[llvm] fc5849d - [X86] Avoid repeated hash lookups (NFC) (#127748)

[via llvm-commits]

Author: Kazu Hirata
Date: 2025-02-19T08:21:53-08:00
New Revision: fc5849de6abba74dd0bb9a062b207ba4fcd7a37d

URL: https://github.com/llvm/llvm-project/commit/fc5849de6abba74dd0bb9a062b207ba4fcd7a37d
DIFF: https://github.com/llvm/llvm-project/commit/fc5849de6abba74dd0bb9a062b207ba4fcd7a37d.diff

LOG: [X86] Avoid repeated hash lookups (NFC) (#127748)

Added: 
    

Modified: 
    llvm/lib/Target/X86/X86PadShortFunction.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/X86/X86PadShortFunction.cpp b/llvm/lib/Target/X86/X86PadShortFunction.cpp
index c43fd97a055fc..2859195c6c26e 100644
--- a/llvm/lib/Target/X86/X86PadShortFunction.cpp
+++ b/llvm/lib/Target/X86/X86PadShortFunction.cpp
@@ -163,7 +163,8 @@ void PadShortFunc::findReturns(MachineBasicBlock *MBB, unsigned int Cycles) {
     return;
 
   if (hasReturn) {
-    ReturnBBs[MBB] = std::max(ReturnBBs[MBB], Cycles);
+    unsigned int &NumCycles = ReturnBBs[MBB];
+    NumCycles = std::max(NumCycles, Cycles);
     return;
   }