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[CodeGen] Avoid repeated hash lookups (NFC) #124885

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merged 1 commit into from
Jan 29, 2025
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[CodeGen] Avoid repeated hash lookups (NFC) #124885

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6 changes: 4 additions & 2 deletions llvm/lib/CodeGen/WinEHPrepare.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -251,7 +251,8 @@ void llvm::calculateCXXStateForAsynchEH(const BasicBlock *BB, int State,
const BasicBlock *BB = WI->Block;
int State = WI->State;
delete WI;
if (EHInfo.BlockToStateMap.count(BB) && EHInfo.BlockToStateMap[BB] <= State)
if (auto It = EHInfo.BlockToStateMap.find(BB);
It != EHInfo.BlockToStateMap.end() && It->second <= State)
continue; // skip blocks already visited by lower State

BasicBlock::const_iterator It = BB->getFirstNonPHIIt();
Expand Down Expand Up @@ -312,7 +313,8 @@ void llvm::calculateSEHStateForAsynchEH(const BasicBlock *BB, int State,
const BasicBlock *BB = WI->Block;
int State = WI->State;
delete WI;
if (EHInfo.BlockToStateMap.count(BB) && EHInfo.BlockToStateMap[BB] <= State)
if (auto It = EHInfo.BlockToStateMap.find(BB);
It != EHInfo.BlockToStateMap.end() && It->second <= State)
continue; // skip blocks already visited by lower State

BasicBlock::const_iterator It = BB->getFirstNonPHIIt();
Expand Down