1; RUN: opt < %s -instsimplify -S | FileCheck %s
2
3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
4target triple = "x86_64-unknown-linux-gnu"
5
6@a = external global i8
7@b = external global i8
8
9@c1 = constant i32 trunc (i64 sub (i64 ptrtoint (i8* @a to i64), i64 ptrtoint (i32* @c1 to i64)) to i32)
10@c2 = constant [7 x i32] [i32 0, i32 0,
11i32 trunc (i64 sub (i64 ptrtoint (i8* @a to i64), i64 ptrtoint (i32* getelementptr ([7 x i32], [7 x i32]* @c2, i32 0, i32 2) to i64)) to i32),
12i32 trunc (i64 sub (i64 ptrtoint (i8* @b to i64), i64 ptrtoint (i32* getelementptr ([7 x i32], [7 x i32]* @c2, i32 0, i32 2) to i64)) to i32),
13i32 trunc (i64 add (i64 ptrtoint (i8* @b to i64), i64 ptrtoint (i32* getelementptr ([7 x i32], [7 x i32]* @c2, i32 0, i32 2) to i64)) to i32),
14i32 trunc (i64 sub (i64 ptrtoint (i8* @b to i64), i64 1) to i32),
15i32 trunc (i64 sub (i64 0, i64 ptrtoint (i32* getelementptr ([7 x i32], [7 x i32]* @c2, i32 0, i32 2) to i64)) to i32)
16]
17
18; CHECK: @f1
19define i8* @f1() {
20  ; CHECK: ret i8* @a
21  %l = call i8* @llvm.load.relative.i32(i8* bitcast (i32* @c1 to i8*), i32 0)
22  ret i8* %l
23}
24
25; CHECK: @f2
26define i8* @f2() {
27  ; CHECK: ret i8* @a
28  %l = call i8* @llvm.load.relative.i32(i8* bitcast (i32* getelementptr ([7 x i32], [7 x i32]* @c2, i64 0, i64 2) to i8*), i32 0)
29  ret i8* %l
30}
31
32; CHECK: @f3
33define i8* @f3() {
34  ; CHECK: ret i8* @b
35  %l = call i8* @llvm.load.relative.i64(i8* bitcast (i32* getelementptr ([7 x i32], [7 x i32]* @c2, i64 0, i64 2) to i8*), i64 4)
36  ret i8* %l
37}
38
39; CHECK: @f4
40define i8* @f4() {
41  ; CHECK: ret i8* %
42  %l = call i8* @llvm.load.relative.i32(i8* bitcast (i32* getelementptr ([7 x i32], [7 x i32]* @c2, i64 0, i64 2) to i8*), i32 1)
43  ret i8* %l
44}
45
46; CHECK: @f5
47define i8* @f5() {
48  ; CHECK: ret i8* %
49  %l = call i8* @llvm.load.relative.i32(i8* zeroinitializer, i32 0)
50  ret i8* %l
51}
52
53; CHECK: @f6
54define i8* @f6() {
55  ; CHECK: ret i8* %
56  %l = call i8* @llvm.load.relative.i32(i8* bitcast (i32* getelementptr ([7 x i32], [7 x i32]* @c2, i64 0, i64 2) to i8*), i32 8)
57  ret i8* %l
58}
59
60; CHECK: @f7
61define i8* @f7() {
62  ; CHECK: ret i8* %
63  %l = call i8* @llvm.load.relative.i32(i8* bitcast (i32* getelementptr ([7 x i32], [7 x i32]* @c2, i64 0, i64 2) to i8*), i32 12)
64  ret i8* %l
65}
66
67; CHECK: @f8
68define i8* @f8() {
69  ; CHECK: ret i8* %
70  %l = call i8* @llvm.load.relative.i32(i8* bitcast (i32* getelementptr ([7 x i32], [7 x i32]* @c2, i64 0, i64 2) to i8*), i32 16)
71  ret i8* %l
72}
73
74declare i8* @llvm.load.relative.i32(i8*, i32)
75declare i8* @llvm.load.relative.i64(i8*, i64)
76