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(parent: aace0f2) | patch
Fix LoopSimplify to notify ScalarEvolution when splitting a loop backedge
authorDan Gohman <gohman@apple.com>
Sat, 4 Sep 2010 02:42:48 +0000 (02:42 +0000)
committerDan Gohman <gohman@apple.com>
Sat, 4 Sep 2010 02:42:48 +0000 (02:42 +0000)
commitffa75cdcf82ef2034249a313b9276eaa1bee6c43
treec6c62ef6b26365a814b84fb17df1df50a07ed855tree | snapshot
parentaace0f295b0e2467a38424aa7ead34de09b3f37dcommit | diff
Fix LoopSimplify to notify ScalarEvolution when splitting a loop backedge
into an inner loop, as the new loop iteration may differ substantially.
This fixes PR8078.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113057 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Utils/LoopSimplify.cpp diff | blob | history
test/Transforms/LoopSimplify/preserve-scev.ll [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors