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AMDGPU/GlobalISel: Refine G_TRUNC legality rules

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Scalarize most truncates. Avoid touching cases that could end up in
unresolvable infinite loops.
This commit is contained in:
Matt Arsenault 2020-02-15 21:59:30 -05:00
parent 218dd33954
commit edd0dfca0d
4 changed files with 231 additions and 18 deletions
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17
llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
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@ -170,6 +170,16 @@ static LegalityPredicate elementTypeIs(unsigned TypeIdx, LLT Type) {
};
}
static LegalityPredicate elementTypeIsLegal(unsigned TypeIdx) {
return [=](const LegalityQuery &Query) {
const LLT QueryTy = Query.Types[TypeIdx];
if (!QueryTy.isVector())
return false;
const LLT EltTy = QueryTy.getElementType();
return EltTy == LLT::scalar(16) || EltTy.getSizeInBits() >= 32;
};
}
static LegalityPredicate isWideScalarTruncStore(unsigned TypeIdx) {
return [=](const LegalityQuery &Query) {
const LLT Ty = Query.Types[TypeIdx];
@ -484,8 +494,15 @@ AMDGPULegalizerInfo::AMDGPULegalizerInfo(const GCNSubtarget &ST_,
FMad.scalarize(0)
.lower();
// TODO: Do we need to clamp maximum bitwidth?
getActionDefinitionsBuilder(G_TRUNC)
.legalIf(isScalar(0))
.legalFor({{V2S16, V2S32}})
.clampMaxNumElements(0, S16, 2)
// Avoid scalarizing in cases that should be truly illegal. In unresolvable
// situations (like an invalid implicit use), we don't want to infinite loop
// in the legalizer.
.fewerElementsIf(elementTypeIsLegal(0), LegalizeMutations::scalarize(0))
.alwaysLegal();
getActionDefinitionsBuilder({G_SEXT, G_ZEXT, G_ANYEXT})

13
llvm/test/CodeGen/AMDGPU/GlobalISel/artifact-combiner-unmerge-values.mir
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@ -310,10 +310,15 @@ body: |
; CHECK-LABEL: name: test_unmerge_values_s32_of_trunc_concat_vectors_v2s64_v2s64
; CHECK: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr4_vgpr5_vgpr6_vgpr7
; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s64>) = G_CONCAT_VECTORS [[COPY]](<2 x s64>), [[COPY1]](<2 x s64>)
; CHECK: [[TRUNC:%[0-9]+]]:_(<4 x s32>) = G_TRUNC [[CONCAT_VECTORS]](<4 x s64>)
; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[TRUNC]](<4 x s32>)
; CHECK: S_ENDPGM 0, implicit [[UV]](s32), implicit [[UV1]](s32), implicit [[UV2]](s32), implicit [[UV3]](s32)
; CHECK: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY]](<2 x s64>)
; CHECK: [[UV2:%[0-9]+]]:_(s64), [[UV3:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY1]](<2 x s64>)
; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[UV]](s64)
; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[UV1]](s64)
; CHECK: [[TRUNC2:%[0-9]+]]:_(s32) = G_TRUNC [[UV2]](s64)
; CHECK: [[TRUNC3:%[0-9]+]]:_(s32) = G_TRUNC [[UV3]](s64)
; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[TRUNC]](s32), [[TRUNC1]](s32), [[TRUNC2]](s32), [[TRUNC3]](s32)
; CHECK: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32), [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[BUILD_VECTOR]](<4 x s32>)
; CHECK: S_ENDPGM 0, implicit [[UV4]](s32), implicit [[UV5]](s32), implicit [[UV6]](s32), implicit [[UV7]](s32)
%0:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
%1:_(<2 x s64>) = COPY $vgpr4_vgpr5_vgpr6_vgpr7
%2:_(<4 x s64>) = G_CONCAT_VECTORS %0, %1

21
llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fcopysign.mir
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@ -705,9 +705,10 @@ body: |
; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
; SI: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[UV]], [[COPY2]](s32)
; SI: [[LSHR1:%[0-9]+]]:_(s64) = G_LSHR [[UV1]], [[C2]](s32)
; SI: [[BUILD_VECTOR2:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[LSHR]](s64), [[LSHR1]](s64)
; SI: [[TRUNC:%[0-9]+]]:_(<2 x s32>) = G_TRUNC [[BUILD_VECTOR2]](<2 x s64>)
; SI: [[AND1:%[0-9]+]]:_(<2 x s32>) = G_AND [[TRUNC]], [[BUILD_VECTOR]]
; SI: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR]](s64)
; SI: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR1]](s64)
; SI: [[BUILD_VECTOR2:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[TRUNC]](s32), [[TRUNC1]](s32)
; SI: [[AND1:%[0-9]+]]:_(<2 x s32>) = G_AND [[BUILD_VECTOR2]], [[BUILD_VECTOR]]
; SI: [[OR:%[0-9]+]]:_(<2 x s32>) = G_OR [[AND]], [[AND1]]
; SI: $vgpr0_vgpr1 = COPY [[OR]](<2 x s32>)
; VI-LABEL: name: test_copysign_v2s32_v2s64
@ -723,9 +724,10 @@ body: |
; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
; VI: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[UV]], [[COPY2]](s32)
; VI: [[LSHR1:%[0-9]+]]:_(s64) = G_LSHR [[UV1]], [[C2]](s32)
; VI: [[BUILD_VECTOR2:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[LSHR]](s64), [[LSHR1]](s64)
; VI: [[TRUNC:%[0-9]+]]:_(<2 x s32>) = G_TRUNC [[BUILD_VECTOR2]](<2 x s64>)
; VI: [[AND1:%[0-9]+]]:_(<2 x s32>) = G_AND [[TRUNC]], [[BUILD_VECTOR]]
; VI: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR]](s64)
; VI: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR1]](s64)
; VI: [[BUILD_VECTOR2:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[TRUNC]](s32), [[TRUNC1]](s32)
; VI: [[AND1:%[0-9]+]]:_(<2 x s32>) = G_AND [[BUILD_VECTOR2]], [[BUILD_VECTOR]]
; VI: [[OR:%[0-9]+]]:_(<2 x s32>) = G_OR [[AND]], [[AND1]]
; VI: $vgpr0_vgpr1 = COPY [[OR]](<2 x s32>)
; GFX9-LABEL: name: test_copysign_v2s32_v2s64
@ -741,9 +743,10 @@ body: |
; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
; GFX9: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[UV]], [[COPY2]](s32)
; GFX9: [[LSHR1:%[0-9]+]]:_(s64) = G_LSHR [[UV1]], [[C2]](s32)
; GFX9: [[BUILD_VECTOR2:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[LSHR]](s64), [[LSHR1]](s64)
; GFX9: [[TRUNC:%[0-9]+]]:_(<2 x s32>) = G_TRUNC [[BUILD_VECTOR2]](<2 x s64>)
; GFX9: [[AND1:%[0-9]+]]:_(<2 x s32>) = G_AND [[TRUNC]], [[BUILD_VECTOR]]
; GFX9: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR]](s64)
; GFX9: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR1]](s64)
; GFX9: [[BUILD_VECTOR2:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[TRUNC]](s32), [[TRUNC1]](s32)
; GFX9: [[AND1:%[0-9]+]]:_(<2 x s32>) = G_AND [[BUILD_VECTOR2]], [[BUILD_VECTOR]]
; GFX9: [[OR:%[0-9]+]]:_(<2 x s32>) = G_OR [[AND]], [[AND1]]
; GFX9: $vgpr0_vgpr1 = COPY [[OR]](<2 x s32>)
%0:_(<2 x s32>) = COPY $vgpr0_vgpr1

198
llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-trunc.mir
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@ -127,8 +127,17 @@ body: |
; CHECK-LABEL: name: test_trunc_v2s64_to_v2s16
; CHECK: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
; CHECK: [[TRUNC:%[0-9]+]]:_(<2 x s16>) = G_TRUNC [[COPY]](<2 x s64>)
; CHECK: $vgpr0 = COPY [[TRUNC]](<2 x s16>)
; CHECK: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY]](<2 x s64>)
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[UV]](s64)
; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[TRUNC]], [[C]]
; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[UV1]](s64)
; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[TRUNC1]], [[C]]
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C1]](s32)
; CHECK: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
; CHECK: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
; CHECK: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
%0:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
%1:_(<2 x s16>) = G_TRUNC %0
$vgpr0 = COPY %1
@ -143,9 +152,25 @@ body: |
; CHECK-LABEL: name: test_trunc_v4s64_to_v4s16
; CHECK: [[COPY:%[0-9]+]]:_(<4 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
; CHECK: [[UV:%[0-9]+]]:_(<2 x s64>), [[UV1:%[0-9]+]]:_(<2 x s64>) = G_UNMERGE_VALUES [[COPY]](<4 x s64>)
; CHECK: [[TRUNC:%[0-9]+]]:_(<2 x s16>) = G_TRUNC [[UV]](<2 x s64>)
; CHECK: [[TRUNC1:%[0-9]+]]:_(<2 x s16>) = G_TRUNC [[UV1]](<2 x s64>)
; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[TRUNC]](<2 x s16>), [[TRUNC1]](<2 x s16>)
; CHECK: [[UV2:%[0-9]+]]:_(s64), [[UV3:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[UV]](<2 x s64>)
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[UV2]](s64)
; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[TRUNC]], [[C]]
; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[UV3]](s64)
; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[TRUNC1]], [[C]]
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C1]](s32)
; CHECK: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
; CHECK: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
; CHECK: [[UV4:%[0-9]+]]:_(s64), [[UV5:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[UV1]](<2 x s64>)
; CHECK: [[TRUNC2:%[0-9]+]]:_(s32) = G_TRUNC [[UV4]](s64)
; CHECK: [[AND2:%[0-9]+]]:_(s32) = G_AND [[TRUNC2]], [[C]]
; CHECK: [[TRUNC3:%[0-9]+]]:_(s32) = G_TRUNC [[UV5]](s64)
; CHECK: [[AND3:%[0-9]+]]:_(s32) = G_AND [[TRUNC3]], [[C]]
; CHECK: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C1]](s32)
; CHECK: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
; CHECK: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
; CHECK: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
%0:_(<4 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
%1:_(<4 x s16>) = G_TRUNC %0
@ -213,3 +238,166 @@ body: |
%1:_(<4 x s1>) = G_TRUNC %0
S_ENDPGM 0, implicit %1
...
---
name: test_trunc_v2s64_to_v2s32
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2_vgpr3
; CHECK-LABEL: name: test_trunc_v2s64_to_v2s32
; CHECK: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
; CHECK: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY]](<2 x s64>)
; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[UV]](s64)
; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[UV1]](s64)
; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[TRUNC]](s32), [[TRUNC1]](s32)
; CHECK: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
%0:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
%1:_(<2 x s32>) = G_TRUNC %0
$vgpr0_vgpr1 = COPY %1
...
---
name: test_trunc_v4s64_to_v4s32
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
; CHECK-LABEL: name: test_trunc_v4s64_to_v4s32
; CHECK: [[COPY:%[0-9]+]]:_(<4 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
; CHECK: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64), [[UV2:%[0-9]+]]:_(s64), [[UV3:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY]](<4 x s64>)
; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[UV]](s64)
; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[UV1]](s64)
; CHECK: [[TRUNC2:%[0-9]+]]:_(s32) = G_TRUNC [[UV2]](s64)
; CHECK: [[TRUNC3:%[0-9]+]]:_(s32) = G_TRUNC [[UV3]](s64)
; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[TRUNC]](s32), [[TRUNC1]](s32), [[TRUNC2]](s32), [[TRUNC3]](s32)
; CHECK: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
%0:_(<4 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
%1:_(<4 x s32>) = G_TRUNC %0
$vgpr0_vgpr1_vgpr2_vgpr3 = COPY %1
...
---
name: test_trunc_v2s128_to_v2s64
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
; CHECK-LABEL: name: test_trunc_v2s128_to_v2s64
; CHECK: [[COPY:%[0-9]+]]:_(<2 x s128>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
; CHECK: [[UV:%[0-9]+]]:_(s128), [[UV1:%[0-9]+]]:_(s128) = G_UNMERGE_VALUES [[COPY]](<2 x s128>)
; CHECK: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[UV]](s128)
; CHECK: [[TRUNC1:%[0-9]+]]:_(s64) = G_TRUNC [[UV1]](s128)
; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[TRUNC]](s64), [[TRUNC1]](s64)
; CHECK: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
%0:_(<2 x s128>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
%1:_(<2 x s64>) = G_TRUNC %0
$vgpr0_vgpr1_vgpr2_vgpr3 = COPY %1
...
---
name: test_trunc_v2s128_to_v2s32
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
; CHECK-LABEL: name: test_trunc_v2s128_to_v2s32
; CHECK: [[COPY:%[0-9]+]]:_(<2 x s128>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
; CHECK: [[UV:%[0-9]+]]:_(s128), [[UV1:%[0-9]+]]:_(s128) = G_UNMERGE_VALUES [[COPY]](<2 x s128>)
; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[UV]](s128)
; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[UV1]](s128)
; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[TRUNC]](s32), [[TRUNC1]](s32)
; CHECK: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
%0:_(<2 x s128>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
%1:_(<2 x s32>) = G_TRUNC %0
$vgpr0_vgpr1 = COPY %1
...
---
name: test_trunc_v2s128_to_v2s16
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
; CHECK-LABEL: name: test_trunc_v2s128_to_v2s16
; CHECK: [[COPY:%[0-9]+]]:_(<2 x s128>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
; CHECK: [[UV:%[0-9]+]]:_(s128), [[UV1:%[0-9]+]]:_(s128) = G_UNMERGE_VALUES [[COPY]](<2 x s128>)
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[UV]](s128)
; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[TRUNC]], [[C]]
; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[UV1]](s128)
; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[TRUNC1]], [[C]]
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C1]](s32)
; CHECK: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
; CHECK: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
; CHECK: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
%0:_(<2 x s128>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
%1:_(<2 x s16>) = G_TRUNC %0
$vgpr0 = COPY %1
...
---
name: test_trunc_v2s96_to_v2s32
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2, $vgpr3_vgpr4_vgpr5
; CHECK-LABEL: name: test_trunc_v2s96_to_v2s32
; CHECK: [[COPY:%[0-9]+]]:_(s96) = COPY $vgpr0_vgpr1_vgpr2
; CHECK: [[COPY1:%[0-9]+]]:_(s96) = COPY $vgpr3_vgpr4_vgpr5
; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s96)
; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s96)
; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[TRUNC]](s32), [[TRUNC1]](s32)
; CHECK: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
%0:_(s96) = COPY $vgpr0_vgpr1_vgpr2
%1:_(s96) = COPY $vgpr3_vgpr4_vgpr5
%2:_(<2 x s96>) = G_BUILD_VECTOR %0, %1
%3:_(<2 x s32>) = G_TRUNC %2
$vgpr0_vgpr1 = COPY %3
...
---
name: test_trunc_v2s96_to_v2s16
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2, $vgpr3_vgpr4_vgpr5
; CHECK-LABEL: name: test_trunc_v2s96_to_v2s16
; CHECK: [[COPY:%[0-9]+]]:_(s96) = COPY $vgpr0_vgpr1_vgpr2
; CHECK: [[COPY1:%[0-9]+]]:_(s96) = COPY $vgpr3_vgpr4_vgpr5
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s96)
; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[TRUNC]], [[C]]
; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s96)
; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[TRUNC1]], [[C]]
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C1]](s32)
; CHECK: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
; CHECK: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
; CHECK: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
%0:_(s96) = COPY $vgpr0_vgpr1_vgpr2
%1:_(s96) = COPY $vgpr3_vgpr4_vgpr5
%2:_(<2 x s96>) = G_BUILD_VECTOR %0, %1
%3:_(<2 x s16>) = G_TRUNC %2
$vgpr0 = COPY %3
...
---
name: test_trunc_v2s96_to_v2s8
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2, $vgpr3_vgpr4_vgpr5
; CHECK-LABEL: name: test_trunc_v2s96_to_v2s8
; CHECK: [[COPY:%[0-9]+]]:_(s96) = COPY $vgpr0_vgpr1_vgpr2
; CHECK: [[COPY1:%[0-9]+]]:_(s96) = COPY $vgpr3_vgpr4_vgpr5
; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s96>) = G_BUILD_VECTOR [[COPY]](s96), [[COPY1]](s96)
; CHECK: [[TRUNC:%[0-9]+]]:_(<2 x s8>) = G_TRUNC [[BUILD_VECTOR]](<2 x s96>)
; CHECK: S_ENDPGM 0, implicit [[TRUNC]](<2 x s8>)
%0:_(s96) = COPY $vgpr0_vgpr1_vgpr2
%1:_(s96) = COPY $vgpr3_vgpr4_vgpr5
%2:_(<2 x s96>) = G_BUILD_VECTOR %0, %1
%3:_(<2 x s8>) = G_TRUNC %2
S_ENDPGM 0, implicit %3
...