[cfe-commits] r151254 - /cfe/trunk/lib/Sema/SemaInit.cpp

[Benjamin Kramer]

Author: d0k
Date: Thu Feb 23 08:48:40 2012
New Revision: 151254

URL: http://llvm.org/viewvc/llvm-project?rev=151254&view=rev
Log:
Replace the std::map in the init list checker with a DenseMap to reduce malloc thrashing.

Modified:
    cfe/trunk/lib/Sema/SemaInit.cpp

Modified: cfe/trunk/lib/Sema/SemaInit.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaInit.cpp?rev=151254&r1=151253&r2=151254&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaInit.cpp (original)
+++ cfe/trunk/lib/Sema/SemaInit.cpp Thu Feb 23 08:48:40 2012
@@ -173,7 +173,7 @@
   bool hadError;
   bool VerifyOnly; // no diagnostics, no structure building
   bool AllowBraceElision;
-  std::map<InitListExpr *, InitListExpr *> SyntacticToSemantic;
+  llvm::DenseMap<InitListExpr *, InitListExpr *> SyntacticToSemantic;
   InitListExpr *FullyStructuredList;
 
   void CheckImplicitInitList(const InitializedEntity &Entity,
@@ -1632,7 +1632,7 @@
 
     // Determine the structural initializer list that corresponds to the
     // current subobject.
-    StructuredList = IsFirstDesignator? SyntacticToSemantic[IList]
+    StructuredList = IsFirstDesignator? SyntacticToSemantic.lookup(IList)
       : getStructuredSubobjectInit(IList, Index, CurrentObjectType,
                                    StructuredList, StructuredIndex,
                                    SourceRange(D->getStartLocation(),
@@ -2046,7 +2046,7 @@
     return 0; // No structured list in verification-only mode.
   Expr *ExistingInit = 0;
   if (!StructuredList)
-    ExistingInit = SyntacticToSemantic[IList];
+    ExistingInit = SyntacticToSemantic.lookup(IList);
   else if (StructuredIndex < StructuredList->getNumInits())
     ExistingInit = StructuredList->getInit(StructuredIndex);