[PATCH] D64273: [AMDGPU] Add test case on crashing of `si-lower-sgpr-spills` pass

[Michael Liao via Phabricator via llvm-commits]

hliao created this revision.
hliao added a reviewer: arsenm.
Herald added subscribers: llvm-commits, t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng, jvesely, kzhuravl, qcolombet.
Herald added a project: LLVM.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D64273

Files:
  llvm/test/CodeGen/AMDGPU/si-lower-sgpr-spills.mir


Index: llvm/test/CodeGen/AMDGPU/si-lower-sgpr-spills.mir
===================================================================
--- /dev/null
+++ llvm/test/CodeGen/AMDGPU/si-lower-sgpr-spills.mir
@@ -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: foo
+# 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:            foo
+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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