[llvm] r366602 - [AMDGPU] Add test case on crashing of `si-lower-sgpr-spills` pass
Michael Liao via llvm-commits
llvm-commits at lists.llvm.org
Fri Jul 19 11:50:53 PDT 2019
Author: hliao
Date: Fri Jul 19 11:50:53 2019
New Revision: 366602
URL: http://llvm.org/viewvc/llvm-project?rev=366602&view=rev
Log:
[AMDGPU] Add test case on crashing of `si-lower-sgpr-spills` pass
Reviewers: arsenm
Subscribers: qcolombet, kzhuravl, jvesely, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D64273
Added:
llvm/trunk/test/CodeGen/AMDGPU/si-lower-sgpr-spills.mir
Added: llvm/trunk/test/CodeGen/AMDGPU/si-lower-sgpr-spills.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/si-lower-sgpr-spills.mir?rev=366602&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/si-lower-sgpr-spills.mir (added)
+++ llvm/trunk/test/CodeGen/AMDGPU/si-lower-sgpr-spills.mir Fri Jul 19 11:50:53 2019
@@ -0,0 +1,20 @@
+# RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -run-pass=si-lower-sgpr-spills -o - %s | FileCheck %s
+
+# CHECK-LABEL: name: empty_entry_block
+# CHECK: V_WRITELANE
+# CHECK-NEXT: V_WRITELANE
+# CHECK-NEXT: V_WRITELANE
+# CHECK-NEXT: V_WRITELANE
+# CHECK: V_READLANE
+# CHECK-NEXT: V_READLANE
+# CHECK-NEXT: V_READLANE
+# CHECK-NEXT: V_READLANE
+---
+name: empty_entry_block
+body: |
+ bb.0:
+
+ bb.1:
+ renamable $sgpr36_sgpr37 = S_XOR_B64 renamable $vcc, -1, implicit-def dead $scc
+ $sgpr34_sgpr35 = S_AND_SAVEEXEC_B64 $sgpr36_sgpr37, implicit-def $exec, implicit-def $scc, implicit $exec
+ S_ENDPGM 0
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