[PATCH] D46662: [X86] condition branches folding for three-way conditional codes

[Rong Xu via Phabricator via llvm-commits]

xur updated this revision to Diff 167430.
xur added a comment.

Using new SubtargetFeature method (suggested by Andrea) to make this pass opt-in for subtargets.
Changed the tests accordingly.


https://reviews.llvm.org/D46662

Files:
  lib/Target/X86/CMakeLists.txt
  lib/Target/X86/X86.h
  lib/Target/X86/X86.td
  lib/Target/X86/X86CondBrFolding.cpp
  lib/Target/X86/X86Subtarget.h
  lib/Target/X86/X86TargetMachine.cpp
  test/CodeGen/X86/O3-pipeline.ll
  test/CodeGen/X86/condbr_if.ll
  test/CodeGen/X86/condbr_switch.ll

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