1 ; RUN: opt < %s -ipsccp -S | FileCheck %s
2 ; Don't constant-propagate byval pointers, since they are not pointers!
4 %struct.MYstr = type { i8, i32 }
5 @mystr = internal global %struct.MYstr zeroinitializer ; <%struct.MYstr*> [#uses=3]
6 define internal void @vfu1(%struct.MYstr* byval align 4 %u) nounwind {
8 %0 = getelementptr %struct.MYstr, %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, %struct.MYstr* %u, i32 0, i32 0 ; <i8*> [#uses=1]
12 store i8 97, i8* %1, align 4
13 ; CHECK: %struct.MYstr* %u
16 return: ; preds = %entry
20 define internal i32 @vfu2(%struct.MYstr* byval align 4 %u) nounwind readonly {
22 %0 = getelementptr %struct.MYstr, %struct.MYstr* %u, i32 0, i32 1 ; <i32*> [#uses=1]
23 %1 = load i32, i32* %0
24 ; CHECK: load i32, i32* getelementptr inbounds (%struct.MYstr, %struct.MYstr* @mystr, i32 0, i32 1)
25 %2 = getelementptr %struct.MYstr, %struct.MYstr* %u, i32 0, i32 0 ; <i8*> [#uses=1]
27 ; CHECK: load i8, i8* getelementptr inbounds (%struct.MYstr, %struct.MYstr* @mystr, i32 0, i32 0)
28 %4 = zext i8 %3 to i32
33 define i32 @unions() nounwind {
35 call void @vfu1(%struct.MYstr* byval align 4 @mystr) nounwind
36 %result = call i32 @vfu2(%struct.MYstr* byval align 4 @mystr) nounwind