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| author | Gabor Greif <ggreif@gmail.com> | 2010-07-22 11:07:46 +0000 |
|---|---|---|
| committer | Gabor Greif <ggreif@gmail.com> | 2010-07-22 11:07:46 +0000 |
| commit | 3d8586eb6384f22984e8c519ea9742eac68c9724 (patch) | |
| tree | a0344049d21a4c1ba4a20f1811d1a20b199382f2 /lib | |
| parent | a399781289092fcdceb58b21174229f4373c4191 (diff) | |
| download | external_llvm-3d8586eb6384f22984e8c519ea9742eac68c9724.zip external_llvm-3d8586eb6384f22984e8c519ea9742eac68c9724.tar.gz external_llvm-3d8586eb6384f22984e8c519ea9742eac68c9724.tar.bz2 | |
cache dereferenced iterator
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109093 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Analysis/RegionInfo.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/Analysis/RegionInfo.cpp b/lib/Analysis/RegionInfo.cpp index 589cc47..4c07712 100644 --- a/lib/Analysis/RegionInfo.cpp +++ b/lib/Analysis/RegionInfo.cpp @@ -315,10 +315,11 @@ void Region::clearNodeCache() { bool RegionInfo::isCommonDomFrontier(BasicBlock *BB, BasicBlock *entry, BasicBlock *exit) const { - for (pred_iterator PI = pred_begin(BB), PE = pred_end(BB); PI != PE; ++PI) - if (DT->dominates(entry, *PI) && !DT->dominates(exit, *PI)) + for (pred_iterator PI = pred_begin(BB), PE = pred_end(BB); PI != PE; ++PI) { + BasicBlock *P = *PI; + if (DT->dominates(entry, P) && !DT->dominates(exit, P)) return false; - + } return true; } |