[PATCH] D36081: [X86] Improved X86::CMOV to Branch heuristic

Mon Jul 31 10:04:13 PDT 2017

aaboud updated this revision to Diff 108946.
aaboud added a comment.

Added couple of tests that represents the bug in PR33954 and cover the change in the patch.
Notice that I needed to modify one of the previous tests.
I measured the performance manually on a small manually written main function, and noticed improvement with the new decision - as explained in the LIT test pr33954.ll.

https://reviews.llvm.org/D36081

Files:
  lib/Target/X86/X86CmovConversion.cpp
  test/CodeGen/X86/pr33954.ll
  test/CodeGen/X86/x86-cmov-converter.ll

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