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(parent: 14bbbf3) | patch
Generalize lsr code that optimize loop to count down towards zero.
authorEvan Cheng <evan.cheng@apple.com>
Tue, 10 Nov 2009 21:14:05 +0000 (21:14 +0000)
committerEvan Cheng <evan.cheng@apple.com>
Tue, 10 Nov 2009 21:14:05 +0000 (21:14 +0000)
commit81ebdcf7dd3c182f5fca352b59b336f79d5da23e
treef70433f5afbf47d879908a09476823a66044902ftree | snapshot
parent14bbbf3168f232152f18e57e99abddcabe433cd9commit | diff
Generalize lsr code that optimize loop to count down towards zero.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86715 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Scalar/LoopStrengthReduce.cpp diff | blob | history
test/Transforms/LoopStrengthReduce/count-to-zero.ll [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors