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AMDGPU/GlobalISel: Fix G_IMPLICIT_DEF for pointers 

llvm-svn: 335485
This commit is contained in:
Matt Arsenault 2018-06-25 15:42:12 +00:00
parent e555127435
commit b3feccd7fa
2 changed files with 86 additions and 8 deletions
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6
llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
View File

@ -70,7 +70,11 @@ AMDGPULegalizerInfo::AMDGPULegalizerInfo(const SISubtarget &ST,
getActionDefinitionsBuilder(G_FCONSTANT)
.legalFor({S32, S64});
getActionDefinitionsBuilder({G_IMPLICIT_DEF, G_CONSTANT})
getActionDefinitionsBuilder(G_IMPLICIT_DEF)
.legalFor({S1, S32, S64,
GlobalPtr, ConstantPtr, LocalPtr, FlatPtr, PrivatePtr});
getActionDefinitionsBuilder(G_CONSTANT)
.legalFor({S1, S32, S64});
// FIXME: i1 operands to intrinsics should always be legal, but other i1

88
llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-implicit-def.mir
View File

@ -1,25 +1,99 @@
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -run-pass=instruction-select -verify-machineinstrs -global-isel %s -o - | FileCheck %s -check-prefixes=GCN
--- |
define amdgpu_kernel void @implicit_def(i32 addrspace(1)* %global0) {ret void}
...
---
name: implicit_def
name: implicit_def_s32
legalized: true
regBankSelected: true
body: |
bb.0:
liveins: $vgpr3_vgpr4
; GCN-LABEL: name: implicit_def
; GCN-LABEL: name: implicit_def_s32
; GCN: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
; GCN: [[DEF:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF
; GCN: FLAT_STORE_DWORD [[COPY]], [[DEF]], 0, 0, 0, implicit $exec, implicit $flat_scr
%0:vgpr(s64) = COPY $vgpr3_vgpr4
%1:vgpr(s32) = G_IMPLICIT_DEF
G_STORE %1, %0 :: (store 4 into %ir.global0)
G_STORE %1, %0 :: (store 4)
...
---
name: implicit_def_s64
legalized: true
regBankSelected: true
body: |
bb.0:
liveins: $vgpr3_vgpr4
; GCN-LABEL: name: implicit_def_s64
; GCN: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr3_vgpr4
; GCN: [[DEF:%[0-9]+]]:vreg_64 = IMPLICIT_DEF
; GCN: FLAT_STORE_DWORDX2 [[COPY]], [[DEF]], 0, 0, 0, implicit $exec, implicit $flat_scr
%0:vgpr(s64) = COPY $vgpr3_vgpr4
%1:vgpr(s64) = G_IMPLICIT_DEF
G_STORE %1, %0 :: (store 8)
---
---
name: implicit_def_p0
legalized: true
regBankSelected: true
body: |
bb.0:
%0:vgpr(p0) = G_IMPLICIT_DEF
%1:vgpr(s32) = G_CONSTANT 4
G_STORE %1, %0 :: (store 4)
...
---
name: implicit_def_p1
legalized: true
regBankSelected: true
body: |
bb.0:
; GCN-LABEL: name: implicit_def_p1
; GCN: [[DEF:%[0-9]+]]:vreg_64 = IMPLICIT_DEF
; GCN: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 4, implicit $exec
; GCN: FLAT_STORE_DWORD [[DEF]], [[V_MOV_B32_e32_]], 0, 0, 0, implicit $exec, implicit $flat_scr
%0:vgpr(p1) = G_IMPLICIT_DEF
%1:vgpr(s32) = G_CONSTANT 4
G_STORE %1, %0 :: (store 4)
...
---
name: implicit_def_p3
legalized: true
regBankSelected: true
body: |
bb.0:
; GCN-LABEL: name: implicit_def_p3
; GCN: [[DEF:%[0-9]+]]:vreg_64 = IMPLICIT_DEF
; GCN: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 4, implicit $exec
; GCN: FLAT_STORE_DWORD [[DEF]], [[V_MOV_B32_e32_]], 0, 0, 0, implicit $exec, implicit $flat_scr
%0:vgpr(p3) = G_IMPLICIT_DEF
%1:vgpr(s32) = G_CONSTANT 4
G_STORE %1, %0 :: (store 4)
...
---
name: implicit_def_p4
legalized: true
regBankSelected: true
body: |
bb.0:
; GCN-LABEL: name: implicit_def_p4
; GCN: [[DEF:%[0-9]+]]:vreg_64 = IMPLICIT_DEF
; GCN: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 4, implicit $exec
; GCN: FLAT_STORE_DWORD [[DEF]], [[V_MOV_B32_e32_]], 0, 0, 0, implicit $exec, implicit $flat_scr
%0:vgpr(p4) = G_IMPLICIT_DEF
%1:vgpr(s32) = G_CONSTANT 4
G_STORE %1, %0 :: (store 4)
...