ir-gen for objc's @selector expression in nonfragile abi mode.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64323 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGObjCMac.cpp b/lib/CodeGen/CGObjCMac.cpp
index e55a6a3..f8d456c 100644
--- a/lib/CodeGen/CGObjCMac.cpp
+++ b/lib/CodeGen/CGObjCMac.cpp
@@ -680,6 +680,10 @@
const NamedDecl *IDName,
const ObjCIvarDecl *Ivar);
+ /// EmitSelector - Return a Value*, of type ObjCTypes.SelectorPtrTy,
+ /// for the given selector.
+ llvm::Value *EmitSelector(CGBuilderTy &Builder, Selector Sel);
+
public:
CGObjCNonFragileABIMac(CodeGen::CodeGenModule &cgm);
// FIXME. All stubs for now!
@@ -705,7 +709,7 @@
const ObjCInterfaceDecl *ID);
virtual llvm::Value *GetSelector(CGBuilderTy &Builder, Selector Sel)
- { return 0; }
+ { return EmitSelector(Builder, Sel); }
virtual void GenerateCategory(const ObjCCategoryImplDecl *CMD);
@@ -4578,6 +4582,27 @@
ObjCSuper, ObjCTypes.SuperPtrCTy,
true, CallArgs);
}
+
+llvm::Value *CGObjCNonFragileABIMac::EmitSelector(CGBuilderTy &Builder,
+ Selector Sel) {
+ llvm::GlobalVariable *&Entry = SelectorReferences[Sel];
+
+ if (!Entry) {
+ llvm::Constant *Casted =
+ llvm::ConstantExpr::getBitCast(GetMethodVarName(Sel),
+ ObjCTypes.SelectorPtrTy);
+ Entry =
+ new llvm::GlobalVariable(ObjCTypes.SelectorPtrTy, false,
+ llvm::GlobalValue::InternalLinkage,
+ Casted, "\01L_OBJC_SELECTOR_REFERENCES_",
+ &CGM.getModule());
+ Entry->setSection("__DATA,__objc_selrefs,literal_pointers,no_dead_strip");
+ UsedGlobals.push_back(Entry);
+ }
+
+ return Builder.CreateLoad(Entry, false, "tmp");
+}
+
/* *** */
CodeGen::CGObjCRuntime *