[PATCH] D36007: [AMDGPU] Turn s_and_saveexec_b64 into s_and_b64 if result is unused

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec updated this revision to Diff 109251.
rampitec added a comment.

Rebase to master


https://reviews.llvm.org/D36007

Files:
  lib/Target/AMDGPU/SIOptimizeExecMasking.cpp
  lib/Target/AMDGPU/SIOptimizeExecMaskingPreRA.cpp
  test/CodeGen/AMDGPU/collapse-endcf.ll
  test/CodeGen/AMDGPU/reduce-saveexec.mir

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