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(parent: cd9c2ba) | patch
A number of LSR fixes:
authorEvan Cheng <evan.cheng@apple.com>
Fri, 26 Oct 2007 23:08:19 +0000 (23:08 +0000)
committerEvan Cheng <evan.cheng@apple.com>
Fri, 26 Oct 2007 23:08:19 +0000 (23:08 +0000)
commit168a66b21e71e4c3301c9d4152d4c683a4bef889
tree5d7b807d2c58edf4c489bc8411e3087b2684330ftree | snapshot
parentcd9c2ba7f779225539b30dd6602cc5af6cec2b7acommit | diff
A number of LSR fixes:
- ChangeCompareStride only reuse stride that is larger than current stride. It
  will let the general reuse mechanism to try to reuse a smaller stride.
- Watch out for multiplication overflow in ChangeCompareStride.
- Replace std::set with SmallPtrSet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43408 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Scalar/LoopStrengthReduce.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors