[llvm] f4aea13 - [PowerPC] Avoid repeated hash lookups (NFC) (#129193)

[via llvm-commits]

Author: Kazu Hirata
Date: 2025-02-27T23:01:19-08:00
New Revision: f4aea1324d78778e86541ffc64859154cc9064d9

URL: https://github.com/llvm/llvm-project/commit/f4aea1324d78778e86541ffc64859154cc9064d9
DIFF: https://github.com/llvm/llvm-project/commit/f4aea1324d78778e86541ffc64859154cc9064d9.diff

LOG: [PowerPC] Avoid repeated hash lookups (NFC) (#129193)

Added: 
    

Modified: 
    llvm/lib/Target/PowerPC/PPCInstrInfo.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
index 9b526066fe75b..f12400490832b 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -5427,8 +5427,8 @@ void PPCInstrInfo::promoteInstr32To64ForElimEXTSW(const Register &Reg,
   --Iter;
   MachineInstrBuilder MIBuilder(*Iter->getMF(), Iter);
   for (unsigned i = 1; i < MI->getNumOperands(); i++) {
-    if (PromoteRegs.find(i) != PromoteRegs.end())
-      MIBuilder.addReg(PromoteRegs[i], RegState::Kill);
+    if (auto It = PromoteRegs.find(i); It != PromoteRegs.end())
+      MIBuilder.addReg(It->second, RegState::Kill);
     else
       Iter->addOperand(MI->getOperand(i));
   }