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CodeGen: Fix null dereference before null check

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This commit is contained in:
Matt Arsenault 2021-05-10 20:56:24 -04:00
parent f3383e948b
commit 7612bae7b7
1 changed files with 8 additions and 2 deletions
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10
lib/CodeGen/MachineBlockFrequencyInfo.cpp
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@ -233,14 +233,20 @@ MachineBlockFrequencyInfo::getBlockFreq(const MachineBasicBlock *MBB) const {
Optional<uint64_t> MachineBlockFrequencyInfo::getBlockProfileCount(
const MachineBasicBlock *MBB) const {
if (!MBFI)
return None;
const Function &F = MBFI->getFunction()->getFunction();
return MBFI ? MBFI->getBlockProfileCount(F, MBB) : None;
return MBFI->getBlockProfileCount(F, MBB);
}
Optional<uint64_t>
MachineBlockFrequencyInfo::getProfileCountFromFreq(uint64_t Freq) const {
if (!MBFI)
return None;
const Function &F = MBFI->getFunction()->getFunction();
return MBFI ? MBFI->getProfileCountFromFreq(F, Freq) : None;
return MBFI->getProfileCountFromFreq(F, Freq);
}
bool MachineBlockFrequencyInfo::isIrrLoopHeader(