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| author | Owen Anderson <resistor@mac.com> | 2011-04-14 21:35:50 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2011-04-14 21:35:50 +0000 |
| commit | f6832bbda08b6975caa264de183bf3ee1d472aca (patch) | |
| tree | c68ce481543c526392f0af9048788eb165ef6782 /lib/Bitcode/Writer/ValueEnumerator.cpp | |
| parent | 481823aa819ea1dd25567ae616dca93056ef770a (diff) | |
Fix an infinite alternation in JumpThreading where two transforms would repeatedly undo each other. The solution is to perform more aggressive constant folding to make one of the edges just folded away rather than trying to thread it.
Fixes <rdar://problem/9284786>.
Discovered with CSmith.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129538 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Bitcode/Writer/ValueEnumerator.cpp')
0 files changed, 0 insertions, 0 deletions