[PATCH] D38212: [PowerPC] Add profitablilty check for conversion to mtctr loops

[Lei Huang via Phabricator via llvm-commits]

lei updated this revision to Diff 116629.
lei added a comment.

Since we are preventing the compiler from converting short loops to ctr loops, updating the ctr-minmaxnum.ll checks to be more restrictive and add default behaviour tests for the A2 core.


https://reviews.llvm.org/D38212

Files:
  lib/Target/PowerPC/PPCCTRLoops.cpp
  test/CodeGen/PowerPC/ctr-minmaxnum.ll
  test/CodeGen/PowerPC/ctrloop-shortLoops.ll

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