[cfe-commits] r59080 - in /cfe/trunk: lib/CodeGen/CodeGenModule.cpp test/CodeGen/stdcall-fastcall.c

[Anton Korobeynikov]

Author: asl
Date: Tue Nov 11 14:21:14 2008
New Revision: 59080

URL: http://llvm.org/viewvc/llvm-project?rev=59080&view=rev
Log:
Codegen support for fastcall & stdcall CC.
Patch by Ilya Okonsky!

Added:
    cfe/trunk/test/CodeGen/stdcall-fastcall.c
Modified:
    cfe/trunk/lib/CodeGen/CodeGenModule.cpp

Modified: cfe/trunk/lib/CodeGen/CodeGenModule.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenModule.cpp?rev=59080&r1=59079&r2=59080&view=diff

==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenModule.cpp (original)
+++ cfe/trunk/lib/CodeGen/CodeGenModule.cpp Tue Nov 11 14:21:14 2008
@@ -252,7 +252,10 @@
 
   // Set the appropriate calling convention for the Function.
   if (D->getAttr<FastCallAttr>())
-    F->setCallingConv(llvm::CallingConv::Fast);
+    F->setCallingConv(llvm::CallingConv::X86_FastCall);
+
+  if (D->getAttr<StdCallAttr>())
+    F->setCallingConv(llvm::CallingConv::X86_StdCall);
 }
 
 /// SetFunctionAttributesForDefinition - Set function attributes

Added: cfe/trunk/test/CodeGen/stdcall-fastcall.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/stdcall-fastcall.c?rev=59080&view=auto

==============================================================================
--- cfe/trunk/test/CodeGen/stdcall-fastcall.c (added)
+++ cfe/trunk/test/CodeGen/stdcall-fastcall.c Tue Nov 11 14:21:14 2008
@@ -0,0 +1,17 @@
+// RUN: clang -emit-llvm < %s | grep 'fastcallcc' | count 4
+// RUN: clang -emit-llvm < %s | grep 'stdcallcc' | count 4
+
+void __attribute__((fastcall)) f1(void);
+void __attribute__((stdcall)) f2(void);
+void __attribute__((fastcall)) f3(void) {
+  f1();
+}
+void __attribute__((stdcall)) f4(void) {
+  f2();
+}
+
+int main(void) {
+    f3(); f4();
+    return 0;
+}
+