Author: andersca
Date: Wed Jan 13 14:11:15 2010
New Revision: 93345
URL: http://llvm.org/viewvc/llvm-project?rev=93345&view=rev
Log:
Add a BaseSubobject class to uniquely identify a base class subobject. Not yet
used.
Modified:
cfe/trunk/lib/CodeGen/CGVtable.h
Modified: cfe/trunk/lib/CodeGen/CGVtable.h
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGVtable.h?rev=93345&r1=93344&r2=93345&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGVtable.h (original)
+++ cfe/trunk/lib/CodeGen/CGVtable.h Wed Jan 13 14:11:15 2010
@@ -61,6 +61,31 @@
ThunkAdjustment ReturnAdjustment;
};
+// BaseSubobject - Uniquely identifies a direct or indirect base class.
+// Stores both the base class decl and the offset from the most derived class
to
+// the base class.
+class BaseSubobject {
+ /// Base - The base class declaration.
+ const CXXRecordDecl *Base;
+
+ /// BaseOffset - The offset from the most derived class to the base class.
+ uint64_t BaseOffset;
+
+public:
+ BaseSubobject(const CXXRecordDecl *Base, uint64_t BaseOffset)
+ : Base(Base), BaseOffset(BaseOffset) { }
+
+ /// getBase - Returns the base class declaration.
+ const CXXRecordDecl *getBase() const { return Base; }
+
+ /// getBaseOffset - Returns the base class offset.
+ uint64_t getBaseOffset() const { return BaseOffset; }
+
+ friend bool operator==(const BaseSubobject &LHS, const BaseSubobject &RHS) {
+ return LHS.Base == RHS.Base && LHS.BaseOffset == RHS.BaseOffset;
+ }
+};
+
class CGVtableInfo {
public:
typedef std::vector<std::pair<GlobalDecl, ThunkAdjustment> >
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