Be sure to never create two functions with the same name, instead arrange to
reuse the prior one.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66408 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenModule.h b/lib/CodeGen/CodeGenModule.h
index c3a84af..039579f 100644
--- a/lib/CodeGen/CodeGenModule.h
+++ b/lib/CodeGen/CodeGenModule.h
@@ -312,14 +312,17 @@
void EmitGlobalDefinition(const ValueDecl *D);
- /// EmitForwardFunctionDefinition - Create a new function for the
- /// given decl and set attributes as appropriate.
+ /// EmitForwardFunctionDefinition - Create a new function for the given decl
+ /// and set attributes as appropriate if ReplaceExisting is true, or if the
+ /// same named declaration doesn't already exist in the module table,
+ /// otherwise return the existing function from the module table.
///
- /// \arg Ty - If non-null the LLVM function type to use for the
- /// decl; it is the callers responsibility to make sure this is
- /// compatible with the correct type.
+ /// \arg Ty - If non-null the LLVM function type to use for the decl; it is
+ /// the callers responsibility to make sure this is compatible with the
+ /// correct type.
llvm::GlobalValue *EmitForwardFunctionDefinition(const FunctionDecl *D,
- const llvm::Type *Ty);
+ const llvm::Type *Ty,
+ bool ReplaceExisting=false);
void EmitGlobalFunctionDefinition(const FunctionDecl *D);
void EmitGlobalVarDefinition(const VarDecl *D);
@@ -337,19 +340,19 @@
void EmitAliases(void);
void EmitAnnotations(void);
- /// EmitDeferred - Emit any needed decls for which code generation
- /// was deferred.
+ /// 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.
+ /// EmitLLVMUsed - Emit the llvm.used metadata used to force references to
+ /// global which may otherwise be optimized out.
void EmitLLVMUsed(void);
void BindRuntimeGlobals();
- /// MayDeferGeneration - Determine if the given decl can be emitted
- /// lazily; this is only relevant for definitions. The given decl
- /// must be either a function or var decl.
+ /// MayDeferGeneration - Determine if the given decl can be emitted lazily;
+ /// this is only relevant for definitions. The given decl must be either a
+ /// function or var decl.
bool MayDeferGeneration(const ValueDecl *D);
};
} // end namespace CodeGen