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(parent: 1fac6b5) | patch
Teach SCEV to report a max backedge count in one interesting case in
authorNick Lewycky <nicholas@mxc.ca>
Mon, 5 Sep 2011 23:25:16 +0000 (23:25 +0000)
committerNick Lewycky <nicholas@mxc.ca>
Mon, 5 Sep 2011 23:25:16 +0000 (23:25 +0000)
commit77b7352db027cb486d25a92c2756c379a3073d7f
tree37abbda921f303171f556c95b34bb734a62fa18dtree | snapshot
parent1fac6b50ea720d75fc2bf01a288e99f239869e90commit | diff
Teach SCEV to report a max backedge count in one interesting case in
HowFarToZero; the case for a canonical loop.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139126 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Analysis/ScalarEvolution.cpp diff | blob | history
test/Analysis/ScalarEvolution/max-trip-count.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors