[PATCH] D58096: [LowerSwitch][AMDGPU] Do not handle impossible values

[Roman Tereshin via Phabricator via llvm-commits]

rtereshin updated this revision to Diff 186985.
rtereshin added a comment.

1. Addressed comments
2. Refined the switch's operand constraints with known bits and added corresponding tests (all based on real-world cases)


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D58096/new/

https://reviews.llvm.org/D58096

Files:
  lib/Transforms/Utils/LowerSwitch.cpp
  test/CodeGen/AMDGPU/valu-i1.ll
  test/Transforms/LowerSwitch/do-not-handle-impossible-values.ll
  test/Transforms/Util/lowerswitch.ll

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