commit 0362a6d466e68a0dfdda8c3c8e0947ce8747e5ae
author Aaron Ballman <aaron@aaronballman.com> Wed Dec 18 16:23:37 2013 +0000
committer Aaron Ballman <aaron@aaronballman.com> Wed Dec 18 16:23:37 2013 +0000
tree b0246fcfc2920b04506201b7d0f81205741c467d
parent 4b0ffe7e493c07a2416e7005c370e027e13d4ac5

Implement the MSABI and SysVABI calling conventions for Objective-C method declarations. This appears to be an omission from r189644.

llvm-svn: 197584

clang/lib/CodeGen/CGCall.cpp

diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp
index 50cbdb1..8cc61e9 100644
--- a/clang/lib/CodeGen/CGCall.cpp
+++ b/clang/lib/CodeGen/CGCall.cpp
@@ -123,7 +123,7 @@
   return ::arrangeFreeFunctionType(*this, argTypes, FTP);
 }
 
-static CallingConv getCallingConventionForDecl(const Decl *D) {
+static CallingConv getCallingConventionForDecl(const Decl *D, bool IsWindows) {
   // Set the appropriate calling convention for the Function.
   if (D->hasAttr<StdCallAttr>())
     return CC_X86StdCall;
@@ -146,6 +146,12 @@
   if (D->hasAttr<IntelOclBiccAttr>())
     return CC_IntelOclBicc;
 
+  if (D->hasAttr<MSABIAttr>())
+    return IsWindows ? CC_C : CC_X86_64Win64;
+
+  if (D->hasAttr<SysVABIAttr>())
+    return IsWindows ? CC_X86_64SysV : CC_C;
+
   return CC_C;
 }
 
@@ -293,7 +299,8 @@
   }
 
   FunctionType::ExtInfo einfo;
-  einfo = einfo.withCallingConv(getCallingConventionForDecl(MD));
+  bool IsWindows = getContext().getTargetInfo().getTriple().isOSWindows();
+  einfo = einfo.withCallingConv(getCallingConventionForDecl(MD, IsWindows));
 
   if (getContext().getLangOpts().ObjCAutoRefCount &&
       MD->hasAttr<NSReturnsRetainedAttr>())