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AMDGPU/GlobalISel: Don't use a copy in addrspacecast lowering

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llvm-svn: 353516
This commit is contained in:
Matt Arsenault 2019-02-08 14:16:11 +00:00
parent 5c2d369b08
commit 3ec5bce91b
2 changed files with 37 additions and 37 deletions
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2
lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
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@ -707,7 +707,7 @@ bool AMDGPULegalizerInfo::legalizeAddrSpaceCast(
const GCNSubtarget &ST = MF.getSubtarget<GCNSubtarget>();
if (ST.getTargetLowering()->isNoopAddrSpaceCast(SrcAS, DestAS)) {
MI.setDesc(MIRBuilder.getTII().get(TargetOpcode::COPY));
MI.setDesc(MIRBuilder.getTII().get(TargetOpcode::G_BITCAST));
return true;
}

72
test/CodeGen/AMDGPU/GlobalISel/legalize-addrspacecast.mir
View File

@ -10,12 +10,12 @@ body: |
; VI-LABEL: name: test_addrspacecast_p0_to_p1
; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
; VI: [[COPY1:%[0-9]+]]:_(p1) = COPY [[COPY]](p0)
; VI: $vgpr0_vgpr1 = COPY [[COPY1]](p1)
; VI: [[BITCAST:%[0-9]+]]:_(p1) = G_BITCAST [[COPY]](p0)
; VI: $vgpr0_vgpr1 = COPY [[BITCAST]](p1)
; GFX9-LABEL: name: test_addrspacecast_p0_to_p1
; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
; GFX9: [[COPY1:%[0-9]+]]:_(p1) = COPY [[COPY]](p0)
; GFX9: $vgpr0_vgpr1 = COPY [[COPY1]](p1)
; GFX9: [[BITCAST:%[0-9]+]]:_(p1) = G_BITCAST [[COPY]](p0)
; GFX9: $vgpr0_vgpr1 = COPY [[BITCAST]](p1)
%0:_(p0) = COPY $vgpr0_vgpr1
%1:_(p1) = G_ADDRSPACE_CAST %0
$vgpr0_vgpr1 = COPY %1
@ -29,12 +29,12 @@ body: |
; VI-LABEL: name: test_addrspacecast_p1_to_p0
; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
; VI: [[COPY1:%[0-9]+]]:_(p0) = COPY [[COPY]](p1)
; VI: $vgpr0_vgpr1 = COPY [[COPY1]](p0)
; VI: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[COPY]](p1)
; VI: $vgpr0_vgpr1 = COPY [[BITCAST]](p0)
; GFX9-LABEL: name: test_addrspacecast_p1_to_p0
; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
; GFX9: [[COPY1:%[0-9]+]]:_(p0) = COPY [[COPY]](p1)
; GFX9: $vgpr0_vgpr1 = COPY [[COPY1]](p0)
; GFX9: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[COPY]](p1)
; GFX9: $vgpr0_vgpr1 = COPY [[BITCAST]](p0)
%0:_(p1) = COPY $vgpr0_vgpr1
%1:_(p0) = G_ADDRSPACE_CAST %0
$vgpr0_vgpr1 = COPY %1
@ -48,12 +48,12 @@ body: |
; VI-LABEL: name: test_addrspacecast_p0_to_p4
; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
; VI: [[COPY1:%[0-9]+]]:_(p4) = COPY [[COPY]](p0)
; VI: $vgpr0_vgpr1 = COPY [[COPY1]](p4)
; VI: [[BITCAST:%[0-9]+]]:_(p4) = G_BITCAST [[COPY]](p0)
; VI: $vgpr0_vgpr1 = COPY [[BITCAST]](p4)
; GFX9-LABEL: name: test_addrspacecast_p0_to_p4
; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
; GFX9: [[COPY1:%[0-9]+]]:_(p4) = COPY [[COPY]](p0)
; GFX9: $vgpr0_vgpr1 = COPY [[COPY1]](p4)
; GFX9: [[BITCAST:%[0-9]+]]:_(p4) = G_BITCAST [[COPY]](p0)
; GFX9: $vgpr0_vgpr1 = COPY [[BITCAST]](p4)
%0:_(p0) = COPY $vgpr0_vgpr1
%1:_(p4) = G_ADDRSPACE_CAST %0
$vgpr0_vgpr1 = COPY %1
@ -67,12 +67,12 @@ body: |
; VI-LABEL: name: test_addrspacecast_p4_to_p0
; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
; VI: [[COPY1:%[0-9]+]]:_(p0) = COPY [[COPY]](p4)
; VI: $vgpr0_vgpr1 = COPY [[COPY1]](p0)
; VI: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[COPY]](p4)
; VI: $vgpr0_vgpr1 = COPY [[BITCAST]](p0)
; GFX9-LABEL: name: test_addrspacecast_p4_to_p0
; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
; GFX9: [[COPY1:%[0-9]+]]:_(p0) = COPY [[COPY]](p4)
; GFX9: $vgpr0_vgpr1 = COPY [[COPY1]](p0)
; GFX9: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[COPY]](p4)
; GFX9: $vgpr0_vgpr1 = COPY [[BITCAST]](p0)
%0:_(p4) = COPY $vgpr0_vgpr1
%1:_(p0) = G_ADDRSPACE_CAST %0
$vgpr0_vgpr1 = COPY %1
@ -86,12 +86,12 @@ body: |
; VI-LABEL: name: test_addrspacecast_p0_to_p999
; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
; VI: [[COPY1:%[0-9]+]]:_(p999) = COPY [[COPY]](p0)
; VI: $vgpr0_vgpr1 = COPY [[COPY1]](p999)
; VI: [[BITCAST:%[0-9]+]]:_(p999) = G_BITCAST [[COPY]](p0)
; VI: $vgpr0_vgpr1 = COPY [[BITCAST]](p999)
; GFX9-LABEL: name: test_addrspacecast_p0_to_p999
; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
; GFX9: [[COPY1:%[0-9]+]]:_(p999) = COPY [[COPY]](p0)
; GFX9: $vgpr0_vgpr1 = COPY [[COPY1]](p999)
; GFX9: [[BITCAST:%[0-9]+]]:_(p999) = G_BITCAST [[COPY]](p0)
; GFX9: $vgpr0_vgpr1 = COPY [[BITCAST]](p999)
%0:_(p0) = COPY $vgpr0_vgpr1
%1:_(p999) = G_ADDRSPACE_CAST %0
$vgpr0_vgpr1 = COPY %1
@ -105,12 +105,12 @@ body: |
; VI-LABEL: name: test_addrspacecast_p999_to_p0
; VI: [[COPY:%[0-9]+]]:_(p999) = COPY $vgpr0_vgpr1
; VI: [[COPY1:%[0-9]+]]:_(p0) = COPY [[COPY]](p999)
; VI: $vgpr0_vgpr1 = COPY [[COPY1]](p0)
; VI: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[COPY]](p999)
; VI: $vgpr0_vgpr1 = COPY [[BITCAST]](p0)
; GFX9-LABEL: name: test_addrspacecast_p999_to_p0
; GFX9: [[COPY:%[0-9]+]]:_(p999) = COPY $vgpr0_vgpr1
; GFX9: [[COPY1:%[0-9]+]]:_(p0) = COPY [[COPY]](p999)
; GFX9: $vgpr0_vgpr1 = COPY [[COPY1]](p0)
; GFX9: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[COPY]](p999)
; GFX9: $vgpr0_vgpr1 = COPY [[BITCAST]](p0)
%0:_(p999) = COPY $vgpr0_vgpr1
%1:_(p0) = G_ADDRSPACE_CAST %0
$vgpr0_vgpr1 = COPY %1
@ -251,16 +251,16 @@ body: |
; VI-LABEL: name: test_addrspacecast_v2p0_to_v2p1
; VI: [[COPY:%[0-9]+]]:_(<2 x p0>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
; VI: [[UV:%[0-9]+]]:_(p0), [[UV1:%[0-9]+]]:_(p0) = G_UNMERGE_VALUES [[COPY]](<2 x p0>)
; VI: [[COPY1:%[0-9]+]]:_(p1) = COPY [[UV]](p0)
; VI: [[COPY2:%[0-9]+]]:_(p1) = COPY [[UV1]](p0)
; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p1>) = G_BUILD_VECTOR [[COPY1]](p1), [[COPY2]](p1)
; VI: [[BITCAST:%[0-9]+]]:_(p1) = G_BITCAST [[UV]](p0)
; VI: [[BITCAST1:%[0-9]+]]:_(p1) = G_BITCAST [[UV1]](p0)
; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p1>) = G_BUILD_VECTOR [[BITCAST]](p1), [[BITCAST1]](p1)
; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x p1>)
; GFX9-LABEL: name: test_addrspacecast_v2p0_to_v2p1
; GFX9: [[COPY:%[0-9]+]]:_(<2 x p0>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
; GFX9: [[UV:%[0-9]+]]:_(p0), [[UV1:%[0-9]+]]:_(p0) = G_UNMERGE_VALUES [[COPY]](<2 x p0>)
; GFX9: [[COPY1:%[0-9]+]]:_(p1) = COPY [[UV]](p0)
; GFX9: [[COPY2:%[0-9]+]]:_(p1) = COPY [[UV1]](p0)
; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p1>) = G_BUILD_VECTOR [[COPY1]](p1), [[COPY2]](p1)
; GFX9: [[BITCAST:%[0-9]+]]:_(p1) = G_BITCAST [[UV]](p0)
; GFX9: [[BITCAST1:%[0-9]+]]:_(p1) = G_BITCAST [[UV1]](p0)
; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p1>) = G_BUILD_VECTOR [[BITCAST]](p1), [[BITCAST1]](p1)
; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x p1>)
%0:_(<2 x p0>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
%1:_(<2 x p1>) = G_ADDRSPACE_CAST %0
@ -276,16 +276,16 @@ body: |
; VI-LABEL: name: test_addrspacecast_v2p1_to_v2p0
; VI: [[COPY:%[0-9]+]]:_(<2 x p1>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
; VI: [[UV:%[0-9]+]]:_(p1), [[UV1:%[0-9]+]]:_(p1) = G_UNMERGE_VALUES [[COPY]](<2 x p1>)
; VI: [[COPY1:%[0-9]+]]:_(p0) = COPY [[UV]](p1)
; VI: [[COPY2:%[0-9]+]]:_(p0) = COPY [[UV1]](p1)
; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p0>) = G_BUILD_VECTOR [[COPY1]](p0), [[COPY2]](p0)
; VI: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[UV]](p1)
; VI: [[BITCAST1:%[0-9]+]]:_(p0) = G_BITCAST [[UV1]](p1)
; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p0>) = G_BUILD_VECTOR [[BITCAST]](p0), [[BITCAST1]](p0)
; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x p0>)
; GFX9-LABEL: name: test_addrspacecast_v2p1_to_v2p0
; GFX9: [[COPY:%[0-9]+]]:_(<2 x p1>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
; GFX9: [[UV:%[0-9]+]]:_(p1), [[UV1:%[0-9]+]]:_(p1) = G_UNMERGE_VALUES [[COPY]](<2 x p1>)
; GFX9: [[COPY1:%[0-9]+]]:_(p0) = COPY [[UV]](p1)
; GFX9: [[COPY2:%[0-9]+]]:_(p0) = COPY [[UV1]](p1)
; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p0>) = G_BUILD_VECTOR [[COPY1]](p0), [[COPY2]](p0)
; GFX9: [[BITCAST:%[0-9]+]]:_(p0) = G_BITCAST [[UV]](p1)
; GFX9: [[BITCAST1:%[0-9]+]]:_(p0) = G_BITCAST [[UV1]](p1)
; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p0>) = G_BUILD_VECTOR [[BITCAST]](p0), [[BITCAST1]](p0)
; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x p0>)
%0:_(<2 x p1>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
%1:_(<2 x p0>) = G_ADDRSPACE_CAST %0