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-rw-r--r--lib/CodeGen/CGCXXABI.h57
1 files changed, 46 insertions, 11 deletions
diff --git a/lib/CodeGen/CGCXXABI.h b/lib/CodeGen/CGCXXABI.h
index 570aeb0..702e59b 100644
--- a/lib/CodeGen/CGCXXABI.h
+++ b/lib/CodeGen/CGCXXABI.h
@@ -15,9 +15,8 @@
#ifndef CLANG_CODEGEN_CXXABI_H
#define CLANG_CODEGEN_CXXABI_H
-#include "clang/Basic/LLVM.h"
-
#include "CodeGenFunction.h"
+#include "clang/Basic/LLVM.h"
namespace llvm {
class Constant;
@@ -55,11 +54,26 @@ protected:
return CGF.CXXABIThisValue;
}
+ /// Issue a diagnostic about unsupported features in the ABI.
+ void ErrorUnsupportedABI(CodeGenFunction &CGF, StringRef S);
+
+ /// Get a null value for unsupported member pointers.
+ llvm::Constant *GetBogusMemberPointer(QualType T);
+
+ // FIXME: Every place that calls getVTT{Decl,Value} is something
+ // that needs to be abstracted properly.
ImplicitParamDecl *&getVTTDecl(CodeGenFunction &CGF) {
- return CGF.CXXVTTDecl;
+ return CGF.CXXStructorImplicitParamDecl;
}
llvm::Value *&getVTTValue(CodeGenFunction &CGF) {
- return CGF.CXXVTTValue;
+ return CGF.CXXStructorImplicitParamValue;
+ }
+
+ ImplicitParamDecl *&getStructorImplicitParamDecl(CodeGenFunction &CGF) {
+ return CGF.CXXStructorImplicitParamDecl;
+ }
+ llvm::Value *&getStructorImplicitParamValue(CodeGenFunction &CGF) {
+ return CGF.CXXStructorImplicitParamValue;
}
/// Build a parameter variable suitable for 'this'.
@@ -83,6 +97,10 @@ public:
return *MangleCtx;
}
+ /// Returns true if the given instance method is one of the
+ /// kinds that the ABI says returns 'this'.
+ virtual bool HasThisReturn(GlobalDecl GD) const { return false; }
+
/// Find the LLVM type used to represent the given member pointer
/// type.
virtual llvm::Type *
@@ -177,6 +195,8 @@ public:
CanQualType &ResTy,
SmallVectorImpl<CanQualType> &ArgTys) = 0;
+ virtual llvm::BasicBlock *EmitCtorCompleteObjectHandler(CodeGenFunction &CGF);
+
/// Build the signature of the given destructor variant by adding
/// any required parameters. For convenience, ResTy has been
/// initialized to 'void' and ArgTys has been initialized with the
@@ -199,6 +219,23 @@ public:
/// Emit the ABI-specific prolog for the function.
virtual void EmitInstanceFunctionProlog(CodeGenFunction &CGF) = 0;
+ /// Emit the constructor call. Return the function that is called.
+ virtual llvm::Value *EmitConstructorCall(CodeGenFunction &CGF,
+ const CXXConstructorDecl *D,
+ CXXCtorType Type, bool ForVirtualBase,
+ bool Delegating,
+ llvm::Value *This,
+ CallExpr::const_arg_iterator ArgBeg,
+ CallExpr::const_arg_iterator ArgEnd) = 0;
+
+ /// Emit the ABI-specific virtual destructor call.
+ virtual RValue EmitVirtualDestructorCall(CodeGenFunction &CGF,
+ const CXXDestructorDecl *Dtor,
+ CXXDtorType DtorType,
+ SourceLocation CallLoc,
+ ReturnValueSlot ReturnValue,
+ llvm::Value *This) = 0;
+
virtual void EmitReturnFromThunk(CodeGenFunction &CGF,
RValue RV, QualType ResultType);
@@ -295,16 +332,14 @@ public:
/// \param addr - a pointer to pass to the destructor function.
virtual void registerGlobalDtor(CodeGenFunction &CGF, llvm::Constant *dtor,
llvm::Constant *addr);
-
- /***************************** Virtual Tables *******************************/
-
- /// Generates and emits the virtual tables for a class.
- virtual void EmitVTables(const CXXRecordDecl *Class) = 0;
};
-/// Creates an instance of a C++ ABI class.
-CGCXXABI *CreateARMCXXABI(CodeGenModule &CGM);
+// Create an instance of a C++ ABI class:
+
+/// Creates an Itanium-family ABI.
CGCXXABI *CreateItaniumCXXABI(CodeGenModule &CGM);
+
+/// Creates a Microsoft-family ABI.
CGCXXABI *CreateMicrosoftCXXABI(CodeGenModule &CGM);
}
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