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[SystemZ] Avoid repeated hash lookups (NFC) #126005

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Merged
merged 2 commits into from
Feb 7, 2025
Merged

[SystemZ] Avoid repeated hash lookups (NFC) #126005

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1d8a490
[SystemZ] Avoid repeated hash lookups (NFC)
kazutakahirata Feb 5, 2025
8eae711
Update llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
kazutakahirata Feb 6, 2025
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5 changes: 3 additions & 2 deletions llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -6173,8 +6173,9 @@ SystemZTargetLowering::buildVector(SelectionDAG &DAG, const SDLoc &DL, EVT VT,
for (unsigned I = 0; I < NumElements; ++I)
if (isVectorElementLoad(Elems[I])) {
SDNode *Ld = Elems[I].getNode();
UseCounts[Ld]++;
if (LoadMaxUses == nullptr || UseCounts[LoadMaxUses] < UseCounts[Ld])
auto &Count = UseCounts[Ld];
++Count;
if (LoadMaxUses == nullptr || UseCounts[LoadMaxUses] < Count)
LoadMaxUses = Ld;
}
if (LoadMaxUses != nullptr) {
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