[PATCH] D14851: Add Branch Hints for Highly Biased Branches on PPC

[Thomas Jablin via llvm-commits]

tjablin created this revision.
tjablin added reviewers: kbarton, hfinkel.
tjablin added a subscriber: llvm-commits.

This branch adds hints for highly biased branches on the PPC architecture. Even in absence of profiling information, LLVM will mark code reaching unreachable terminators and other exceptional control flow constructs as highly unlikely to be reached.

http://reviews.llvm.org/D14851

Files:
  lib/Target/PowerPC/MCTargetDesc/PPCPredicates.h
  lib/Target/PowerPC/PPCISelDAGToDAG.cpp
  lib/Target/PowerPC/PPCInstrInfo.cpp
  test/CodeGen/PowerPC/branch-hint.ll

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