1; RUN: opt < %s -constprop -S | FileCheck %s
2
3%struct = type { i32, [4 x i8] }
4
5define i32 @test1() {
6  %A = extractvalue %struct { i32 2, [4 x i8] c"foo\00" }, 0
7  ret i32 %A
8; CHECK: @test1
9; CHECK: ret i32 2
10}
11
12define i8 @test2() {
13  %A = extractvalue %struct { i32 2, [4 x i8] c"foo\00" }, 1, 2
14  ret i8 %A
15; CHECK: @test2
16; CHECK: ret i8 111
17}
18
19define i32 @test3() {
20  %A = extractvalue [3 x %struct] [ %struct { i32 0, [4 x i8] c"aaaa" }, %struct { i32 1, [4 x i8] c"bbbb" }, %struct { i32 2, [4 x i8] c"cccc" } ], 1, 0
21  ret i32 %A
22; CHECK: @test3
23; CHECK: ret i32 1
24}
25
26define i32 @zeroinitializer-test1() {
27  %A = extractvalue %struct zeroinitializer, 0
28  ret i32 %A
29; CHECK: @zeroinitializer-test1
30; CHECK: ret i32 0
31}
32
33define i8 @zeroinitializer-test2() {
34  %A = extractvalue %struct zeroinitializer, 1, 2
35  ret i8 %A
36; CHECK: @zeroinitializer-test2
37; CHECK: ret i8 0
38}
39
40define i32 @zeroinitializer-test3() {
41  %A = extractvalue [3 x %struct] zeroinitializer, 1, 0
42  ret i32 %A
43; CHECK: @zeroinitializer-test3
44; CHECK: ret i32 0
45}
46
47define i32 @undef-test1() {
48  %A = extractvalue %struct undef, 0
49  ret i32 %A
50; CHECK: @undef-test1
51; CHECK: ret i32 undef
52}
53
54define i8 @undef-test2() {
55  %A = extractvalue %struct undef, 1, 2
56  ret i8 %A
57; CHECK: @undef-test2
58; CHECK: ret i8 undef
59}
60
61define i32 @undef-test3() {
62  %A = extractvalue [3 x %struct] undef, 1, 0
63  ret i32 %A
64; CHECK: @undef-test3
65; CHECK: ret i32 undef
66}
67
68