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[AMDGPU] Add test case on crashing of si-lower-sgpr-spills pass

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Reviewers: arsenm

Subscribers: qcolombet, kzhuravl, jvesely, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64273

llvm-svn: 366602
This commit is contained in:
Michael Liao 2019-07-19 18:50:53 +00:00
parent c56d9ef695
commit 5f9a32dcb3
1 changed files with 20 additions and 0 deletions
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20
test/CodeGen/AMDGPU/si-lower-sgpr-spills.mir Normal file
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# 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