[clang codegen] Add CreateRuntimeFunction overload that takes a clang type. (#113506)

Correctly computing the LLVM types/attributes is complicated in general,
so add a variant which does that for you.

1 files changed, 12 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CodeGenModule.h b/clang/lib/CodeGen/CodeGenModule.h
index 8d57877..741b0f1 100644
--- a/clang/lib/CodeGen/CodeGenModule.h
+++ b/clang/lib/CodeGen/CodeGenModule.h
@@ -1247,11 +1247,23 @@ public:
   /// Create or return a runtime function declaration with the specified type
   /// and name. If \p AssumeConvergent is true, the call will have the
   /// convergent attribute added.
+  ///
+  /// For new code, please use the overload that takes a QualType; it sets
+  /// function attributes more accurately.
   llvm::FunctionCallee
   CreateRuntimeFunction(llvm::FunctionType *Ty, StringRef Name,
                         llvm::AttributeList ExtraAttrs = llvm::AttributeList(),
                         bool Local = false, bool AssumeConvergent = false);
 
+  /// Create or return a runtime function declaration with the specified type
+  /// and name. If \p AssumeConvergent is true, the call will have the
+  /// convergent attribute added.
+  llvm::FunctionCallee
+  CreateRuntimeFunction(QualType ReturnTy, ArrayRef<QualType> ArgTys,
+                        StringRef Name,
+                        llvm::AttributeList ExtraAttrs = llvm::AttributeList(),
+                        bool Local = false, bool AssumeConvergent = false);
+
   /// Create a new runtime global variable with the specified type and name.
   llvm::Constant *CreateRuntimeVariable(llvm::Type *Ty,
                                         StringRef Name);