[PATCH] D18427: CodeGen: Add DetectDeadLanes pass.

[Matthias Braun via llvm-commits]

MatzeB updated this revision to Diff 52006.
MatzeB marked an inline comment as done.
MatzeB added a comment.

Change REG_SEQUENCE transfer function to make no assumptions about the order in which subregisters are processed, this is more conservative in the case that the subreg indexes overlap and allows a nicer forward loop.


Repository:
  rL LLVM

http://reviews.llvm.org/D18427

Files:
  include/llvm/CodeGen/Passes.h
  include/llvm/InitializePasses.h
  lib/CodeGen/CMakeLists.txt
  lib/CodeGen/CodeGen.cpp
  lib/CodeGen/DetectDeadLanes.cpp
  lib/CodeGen/Passes.cpp
  test/CodeGen/AMDGPU/detect-dead-lanes.mir

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