[clang] Add arrangeCXXMethodCall to the CodeGenABITypes interface. (PR #111597)

[Hiroshi Yamauchi via cfe-commits]

https://github.com/hjyamauchi updated https://github.com/llvm/llvm-project/pull/111597

>From 1c7101f579c4eb65773d8af7bdd7a3b37247f554 Mon Sep 17 00:00:00 2001
From: Hiroshi Yamauchi <hjyamauchi at gmail.com>
Date: Thu, 10 Oct 2024 13:50:01 -0700
Subject: [PATCH] Add arrangeCXXMethodCall to the CodeGenABITypes interface.

Also add ExtParameterInfos to the argument list of
arrangeFreeFunctionCall.
---
 clang/include/clang/CodeGen/CodeGenABITypes.h | 24 ++++++++++++++----
 clang/lib/CodeGen/CodeGenABITypes.cpp         | 25 +++++++++++++------
 2 files changed, 37 insertions(+), 12 deletions(-)

diff --git a/clang/include/clang/CodeGen/CodeGenABITypes.h b/clang/include/clang/CodeGen/CodeGenABITypes.h
index 9cbc5a8a2a3f41..e275f5c944c707 100644
--- a/clang/include/clang/CodeGen/CodeGenABITypes.h
+++ b/clang/include/clang/CodeGen/CodeGenABITypes.h
@@ -75,11 +75,25 @@ const CGFunctionInfo &arrangeCXXMethodType(CodeGenModule &CGM,
                                            const FunctionProtoType *FTP,
                                            const CXXMethodDecl *MD);
 
-const CGFunctionInfo &arrangeFreeFunctionCall(CodeGenModule &CGM,
-                                              CanQualType returnType,
-                                              ArrayRef<CanQualType> argTypes,
-                                              FunctionType::ExtInfo info,
-                                              RequiredArgs args);
+const CGFunctionInfo &arrangeCXXMethodCall(
+    CodeGenModule &CGM, CanQualType returnType, ArrayRef<CanQualType> argTypes,
+    FunctionType::ExtInfo info,
+    ArrayRef<FunctionProtoType::ExtParameterInfo> paramInfos,
+    RequiredArgs args);
+
+const CGFunctionInfo &arrangeFreeFunctionCall(
+    CodeGenModule &CGM, CanQualType returnType, ArrayRef<CanQualType> argTypes,
+    FunctionType::ExtInfo info,
+    ArrayRef<FunctionProtoType::ExtParameterInfo> paramInfos,
+    RequiredArgs args);
+
+// An overload with an empty `paramInfos`
+inline const CGFunctionInfo &arrangeFreeFunctionCall(
+    CodeGenModule &CGM, CanQualType returnType, ArrayRef<CanQualType> argTypes,
+    FunctionType::ExtInfo info,
+    RequiredArgs args) {
+  return arrangeFreeFunctionCall(CGM, returnType, argTypes, info, {}, args);
+}
 
 /// Returns the implicit arguments to add to a complete, non-delegating C++
 /// constructor call.
diff --git a/clang/lib/CodeGen/CodeGenABITypes.cpp b/clang/lib/CodeGen/CodeGenABITypes.cpp
index a6073e1188d6fa..b3c16288d3422a 100644
--- a/clang/lib/CodeGen/CodeGenABITypes.cpp
+++ b/clang/lib/CodeGen/CodeGenABITypes.cpp
@@ -60,13 +60,24 @@ CodeGen::arrangeCXXMethodType(CodeGenModule &CGM,
 }
 
 const CGFunctionInfo &
-CodeGen::arrangeFreeFunctionCall(CodeGenModule &CGM,
-                                 CanQualType returnType,
-                                 ArrayRef<CanQualType> argTypes,
-                                 FunctionType::ExtInfo info,
-                                 RequiredArgs args) {
-  return CGM.getTypes().arrangeLLVMFunctionInfo(returnType, FnInfoOpts::None,
-                                                argTypes, info, {}, args);
+CodeGen::arrangeCXXMethodCall(
+    CodeGenModule &CGM, CanQualType returnType, ArrayRef<CanQualType> argTypes,
+    FunctionType::ExtInfo info,
+    ArrayRef<FunctionProtoType::ExtParameterInfo> paramInfos,
+    RequiredArgs args) {
+  return CGM.getTypes().arrangeLLVMFunctionInfo(
+      returnType, FnInfoOpts::IsInstanceMethod, argTypes, info, paramInfos,
+      args);
+}
+
+const CGFunctionInfo &
+CodeGen::arrangeFreeFunctionCall(
+    CodeGenModule &CGM, CanQualType returnType, ArrayRef<CanQualType> argTypes,
+    FunctionType::ExtInfo info,
+    ArrayRef<FunctionProtoType::ExtParameterInfo> paramInfos,
+    RequiredArgs args) {
+  return CGM.getTypes().arrangeLLVMFunctionInfo(
+      returnType, FnInfoOpts::None, argTypes, info, paramInfos, args);
 }
 
 ImplicitCXXConstructorArgs