[PATCH] D25705: [ADT] Compare strings' hashes first before comparing their values.

[Justin Lebar via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL284872: [ADT] Compare strings' hashes first before comparing their values. (authored by jlebar).

Changed prior to commit:
  https://reviews.llvm.org/D25705?vs=74919&id=75477#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D25705

Files:
  llvm/trunk/include/llvm/ADT/CachedHashString.h


Index: llvm/trunk/include/llvm/ADT/CachedHashString.h
===================================================================
--- llvm/trunk/include/llvm/ADT/CachedHashString.h
+++ llvm/trunk/include/llvm/ADT/CachedHashString.h
@@ -61,7 +61,8 @@
   }
   static bool isEqual(const CachedHashStringRef &LHS,
                       const CachedHashStringRef &RHS) {
-    return DenseMapInfo<StringRef>::isEqual(LHS.val(), RHS.val());
+    return LHS.hash() == RHS.hash() &&
+           DenseMapInfo<StringRef>::isEqual(LHS.val(), RHS.val());
   }
 };
 


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