[llvm] 00414c3 - [Hexagon] Avoid repeated hash lookups (NFC) (#129357)

[via llvm-commits]

Author: Kazu Hirata
Date: 2025-03-01T08:13:00-08:00
New Revision: 00414c3371701961363f243338e0e848d8066509

URL: https://github.com/llvm/llvm-project/commit/00414c3371701961363f243338e0e848d8066509
DIFF: https://github.com/llvm/llvm-project/commit/00414c3371701961363f243338e0e848d8066509.diff

LOG: [Hexagon] Avoid repeated hash lookups (NFC) (#129357)

Added: 
    

Modified: 
    llvm/lib/Target/Hexagon/HexagonCopyHoisting.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/Hexagon/HexagonCopyHoisting.cpp b/llvm/lib/Target/Hexagon/HexagonCopyHoisting.cpp
index 59c882bf37afa..7c18c524d2d64 100644
--- a/llvm/lib/Target/Hexagon/HexagonCopyHoisting.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonCopyHoisting.cpp
@@ -180,14 +180,15 @@ bool HexagonCopyHoisting::analyzeCopy(MachineBasicBlock *BB) {
     bool IsSafetoMove = true;
     for (MachineBasicBlock *SuccBB : BB->successors()) {
       auto &SuccBBCopyInst = CopyMIList[SuccBB->getNumber()];
-      if (!SuccBBCopyInst.count(Key)) {
+      auto It = SuccBBCopyInst.find(Key);
+      if (It == SuccBBCopyInst.end()) {
         // Same copy not present in this successor
         IsSafetoMove = false;
         break;
       }
       // If present, make sure that it's safe to pull this copy instruction
       // into the predecessor.
-      MachineInstr *SuccMI = SuccBBCopyInst[Key];
+      MachineInstr *SuccMI = It->second;
       if (!isSafetoMove(SuccMI)) {
         IsSafetoMove = false;
         break;