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| author | Gabor Greif <ggreif@gmail.com> | 2010-07-09 09:50:51 +0000 |
|---|---|---|
| committer | Gabor Greif <ggreif@gmail.com> | 2010-07-09 09:50:51 +0000 |
| commit | 05f6a416cfadd0bc700b07fc992803021084662c (patch) | |
| tree | 73f6292200ee8db6aa8663ff8127e1be42dec4c2 /include/llvm/Analysis | |
| parent | 46b5b830711030cf5ddd7b177a3da8428a3afca5 (diff) | |
| download | external_llvm-05f6a416cfadd0bc700b07fc992803021084662c.zip external_llvm-05f6a416cfadd0bc700b07fc992803021084662c.tar.gz external_llvm-05f6a416cfadd0bc700b07fc992803021084662c.tar.bz2 | |
reuse result of operator*, it is expensive to recompute
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107959 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Analysis')
| -rw-r--r-- | include/llvm/Analysis/LoopInfo.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/include/llvm/Analysis/LoopInfo.h b/include/llvm/Analysis/LoopInfo.h index 7b38052..9be01dd 100644 --- a/include/llvm/Analysis/LoopInfo.h +++ b/include/llvm/Analysis/LoopInfo.h @@ -757,9 +757,11 @@ public: typedef GraphTraits<Inverse<BlockT*> > InvBlockTraits; for (typename InvBlockTraits::ChildIteratorType I = InvBlockTraits::child_begin(BB), E = InvBlockTraits::child_end(BB); - I != E; ++I) - if (DT.dominates(BB, *I)) // If BB dominates its predecessor... - TodoStack.push_back(*I); + I != E; ++I) { + typename InvBlockTraits::NodeType *N = *I; + if (DT.dominates(BB, N)) // If BB dominates its predecessor... + TodoStack.push_back(N); + } if (TodoStack.empty()) return 0; // No backedges to this block... |