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Speed up BlockFrequencyInfo a little bit.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136381 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakub Staszak 2011-07-28 20:09:31 +00:00
parent c29769b0e8
commit 2f9427c6a3
1 changed files with 3 additions and 1 deletions
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4
include/llvm/Analysis/BlockFrequencyImpl.h
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@ -224,11 +224,13 @@ class BlockFrequencyImpl {
SmallPtrSet<BlockT *, 8> BlocksInLoop;
for (rpot_iterator I = rpot_at(Head), E = rpot_end(); I != E; ++I) {
for (rpot_iterator I = rpot_at(Head), E = rpot_at(Tail); ; ++I) {
BlockT *BB = *I;
doBlock(BB, Head, BlocksInLoop);
BlocksInLoop.insert(BB);
if (I != E)
break;
}
// Compute loop's cyclic probability using backedges probabilities.