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AMDGPU/GlobalISel: Define instruction mapping for G_SHL 

Patch by Tom Stellard

llvm-svn: 326525
This commit is contained in:
Matt Arsenault 2018-03-02 01:22:10 +00:00
parent 3c7a123ccc
commit d99317f1b3
2 changed files with 69 additions and 0 deletions
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1
llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
View File

@ -287,6 +287,7 @@ AMDGPURegisterBankInfo::getInstrMapping(const MachineInstr &MI) const {
case AMDGPU::G_AND:
case AMDGPU::G_OR:
case AMDGPU::G_XOR:
case AMDGPU::G_SHL:
if (isSALUMapping(MI))
return getDefaultMappingSOP(MI);
return getDefaultMappingVOP(MI);

68
llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-shl.mir Normal file
View File

@ -0,0 +1,68 @@
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -global-isel %s -verify-machineinstrs -o - -regbankselect-fast | FileCheck %s
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -global-isel %s -verify-machineinstrs -o - -regbankselect-greedy | FileCheck %s
---
name: shl_ss
legalized: true
body: |
bb.0:
liveins: $sgpr0, $sgpr1
; CHECK-LABEL: name: shl_ss
; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
; CHECK: [[SHL:%[0-9]+]]:sgpr(s32) = G_SHL [[COPY]], [[COPY1]]
%0:_(s32) = COPY $sgpr0
%1:_(s32) = COPY $sgpr1
%2:_(s32) = G_SHL %0, %1
...
---
name: shl_sv
legalized: true
body: |
bb.0:
liveins: $sgpr0, $vgpr0
; CHECK-LABEL: name: shl_sv
; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; CHECK: [[SHL:%[0-9]+]]:vgpr(s32) = G_SHL [[COPY]], [[COPY1]]
%0:_(s32) = COPY $sgpr0
%1:_(s32) = COPY $vgpr0
%2:_(s32) = G_SHL %0, %1
...
---
name: shl_vs
legalized: true
body: |
bb.0:
liveins: $sgpr0, $vgpr0
; CHECK-LABEL: name: shl_vs
; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
; CHECK: [[SHL:%[0-9]+]]:vgpr(s32) = G_SHL [[COPY]], [[COPY2]]
%0:_(s32) = COPY $vgpr0
%1:_(s32) = COPY $sgpr0
%2:_(s32) = G_SHL %0, %1
...
---
name: shl_vv
legalized: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1
; CHECK-LABEL: name: shl_vv
; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
; CHECK: [[SHL:%[0-9]+]]:vgpr(s32) = G_SHL [[COPY]], [[COPY1]]
%0:_(s32) = COPY $vgpr0
%1:_(s32) = COPY $vgpr1
%2:_(s32) = G_SHL %0, %1
...