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AMDGPU/GlobalISel: Make some large merges legal 

We allow up to 1024-bit registers, so we should support merges all the
way to the maximum.
This commit is contained in:
Matt Arsenault 2020-03-16 10:42:15 -04:00 committed by Matt Arsenault
parent 536ba6373f
commit 57d896e838
5 changed files with 220 additions and 5 deletions
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11
llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
View File

@ -217,6 +217,7 @@ AMDGPULegalizerInfo::AMDGPULegalizerInfo(const GCNSubtarget &ST_,
const LLT S64 = LLT::scalar(64);
const LLT S128 = LLT::scalar(128);
const LLT S256 = LLT::scalar(256);
const LLT S512 = LLT::scalar(512);
const LLT S1024 = LLT::scalar(1024);
const LLT V2S16 = LLT::vector(2, 16);
@ -1205,10 +1206,10 @@ AMDGPULegalizerInfo::AMDGPULegalizerInfo(const GCNSubtarget &ST_,
unsigned LitTyIdx = Op == G_MERGE_VALUES ? 1 : 0;
auto notValidElt = [=](const LegalityQuery &Query, unsigned TypeIdx) {
const LLT &Ty = Query.Types[TypeIdx];
const LLT Ty = Query.Types[TypeIdx];
if (Ty.isVector()) {
const LLT &EltTy = Ty.getElementType();
if (EltTy.getSizeInBits() < 8 || EltTy.getSizeInBits() > 64)
if (EltTy.getSizeInBits() < 8 || EltTy.getSizeInBits() > 512)
return true;
if (!isPowerOf2_32(EltTy.getSizeInBits()))
return true;
@ -1230,14 +1231,14 @@ AMDGPULegalizerInfo::AMDGPULegalizerInfo(const GCNSubtarget &ST_,
// Clamp the little scalar to s8-s256 and make it a power of 2. It's not
// worth considering the multiples of 64 since 2*192 and 2*384 are not
// valid.
.clampScalar(LitTyIdx, S32, S256)
.clampScalar(LitTyIdx, S32, S512)
.widenScalarToNextPow2(LitTyIdx, /*Min*/ 32)
// Break up vectors with weird elements into scalars
.fewerElementsIf(
[=](const LegalityQuery &Query) { return notValidElt(Query, 0); },
[=](const LegalityQuery &Query) { return notValidElt(Query, LitTyIdx); },
scalarize(0))
.fewerElementsIf(
[=](const LegalityQuery &Query) { return notValidElt(Query, 1); },
[=](const LegalityQuery &Query) { return notValidElt(Query, BigTyIdx); },
scalarize(1))
.clampScalar(BigTyIdx, S32, S1024);

24
llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-merge-values.mir
View File

@ -589,3 +589,27 @@ body: |
%4:sgpr(s1024) = G_MERGE_VALUES %0, %1, %2, %3
S_ENDPGM 0, implicit %4
...
---
name: test_merge_values_s_s1024_s_s512
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.0:
liveins: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15, $sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31
; GCN-LABEL: name: test_merge_values_s_s1024_s_s512
; GCN: liveins: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15, $sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31
; GCN: [[COPY:%[0-9]+]]:sreg_512 = COPY $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15
; GCN: [[COPY1:%[0-9]+]]:sreg_512 = COPY $sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31
; GCN: [[REG_SEQUENCE:%[0-9]+]]:sreg_1024 = REG_SEQUENCE [[COPY]], %subreg.sub0_sub1_sub2_sub3_sub4_sub5_sub6_sub7_sub8_sub9_sub10_sub11_sub12_sub13_sub14_sub15, [[COPY1]], %subreg.sub16_sub17_sub18_sub19_sub20_sub21_sub22_sub23_sub24_sub25_sub26_sub27_sub28_sub29_sub30_sub31
; GCN: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31 = COPY [[REG_SEQUENCE]]
%0:sgpr(s512) = COPY $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15
%1:sgpr(s512) = COPY $sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31
%2:sgpr(s1024) = G_MERGE_VALUES %0, %1
$sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31 = COPY %2
...

29
llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-unmerge-values.mir
View File

@ -257,3 +257,32 @@ body: |
%1:sgpr(s256), %2:sgpr(s256), %3:sgpr(s256), %4:sgpr(s256) = G_UNMERGE_VALUES %0
S_ENDPGM 0, implicit %1, implicit %2, implicit %3, implicit %4
...
---
name: test_unmerge_values_s_s512_s_s1024
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.0:
liveins: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31
; CHECK-LABEL: name: test_unmerge_s512_s1024
; CHECK: [[COPY:%[0-9]+]]:_(s1024) = COPY $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31
; CHECK: [[UV:%[0-9]+]]:_(s512), [[UV1:%[0-9]+]]:_(s512) = G_UNMERGE_VALUES [[COPY]](s1024)
; CHECK: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15 = COPY [[UV]](s512)
; CHECK: $sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31 = COPY [[UV1]](s512)
; GCN-LABEL: name: test_unmerge_values_s_s512_s_s1024
; GCN: liveins: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31
; GCN: [[COPY:%[0-9]+]]:sreg_1024 = COPY $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31
; GCN: [[COPY1:%[0-9]+]]:sreg_512 = COPY [[COPY]].sub0_sub1_sub2_sub3_sub4_sub5_sub6_sub7_sub8_sub9_sub10_sub11_sub12_sub13_sub14_sub15
; GCN: [[COPY2:%[0-9]+]]:sreg_512 = COPY [[COPY]].sub16_sub17_sub18_sub19_sub20_sub21_sub22_sub23_sub24_sub25_sub26_sub27_sub28_sub29_sub30_sub31
; GCN: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15 = COPY [[COPY1]]
; GCN: $sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31 = COPY [[COPY2]]
%0:sgpr(s1024) = COPY $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31
%1:sgpr(s512), %2:sgpr(s512) = G_UNMERGE_VALUES %0
$sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15 = COPY %1
$sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31 = COPY %2
...

55
llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-merge-values.mir
View File

@ -1602,3 +1602,58 @@ body: |
%7:_(s64) = G_ANYEXT %6
$vgpr0_vgpr1 = COPY %7
...
---
name: test_merge_s256_s128
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4_vgpr5_vgpr6_vgpr7
; CHECK-LABEL: name: test_merge_s256_s128
; CHECK: [[COPY:%[0-9]+]]:_(s128) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
; CHECK: [[COPY1:%[0-9]+]]:_(s128) = COPY $vgpr4_vgpr5_vgpr6_vgpr7
; CHECK: [[MV:%[0-9]+]]:_(s256) = G_MERGE_VALUES [[COPY]](s128), [[COPY1]](s128)
; CHECK: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[MV]](s256)
%0:_(s128) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
%1:_(s128) = COPY $vgpr4_vgpr5_vgpr6_vgpr7
%2:_(s256) = G_MERGE_VALUES %0, %1
$vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %2
...
---
name: test_merge_s512_s256
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4_vgpr5_vgpr6_vgpr7, $vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15
; CHECK-LABEL: name: test_merge_s512_s256
; CHECK: [[COPY:%[0-9]+]]:_(s256) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
; CHECK: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15
; CHECK: [[MV:%[0-9]+]]:_(s512) = G_MERGE_VALUES [[COPY]](s256), [[COPY1]](s256)
; CHECK: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = COPY [[MV]](s512)
%0:_(s256) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
%1:_(s256) = COPY $vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15
%2:_(s512) = G_MERGE_VALUES %0, %1
$vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = COPY %2
...
---
name: test_merge_s1024_s512
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15, $vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31
; CHECK-LABEL: name: test_merge_s1024_s512
; CHECK: [[COPY:%[0-9]+]]:_(s512) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15
; CHECK: [[COPY1:%[0-9]+]]:_(s512) = COPY $vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31
; CHECK: [[MV:%[0-9]+]]:_(s1024) = G_MERGE_VALUES [[COPY]](s512), [[COPY1]](s512)
; CHECK: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31 = COPY [[MV]](s1024)
%0:_(s512) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15
%1:_(s512) = COPY $vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31
%2:_(s1024) = G_MERGE_VALUES %0, %1
$vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31 = COPY %2
...

106
llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-unmerge-values.mir
View File

@ -758,3 +758,109 @@ body: |
$vgpr6 = COPY %16
$vgpr7 = COPY %17
...
---
name: test_unmerge_s128_v2s128
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
; CHECK-LABEL: name: test_unmerge_s128_v2s128
; 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: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[UV]](s128)
; CHECK: $vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[UV1]](s128)
%0:_(<2 x s128>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
%1:_(s128), %2:_(s128) = G_UNMERGE_VALUES %0
$vgpr0_vgpr1_vgpr2_vgpr3 = COPY %1
$vgpr4_vgpr5_vgpr6_vgpr7 = COPY %2
...
---
name: test_unmerge_s128_s256
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
; CHECK-LABEL: name: test_unmerge_s128_s256
; CHECK: [[COPY:%[0-9]+]]:_(s256) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
; CHECK: [[UV:%[0-9]+]]:_(s128), [[UV1:%[0-9]+]]:_(s128) = G_UNMERGE_VALUES [[COPY]](s256)
; CHECK: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[UV]](s128)
; CHECK: $vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[UV1]](s128)
%0:_(s256) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
%1:_(s128), %2:_(s128) = G_UNMERGE_VALUES %0
$vgpr0_vgpr1_vgpr2_vgpr3 = COPY %1
$vgpr4_vgpr5_vgpr6_vgpr7 = COPY %2
...
---
name: test_unmerge_s256_s512
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15
; CHECK-LABEL: name: test_unmerge_s256_s512
; CHECK: [[COPY:%[0-9]+]]:_(s512) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15
; CHECK: [[UV:%[0-9]+]]:_(s256), [[UV1:%[0-9]+]]:_(s256) = G_UNMERGE_VALUES [[COPY]](s512)
; CHECK: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[UV]](s256)
; CHECK: $vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = COPY [[UV1]](s256)
%0:_(s512) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15
%1:_(s256), %2:_(s256) = G_UNMERGE_VALUES %0
$vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %1
$vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = COPY %2
...
---
name: test_unmerge_s256_v2s256
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15
; CHECK-LABEL: name: test_unmerge_s256_v2s256
; CHECK: [[COPY:%[0-9]+]]:_(<2 x s256>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15
; CHECK: [[UV:%[0-9]+]]:_(s256), [[UV1:%[0-9]+]]:_(s256) = G_UNMERGE_VALUES [[COPY]](<2 x s256>)
; CHECK: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[UV]](s256)
; CHECK: $vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = COPY [[UV1]](s256)
%0:_(<2 x s256>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15
%1:_(s256), %2:_(s256) = G_UNMERGE_VALUES %0
$vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %1
$vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = COPY %2
...
---
name: test_unmerge_s512_s1024
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31
; CHECK-LABEL: name: test_unmerge_s512_s1024
; CHECK: [[COPY:%[0-9]+]]:_(s1024) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31
; CHECK: [[UV:%[0-9]+]]:_(s512), [[UV1:%[0-9]+]]:_(s512) = G_UNMERGE_VALUES [[COPY]](s1024)
; CHECK: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = COPY [[UV]](s512)
; CHECK: $vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31 = COPY [[UV1]](s512)
%0:_(s1024) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31
%1:_(s512), %2:_(s512) = G_UNMERGE_VALUES %0
$vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = COPY %1
$vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31 = COPY %2
...
---
name: test_unmerge_s512_v2s512
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31
; CHECK-LABEL: name: test_unmerge_s512_v2s512
; CHECK: [[COPY:%[0-9]+]]:_(<2 x s512>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31
; CHECK: [[UV:%[0-9]+]]:_(s512), [[UV1:%[0-9]+]]:_(s512) = G_UNMERGE_VALUES [[COPY]](<2 x s512>)
; CHECK: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = COPY [[UV]](s512)
; CHECK: $vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31 = COPY [[UV1]](s512)
%0:_(<2 x s512>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31
%1:_(s512), %2:_(s512) = G_UNMERGE_VALUES %0
$vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = COPY %1
$vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31 = COPY %2
...