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AMDGPU/GlobalISel: Mark 32-bit integer constants as legal

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Reviewers: arsenm

Reviewed By: arsenm

Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, rovka, kristof.beyls, igorb, dstuttard, tpr, t-tye, llvm-commits

Differential Revision: https://reviews.llvm.org/D33115

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@302919 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard 2017-05-12 16:46:46 +00:00
parent f0dc104a36
commit f366f4cc57
2 changed files with 21 additions and 0 deletions
lib/Target/AMDGPU
AMDGPULegalizerInfo.cpp
test/CodeGen/AMDGPU/GlobalISel
legalize-constant.mir

1
lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp

@ -33,6 +33,7 @@ AMDGPULegalizerInfo::AMDGPULegalizerInfo() {
const LLT P1 = LLT::pointer(1, 64);
const LLT P2 = LLT::pointer(2, 64);
setAction({G_CONSTANT, S32}, Legal);
setAction({G_CONSTANT, S64}, Legal);
setAction({G_GEP, P1}, Legal);

20
test/CodeGen/AMDGPU/GlobalISel/legalize-constant.mir Normal file

@ -0,0 +1,20 @@
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -O0 -run-pass=legalizer -global-isel %s -o - | FileCheck %s
--- |
define void @test_constant() {
entry:
ret void
}
...
---
name: test_constant
registers:
- { id: 0, class: _ }
body: |
bb.0.entry:
; CHECK-LABEL: name: test_constant
; CHECK: %0(s32) = G_CONSTANT i32 5
%0(s32) = G_CONSTANT i32 5
...