xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGenCXX/fastcall.cpp (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338) 
1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm -o - %s | FileCheck %s
2*f4a2713aSLionel Sambuc 
3*f4a2713aSLionel Sambuc void __attribute__((fastcall)) foo1(int &y);
4*f4a2713aSLionel Sambuc void bar1(int &y) {
5*f4a2713aSLionel Sambuc   // CHECK-LABEL: define void @_Z4bar1Ri
6*f4a2713aSLionel Sambuc   // CHECK: call x86_fastcallcc void @_Z4foo1Ri(i32* inreg %
7*f4a2713aSLionel Sambuc   foo1(y);
8*f4a2713aSLionel Sambuc }
9*f4a2713aSLionel Sambuc 
10*f4a2713aSLionel Sambuc struct S1 {
11*f4a2713aSLionel Sambuc   int x;
12*f4a2713aSLionel Sambuc   S1(const S1 &y);
13*f4a2713aSLionel Sambuc };
14*f4a2713aSLionel Sambuc 
15*f4a2713aSLionel Sambuc void __attribute__((fastcall)) foo2(S1 a, int b);
16*f4a2713aSLionel Sambuc void bar2(S1 a, int b) {
17*f4a2713aSLionel Sambuc   // CHECK-LABEL: define void @_Z4bar22S1i
18*f4a2713aSLionel Sambuc   // CHECK: call x86_fastcallcc void @_Z4foo22S1i(%struct.S1* inreg %{{.*}}, i32 inreg %
19*f4a2713aSLionel Sambuc   foo2(a, b);
20*f4a2713aSLionel Sambuc }
21