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AMDGPU/GlobalISel: Mark 32/64-bit G_FCMP as legal 

Patch by Tom Stellard

llvm-svn: 326465
This commit is contained in:
Matt Arsenault 2018-03-01 19:09:16 +00:00
parent dd022ce064
commit 8e80a5fbca
2 changed files with 39 additions and 0 deletions
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4
llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
View File

@ -54,6 +54,10 @@ AMDGPULegalizerInfo::AMDGPULegalizerInfo() {
setAction({G_FADD, S32}, Legal);
setAction({G_FCMP, S1}, Legal);
setAction({G_FCMP, 1, S32}, Legal);
setAction({G_FCMP, 1, S64}, Legal);
setAction({G_FMUL, S32}, Legal);
setAction({G_FPTOSI, S32}, Legal);

35
llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-fcmp.mir Normal file
View File

@ -0,0 +1,35 @@
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=legalizer -global-isel %s -o - | FileCheck %s
---
name: test_fcmp_f32
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
body: |
bb.0:
liveins: $vgpr0
; CHECK-LABEL: name: test_fcmp_f32
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
%0(s32) = G_CONSTANT i32 0
%1(s32) = COPY $vgpr0
%2(s1) = G_FCMP floatpred(uge), %0, %1
...
---
name: test_fcmp_f64
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
body: |
bb.0:
liveins: $vgpr0_vgpr1
; CHECK-LABEL: name: test_fcmp_f64
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
%0(s64) = G_CONSTANT i64 0
%1(s64) = COPY $vgpr0_vgpr1
%2(s1) = G_FCMP floatpred(uge), %0, %1
...