[PATCH] D124194: [AMDGPU] Correctly set `IsKill` flag for VGPR custom spills in the prolog

[Christudasan Devadasan via Phabricator via llvm-commits]

cdevadas added inline comments.


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Comment at: llvm/test/CodeGen/AMDGPU/track-spilled-vgpr-liveness.mir:1
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx906 -run-pass=prologepilog -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
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foad wrote:
> Can you precommit this test so we can see the diff?
Prior to this patch, the test would end up with a verifier error complaining undefined register used.
It is because we unconditionally mark 'killed'  for the register in the prolog spill and the use following that will be flagged by the verifier.
 


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D124194/new/

https://reviews.llvm.org/D124194