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Allow getBlockFreq to return 0.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135742 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakub Staszak
2011-07-22 02:24:57 +00:00
parent 558cc5a914
commit 23f34f1c22
5 changed files with 19 additions and 20 deletions
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7
include/llvm/Analysis/BlockFrequencyImpl.h
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@ -314,13 +314,12 @@ class BlockFrequencyImpl {
}
public:
/// getBlockFreq - Return block frequency. Never return 0, value must be
/// positive.
/// getBlockFreq - Return block frequency. Return 0 if we don't have it.
uint32_t getBlockFreq(BlockT *BB) const {
typename DenseMap<BlockT *, uint32_t>::const_iterator I = Freqs.find(BB);
if (I != Freqs.end())
return I->second ? I->second : 1;
return 1;
return I->second;
return 0;
}
void print(raw_ostream &OS) const {