AMDGPU/GlobalISel: Mark 32-bit G_OR as legal

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/D35127

llvm-svn: 309165

diff --git a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
index cc56216..21b2181 100644 (file)
--- a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
@@ -66,6 +66,8 @@ AMDGPULegalizerInfo::AMDGPULegalizerInfo() {
   setAction({G_LOAD, 1, P1}, Legal);
   setAction({G_LOAD, 1, P2}, Legal);
 
+  setAction({G_OR, S32}, Legal);
+
   setAction({G_SELECT, S32}, Legal);
   setAction({G_SELECT, 1, S1}, Legal);
 

diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-or.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-or.mir
new file mode 100644 (file)
index 0000000..4057e41
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-or.mir
@@ -0,0 +1,21 @@
+# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -O0 -run-pass=legalizer -global-isel %s -o - | FileCheck %s
+
+--- |
+  define void @test_or() { ret void }
+...
+---
+name:            test_or
+registers:
+  - { id: 0, class: _ }
+  - { id: 1, class: _ }
+  - { id: 2, class: _ }
+body: |
+  bb.0:
+    liveins: %vgpr0, %vgpr1
+    ; CHECK-LABEL: name: test_or
+    ; CHECK: %2(s32) = G_OR %0, %1
+
+    %0(s32) = COPY %vgpr0
+    %1(s32) = COPY %vgpr1
+    %2(s32) = G_OR %0, %1
+...