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(parent: 96fd766) | patch
require that the branch being controlled by the IV
authorChris Lattner <sabre@nondot.org>
Sat, 3 Apr 2010 07:21:39 +0000 (07:21 +0000)
committerChris Lattner <sabre@nondot.org>
Sat, 3 Apr 2010 07:21:39 +0000 (07:21 +0000)
commitd52c072777b9c9a9df9041b8b6cd199df7e43394
tree8613edc48bf93d4ed8e0cff21bbb2c3b528f8f5ctree | snapshot
parent96fd76638b6be492c5e470c3b9d5ca12628be5a9commit | diff
require that the branch being controlled by the IV
exits the loop.  With this information we can guarantee
the iteration count of the loop is bounded by the
compare.  I think this xforms is finally safe now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100285 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Scalar/IndVarSimplify.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors