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(parent: d2056e5) | patch
scev: Better sign-extend removal. Normalize postincrement recurrences
authorAndrew Trick <atrick@apple.com>
Tue, 31 May 2011 21:17:47 +0000 (21:17 +0000)
committerAndrew Trick <atrick@apple.com>
Tue, 31 May 2011 21:17:47 +0000 (21:17 +0000)
commitb1ce4c09ddc321e0e16a42a686eb6b40251df321
treee4a25e298b3232b7adab22f1a8337519bf24c5a5tree | snapshot
parentd2056e51c662765f98413fa071afbff53d87b384commit | diff
scev: Better sign-extend removal. Normalize postincrement recurrences
so that their sign extended forms are congruent when no overflow occurs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132360 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Analysis/ScalarEvolution.cpp diff | blob | history
test/Transforms/IndVarSimplify/elim-extend.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors