[PATCH] Teach IndVarSimplify to add nuw and nsw to operations that provably don't overflow.
Sanjoy Das
sanjoy at playingwithpointers.com
Tue Jan 6 11:04:25 PST 2015
REPOSITORY
rL LLVM
http://reviews.llvm.org/D6748
Files:
llvm/trunk/lib/Transforms/Utils/SimplifyIndVar.cpp
llvm/trunk/test/Transforms/BBVectorize/loop1.ll
llvm/trunk/test/Transforms/IndVarSimplify/2011-09-10-widen-nsw.ll
llvm/trunk/test/Transforms/IndVarSimplify/strengthen-overflow.ll
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