[PATCH] D129667: [AMDGPU] Update the mechanism used to check for cycles and add eges in power-sched mutation

[Jeffrey Byrnes via Phabricator via llvm-commits]

jrbyrnes updated this revision to Diff 444708.
jrbyrnes added a comment.

Address review comments.

Additionally, add some quick checks to potentially avoid calls to DAG->canAddEdge() / handle edge case where ExitSU is treated as predecessor in DAG->canAddEdge()


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D129667/new/

https://reviews.llvm.org/D129667

Files:
  llvm/lib/Target/AMDGPU/AMDGPUSubtarget.cpp
  llvm/test/CodeGen/AMDGPU/power-sched-no-cycle.mir

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