[ARM GlobalISel] Allow simple binary ops in Thumb2

Mark G_ADD, G_SUB, G_MUL, G_AND, G_OR and G_XOR as legal for both ARM
and Thumb2.

Extract the legalizer tests for these opcodes into another file.

Add tests for the instruction selector.

llvm-svn: 349142
This commit is contained in:
Diana Picus 2018-12-14 11:58:14 +00:00
parent 80391d6360
commit 14dc3b2959
4 changed files with 700 additions and 562 deletions

View File

@ -85,6 +85,10 @@ ARMLegalizerInfo::ARMLegalizerInfo(const ARMSubtarget &ST) {
getActionDefinitionsBuilder({G_SEXT, G_ZEXT, G_ANYEXT})
.legalForCartesianProduct({s32}, {s1, s8, s16});
getActionDefinitionsBuilder({G_ADD, G_SUB, G_MUL, G_AND, G_OR, G_XOR})
.legalFor({s32})
.minScalar(0, s32);
// We're keeping these builders around because we'll want to add support for
// floating point to them.
auto &LoadStoreBuilder =
@ -106,10 +110,6 @@ ARMLegalizerInfo::ARMLegalizerInfo(const ARMSubtarget &ST) {
getActionDefinitionsBuilder(G_GLOBAL_VALUE).legalFor({p0});
getActionDefinitionsBuilder(G_FRAME_INDEX).legalFor({p0});
getActionDefinitionsBuilder({G_ADD, G_SUB, G_MUL, G_AND, G_OR, G_XOR})
.legalFor({s32})
.minScalar(0, s32);
if (ST.hasDivideInARMMode())
getActionDefinitionsBuilder({G_SDIV, G_UDIV})
.legalFor({s32})

View File

@ -0,0 +1,561 @@
# RUN: llc -mtriple arm-- -run-pass=legalizer %s -o - | FileCheck %s
# RUN: llc -mtriple thumb-- -mattr=+v6t2 -run-pass=legalizer %s -o - | FileCheck %s
--- |
define void @test_add_s8() { ret void }
define void @test_add_s16() { ret void }
define void @test_add_s32() { ret void }
define void @test_sub_s8() { ret void }
define void @test_sub_s16() { ret void }
define void @test_sub_s32() { ret void }
define void @test_mul_s8() { ret void }
define void @test_mul_s16() { ret void }
define void @test_mul_s32() { ret void }
define void @test_and_s8() { ret void }
define void @test_and_s16() { ret void }
define void @test_and_s32() { ret void }
define void @test_or_s8() { ret void }
define void @test_or_s16() { ret void }
define void @test_or_s32() { ret void }
define void @test_xor_s8() { ret void }
define void @test_xor_s16() { ret void }
define void @test_xor_s32() { ret void }
...
---
name: test_add_s8
# CHECK-LABEL: name: test_add_s8
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s8) = G_LOAD %0 :: (load 1)
%2(p0) = COPY $r0
%3(s8) = G_LOAD %2 :: (load 1)
%4(s8) = G_ADD %1, %3
; G_ADD with s8 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_ADD {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_ADD {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_ADD {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s8)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_add_s16
# CHECK-LABEL: name: test_add_s16
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s16) = G_LOAD %0 :: (load 2)
%2(p0) = COPY $r0
%3(s16) = G_LOAD %2 :: (load 2)
%4(s16) = G_ADD %1, %3
; G_ADD with s16 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_ADD {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_ADD {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_ADD {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s16)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_add_s32
# CHECK-LABEL: name: test_add_s32
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(s32) = COPY $r0
%1(s32) = COPY $r1
%2(s32) = G_ADD %0, %1
; G_ADD with s32 is legal, so we should find it unchanged in the output
; CHECK: {{%[0-9]+}}:_(s32) = G_ADD {{%[0-9]+, %[0-9]+}}
$r0 = COPY %2(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_sub_s8
# CHECK-LABEL: name: test_sub_s8
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s8) = G_LOAD %0 :: (load 1)
%2(p0) = COPY $r0
%3(s8) = G_LOAD %2 :: (load 1)
%4(s8) = G_SUB %1, %3
; G_SUB with s8 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_SUB {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_SUB {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_SUB {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s8)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_sub_s16
# CHECK-LABEL: name: test_sub_s16
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s16) = G_LOAD %0 :: (load 2)
%2(p0) = COPY $r0
%3(s16) = G_LOAD %2 :: (load 2)
%4(s16) = G_SUB %1, %3
; G_SUB with s16 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_SUB {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_SUB {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_SUB {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s16)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_sub_s32
# CHECK-LABEL: name: test_sub_s32
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(s32) = COPY $r0
%1(s32) = COPY $r1
%2(s32) = G_SUB %0, %1
; G_SUB with s32 is legal, so we should find it unchanged in the output
; CHECK: {{%[0-9]+}}:_(s32) = G_SUB {{%[0-9]+, %[0-9]+}}
$r0 = COPY %2(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_mul_s8
# CHECK-LABEL: name: test_mul_s8
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s8) = G_LOAD %0 :: (load 1)
%2(p0) = COPY $r0
%3(s8) = G_LOAD %2 :: (load 1)
%4(s8) = G_MUL %1, %3
; G_MUL with s8 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_MUL {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_MUL {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_MUL {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s8)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_mul_s16
# CHECK-LABEL: name: test_mul_s16
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s16) = G_LOAD %0 :: (load 2)
%2(p0) = COPY $r0
%3(s16) = G_LOAD %2 :: (load 2)
%4(s16) = G_MUL %1, %3
; G_MUL with s16 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_MUL {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_MUL {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_MUL {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s16)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_mul_s32
# CHECK-LABEL: name: test_mul_s32
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(s32) = COPY $r0
%1(s32) = COPY $r1
%2(s32) = G_MUL %0, %1
; G_MUL with s32 is legal, so we should find it unchanged in the output
; CHECK: {{%[0-9]+}}:_(s32) = G_MUL {{%[0-9]+, %[0-9]+}}
$r0 = COPY %2(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_and_s8
# CHECK-LABEL: name: test_and_s8
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s8) = G_LOAD %0 :: (load 1)
%2(p0) = COPY $r0
%3(s8) = G_LOAD %2 :: (load 1)
%4(s8) = G_AND %1, %3
; G_AND with s8 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_AND {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_AND {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_AND {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s8)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_and_s16
# CHECK-LABEL: name: test_and_s16
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s16) = G_LOAD %0 :: (load 2)
%2(p0) = COPY $r0
%3(s16) = G_LOAD %2 :: (load 2)
%4(s16) = G_AND %1, %3
; G_AND with s16 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_AND {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_AND {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_AND {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s16)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_and_s32
# CHECK-LABEL: name: test_and_s32
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(s32) = COPY $r0
%1(s32) = COPY $r1
%2(s32) = G_AND %0, %1
; G_AND with s32 is legal, so we should find it unchanged in the output
; CHECK: {{%[0-9]+}}:_(s32) = G_AND {{%[0-9]+, %[0-9]+}}
$r0 = COPY %2(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_or_s8
# CHECK-LABEL: name: test_or_s8
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s8) = G_LOAD %0 :: (load 1)
%2(p0) = COPY $r0
%3(s8) = G_LOAD %2 :: (load 1)
%4(s8) = G_OR %1, %3
; G_OR with s8 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_OR {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_OR {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_OR {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s8)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_or_s16
# CHECK-LABEL: name: test_or_s16
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s16) = G_LOAD %0 :: (load 2)
%2(p0) = COPY $r0
%3(s16) = G_LOAD %2 :: (load 2)
%4(s16) = G_OR %1, %3
; G_OR with s16 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_OR {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_OR {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_OR {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s16)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_or_s32
# CHECK-LABEL: name: test_or_s32
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(s32) = COPY $r0
%1(s32) = COPY $r1
%2(s32) = G_OR %0, %1
; G_OR with s32 is legal, so we should find it unchanged in the output
; CHECK: {{%[0-9]+}}:_(s32) = G_OR {{%[0-9]+, %[0-9]+}}
$r0 = COPY %2(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_xor_s8
# CHECK-LABEL: name: test_xor_s8
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s8) = G_LOAD %0 :: (load 1)
%2(p0) = COPY $r0
%3(s8) = G_LOAD %2 :: (load 1)
%4(s8) = G_XOR %1, %3
; G_XOR with s8 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_XOR {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_XOR {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_XOR {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s8)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_xor_s16
# CHECK-LABEL: name: test_xor_s16
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s16) = G_LOAD %0 :: (load 2)
%2(p0) = COPY $r0
%3(s16) = G_LOAD %2 :: (load 2)
%4(s16) = G_XOR %1, %3
; G_XOR with s16 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_XOR {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_XOR {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_XOR {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s16)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_xor_s32
# CHECK-LABEL: name: test_xor_s32
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(s32) = COPY $r0
%1(s32) = COPY $r1
%2(s32) = G_XOR %0, %1
; G_XOR with s32 is legal, so we should find it unchanged in the output
; CHECK: {{%[0-9]+}}:_(s32) = G_XOR {{%[0-9]+, %[0-9]+}}
$r0 = COPY %2(s32)
BX_RET 14, $noreg, implicit $r0
...

View File

@ -6,30 +6,6 @@
define void @test_inttoptr_s32() { ret void }
define void @test_ptrtoint_s32() { ret void }
define void @test_add_s8() { ret void }
define void @test_add_s16() { ret void }
define void @test_add_s32() { ret void }
define void @test_sub_s8() { ret void }
define void @test_sub_s16() { ret void }
define void @test_sub_s32() { ret void }
define void @test_mul_s8() { ret void }
define void @test_mul_s16() { ret void }
define void @test_mul_s32() { ret void }
define void @test_and_s8() { ret void }
define void @test_and_s16() { ret void }
define void @test_and_s32() { ret void }
define void @test_or_s8() { ret void }
define void @test_or_s16() { ret void }
define void @test_or_s32() { ret void }
define void @test_xor_s8() { ret void }
define void @test_xor_s16() { ret void }
define void @test_xor_s32() { ret void }
define void @test_lshr_s32() { ret void }
define void @test_ashr_s32() { ret void }
define void @test_shl_s32() { ret void }
@ -153,540 +129,6 @@ body: |
BX_RET 14, $noreg, implicit $r0
...
---
name: test_add_s8
# CHECK-LABEL: name: test_add_s8
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s8) = G_LOAD %0 :: (load 1)
%2(p0) = COPY $r0
%3(s8) = G_LOAD %2 :: (load 1)
%4(s8) = G_ADD %1, %3
; G_ADD with s8 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_ADD {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_ADD {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_ADD {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s8)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_add_s16
# CHECK-LABEL: name: test_add_s16
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s16) = G_LOAD %0 :: (load 2)
%2(p0) = COPY $r0
%3(s16) = G_LOAD %2 :: (load 2)
%4(s16) = G_ADD %1, %3
; G_ADD with s16 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_ADD {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_ADD {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_ADD {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s16)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_add_s32
# CHECK-LABEL: name: test_add_s32
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(s32) = COPY $r0
%1(s32) = COPY $r1
%2(s32) = G_ADD %0, %1
; G_ADD with s32 is legal, so we should find it unchanged in the output
; CHECK: {{%[0-9]+}}:_(s32) = G_ADD {{%[0-9]+, %[0-9]+}}
$r0 = COPY %2(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_sub_s8
# CHECK-LABEL: name: test_sub_s8
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s8) = G_LOAD %0 :: (load 1)
%2(p0) = COPY $r0
%3(s8) = G_LOAD %2 :: (load 1)
%4(s8) = G_SUB %1, %3
; G_SUB with s8 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_SUB {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_SUB {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_SUB {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s8)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_sub_s16
# CHECK-LABEL: name: test_sub_s16
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s16) = G_LOAD %0 :: (load 2)
%2(p0) = COPY $r0
%3(s16) = G_LOAD %2 :: (load 2)
%4(s16) = G_SUB %1, %3
; G_SUB with s16 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_SUB {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_SUB {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_SUB {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s16)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_sub_s32
# CHECK-LABEL: name: test_sub_s32
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(s32) = COPY $r0
%1(s32) = COPY $r1
%2(s32) = G_SUB %0, %1
; G_SUB with s32 is legal, so we should find it unchanged in the output
; CHECK: {{%[0-9]+}}:_(s32) = G_SUB {{%[0-9]+, %[0-9]+}}
$r0 = COPY %2(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_mul_s8
# CHECK-LABEL: name: test_mul_s8
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s8) = G_LOAD %0 :: (load 1)
%2(p0) = COPY $r0
%3(s8) = G_LOAD %2 :: (load 1)
%4(s8) = G_MUL %1, %3
; G_MUL with s8 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_MUL {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_MUL {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_MUL {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s8)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_mul_s16
# CHECK-LABEL: name: test_mul_s16
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s16) = G_LOAD %0 :: (load 2)
%2(p0) = COPY $r0
%3(s16) = G_LOAD %2 :: (load 2)
%4(s16) = G_MUL %1, %3
; G_MUL with s16 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_MUL {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_MUL {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_MUL {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s16)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_mul_s32
# CHECK-LABEL: name: test_mul_s32
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(s32) = COPY $r0
%1(s32) = COPY $r1
%2(s32) = G_MUL %0, %1
; G_MUL with s32 is legal, so we should find it unchanged in the output
; CHECK: {{%[0-9]+}}:_(s32) = G_MUL {{%[0-9]+, %[0-9]+}}
$r0 = COPY %2(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_and_s8
# CHECK-LABEL: name: test_and_s8
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s8) = G_LOAD %0 :: (load 1)
%2(p0) = COPY $r0
%3(s8) = G_LOAD %2 :: (load 1)
%4(s8) = G_AND %1, %3
; G_AND with s8 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_AND {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_AND {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_AND {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s8)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_and_s16
# CHECK-LABEL: name: test_and_s16
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s16) = G_LOAD %0 :: (load 2)
%2(p0) = COPY $r0
%3(s16) = G_LOAD %2 :: (load 2)
%4(s16) = G_AND %1, %3
; G_AND with s16 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_AND {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_AND {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_AND {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s16)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_and_s32
# CHECK-LABEL: name: test_and_s32
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(s32) = COPY $r0
%1(s32) = COPY $r1
%2(s32) = G_AND %0, %1
; G_AND with s32 is legal, so we should find it unchanged in the output
; CHECK: {{%[0-9]+}}:_(s32) = G_AND {{%[0-9]+, %[0-9]+}}
$r0 = COPY %2(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_or_s8
# CHECK-LABEL: name: test_or_s8
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s8) = G_LOAD %0 :: (load 1)
%2(p0) = COPY $r0
%3(s8) = G_LOAD %2 :: (load 1)
%4(s8) = G_OR %1, %3
; G_OR with s8 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_OR {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_OR {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_OR {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s8)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_or_s16
# CHECK-LABEL: name: test_or_s16
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s16) = G_LOAD %0 :: (load 2)
%2(p0) = COPY $r0
%3(s16) = G_LOAD %2 :: (load 2)
%4(s16) = G_OR %1, %3
; G_OR with s16 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_OR {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_OR {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_OR {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s16)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_or_s32
# CHECK-LABEL: name: test_or_s32
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(s32) = COPY $r0
%1(s32) = COPY $r1
%2(s32) = G_OR %0, %1
; G_OR with s32 is legal, so we should find it unchanged in the output
; CHECK: {{%[0-9]+}}:_(s32) = G_OR {{%[0-9]+, %[0-9]+}}
$r0 = COPY %2(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_xor_s8
# CHECK-LABEL: name: test_xor_s8
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s8) = G_LOAD %0 :: (load 1)
%2(p0) = COPY $r0
%3(s8) = G_LOAD %2 :: (load 1)
%4(s8) = G_XOR %1, %3
; G_XOR with s8 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_XOR {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_XOR {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s8) = G_XOR {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s8)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_xor_s16
# CHECK-LABEL: name: test_xor_s16
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
- { id: 4, class: _ }
- { id: 5, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(p0) = COPY $r0
%1(s16) = G_LOAD %0 :: (load 2)
%2(p0) = COPY $r0
%3(s16) = G_LOAD %2 :: (load 2)
%4(s16) = G_XOR %1, %3
; G_XOR with s16 should widen
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_XOR {{%[0-9]+, %[0-9]+}}
; CHECK: {{%[0-9]+}}:_(s32) = G_XOR {{%[0-9]+, %[0-9]+}}
; CHECK-NOT: {{%[0-9]+}}:_(s16) = G_XOR {{%[0-9]+, %[0-9]+}}
%5(s32) = G_SEXT %4(s16)
$r0 = COPY %5(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_xor_s32
# CHECK-LABEL: name: test_xor_s32
legalized: false
# CHECK: legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
body: |
bb.0:
liveins: $r0, $r1
%0(s32) = COPY $r0
%1(s32) = COPY $r1
%2(s32) = G_XOR %0, %1
; G_XOR with s32 is legal, so we should find it unchanged in the output
; CHECK: {{%[0-9]+}}:_(s32) = G_XOR {{%[0-9]+, %[0-9]+}}
$r0 = COPY %2(s32)
BX_RET 14, $noreg, implicit $r0
...
---
name: test_lshr_s32
# CHECK-LABEL: name: test_lshr_s32
legalized: false

View File

@ -0,0 +1,135 @@
# RUN: llc -O0 -mtriple thumb-- -mattr=+v6t2 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
--- |
define void @test_add_regs() { ret void }
define void @test_mul() { ret void }
define void @test_mla() { ret void }
define void @test_and_regs() { ret void }
...
---
name: test_add_regs
# CHECK-LABEL: name: test_add_regs
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: gprb }
- { id: 1, class: gprb }
- { id: 2, class: gprb }
body: |
bb.0:
liveins: $r0, $r1
%0(s32) = COPY $r0
; CHECK: [[VREGX:%[0-9]+]]:gprnopc = COPY $r0
%1(s32) = COPY $r1
; CHECK: [[VREGY:%[0-9]+]]:rgpr = COPY $r1
%2(s32) = G_ADD %0, %1
; CHECK: [[VREGRES:%[0-9]+]]:gprnopc = t2ADDrr [[VREGX]], [[VREGY]], 14, $noreg, $noreg
$r0 = COPY %2(s32)
; CHECK: $r0 = COPY [[VREGRES]]
BX_RET 14, $noreg, implicit $r0
; CHECK: BX_RET 14, $noreg, implicit $r0
...
---
name: test_mul
# CHECK-LABEL: name: test_mul
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: gprb }
- { id: 1, class: gprb }
- { id: 2, class: gprb }
body: |
bb.0:
liveins: $r0, $r1
%0(s32) = COPY $r0
; CHECK: [[VREGX:%[0-9]+]]:rgpr = COPY $r0
%1(s32) = COPY $r1
; CHECK: [[VREGY:%[0-9]+]]:rgpr = COPY $r1
%2(s32) = G_MUL %0, %1
; CHECK: [[VREGRES:%[0-9]+]]:rgpr = t2MUL [[VREGX]], [[VREGY]], 14, $noreg
$r0 = COPY %2(s32)
; CHECK: $r0 = COPY [[VREGRES]]
BX_RET 14, $noreg, implicit $r0
; CHECK: BX_RET 14, $noreg, implicit $r0
...
---
name: test_mla
# CHECK-LABEL: name: test_mla
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: gprb }
- { id: 1, class: gprb }
- { id: 2, class: gprb }
- { id: 3, class: gprb }
- { id: 4, class: gprb }
body: |
bb.0:
liveins: $r0, $r1, $r2
%0(s32) = COPY $r0
; CHECK: [[VREGX:%[0-9]+]]:rgpr = COPY $r0
%1(s32) = COPY $r1
; CHECK: [[VREGY:%[0-9]+]]:rgpr = COPY $r1
%2(s32) = COPY $r2
; CHECK: [[VREGZ:%[0-9]+]]:rgpr = COPY $r2
%3(s32) = G_MUL %0, %1
%4(s32) = G_ADD %3, %2
; CHECK: [[VREGRES:%[0-9]+]]:rgpr = t2MLA [[VREGX]], [[VREGY]], [[VREGZ]], 14, $noreg
$r0 = COPY %4(s32)
; CHECK: $r0 = COPY [[VREGRES]]
BX_RET 14, $noreg, implicit $r0
; CHECK: BX_RET 14, $noreg, implicit $r0
...
---
name: test_and_regs
# CHECK-LABEL: name: test_and_regs
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: gprb }
- { id: 1, class: gprb }
- { id: 2, class: gprb }
body: |
bb.0:
liveins: $r0, $r1
%0(s32) = COPY $r0
; CHECK: [[VREGX:%[0-9]+]]:rgpr = COPY $r0
%1(s32) = COPY $r1
; CHECK: [[VREGY:%[0-9]+]]:rgpr = COPY $r1
%2(s32) = G_AND %0, %1
; CHECK: [[VREGRES:%[0-9]+]]:rgpr = t2ANDrr [[VREGX]], [[VREGY]], 14, $noreg, $noreg
$r0 = COPY %2(s32)
; CHECK: $r0 = COPY [[VREGRES]]
BX_RET 14, $noreg, implicit $r0
; CHECK: BX_RET 14, $noreg, implicit $r0
...