[PATCH] D19488: [CodeGenPrepare] use branch weight metadata to decide if a select should be turned into a branch

Sanjay Patel via llvm-commits llvm-commits at lists.llvm.org
Tue Apr 26 08:57:46 PDT 2016


spatel updated this revision to Diff 55014.
spatel marked an inline comment as done.
spatel added a comment.

Patch updated:

1. Added a cl::opt and code comment for the default min percentage threshold to enable the transform.
2. Rebased to account for http://reviews.llvm.org/rL267491 and http://reviews.llvm.org/rL267504 .
3. Removed trailing whitespace in test file.


http://reviews.llvm.org/D19488

Files:
  include/llvm/IR/Instruction.h
  include/llvm/IR/Instructions.h
  include/llvm/Target/TargetLowering.h
  lib/CodeGen/CodeGenPrepare.cpp
  lib/CodeGen/TargetLoweringBase.cpp
  lib/IR/Instructions.cpp
  lib/IR/Metadata.cpp
  test/CodeGen/X86/cmov-into-branch.ll

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