1; RUN: opt -instcombine -S < %s | FileCheck %s
2
3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:4"
4target triple = "x86_64-unknown-linux-gnu"
5
6define i8 addrspace(4)* @f_0() {
7; CHECK-LABEL: @f_0(
8; CHECK: ret i8 addrspace(4)* getelementptr (i8, i8 addrspace(4)* null, i64 50)
9  %result = getelementptr i8, i8 addrspace(4)* null, i64 50
10  ret i8 addrspace(4)* %result
11}
12
13define i8 addrspace(3)* @f_1() {
14; inttoptr is fine here since addrspace(3) is integral.
15
16; CHECK-LABEL: @f_1(
17; CHECK: ret i8 addrspace(3)* inttoptr (i64 50 to i8 addrspace(3)*)
18  %result = getelementptr i8, i8 addrspace(3)* null, i64 50
19  ret i8 addrspace(3)* %result
20}
21
22define void @f_2(i8 addrspace(4)** %ptr0, i8 addrspace(4)** %ptr1) {
23; It is not okay to convert the load/store pair to load and store
24; integers, since pointers in address space 4 are non-integral.
25
26; CHECK-LABEL: @f_2(
27entry:
28; CHECK:  %val = load i8 addrspace(4)*, i8 addrspace(4)** %ptr0, align 8
29; CHECK:  store i8 addrspace(4)* %val, i8 addrspace(4)** %ptr1, align 8
30; CHECK-NOT: load i64
31; CHECK-NOT: store i64
32  %val = load i8 addrspace(4)*, i8 addrspace(4)** %ptr0
33  store i8 addrspace(4)* %val, i8 addrspace(4)** %ptr1
34  ret void
35}
36
37define void @f_3(i8 addrspace(3)** %ptr0, i8 addrspace(3)** %ptr1) {
38; It *is* okay to convert the load/store pair to load and store
39; integers, since pointers in address space 3 are integral.
40
41; CHECK-LABEL: @f_3(
42entry:
43; CHECK: load i64
44; CHECK:  store i64
45  %val = load i8 addrspace(3)*, i8 addrspace(3)** %ptr0
46  store i8 addrspace(3)* %val, i8 addrspace(3)** %ptr1
47  ret void
48}
49