[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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@366602 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Liao
2019-07-19 18:50:53 +00:00
parent 2764d5203c
commit 5c9501e1d8
@@ -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