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GlobalISel: Handle fewerElementsVector for G_PTR_ADD

This commit is contained in:
Matt Arsenault 2020-07-25 10:47:33 -04:00
parent 7c09c173a2
commit 3e8bb7a000
2 changed files with 43 additions and 0 deletions
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1
llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
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@ -3469,6 +3469,7 @@ LegalizerHelper::fewerElementsVector(MachineInstr &MI, unsigned TypeIdx,
case G_ADD:
case G_SUB:
case G_MUL:
case G_PTR_ADD:
case G_SMULH:
case G_UMULH:
case G_FADD:

42
llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ptr-add.mir
View File

@ -143,3 +143,45 @@ body: |
%2:_(p999) = G_PTR_ADD %0, %1
$vgpr0_vgpr1 = COPY %2
...
---
name: test_gep_v2p1_v2i64
body: |
bb.0:
liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4_vgpr5_vgpr6_vgpr7
; CHECK-LABEL: name: test_gep_v2p1_v2i64
; CHECK: [[COPY:%[0-9]+]]:_(<2 x p1>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr4_vgpr5_vgpr6_vgpr7
; CHECK: [[UV:%[0-9]+]]:_(p1), [[UV1:%[0-9]+]]:_(p1) = G_UNMERGE_VALUES [[COPY]](<2 x p1>)
; CHECK: [[UV2:%[0-9]+]]:_(s64), [[UV3:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY1]](<2 x s64>)
; CHECK: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[UV]], [[UV2]](s64)
; CHECK: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[UV1]], [[UV3]](s64)
; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p1>) = G_BUILD_VECTOR [[PTR_ADD]](p1), [[PTR_ADD1]](p1)
; CHECK: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x p1>)
%0:_(<2 x p1>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
%1:_(<2 x s64>) = COPY $vgpr4_vgpr5_vgpr6_vgpr7
%2:_(<2 x p1>) = G_PTR_ADD %0, %1
$vgpr0_vgpr1_vgpr2_vgpr3 = COPY %2
...
---
name: test_gep_v2p3_v2s32
body: |
bb.0:
liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
; CHECK-LABEL: name: test_gep_v2p3_v2s32
; CHECK: [[COPY:%[0-9]+]]:_(<2 x p3>) = COPY $vgpr0_vgpr1
; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
; CHECK: [[UV:%[0-9]+]]:_(p3), [[UV1:%[0-9]+]]:_(p3) = G_UNMERGE_VALUES [[COPY]](<2 x p3>)
; CHECK: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
; CHECK: [[PTR_ADD:%[0-9]+]]:_(p3) = G_PTR_ADD [[UV]], [[UV2]](s32)
; CHECK: [[PTR_ADD1:%[0-9]+]]:_(p3) = G_PTR_ADD [[UV1]], [[UV3]](s32)
; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p3>) = G_BUILD_VECTOR [[PTR_ADD]](p3), [[PTR_ADD1]](p3)
; CHECK: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x p3>)
%0:_(<2 x p3>) = COPY $vgpr0_vgpr1
%1:_(<2 x s32>) = COPY $vgpr2_vgpr3
%2:_(<2 x p3>) = G_PTR_ADD %0, %1
$vgpr0_vgpr1 = COPY %2
...