Add the returns_twice attribute to LLVM.

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

diff --git a/lib/VMCore/LLVMContextImpl.cpp b/lib/VMCore/LLVMContextImpl.cpp
index b6430bb0b8151b845b63b278739dfac2744562e9..504b37267f7074292426fc6ae7686930b0d6ad3f 100644 (file)
--- a/lib/VMCore/LLVMContextImpl.cpp
+++ b/lib/VMCore/LLVMContextImpl.cpp
@@ -13,6 +13,7 @@
 
 #include "LLVMContextImpl.h"
 #include "llvm/Module.h"
+#include "llvm/ADT/STLExtras.h"
 #include <algorithm>
 using namespace llvm;
 
@@ -31,14 +32,10 @@ LLVMContextImpl::LLVMContextImpl(LLVMContext &C)
     Int8Ty(C, 8),
     Int16Ty(C, 16),
     Int32Ty(C, 32),
-    Int64Ty(C, 64),
-    AlwaysOpaqueTy(new OpaqueType(C)) {
+    Int64Ty(C, 64) {
   InlineAsmDiagHandler = 0;
   InlineAsmDiagContext = 0;
-      
-  // Make sure the AlwaysOpaqueTy stays alive as long as the Context.
-  AlwaysOpaqueTy->addRef();
-  OpaqueTypes.insert(AlwaysOpaqueTy);
+  NamedStructTypesUniqueID = 0;
 }
 
 namespace {
@@ -58,9 +55,7 @@ LLVMContextImpl::~LLVMContextImpl() {
   // will try to remove itself from OwnedModules set.  This would cause
   // iterator invalidation if we iterated on the set directly.
   std::vector<Module*> Modules(OwnedModules.begin(), OwnedModules.end());
-  for (std::vector<Module*>::iterator I = Modules.begin(), E = Modules.end();
-       I != E; ++I)
-    delete *I;
+  DeleteContainerPointers(Modules);
   
   std::for_each(ExprConstants.map_begin(), ExprConstants.map_end(),
                 DropReferences());
@@ -78,38 +73,22 @@ LLVMContextImpl::~LLVMContextImpl() {
   NullPtrConstants.freeConstants();
   UndefValueConstants.freeConstants();
   InlineAsms.freeConstants();
-  for (IntMapTy::iterator I = IntConstants.begin(), E = IntConstants.end(); 
-       I != E; ++I) {
-    delete I->second;
-  }
-  for (FPMapTy::iterator I = FPConstants.begin(), E = FPConstants.end(); 
-       I != E; ++I) {
-    delete I->second;
-  }
-  AlwaysOpaqueTy->dropRef();
-  for (OpaqueTypesTy::iterator I = OpaqueTypes.begin(), E = OpaqueTypes.end();
-       I != E; ++I) {
-    (*I)->AbstractTypeUsers.clear();
-    delete *I;
-  }
+  DeleteContainerSeconds(IntConstants);
+  DeleteContainerSeconds(FPConstants);
+  
   // 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;
   MDNodes.reserve(MDNodeSet.size() + NonUniquedMDNodes.size());
   for (FoldingSetIterator<MDNode> I = MDNodeSet.begin(), E = MDNodeSet.end();
-       I != E; ++I) {
+       I != E; ++I)
     MDNodes.push_back(&*I);
-  }
   MDNodes.append(NonUniquedMDNodes.begin(), NonUniquedMDNodes.end());
-  for (SmallVector<MDNode*, 8>::iterator I = MDNodes.begin(),
-         E = MDNodes.end(); I != E; ++I) {
+  for (SmallVectorImpl<MDNode *>::iterator I = MDNodes.begin(),
+         E = MDNodes.end(); I != E; ++I)
     (*I)->destroy();
-  }
   assert(MDNodeSet.empty() && NonUniquedMDNodes.empty() &&
          "Destroying all MDNodes didn't empty the Context's sets.");
   // Destroy MDStrings.
-  for (StringMap<MDString*>::iterator I = MDStringCache.begin(),
-         E = MDStringCache.end(); I != E; ++I) {
-    delete I->second;
-  }
+  DeleteContainerSeconds(MDStringCache);
 }