[llvm] r326481 - AMDGPU/GlobalISel: Mark i32->i64 zext as legal

[Matt Arsenault via llvm-commits]

Author: arsenm
Date: Thu Mar  1 12:56:21 2018
New Revision: 326481

URL: http://llvm.org/viewvc/llvm-project?rev=326481&view=rev
Log:
AMDGPU/GlobalISel: Mark i32->i64 zext as legal

Added:
    llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/legalize-zext.mir
Modified:
    llvm/trunk/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp

Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp?rev=326481&r1=326480&r2=326481&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp Thu Mar  1 12:56:21 2018
@@ -66,6 +66,9 @@ AMDGPULegalizerInfo::AMDGPULegalizerInfo
 
   setAction({G_FMUL, S32}, Legal);
 
+  setAction({G_ZEXT, S64}, Legal);
+  setAction({G_ZEXT, 1, S32}, Legal);
+
   setAction({G_FPTOSI, S32}, Legal);
   setAction({G_FPTOSI, 1, S32}, Legal);
 

Added: llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/legalize-zext.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/legalize-zext.mir?rev=326481&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/legalize-zext.mir (added)
+++ llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/legalize-zext.mir Thu Mar  1 12:56:21 2018
@@ -0,0 +1,14 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -run-pass=legalizer -global-isel %s -o - | FileCheck %s
+
+---
+name: test_zext_i32_to_i64
+body: |
+  bb.0.entry:
+    liveins: $vgpr0
+
+    ; CHECK-LABEL: name: test_zext_i32_to_i64
+    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
+    %0:_(s32) = COPY $vgpr0
+    %1:_(s64) = G_ZEXT %0
+...