Added implementation of objc2's gc API calls for
nonfragile abi.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64690 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGObjCMac.cpp b/lib/CodeGen/CGObjCMac.cpp
index 3476ba6..456530d 100644
--- a/lib/CodeGen/CGObjCMac.cpp
+++ b/lib/CodeGen/CGObjCMac.cpp
@@ -739,26 +739,15 @@
CGF.ErrorUnsupported(&S, "throw statement");
}
virtual llvm::Value * EmitObjCWeakRead(CodeGen::CodeGenFunction &CGF,
- llvm::Value *AddrWeakObj) {
- assert(0 && "FIXME: Implement EmitObjCWeakRead for non-fragile ABI");
- return 0;
- }
+ llvm::Value *AddrWeakObj);
virtual void EmitObjCWeakAssign(CodeGen::CodeGenFunction &CGF,
- llvm::Value *src, llvm::Value *dst) {
- assert(0 && "FIXME: Implement EmitObjCWeakAssign for non-fragile ABI");
- }
+ llvm::Value *src, llvm::Value *dst);
virtual void EmitObjCGlobalAssign(CodeGen::CodeGenFunction &CGF,
- llvm::Value *src, llvm::Value *dest) {
- assert(0 && "FIXME: Implement EmitObjCGlobalAssign for non-fragile ABI");
- }
+ llvm::Value *src, llvm::Value *dest);
virtual void EmitObjCIvarAssign(CodeGen::CodeGenFunction &CGF,
- llvm::Value *src, llvm::Value *dest) {
- assert(0 && "FIXME: Implement EmitObjCIvarAssign for non-fragile ABI");
- }
+ llvm::Value *src, llvm::Value *dest);
virtual void EmitObjCStrongCastAssign(CodeGen::CodeGenFunction &CGF,
- llvm::Value *src, llvm::Value *dest) {
- assert(0 && "FIXME: Implement EmitObjCStrongCastAssign for non-fragile ABI");
- }
+ llvm::Value *src, llvm::Value *dest);
virtual LValue EmitObjCValueForIvar(CodeGen::CodeGenFunction &CGF,
QualType ObjectTy,
llvm::Value *BaseValue,
@@ -4644,6 +4633,71 @@
return Builder.CreateLoad(Entry, false, "tmp");
}
+/// EmitObjCIvarAssign - Code gen for assigning to a __strong object.
+/// objc_assign_ivar (id src, id *dst)
+///
+void CGObjCNonFragileABIMac::EmitObjCIvarAssign(CodeGen::CodeGenFunction &CGF,
+ llvm::Value *src, llvm::Value *dst)
+{
+ src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
+ dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
+ CGF.Builder.CreateCall2(ObjCTypes.GcAssignIvarFn,
+ src, dst, "assignivar");
+ return;
+}
+
+/// EmitObjCStrongCastAssign - Code gen for assigning to a __strong cast object.
+/// objc_assign_strongCast (id src, id *dst)
+///
+void CGObjCNonFragileABIMac::EmitObjCStrongCastAssign(
+ CodeGen::CodeGenFunction &CGF,
+ llvm::Value *src, llvm::Value *dst)
+{
+ src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
+ dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
+ CGF.Builder.CreateCall2(ObjCTypes.GcAssignStrongCastFn,
+ src, dst, "weakassign");
+ return;
+}
+
+/// EmitObjCWeakRead - Code gen for loading value of a __weak
+/// object: objc_read_weak (id *src)
+///
+llvm::Value * CGObjCNonFragileABIMac::EmitObjCWeakRead(
+ CodeGen::CodeGenFunction &CGF,
+ llvm::Value *AddrWeakObj)
+{
+ AddrWeakObj = CGF.Builder.CreateBitCast(AddrWeakObj, ObjCTypes.PtrObjectPtrTy);
+ llvm::Value *read_weak = CGF.Builder.CreateCall(ObjCTypes.GcReadWeakFn,
+ AddrWeakObj, "weakread");
+ return read_weak;
+}
+
+/// EmitObjCWeakAssign - Code gen for assigning to a __weak object.
+/// objc_assign_weak (id src, id *dst)
+///
+void CGObjCNonFragileABIMac::EmitObjCWeakAssign(CodeGen::CodeGenFunction &CGF,
+ llvm::Value *src, llvm::Value *dst)
+{
+ src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
+ dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
+ CGF.Builder.CreateCall2(ObjCTypes.GcAssignWeakFn,
+ src, dst, "weakassign");
+ return;
+}
+
+/// EmitObjCGlobalAssign - Code gen for assigning to a __strong object.
+/// objc_assign_global (id src, id *dst)
+///
+void CGObjCNonFragileABIMac::EmitObjCGlobalAssign(CodeGen::CodeGenFunction &CGF,
+ llvm::Value *src, llvm::Value *dst)
+{
+ src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
+ dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
+ CGF.Builder.CreateCall2(ObjCTypes.GcAssignGlobalFn,
+ src, dst, "globalassign");
+ return;
+}
/* *** */