xref: /llvm-project/clang/test/CodeGenCXX/call-with-static-chain.cpp (revision 158d72d728261c1e54dc77931372b2322c52849f)
1 // RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm -o - %s | FileCheck -check-prefix=CHECK32 %s
2 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck -check-prefix=CHECK64 %s
3 
4 struct A {
5   long x, y;
6 };
7 
8 struct B {
9   long x, y, z, w;
10 };
11 
12 extern "C" {
13 
14 int f1(A, A, A, A);
15 B f2(void);
16 _Complex float f3(void);
17 A &f4();
18 
19 }
20 
test()21 void test() {
22   A a;
23 
24   // CHECK32: call i32 @f1(ptr nest noundef @f1
25   // CHECK64: call i32 @f1(ptr nest noundef @f1
26   __builtin_call_with_static_chain(f1(a, a, a, a), f1);
27 
28   // CHECK32: call void @f2(ptr dead_on_unwind writable sret(%struct.B) align 4 %{{[0-9a-z]+}}, ptr nest noundef @f2)
29   // CHECK64: call void @f2(ptr dead_on_unwind writable sret(%struct.B) align 8 %{{[0-9a-z]+}}, ptr nest noundef @f2)
30   __builtin_call_with_static_chain(f2(), f2);
31 
32   // CHECK32: call i64 @f3(ptr nest noundef @f3)
33   // CHECK64: call <2 x float> @f3(ptr nest noundef @f3)
34   __builtin_call_with_static_chain(f3(), f3);
35 
36   // CHECK32: call nonnull align 4 dereferenceable(8) ptr @f4(ptr nest noundef @f4)
37   // CHECK64: call nonnull align 8 dereferenceable(16) ptr @f4(ptr nest noundef @f4)
38   __builtin_call_with_static_chain(f4(), f4);
39 }
40