From f6f8ae561ef78af169cbd2c067cae7ee4b2044e9 Mon Sep 17 00:00:00 2001
From: Anders Carlsson <andersca@mac.com>
Date: Fri, 3 Apr 2009 22:48:58 +0000
Subject: [PATCH] Add a getFunctionInfo that takes a CXXMethodDecl.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68411 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/CGCall.cpp     | 17 +++++++++++++++++
 lib/CodeGen/CodeGenTypes.h |  2 ++
 2 files changed, 19 insertions(+)

diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp
index 4db36d9140..19f66b1671 100644
--- a/lib/CodeGen/CGCall.cpp
+++ b/lib/CodeGen/CGCall.cpp
@@ -18,6 +18,7 @@
 #include "clang/Basic/TargetInfo.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/Decl.h"
+#include "clang/AST/DeclCXX.h"
 #include "clang/AST/DeclObjC.h"
 #include "clang/AST/RecordLayout.h"
 #include "llvm/ADT/StringExtras.h"
@@ -52,7 +53,23 @@ CGFunctionInfo &CodeGenTypes::getFunctionInfo(const FunctionProtoType *FTP) {
   return getFunctionInfo(FTP->getResultType(), ArgTys);
 }
 
+const CGFunctionInfo &CodeGenTypes::getFunctionInfo(const CXXMethodDecl *MD) {
+  llvm::SmallVector<QualType, 16> ArgTys;
+  // Add the 'this' pointer.
+  ArgTys.push_back(MD->getThisType(Context));
+  
+  const FunctionProtoType *FTP = MD->getType()->getAsFunctionProtoType();
+  for (unsigned i = 0, e = FTP->getNumArgs(); i != e; ++i)
+    ArgTys.push_back(FTP->getArgType(i));
+  return getFunctionInfo(FTP->getResultType(), ArgTys);
+}
+
 const CGFunctionInfo &CodeGenTypes::getFunctionInfo(const FunctionDecl *FD) {
+  if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) {
+    if (MD->isInstance())
+      return getFunctionInfo(MD);
+  }
+  
   const FunctionType *FTy = FD->getType()->getAsFunctionType();
   if (const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FTy))
     return getFunctionInfo(FTP);
diff --git a/lib/CodeGen/CodeGenTypes.h b/lib/CodeGen/CodeGenTypes.h
index 813ff8b2a2..33417e5f01 100644
--- a/lib/CodeGen/CodeGenTypes.h
+++ b/lib/CodeGen/CodeGenTypes.h
@@ -32,6 +32,7 @@ namespace llvm {
 namespace clang {
   class ABIInfo;
   class ASTContext;
+  class CXXMethodDecl;
   class FieldDecl;
   class FunctionProtoType;
   class ObjCInterfaceDecl;
@@ -172,6 +173,7 @@ public:
   const CGFunctionInfo &getFunctionInfo(const FunctionNoProtoType *FTNP);
   const CGFunctionInfo &getFunctionInfo(const FunctionProtoType *FTP);
   const CGFunctionInfo &getFunctionInfo(const FunctionDecl *FD);
+  const CGFunctionInfo &getFunctionInfo(const CXXMethodDecl *MD);
   const CGFunctionInfo &getFunctionInfo(const ObjCMethodDecl *MD);
   const CGFunctionInfo &getFunctionInfo(QualType ResTy, 
                                         const CallArgList &Args);
-- 
2.40.0