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(parent: 76bd938) | patch
SCEVTraversal: Add a visited set.
authorAndrew Trick <atrick@apple.com>
Wed, 18 Jul 2012 05:14:03 +0000 (05:14 +0000)
committerAndrew Trick <atrick@apple.com>
Wed, 18 Jul 2012 05:14:03 +0000 (05:14 +0000)
commit18a1b616ea123548b61a037c4f4fea4133aac1b5
treef41fafe249013177ea6e9283fa9e75351c9837dctree | snapshot
parent76bd9386f1e1487a49c7c34ff95078dea20e3154commit | diff
SCEVTraversal: Add a visited set.

Expression trees may be DAGs. Make sure traversal has linear complexity.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160426 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/Analysis/ScalarEvolutionExpressions.h diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors