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[oota-llvm.git] / lib / VMCore / LLVMContextImpl.cpp

diff --git a/lib/VMCore/LLVMContextImpl.cpp b/lib/VMCore/LLVMContextImpl.cpp
index 2b6bb39167afced5ff674781b91fec755f7303d1..53140a2bd97f1ec41555558f12301a7c6a9cb8ba 100644 (file)
--- a/lib/VMCore/LLVMContextImpl.cpp
+++ b/lib/VMCore/LLVMContextImpl.cpp
@@ -12,8 +12,9 @@
 //===----------------------------------------------------------------------===//
 
 #include "LLVMContextImpl.h"
-#include "llvm/Module.h"
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/Attributes.h"
+#include "llvm/Module.h"
 #include <algorithm>
 using namespace llvm;
 
@@ -21,6 +22,7 @@ LLVMContextImpl::LLVMContextImpl(LLVMContext &C)
   : TheTrueVal(0), TheFalseVal(0),
     VoidTy(C, Type::VoidTyID),
     LabelTy(C, Type::LabelTyID),
+    HalfTy(C, Type::HalfTyID),
     FloatTy(C, Type::FloatTyID),
     DoubleTy(C, Type::DoubleTyID),
     MetadataTy(C, Type::MetadataTyID),
@@ -47,6 +49,16 @@ struct DropReferences {
     P.second->dropAllReferences();
   }
 };
+
+// Temporary - drops pair.first instead of second.
+struct DropFirst {
+  // Takes the value_type of a ConstantUniqueMap's internal map, whose 'second'
+  // is a Constant*.
+  template<typename PairT>
+  void operator()(const PairT &P) {
+    P.first->dropAllReferences();
+  }
+};
 }
 
 LLVMContextImpl::~LLVMContextImpl() {
@@ -57,25 +69,46 @@ LLVMContextImpl::~LLVMContextImpl() {
   std::vector<Module*> Modules(OwnedModules.begin(), OwnedModules.end());
   DeleteContainerPointers(Modules);
   
+  // Free the constants.  This is important to do here to ensure that they are
+  // freed before the LeakDetector is torn down.
   std::for_each(ExprConstants.map_begin(), ExprConstants.map_end(),
                 DropReferences());
   std::for_each(ArrayConstants.map_begin(), ArrayConstants.map_end(),
-                DropReferences());
+                DropFirst());
   std::for_each(StructConstants.map_begin(), StructConstants.map_end(),
-                DropReferences());
+                DropFirst());
   std::for_each(VectorConstants.map_begin(), VectorConstants.map_end(),
-                DropReferences());
+                DropFirst());
   ExprConstants.freeConstants();
   ArrayConstants.freeConstants();
   StructConstants.freeConstants();
   VectorConstants.freeConstants();
-  AggZeroConstants.freeConstants();
-  NullPtrConstants.freeConstants();
-  UndefValueConstants.freeConstants();
+  DeleteContainerSeconds(CAZConstants);
+  DeleteContainerSeconds(CPNConstants);
+  DeleteContainerSeconds(UVConstants);
   InlineAsms.freeConstants();
   DeleteContainerSeconds(IntConstants);
   DeleteContainerSeconds(FPConstants);
   
+  for (StringMap<ConstantDataSequential*>::iterator I = CDSConstants.begin(),
+       E = CDSConstants.end(); I != E; ++I)
+    delete I->second;
+  CDSConstants.clear();
+
+  // Destroy attributes.
+  for (FoldingSetIterator<AttributesImpl> I = AttrsSet.begin(),
+         E = AttrsSet.end(); I != E; ) {
+    FoldingSetIterator<AttributesImpl> Elem = I++;
+    delete &*Elem;
+  }
+
+  // Destroy attribute lists.
+  for (FoldingSetIterator<AttributeListImpl> I = AttrsLists.begin(),
+         E = AttrsLists.end(); I != E; ) {
+    FoldingSetIterator<AttributeListImpl> Elem = I++;
+    delete &*Elem;
+  }
+
   // Destroy MDNodes.  ~MDNode can move and remove nodes between the MDNodeSet
   // and the NonUniquedMDNodes sets, so copy the values out first.
   SmallVector<MDNode*, 8> MDNodes;
@@ -89,22 +122,28 @@ LLVMContextImpl::~LLVMContextImpl() {
     (*I)->destroy();
   assert(MDNodeSet.empty() && NonUniquedMDNodes.empty() &&
          "Destroying all MDNodes didn't empty the Context's sets.");
+
   // Destroy MDStrings.
   DeleteContainerSeconds(MDStringCache);
-
-  // Destroy types.
-  DeleteContainerSeconds(IntegerTypes);
-  DeleteContainerSeconds(FunctionTypes);
-  DeleteContainerSeconds(AnonStructTypes);
-  DeleteContainerSeconds(ArrayTypes);
-  DeleteContainerSeconds(VectorTypes);
-  DeleteContainerSeconds(PointerTypes);
-  DeleteContainerSeconds(ASPointerTypes);
-
-  for (StringMap<StructType *>::iterator I = NamedStructTypes.begin(),
-       E = NamedStructTypes.end(); I != E; ++I)
-    delete I->getValue();
-  for (SmallPtrSet<StructType*, 16>::iterator I = EmptyNamedStructTypes.begin(),
-       E = EmptyNamedStructTypes.end(); I != E; ++I)
-    delete *I;
 }
+
+// ConstantsContext anchors
+void UnaryConstantExpr::anchor() { }
+
+void BinaryConstantExpr::anchor() { }
+
+void SelectConstantExpr::anchor() { }
+
+void ExtractElementConstantExpr::anchor() { }
+
+void InsertElementConstantExpr::anchor() { }
+
+void ShuffleVectorConstantExpr::anchor() { }
+
+void ExtractValueConstantExpr::anchor() { }
+
+void InsertValueConstantExpr::anchor() { }
+
+void GetElementPtrConstantExpr::anchor() { }
+
+void CompareConstantExpr::anchor() { }