[llvm] ebb5856 - [CodeGen] Avoid repeated hash lookups (NFC) (#123016)

[via llvm-commits]

Author: Kazu Hirata
Date: 2025-01-15T07:57:04-08:00
New Revision: ebb58567e79046afb28a4e657d1b1fd481a595a0

URL: https://github.com/llvm/llvm-project/commit/ebb58567e79046afb28a4e657d1b1fd481a595a0
DIFF: https://github.com/llvm/llvm-project/commit/ebb58567e79046afb28a4e657d1b1fd481a595a0.diff

LOG: [CodeGen] Avoid repeated hash lookups (NFC) (#123016)

Added: 
    

Modified: 
    llvm/lib/CodeGen/CodeGenPrepare.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp
index ba1b10ec8b9b1b..a3392b71109897 100644
--- a/llvm/lib/CodeGen/CodeGenPrepare.cpp
+++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp
@@ -7690,8 +7690,8 @@ bool CodeGenPrepare::tryToSinkFreeOperands(Instruction *I) {
     // sunk instruction uses, if it is part of a chain that has already been
     // sunk.
     Instruction *OldI = cast<Instruction>(U->getUser());
-    if (NewInstructions.count(OldI))
-      NewInstructions[OldI]->setOperand(U->getOperandNo(), NI);
+    if (auto It = NewInstructions.find(OldI); It != NewInstructions.end())
+      It->second->setOperand(U->getOperandNo(), NI);
     else
       U->set(NI);
     Changed = true;