Add support for Microsoft's __thiscall, from Steven Watanabe!

llvm-svn: 104026

1 files changed, 24 insertions, 13 deletions

diff --git a/clang/test/CodeGen/stdcall-fastcall.c b/clang/test/CodeGen/stdcall-fastcall.c
index 46fe326fadf..6f3b0032877 100644
--- a/clang/test/CodeGen/stdcall-fastcall.c
+++ b/clang/test/CodeGen/stdcall-fastcall.c
@@ -2,38 +2,49 @@
 
 void __attribute__((fastcall)) f1(void);
 void __attribute__((stdcall)) f2(void);
-void __attribute__((fastcall)) f3(void) {
-// CHECK: define x86_fastcallcc void @f3()
+void __attribute__((thiscall)) f3(void);
+void __attribute__((fastcall)) f4(void) {
+// CHECK: define x86_fastcallcc void @f4()
   f1();
 // CHECK: call x86_fastcallcc void @f1()
 }
-void __attribute__((stdcall)) f4(void) {
-// CHECK: define x86_stdcallcc void @f4()
+void __attribute__((stdcall)) f5(void) {
+// CHECK: define x86_stdcallcc void @f5()
   f2();
 // CHECK: call x86_stdcallcc void @f2()
 }
+void __attribute__((thiscall)) f6(void) {
+// CHECK: define x86_thiscallcc void @f6()
+  f3();
+// CHECK: call x86_thiscallcc void @f3()
+}
 
 // PR5280
 void (__attribute__((fastcall)) *pf1)(void) = f1;
 void (__attribute__((stdcall)) *pf2)(void) = f2;
-void (__attribute__((fastcall)) *pf3)(void) = f3;
-void (__attribute__((stdcall)) *pf4)(void) = f4;
+void (__attribute__((thiscall)) *pf3)(void) = f3;
+void (__attribute__((fastcall)) *pf4)(void) = f4;
+void (__attribute__((stdcall)) *pf5)(void) = f5;
+void (__attribute__((thiscall)) *pf6)(void) = f6;
 
 int main(void) {
-    f3(); f4();
-    // CHECK: call x86_fastcallcc void @f3()
-    // CHECK: call x86_stdcallcc void @f4()
-    pf1(); pf2(); pf3(); pf4();
+    f4(); f5(); f6();
+    // CHECK: call x86_fastcallcc void @f4()
+    // CHECK: call x86_stdcallcc void @f5()
+    // CHECK: call x86_thiscallcc void @f6()
+    pf1(); pf2(); pf3(); pf4(); pf5(); pf6();
     // CHECK: call x86_fastcallcc void %{{.*}}()
     // CHECK: call x86_stdcallcc void %{{.*}}()
+    // CHECK: call x86_thiscallcc void %{{.*}}()
     // CHECK: call x86_fastcallcc void %{{.*}}()
     // CHECK: call x86_stdcallcc void %{{.*}}()
+    // CHECK: call x86_thiscallcc void %{{.*}}()
     return 0;
 }
 
 // PR7117
-void __attribute((stdcall)) f5(foo) int foo; {}
-void f6(void) {
-  f5(0);
+void __attribute((stdcall)) f7(foo) int foo; {}
+void f8(void) {
+  f7(0);
   // CHECK: call x86_stdcallcc void (...)* bitcast
 }