Refactored code gen for ivar access in preparation for
objc2 nonfragile ivar access code gen.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63541 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGObjCMac.cpp b/lib/CodeGen/CGObjCMac.cpp
index 23d6209..1bea633 100644
--- a/lib/CodeGen/CGObjCMac.cpp
+++ b/lib/CodeGen/CGObjCMac.cpp
@@ -549,6 +549,12 @@
llvm::Value *src, llvm::Value *dest);
virtual void EmitObjCStrongCastAssign(CodeGen::CodeGenFunction &CGF,
llvm::Value *src, llvm::Value *dest);
+
+ virtual llvm::Value *EmitObjCValueForIvar(CodeGen::CodeGenFunction &CGF,
+ llvm::Value *BaseValue,
+ const ObjCIvarDecl *Ivar,
+ const FieldDecl *Field,
+ unsigned CVRQualifiers);
};
class CGObjCNonFragileABIMac : public CGObjCCommonMac {
@@ -669,6 +675,13 @@
virtual void EmitObjCStrongCastAssign(CodeGen::CodeGenFunction &CGF,
llvm::Value *src, llvm::Value *dest)
{ return; }
+ virtual llvm::Value *EmitObjCValueForIvar(CodeGen::CodeGenFunction &CGF,
+ llvm::Value *BaseValue,
+ const ObjCIvarDecl *Ivar,
+ const FieldDecl *Field,
+ unsigned CVRQualifiers)
+ { return 0; }
+
};
} // end anonymous namespace
@@ -2097,6 +2110,19 @@
return;
}
+/// EmitObjCValueForIvar - Code Gen for ivar reference.
+///
+llvm::Value *CGObjCMac::EmitObjCValueForIvar(CodeGen::CodeGenFunction &CGF,
+ llvm::Value *BaseValue,
+ const ObjCIvarDecl *Ivar,
+ const FieldDecl *Field,
+ unsigned CVRQualifiers) {
+ // TODO: Add a special case for isa (index 0)
+ unsigned Index = CGM.getTypes().getLLVMFieldNo(Field);
+ llvm::Value *V = CGF.Builder.CreateStructGEP(BaseValue, Index, "tmp");
+ return V;
+}
+
/* *** Private Interface *** */
/// EmitImageInfo - Emit the image info marker used to encode some module