Rename EmitStatics (etc) to EmitDeferred; provide basic infrastructure
for attribute used support.
- No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64487 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenModule.h b/lib/CodeGen/CodeGenModule.h
index bd5a20c..1d10f9d 100644
--- a/lib/CodeGen/CodeGenModule.h
+++ b/lib/CodeGen/CodeGenModule.h
@@ -95,12 +95,18 @@
/// and may reference forward.
std::vector<const FunctionDecl*> Aliases;
- /// StaticDecls - List of static global for which code generation is
- /// delayed. When the translation unit has been fully processed we will lazily
- /// emit definitions for only the decls that were actually used. This should
- /// contain only Function and Var decls, and only those which actually define
- /// something.
- std::list<const ValueDecl*> StaticDecls;
+ /// DeferredDecls - List of decls for which code generation has been
+ /// deferred. When the translation unit has been fully processed we
+ /// will lazily emit definitions for only the decls that were
+ /// actually used. This should contain only Function and Var decls,
+ /// and only those which actually define something.
+ std::list<const ValueDecl*> DeferredDecls;
+
+ /// LLVMUsed - List of global values which are required to be
+ /// present in the object file; bitcast to i8*. This is used for
+ /// forcing visibility of symbols which may otherwise be optimized
+ /// out.
+ std::vector<llvm::Constant*> LLVMUsed;
/// GlobalCtors - Store the list of global constructors and their respective
/// priorities to be emitted when the translation unit is complete.
@@ -228,6 +234,11 @@
/// EmitTopLevelDecl - Emit code for a single top level declaration.
void EmitTopLevelDecl(Decl *D);
+ /// AddUsedGlobal - Add a global which should be forced to be
+ /// present in the object file; these are emitted to the llvm.used
+ /// metadata global.
+ void AddUsedGlobal(llvm::GlobalValue *GV);
+
void AddAnnotation(llvm::Constant *C) { Annotations.push_back(C); }
/// CreateRuntimeFunction - Create a new runtime function whose name must be
@@ -303,7 +314,14 @@
void EmitAliases(void);
void EmitAnnotations(void);
- void EmitStatics(void);
+
+ /// EmitDeferred - Emit any needed decls for which code generation
+ /// was deferred.
+ void EmitDeferred(void);
+
+ /// EmitLLVMUsed - Emit the llvm.used metadata used to force
+ /// references to global which may otherwise be optimized out.
+ void EmitLLVMUsed(void);
void BindRuntimeFunctions();
};