xref: /aosp_15_r20/external/clang/test/CodeGenCXX/fastcall.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm -o - %s | FileCheck %s
2*67e74705SXin Li 
3*67e74705SXin Li void __attribute__((fastcall)) foo1(int &y);
bar1(int & y)4*67e74705SXin Li void bar1(int &y) {
5*67e74705SXin Li   // CHECK-LABEL: define void @_Z4bar1Ri
6*67e74705SXin Li   // CHECK: call x86_fastcallcc void @_Z4foo1Ri(i32* inreg dereferenceable({{[0-9]+}}) %
7*67e74705SXin Li   foo1(y);
8*67e74705SXin Li }
9*67e74705SXin Li 
10*67e74705SXin Li struct S1 {
11*67e74705SXin Li   int x;
12*67e74705SXin Li   S1(const S1 &y);
13*67e74705SXin Li };
14*67e74705SXin Li 
15*67e74705SXin Li void __attribute__((fastcall)) foo2(S1 a, int b);
bar2(S1 a,int b)16*67e74705SXin Li void bar2(S1 a, int b) {
17*67e74705SXin Li   // CHECK-LABEL: define void @_Z4bar22S1i
18*67e74705SXin Li   // CHECK: call x86_fastcallcc void @_Z4foo22S1i(%struct.S1* inreg %{{.*}}, i32 inreg %
19*67e74705SXin Li   foo2(a, b);
20*67e74705SXin Li }
21