[llvm] db348c8 - [Passes] Avoid repeated hash lookups (NFC) (#126404)

[via llvm-commits]

Author: Kazu Hirata
Date: 2025-02-09T08:55:55-08:00
New Revision: db348c8e8b2472563a8db363b18d2604968ae43b

URL: https://github.com/llvm/llvm-project/commit/db348c8e8b2472563a8db363b18d2604968ae43b
DIFF: https://github.com/llvm/llvm-project/commit/db348c8e8b2472563a8db363b18d2604968ae43b.diff

LOG: [Passes] Avoid repeated hash lookups (NFC) (#126404)

Added: 
    

Modified: 
    llvm/include/llvm/Passes/DroppedVariableStats.h

Removed: 
    


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diff  --git a/llvm/include/llvm/Passes/DroppedVariableStats.h b/llvm/include/llvm/Passes/DroppedVariableStats.h
index e2e91891e24c19e..30fbeae703b03bc 100644
--- a/llvm/include/llvm/Passes/DroppedVariableStats.h
+++ b/llvm/include/llvm/Passes/DroppedVariableStats.h
@@ -96,9 +96,10 @@ class DroppedVariableStats {
     DenseSet<VarID> &DebugVariablesBeforeSet =
         DbgVariables.DebugVariablesBefore;
     DenseSet<VarID> &DebugVariablesAfterSet = DbgVariables.DebugVariablesAfter;
-    if (InlinedAts.back().find(FuncName) == InlinedAts.back().end())
+    auto It = InlinedAts.back().find(FuncName);
+    if (It == InlinedAts.back().end())
       return;
-    DenseMap<VarID, DILocation *> &InlinedAtsMap = InlinedAts.back()[FuncName];
+    DenseMap<VarID, DILocation *> &InlinedAtsMap = It->second;
     // Find an Instruction that shares the same scope as the dropped #dbg_value
     // or has a scope that is the child of the scope of the #dbg_value, and has
     // an inlinedAt equal to the inlinedAt of the #dbg_value or it's inlinedAt