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[X86] Avoid repeated hash lookups (NFC) #130393

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Merged
merged 1 commit into from
Mar 8, 2025
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[X86] Avoid repeated hash lookups (NFC) #130393

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5 changes: 3 additions & 2 deletions llvm/lib/Target/X86/X86PreTileConfig.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -400,8 +400,9 @@ bool X86PreTileConfig::runOnMachineFunction(MachineFunction &MF) {
// A given point might be forked due to shape conditions are not met.
for (MIRef I : InsertPoints) {
// Make sure we insert ldtilecfg after the last shape def in MBB.
if (ShapeBBs.count(I.MBB) && I < ShapeBBs[I.MBB].back())
I = ShapeBBs[I.MBB].back();
auto It = ShapeBBs.find(I.MBB);
if (It != ShapeBBs.end() && I < It->second.back())
I = It->second.back();
// There're chances the MBB is sunk more than once. Record it to avoid
// multi insert.
if (VisitedOrInserted.insert(I).second) {
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