[llvm] ad8d549 - [IPO] Avoid repeated hash lookups (NFC) (#132588)

[via llvm-commits]

Author: Kazu Hirata
Date: 2025-03-22T22:25:25-07:00
New Revision: ad8d5495056f8ec23ab1f0c60ffdd6358605e1ec

URL: https://github.com/llvm/llvm-project/commit/ad8d5495056f8ec23ab1f0c60ffdd6358605e1ec
DIFF: https://github.com/llvm/llvm-project/commit/ad8d5495056f8ec23ab1f0c60ffdd6358605e1ec.diff

LOG: [IPO] Avoid repeated hash lookups (NFC) (#132588)

Added: 
    

Modified: 
    llvm/lib/Transforms/IPO/SampleProfile.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/IPO/SampleProfile.cpp b/llvm/lib/Transforms/IPO/SampleProfile.cpp
index 731ee7edb48c8..a998f1a1b99a2 100644
--- a/llvm/lib/Transforms/IPO/SampleProfile.cpp
+++ b/llvm/lib/Transforms/IPO/SampleProfile.cpp
@@ -629,7 +629,8 @@ inline void SampleProfileInference<Function>::findUnlikelyJumps(
     const Instruction *TI = BB->getTerminator();
     // Check if a block ends with InvokeInst and mark non-taken branch unlikely.
     // In that case block Succ should be a landing pad
-    if (Successors[BB].size() == 2 && Successors[BB].back() == Succ) {
+    const auto &Succs = Successors[BB];
+    if (Succs.size() == 2 && Succs.back() == Succ) {
       if (isa<InvokeInst>(TI)) {
         Jump.IsUnlikely = true;
       }