i = alloca %struct.i1, align 4
%coerce.dive = getelementptr inbounds %struct.i1, %struct.i1* %i, i32 0, i32 0
store i32 %i.coerce, i32* %coerce.dive, align 4
%0 = bitcast %struct.i1* %retval to i8*
%1 = bitcast %struct.i1* %i to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %0, i8* align 4 %1, i64 4, i1 false)
%coerce.dive1 = getelementptr inbounds %struct.i1, %struct.i1* %retval, i32 0, i32 0
%2 = load i32, i32* %coerce.dive1, align 4
ret i32 %2
}
define i64 @test_return_i2(i64 %i.coerce) {
; ALL-LABEL: name: test_return_i2
; ALL: bb.1.entry:
; ALL: liveins: $rdi
; ALL: [[COPY:%[0-9]+]]:_(s64) = COPY $rdi
; ALL: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
; ALL: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.retval
; ALL: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.1.i
; ALL: G_STORE [[COPY]](s64), [[FRAME_INDEX1]](p0) :: (store 8 into %ir.0, align 4)
; ALL: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
; ALL: $rdi = COPY [[FRAME_INDEX]](p0)
; ALL: $rsi = COPY [[FRAME_INDEX1]](p0)
; ALL: $rdx = COPY [[C]](s64)
; ALL: CALL64pcrel32 &memcpy, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit $rdx
; ALL: ADJCALLSTACKUP64 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
; ALL: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[FRAME_INDEX]](p0) :: (load 8 from %ir.3, align 4)
; ALL: $rax = COPY [[LOAD]](s64)
; ALL: RET 0, implicit $rax
entry:
%retval = alloca %struct.i2, align 4
%i = alloca %struct.i2, align 4
%0 = bitcast %struct.i2* %i to i64*
store i64 %i.coerce, i64* %0, align 4
%1 = bitcast %struct.i2* %retval to i8*
%2 = bitcast %struct.i2* %i to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %1, i8* align 4 %2, i64 8, i1 false)
%3 = bitcast %struct.i2* %retval to i64*
%4 = load i64, i64* %3, align 4
ret i64 %4
}
define { i64, i32 } @test_return_i3(i64 %i.coerce0, i32 %i.coerce1) {
; ALL-LABEL: name: test_return_i3
; ALL: bb.1.entry:
; ALL: liveins: $esi, $rdi
; ALL: [[COPY:%[0-9]+]]:_(s64) = COPY $rdi
; ALL: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
; ALL: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
; ALL: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
; ALL: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.retval
; ALL: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.1.i
; ALL: [[FRAME_INDEX2:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.2.coerce
; ALL: [[FRAME_INDEX3:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.3.tmp
; ALL: G_STORE [[COPY]](s64), [[FRAME_INDEX2]](p0) :: (store 8 into %ir.0, align 4)
; ALL: [[GEP:%[0-9]+]]:_(p0) = G_GEP [[FRAME_INDEX2]], [[C]](s64)
; ALL: G_STORE [[COPY1]](s32), [[GEP]](p0) :: (store 4 into %ir.1)
; ALL: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
; ALL: $rdi = COPY [[FRAME_INDEX1]](p0)
; ALL: $rsi = COPY [[FRAME_INDEX2]](p0)
; ALL: $rdx = COPY [[C1]](s64)
; ALL: CALL64pcrel32 &memcpy, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit $rdx
; ALL: ADJCALLSTACKUP64 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
; ALL: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
; ALL: $rdi = COPY [[FRAME_INDEX]](p0)
; ALL: $rsi = COPY [[FRAME_INDEX1]](p0)
; ALL: $rdx = COPY [[C1]](s64)
; ALL: CALL64pcrel32 &memcpy, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit $rdx
; ALL: ADJCALLSTACKUP64 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
; ALL: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
; ALL: $rdi = COPY [[FRAME_INDEX3]](p0)
; ALL: $rsi = COPY [[FRAME_INDEX]](p0)
; ALL: $rdx = COPY [[C1]](s64)
; ALL: CALL64pcrel32 &memcpy, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit $rdx
; ALL: ADJCALLSTACKUP64 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
; ALL: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[FRAME_INDEX3]](p0) :: (load 8 from %ir.tmp)
; ALL: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
; ALL: [[GEP1:%[0-9]+]]:_(p0) = G_GEP [[FRAME_INDEX3]], [[C2]](s64)
; ALL: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[GEP1]](p0) :: (load 4 from %ir.tmp + 8, align 8)
; ALL: $rax = COPY [[LOAD]](s64)
; ALL: $edx = COPY [[LOAD1]](s32)
; ALL: RET 0, implicit $rax, implicit $edx
entry:
%retval = alloca %struct.i3, align 4
%i = alloca %struct.i3, align 4
%coerce = alloca { i64, i32 }, align 4
%tmp = alloca { i64, i32 }, align 8
%0 = getelementptr inbounds { i64, i32 }, { i64, i32 }* %coerce, i32 0, i32 0
store i64 %i.coerce0, i64* %0, align 4
%1 = getelementptr inbounds { i64, i32 }, { i64, i32 }* %coerce, i32 0, i32 1
store i32 %i.coerce1, i32* %1, align 4
%2 = bitcast %struct.i3* %i to i8*
%3 = bitcast { i64, i32 }* %coerce to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %2, i8* align 4 %3, i64 12, i1 false)
%4 = bitcast %struct.i3* %retval to i8*
%5 = bitcast %struct.i3* %i to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %4, i8* align 4 %5, i64 12, i1 false)
%6 = bitcast { i64, i32 }* %tmp to i8*
%7 = bitcast %struct.i3* %retval to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %6, i8* align 4 %7, i64 12, i1 false)
%8 = load { i64, i32 }, { i64, i32 }* %tmp, align 8
ret { i64, i32 } %8
}
define { i64, i64 } @test_return_i4(i64 %i.coerce0, i64 %i.coerce1) {
; ALL-LABEL: name: test_return_i4
; ALL: bb.1.entry:
; ALL: liveins: $rdi, $rsi
; ALL: [[COPY:%[0-9]+]]:_(s64) = COPY $rdi
; ALL: [[COPY1:%[0-9]+]]:_(s64) = COPY $rsi
; ALL: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
; ALL: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
; ALL: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.retval
; ALL: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.1.i
; ALL: G_STORE [[COPY]](s64), [[FRAME_INDEX1]](p0) :: (store 8 into %ir.1, align 4)
; ALL: [[GEP:%[0-9]+]]:_(p0) = G_GEP [[FRAME_INDEX1]], [[C]](s64)
; ALL: G_STORE [[COPY1]](s64), [[GEP]](p0) :: (store 8 into %ir.2, align 4)
; ALL: ADJCALLSTACKDOWN64 0, 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
; ALL: $rdi = COPY [[FRAME_INDEX]](p0)
; ALL: $rsi = COPY [[FRAME_INDEX1]](p0)
; ALL: $rdx = COPY [[C1]](s64)
; ALL: CALL64pcrel32 &memcpy, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit $rdx
; ALL: ADJCALLSTACKUP64 0, 0, implicit-def $rsp, implicit-def $eflags, implicit-def $ssp, implicit $rsp, implicit $ssp
; ALL: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[FRAME_INDEX]](p0) :: (load 8 from %ir.5, align 4)
; ALL: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
; ALL: [[GEP1:%[0-9]+]]:_(p0) = G_GEP [[FRAME_INDEX]], [[C2]](s64)
; ALL: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[GEP1]](p0) :: (load 8 from %ir.5 + 8, align 4)
; ALL: $rax = COPY [[LOAD]](s64)
; ALL: $rdx = COPY [[LOAD1]](s64)
; ALL: RET 0, implicit $rax, implicit $rdx
entry:
%retval = alloca %struct.i4, align 4
%i = alloca %struct.i4, align 4
%0 = bitcast %struct.i4* %i to { i64, i64 }*
%1 = getelementptr inbounds { i64, i64 }, { i64, i64 }* %0, i32 0, i32 0
store i64 %i.coerce0, i64* %1, align 4
%2 = getelementptr inbounds { i64, i64 }, { i64, i64 }* %0, i32 0, i32 1
store i64 %i.coerce1, i64* %2, align 4
%3 = bitcast %struct.i4* %retval to i8*
%4 = bitcast %struct.i4* %i to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %3, i8* align 4 %4, i64 16, i1 false)
%5 = bitcast %struct.i4* %retval to { i64, i64 }*
%6 = load { i64, i64 }, { i64, i64 }* %5, align 4
ret { i64, i64 } %6
}