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(parent: b8d936b) | patch
indvars: incremental fixes for -disable-iv-rewrite and testcases.
authorAndrew Trick <atrick@apple.com>
Thu, 26 May 2011 00:46:11 +0000 (00:46 +0000)
committerAndrew Trick <atrick@apple.com>
Thu, 26 May 2011 00:46:11 +0000 (00:46 +0000)
commitfcdc9a44e59ff2846c6f929e91c90ee34e6ba5d5
tree17d2abd891966ecf8ac6e0c18b9e8d4146ea9f7ftree | snapshot
parentb8d936bc179ddf31b6350015d74900b74db6b450commit | diff
indvars: incremental fixes for -disable-iv-rewrite and testcases.

Use a proper worklist for use-def traversal without holding onto an
iterator. Now that we process all IV uses, we need complete logic for
resusing existing derived IV defs. See HoistStep.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132103 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Scalar/IndVarSimplify.cpp diff | blob | history
test/Transforms/IndVarSimplify/elim-extend.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors