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| author | Dan Gohman <gohman@apple.com> | 2011-06-04 00:31:50 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2011-06-04 00:31:50 +0000 |
| commit | fb02cec44e89f53dbb6b87fb774c1d6727a3df83 (patch) | |
| tree | a8f2db14c4deee5d53ad36f7090d80800808546f /clang/lib/CodeGen | |
| parent | 4451cd451156b6ebff0ac0e1895e0fc6312a4709 (diff) | |
| download | bcm5719-llvm-fb02cec44e89f53dbb6b87fb774c1d6727a3df83.tar.gz bcm5719-llvm-fb02cec44e89f53dbb6b87fb774c1d6727a3df83.zip | |
Fix BasicAA's recursion detection so that it doesn't pessimize
queries in the case of a DAG, where a query reaches a node
visited earlier, but it's not on a cycle. This avoids
MayAlias results in cases where BasicAA is expected to
return MustAlias or PartialAlias in order to protect TBAA.
llvm-svn: 132609
Diffstat (limited to 'clang/lib/CodeGen')
0 files changed, 0 insertions, 0 deletions
