xref: /aosp_15_r20/external/clang/test/CodeGenCXX/microsoft-abi-default-cc.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -triple i386-pc-linux -emit-llvm %s -o - | FileCheck -check-prefix GCABI %s
2*67e74705SXin Li // RUN: %clang_cc1 -emit-llvm %s -o - -DMS_ABI -triple=i386-pc-win32 | FileCheck -check-prefix MSABI %s
3*67e74705SXin Li 
4*67e74705SXin Li #ifdef MS_ABI
5*67e74705SXin Li # define METHOD_CC __thiscall
6*67e74705SXin Li #else
7*67e74705SXin Li # define METHOD_CC __attribute__ ((cdecl))
8*67e74705SXin Li #endif
9*67e74705SXin Li 
10*67e74705SXin Li // Test that it's OK to have multiple function declarations with the default CC
11*67e74705SXin Li // both mentioned explicitly and implied.
12*67e74705SXin Li void foo();
13*67e74705SXin Li void __cdecl foo();
foo()14*67e74705SXin Li void __cdecl foo() {}
15*67e74705SXin Li // GCABI-LABEL: define void @_Z3foov()
16*67e74705SXin Li // MSABI: define void @"\01?foo@@YAXXZ"
17*67e74705SXin Li 
18*67e74705SXin Li void __cdecl bar();
19*67e74705SXin Li void bar();
bar()20*67e74705SXin Li void bar() {}
21*67e74705SXin Li // GCABI-LABEL: define void @_Z3barv()
22*67e74705SXin Li // MSABI: define void @"\01?bar@@YAXXZ"
23*67e74705SXin Li 
24*67e74705SXin Li // Test that it's OK to mark either the method declaration or method definition
25*67e74705SXin Li // with a default CC explicitly.
26*67e74705SXin Li class A {
27*67e74705SXin Li public:
28*67e74705SXin Li   void baz();
29*67e74705SXin Li   void METHOD_CC qux();
30*67e74705SXin Li 
31*67e74705SXin Li   static void static_baz();
32*67e74705SXin Li   static void __cdecl static_qux();
33*67e74705SXin Li };
34*67e74705SXin Li 
baz()35*67e74705SXin Li void METHOD_CC A::baz() {}
36*67e74705SXin Li // GCABI-LABEL: define void @_ZN1A3bazEv
37*67e74705SXin Li // MSABI: define x86_thiscallcc void @"\01?baz@A@@QAEXXZ"
qux()38*67e74705SXin Li void A::qux() {}
39*67e74705SXin Li // GCABI-LABEL: define void @_ZN1A3quxEv
40*67e74705SXin Li // MSABI: define x86_thiscallcc void @"\01?qux@A@@QAEXXZ"
41*67e74705SXin Li 
static_baz()42*67e74705SXin Li void __cdecl static_baz() {}
43*67e74705SXin Li // GCABI-LABEL: define void @_Z10static_bazv
44*67e74705SXin Li // MSABI: define void @"\01?static_baz@@YAXXZ"
static_qux()45*67e74705SXin Li void static_qux() {}
46*67e74705SXin Li // GCABI-LABEL: define void @_Z10static_quxv
47*67e74705SXin Li // MSABI: define void @"\01?static_qux@@YAXXZ"
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