[PATCH] D116714: AMDGPU: Fix LiveVariables error after optimizing VGPR ranges

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: ruiling, critson, foad, rampitec, AMDGPU.
Herald added subscribers: kerbowa, hiraditya, t-tye, Anastasia, tpr, dstuttard, yaxunl, nhaehnle, jvesely, kzhuravl, MatzeB.
arsenm requested review of this revision.
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This was not removing the block from the live set depending on the
specific depth first visit order. Fixes a verifier error in the OpenCL
conformance tests.


https://reviews.llvm.org/D116714

Files:
  llvm/lib/Target/AMDGPU/SIOptimizeVGPRLiveRange.cpp
  llvm/test/CodeGen/AMDGPU/block-should-not-be-in-alive-blocks.mir
  llvm/test/CodeGen/AMDGPU/vgpr-liverange-ir.ll

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