1; RUN: opt -S -mergefunc < %s | FileCheck %s
2
3%Opaque_type = type opaque
4%S2i = type <{ i64, i64 }>
5%D2i = type <{ i64, i64 }>
6%Di = type <{ i32 }>
7%Si = type <{ i32 }>
8
9define void @B(%Opaque_type* sret(%Opaque_type) %a, %S2i* %b, i32* %xp, i32* %yp) {
10  %x = load i32, i32* %xp
11  %y = load i32, i32* %yp
12  %sum = add i32 %x, %y
13  %sum2 = add i32 %sum, %y
14  %sum3 = add i32 %sum2, %y
15  ret void
16}
17
18define void @C(%Opaque_type* sret(%Opaque_type) %a, %S2i* %b, i32* %xp, i32* %yp) {
19  %x = load i32, i32* %xp
20  %y = load i32, i32* %yp
21  %sum = add i32 %x, %y
22  %sum2 = add i32 %sum, %y
23  %sum3 = add i32 %sum2, %y
24  ret void
25}
26
27define void @A(%Opaque_type* sret(%Opaque_type) %a, %D2i* %b, i32* %xp, i32* %yp) {
28  %x = load i32, i32* %xp
29  %y = load i32, i32* %yp
30  %sum = add i32 %x, %y
31  %sum2 = add i32 %sum, %y
32  %sum3 = add i32 %sum2, %y
33  ret void
34}
35
36; Make sure we transfer the parameter attributes to the call site.
37; CHECK-LABEL: define void @C(%Opaque_type* sret
38; CHECK:  tail call void bitcast (void (%Opaque_type*, %D2i*, i32*, i32*)* @A to void (%Opaque_type*, %S2i*, i32*, i32*)*)(%Opaque_type* sret(%Opaque_type) %0, %S2i* %1, i32* %2, i32* %3)
39; CHECK:  ret void
40
41
42; Make sure we transfer the parameter attributes to the call site.
43; CHECK-LABEL: define void @B(%Opaque_type* sret
44; CHECK:  %5 = bitcast
45; CHECK:  tail call void @A(%Opaque_type* sret(%Opaque_type) %0, %D2i* %5, i32* %2, i32* %3)
46; CHECK:  ret void
47
48