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AMDGPU/GlobalISel: Regbank select for fpext

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llvm-svn: 351692
This commit is contained in:
Matt Arsenault 2019-01-20 18:35:41 +00:00
parent dc75546ec1
commit af0f1330ee
2 changed files with 32 additions and 0 deletions
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1
lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
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@ -433,6 +433,7 @@ AMDGPURegisterBankInfo::getInstrMapping(const MachineInstr &MI) const {
case AMDGPU::G_SITOFP:
case AMDGPU::G_UITOFP:
case AMDGPU::G_FPTRUNC:
case AMDGPU::G_FPEXT:
case AMDGPU::G_FEXP2:
case AMDGPU::G_FLOG2:
case AMDGPU::G_INTRINSIC_TRUNC:

31
test/CodeGen/AMDGPU/GlobalISel/regbankselect-fpext.mir Normal file
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@ -0,0 +1,31 @@
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect %s -verify-machineinstrs -o - -regbankselect-fast | FileCheck %s
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect %s -verify-machineinstrs -o - -regbankselect-greedy | FileCheck %s
---
name: fpext_s
legalized: true
body: |
bb.0:
liveins: $sgpr0
; CHECK-LABEL: name: fpext_s
; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; CHECK: [[FPEXT:%[0-9]+]]:vgpr(s64) = G_FPEXT [[COPY]](s32)
%0:_(s32) = COPY $sgpr0
%1:_(s64) = G_FPEXT %0
...
---
name: fpext_v
legalized: true
body: |
bb.0:
liveins: $vgpr0
; CHECK-LABEL: name: fpext_v
; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; CHECK: [[FPEXT:%[0-9]+]]:vgpr(s64) = G_FPEXT [[COPY]](s32)
%0:_(s32) = COPY $vgpr0
%1:_(s64) = G_FPEXT %0
...