[PATCH] D34589: AMDGPU/GlobalISel: Mark 32-bit G_SHL as legal
Tom Stellard via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Jun 23 18:08:52 PDT 2017
tstellar created this revision.
Herald added subscribers: t-tye, tpr, dstuttard, igorb, kristof.beyls, rovka, yaxunl, nhaehnle, wdng, kzhuravl.
https://reviews.llvm.org/D34589
Files:
lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
test/CodeGen/AMDGPU/GlobalISel/legalize-shl.mir
Index: test/CodeGen/AMDGPU/GlobalISel/legalize-shl.mir
===================================================================
--- /dev/null
+++ test/CodeGen/AMDGPU/GlobalISel/legalize-shl.mir
@@ -0,0 +1,18 @@
+# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -O0 -run-pass=legalizer -global-isel %s -o - | FileCheck %s
+
+---
+name: test_shl
+registers:
+ - { id: 0, class: _ }
+ - { id: 1, class: _ }
+ - { id: 2, class: _ }
+body: |
+ bb.0.entry:
+ liveins: %vgpr0, %vgpr1
+ ; CHECK-LABEL: name: test_shl
+ ; CHECK: %2(s32) = G_SHL %0, %1
+
+ %0(s32) = COPY %vgpr0
+ %1(s32) = COPY %vgpr1
+ %2(s32) = G_SHL %0, %1
+...
Index: lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
===================================================================
--- lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
+++ lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
@@ -69,6 +69,8 @@
setAction({G_SELECT, S32}, Legal);
setAction({G_SELECT, 1, S1}, Legal);
+ setAction({G_SHL, S32}, Legal);
+
setAction({G_STORE, S32}, Legal);
setAction({G_STORE, 1, P1}, Legal);
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