xref: /llvm-project/clang/test/CodeGenObjC/stret_lookup.m (revision 158d72d728261c1e54dc77931372b2322c52849f) 
1// RUN: %clang_cc1 -DSTRET -triple x86_64-pc-linux-gnu -fobjc-runtime=objfw -emit-llvm -o - %s | FileCheck -check-prefix=HASSTRET %s
2// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fobjc-runtime=gcc -emit-llvm -o - %s | FileCheck -check-prefix=NOSTRET %s
3
4// Test stret lookup
5
6struct test {
7  char test[1024];
8};
9@interface Test0
10+ (struct test)test;
11@end
12void test0(void) {
13  struct test t;
14#if (defined(STRET) && defined(__OBJFW_RUNTIME_ABI__)) || \
15    (!defined(STRET) && !defined(__OBJFW_RUNTIME_ABI__))
16  t = [Test0 test];
17#endif
18  (void)t;
19}
20
21// HASSTRET-LABEL: define{{.*}} void @test0()
22// HASSTRET: [[T0:%.*]] = call ptr @objc_msg_lookup_stret(ptr @_OBJC_CLASS_Test0,
23// HASSTRET-NEXT: call void [[T0]](ptr dead_on_unwind writable sret(%struct.test) {{.*}}, ptr noundef @_OBJC_CLASS_Test0,
24
25// NOSTRET-LABEL: define{{.*}} void @test0()
26// NOSTRET: [[T0:%.*]] = call ptr @objc_msg_lookup(ptr
27// NOSTRET-NEXT: call void [[T0]](ptr dead_on_unwind writable sret(%struct.test) {{.*}}, ptr {{.*}}, ptr noundef
28