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[SelectionDAG] Avoid repeated hash lookups (NFC) #123697

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Merged
merged 1 commit into from
Jan 21, 2025
Merged

[SelectionDAG] Avoid repeated hash lookups (NFC) #123697

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5 changes: 3 additions & 2 deletions llvm/lib/CodeGen/SelectionDAG/StatepointLowering.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -871,10 +871,11 @@ SDValue SelectionDAGBuilder::LowerAsSTATEPOINT(
for (const auto *Relocate : SI.GCRelocates) {
Value *Derived = Relocate->getDerivedPtr();
SDValue SD = getValue(Derived);
if (!LowerAsVReg.count(SD))
auto It = LowerAsVReg.find(SD);
if (It == LowerAsVReg.end())
continue;

SDValue Relocated = SDValue(StatepointMCNode, LowerAsVReg[SD]);
SDValue Relocated = SDValue(StatepointMCNode, It->second);

// Handle local relocate. Note that different relocates might
// map to the same SDValue.
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