1; RUN: opt < %s -ipsccp -S | FileCheck %s
2; Don't constant-propagate byval pointers, since they are not pointers!
3; PR5038
4%struct.MYstr = type { i8, i32 }
5@mystr = internal global %struct.MYstr zeroinitializer ; <%struct.MYstr*> [#uses=3]
6define internal void @vfu1(%struct.MYstr* byval align 4 %u) nounwind {
7entry:
8  %0 = getelementptr %struct.MYstr* %u, i32 0, i32 1 ; <i32*> [#uses=1]
9  store i32 99, i32* %0, align 4
10; CHECK: %struct.MYstr* %u
11  %1 = getelementptr %struct.MYstr* %u, i32 0, i32 0 ; <i8*> [#uses=1]
12  store i8 97, i8* %1, align 4
13; CHECK: %struct.MYstr* %u
14  br label %return
15
16return:                                           ; preds = %entry
17  ret void
18}
19
20define internal i32 @vfu2(%struct.MYstr* byval align 4 %u) nounwind readonly {
21entry:
22  %0 = getelementptr %struct.MYstr* %u, i32 0, i32 1 ; <i32*> [#uses=1]
23  %1 = load i32* %0
24; CHECK: load i32* getelementptr inbounds (%struct.MYstr* @mystr, i32 0, i32 1)
25  %2 = getelementptr %struct.MYstr* %u, i32 0, i32 0 ; <i8*> [#uses=1]
26  %3 = load i8* %2
27; CHECK: load i8* getelementptr inbounds (%struct.MYstr* @mystr, i32 0, i32 0)
28  %4 = zext i8 %3 to i32
29  %5 = add i32 %4, %1
30  ret i32 %5
31}
32
33define i32 @unions() nounwind {
34entry:
35  call void @vfu1(%struct.MYstr* byval align 4 @mystr) nounwind
36  %result = call i32 @vfu2(%struct.MYstr* byval align 4 @mystr) nounwind
37
38  ret i32 %result
39}
40
41