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(parent: 232c8b4) | patch
When looking for loop-invariant users, look through no-op instructions,
authorDan Gohman <gohman@apple.com>
Fri, 9 Apr 2010 19:12:34 +0000 (19:12 +0000)
committerDan Gohman <gohman@apple.com>
Fri, 9 Apr 2010 19:12:34 +0000 (19:12 +0000)
commit4a2a68336638e99a475b09a9278399db6749618f
tree15e69c500527ea30be33e9b68daba8acdd470d45tree | snapshot
parent232c8b4d260085731b12bca90ab82aaebbae5f98commit | diff
When looking for loop-invariant users, look through no-op instructions,
so that an unfortunately placed bitcast doesn't pin a value in a
register.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100883 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Scalar/LoopStrengthReduce.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors