1 files changed, 51 insertions, 14 deletions

diff --git a/contrib/llvm/tools/clang/lib/CodeGen/MicrosoftCXXABI.cpp b/contrib/llvm/tools/clang/lib/CodeGen/MicrosoftCXXABI.cpp
index 6a2925b..8d205c3 100644
--- a/contrib/llvm/tools/clang/lib/CodeGen/MicrosoftCXXABI.cpp
+++ b/contrib/llvm/tools/clang/lib/CodeGen/MicrosoftCXXABI.cpp
@@ -29,14 +29,18 @@ public:
   MicrosoftCXXABI(CodeGenModule &CGM) : CGCXXABI(CGM) {}
 
   StringRef GetPureVirtualCallName() { return "_purecall"; }
+  // No known support for deleted functions in MSVC yet, so this choice is
+  // arbitrary.
+  StringRef GetDeletedVirtualCallName() { return "_purecall"; }
+
+  llvm::Value *adjustToCompleteObject(CodeGenFunction &CGF,
+                                      llvm::Value *ptr,
+                                      QualType type);
 
   void BuildConstructorSignature(const CXXConstructorDecl *Ctor,
                                  CXXCtorType Type,
                                  CanQualType &ResTy,
-                                 SmallVectorImpl<CanQualType> &ArgTys) {
-    // 'this' is already in place
-    // TODO: 'for base' flag
-  }  
+                                 SmallVectorImpl<CanQualType> &ArgTys);
 
   void BuildDestructorSignature(const CXXDestructorDecl *Ctor,
                                 CXXDtorType Type,
@@ -48,15 +52,9 @@ public:
 
   void BuildInstanceFunctionParams(CodeGenFunction &CGF,
                                    QualType &ResTy,
-                                   FunctionArgList &Params) {
-    BuildThisParam(CGF, Params);
-    // TODO: 'for base' flag
-  }
+                                   FunctionArgList &Params);
 
-  void EmitInstanceFunctionProlog(CodeGenFunction &CGF) {
-    EmitThisParam(CGF);
-    // TODO: 'for base' flag
-  }
+  void EmitInstanceFunctionProlog(CodeGenFunction &CGF);
 
   void EmitGuardedInit(CodeGenFunction &CGF, const VarDecl &D,
                        llvm::GlobalVariable *DeclPtr,
@@ -99,10 +97,49 @@ public:
   llvm::Value *readArrayCookieImpl(CodeGenFunction &CGF,
                                    llvm::Value *allocPtr,
                                    CharUnits cookieSize);
+  static bool needThisReturn(GlobalDecl GD);
 };
 
 }
 
+llvm::Value *MicrosoftCXXABI::adjustToCompleteObject(CodeGenFunction &CGF,
+                                                     llvm::Value *ptr,
+                                                     QualType type) {
+  // FIXME: implement
+  return ptr;
+}
+
+bool MicrosoftCXXABI::needThisReturn(GlobalDecl GD) {
+  const CXXMethodDecl* MD = cast<CXXMethodDecl>(GD.getDecl());
+  return isa<CXXConstructorDecl>(MD);
+}
+
+void MicrosoftCXXABI::BuildConstructorSignature(const CXXConstructorDecl *Ctor,
+                                 CXXCtorType Type,
+                                 CanQualType &ResTy,
+                                 SmallVectorImpl<CanQualType> &ArgTys) {
+  // 'this' is already in place
+  // TODO: 'for base' flag
+  // Ctor returns this ptr
+  ResTy = ArgTys[0];
+}
+
+void MicrosoftCXXABI::BuildInstanceFunctionParams(CodeGenFunction &CGF,
+                                                  QualType &ResTy,
+                                                  FunctionArgList &Params) {
+  BuildThisParam(CGF, Params);
+  if (needThisReturn(CGF.CurGD)) {
+    ResTy = Params[0]->getType();
+  }
+}
+
+void MicrosoftCXXABI::EmitInstanceFunctionProlog(CodeGenFunction &CGF) {
+  EmitThisParam(CGF);
+  if (needThisReturn(CGF.CurGD)) {
+    CGF.Builder.CreateStore(getThisValue(CGF), CGF.ReturnValue);
+  }
+}
+
 bool MicrosoftCXXABI::requiresArrayCookie(const CXXDeleteExpr *expr,
                                    QualType elementType) {
   // Microsoft seems to completely ignore the possibility of a
@@ -127,7 +164,7 @@ CharUnits MicrosoftCXXABI::getArrayCookieSizeImpl(QualType type) {
 llvm::Value *MicrosoftCXXABI::readArrayCookieImpl(CodeGenFunction &CGF,
                                                   llvm::Value *allocPtr,
                                                   CharUnits cookieSize) {
-  unsigned AS = cast<llvm::PointerType>(allocPtr->getType())->getAddressSpace();
+  unsigned AS = allocPtr->getType()->getPointerAddressSpace();
   llvm::Value *numElementsPtr =
     CGF.Builder.CreateBitCast(allocPtr, CGF.SizeTy->getPointerTo(AS));
   return CGF.Builder.CreateLoad(numElementsPtr);
@@ -147,7 +184,7 @@ llvm::Value* MicrosoftCXXABI::InitializeArrayCookie(CodeGenFunction &CGF,
   llvm::Value *cookiePtr = newPtr;
 
   // Write the number of elements into the appropriate slot.
-  unsigned AS = cast<llvm::PointerType>(newPtr->getType())->getAddressSpace();
+  unsigned AS = newPtr->getType()->getPointerAddressSpace();
   llvm::Value *numElementsPtr
     = CGF.Builder.CreateBitCast(cookiePtr, CGF.SizeTy->getPointerTo(AS));
   CGF.Builder.CreateStore(numElements, numElementsPtr);