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| author | Devang Patel <dpatel@apple.com> | 2007-04-18 01:19:55 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2007-04-18 01:19:55 +0000 |
| commit | 5a713cc72fd56c81e4cccc582f5eb0c731ad7c9f (patch) | |
| tree | 77871a1ebc7f96a6ea097c5d3671deb03fec4322 /lib/Analysis | |
| parent | 8dcd2f1a5bbb9151ec05532861be58bf3f078e63 (diff) | |
| download | external_llvm-5a713cc72fd56c81e4cccc582f5eb0c731ad7c9f.zip external_llvm-5a713cc72fd56c81e4cccc582f5eb0c731ad7c9f.tar.gz external_llvm-5a713cc72fd56c81e4cccc582f5eb0c731ad7c9f.tar.bz2 | |
Cache DT[*SI] lookup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36239 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis')
| -rw-r--r-- | lib/Analysis/PostDominators.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Analysis/PostDominators.cpp b/lib/Analysis/PostDominators.cpp index b239596..add25fd 100644 --- a/lib/Analysis/PostDominators.cpp +++ b/lib/Analysis/PostDominators.cpp @@ -282,10 +282,12 @@ PostDominanceFrontier::calculate(const PostDominatorTree &DT, if (BB) for (pred_iterator SI = pred_begin(BB), SE = pred_end(BB); - SI != SE; ++SI) + SI != SE; ++SI) { // Does Node immediately dominate this predecessor? - if (DT[*SI] && DT[*SI]->getIDom() != Node) + DominatorTree::Node *SINode = DT[*SI]; + if (SINode && SINode->getIDom() != Node) S.insert(*SI); + } // At this point, S is DFlocal. Now we union in DFup's of our children... // Loop through and visit the nodes that Node immediately dominates (Node's |