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(parent: ed0e4c8) | patch
indvars: generalize SCEV getPreStartForSignExtend.
authorAndrew Trick <atrick@apple.com>
Wed, 28 Sep 2011 17:02:54 +0000 (17:02 +0000)
committerAndrew Trick <atrick@apple.com>
Wed, 28 Sep 2011 17:02:54 +0000 (17:02 +0000)
commitf63ae2159d2c20ea239e4c6d4e74bd2f14ebd408
tree4900225107d73763e0f5d11b1b8e0839174a64cftree | snapshot
parented0e4c85c4c022ca593d5651b88ddfbc86730ba6commit | diff
indvars: generalize SCEV getPreStartForSignExtend.

Handle general Add expressions to avoid leaving around redundant
32-bit IVs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140701 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Analysis/ScalarEvolution.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors