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(parent: 1c40e18) | patch
Indvars needs to explicitly notify ScalarEvolution when it is replacing
authorDan Gohman <gohman@apple.com>
Thu, 18 Feb 2010 23:26:33 +0000 (23:26 +0000)
committerDan Gohman <gohman@apple.com>
Thu, 18 Feb 2010 23:26:33 +0000 (23:26 +0000)
commitaa11defd1c66dbde0c757c99791c4ae4d740fc3e
treea8b39fb2b0d7b3248227a27ac9c24db838ac7567tree | snapshot
parent1c40e188c579c49f811eee499af2f371298c758ccommit | diff
Indvars needs to explicitly notify ScalarEvolution when it is replacing
a loop exit value, so that if a loop gets deleted, ScalarEvolution
isn't stick holding on to dangling SCEVAddRecExprs for that loop. This
fixes PR6339.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96626 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/Analysis/ScalarEvolution.h diff | blob | history
lib/Analysis/ScalarEvolution.cpp diff | blob | history
lib/Transforms/Scalar/IndVarSimplify.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors