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| author | Nick Lewycky <nicholas@mxc.ca> | 2008-05-27 00:59:05 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2008-05-27 00:59:05 +0000 |
| commit | 3ebe82b57a57b643a73bcad07a3ff415e12a2900 (patch) | |
| tree | f5a3283cbca7caf758ce866b1f32eaed5fa679e6 /llvm/lib/Transforms/Scalar/PredicateSimplifier.cpp | |
| parent | 6be65d2a84cc67cb82384dace804187c33f06202 (diff) | |
| download | bcm5719-llvm-3ebe82b57a57b643a73bcad07a3ff415e12a2900.tar.gz bcm5719-llvm-3ebe82b57a57b643a73bcad07a3ff415e12a2900.zip | |
InequalityGraph::node() can create new nodes, invalidating iterators across
the set of nodes. Fix makeEqual to handle this by creating the new node first
then iterating across them second.
llvm-svn: 51573
Diffstat (limited to 'llvm/lib/Transforms/Scalar/PredicateSimplifier.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/PredicateSimplifier.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/PredicateSimplifier.cpp b/llvm/lib/Transforms/Scalar/PredicateSimplifier.cpp index 9befdc7bc90..2672e4e762a 100644 --- a/llvm/lib/Transforms/Scalar/PredicateSimplifier.cpp +++ b/llvm/lib/Transforms/Scalar/PredicateSimplifier.cpp @@ -1594,6 +1594,7 @@ namespace { if (mergeIGNode) { // Create N1. if (!n1) n1 = VN.getOrInsertVN(V1, Top); + IG.node(n1); // Ensure that IG.Nodes won't get resized // Migrate relationships from removed nodes to N1. for (SetVector<unsigned>::iterator I = Remove.begin(), E = Remove.end(); |
