1; RUN: not llvm-as %s -o /dev/null 2>&1 | FileCheck %s
2
3%swift_error = type {i64, i8}
4
5; CHECK: swifterror value can only be loaded and stored from, or as a swifterror argument!
6; CHECK: %swift_error** %error_ptr_ref
7; CHECK: %t = getelementptr inbounds %swift_error*, %swift_error** %error_ptr_ref, i64 1
8define float @foo(%swift_error** swifterror %error_ptr_ref) {
9  %t = getelementptr inbounds %swift_error*, %swift_error** %error_ptr_ref, i64 1
10  ret float 1.0
11}
12
13; CHECK: swifterror argument for call has mismatched alloca
14; CHECK: %error_ptr_ref = alloca %swift_error*
15; CHECK: %call = call float @foo(%swift_error** swifterror %error_ptr_ref)
16define float @caller(i8* %error_ref) {
17entry:
18  %error_ptr_ref = alloca %swift_error*
19  store %swift_error* null, %swift_error** %error_ptr_ref
20  %call = call float @foo(%swift_error** swifterror %error_ptr_ref)
21  ret float 1.0
22}
23
24; CHECK: Cannot have multiple 'swifterror' parameters!
25declare void @a(i32** swifterror %a, i32** swifterror %b)
26
27; CHECK: Attribute 'swifterror' only applies to parameters with pointer type!
28declare void @b(i32 swifterror %a)
29
30; CHECK: Attribute 'swifterror' only applies to parameters with pointer to pointer type!
31declare void @c(i32* swifterror %a)
32