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[llvm-profgen] Avoid repeated hash lookups (NFC) #130466

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Merged
merged 1 commit into from
Mar 9, 2025
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[llvm-profgen] Avoid repeated hash lookups (NFC) #130466

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6 changes: 3 additions & 3 deletions llvm/tools/llvm-profgen/MissingFrameInferrer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -165,14 +165,14 @@ uint64_t MissingFrameInferrer::computeUniqueTailCallPath(
if (CurSearchingDepth == MaximumSearchDepth)
return 0;


if (!FuncToTailCallMap.count(From))
auto It = FuncToTailCallMap.find(From);
if (It == FuncToTailCallMap.end())
return 0;

CurSearchingDepth++;
Visiting.insert(From);
uint64_t NumPaths = 0;
for (auto TailCall : FuncToTailCallMap[From]) {
for (auto TailCall : It->second) {
NumPaths += computeUniqueTailCallPath(TailCall, To, Path);
// Stop analyzing the remaining if we are already seeing more than one
// reachable paths.
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