xref: /llvm-project/llvm/test/Transforms/MergeFunc/apply_function_attributes.ll (revision ee2789001b8558656a13502f0de2c81dcb419430) 
1; RUN: opt -S -passes=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(ptr sret(%Opaque_type) %a, ptr %b, ptr %xp, ptr %yp) {
10  %x = load i32, ptr %xp
11  %y = load i32, ptr %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(ptr sret(%Opaque_type) %a, ptr %b, ptr %xp, ptr %yp) {
19  %x = load i32, ptr %xp
20  %y = load i32, ptr %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(ptr sret(%Opaque_type) %a, ptr %b, ptr %xp, ptr %yp) {
28  %x = load i32, ptr %xp
29  %y = load i32, ptr %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(ptr sret
38; CHECK:  tail call void @A(ptr sret(%Opaque_type) %0, ptr %1, ptr %2, ptr %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(ptr sret
44; CHECK:  tail call void @A(ptr sret(%Opaque_type) %0, ptr %1, ptr %2, ptr %3)
45; CHECK:  ret void
46
47