xref: /llvm-project/llvm/test/tools/llvm-split/AMDGPU/kernels-global-variables.ll (revision 6345604ae51df1251de5b5fd442910f4d8f5023e)
1; RUN: llvm-split -o %t %s -j 3 -mtriple amdgcn-amd-amdhsa
2; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK0 %s
3; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK1 %s
4; RUN: llvm-dis -o - %t2 | FileCheck --check-prefix=CHECK2 %s
5
6; 3 kernels use private/internal global variables.
7; The GVs should be copied in each partition as needed.
8
9; CHECK0-NOT: define
10; CHECK0: @foo = hidden constant ptr poison
11; CHECK0: @bar = hidden constant ptr poison
12; CHECK0: define amdgpu_kernel void @C
13; CHECK0-NOT: define
14
15; CHECK1-NOT: define
16; CHECK1: @foo = external hidden constant ptr{{$}}
17; CHECK1: @bar = external hidden constant ptr{{$}}
18; CHECK1: define amdgpu_kernel void @A
19; CHECK1-NOT: define
20
21; CHECK2-NOT: define
22; CHECK2: @foo = external hidden constant ptr{{$}}
23; CHECK2: @bar = external hidden constant ptr{{$}}
24; CHECK2: define amdgpu_kernel void @B
25; CHECK2-NOT: define
26
27@foo = private constant ptr poison
28@bar = internal constant ptr poison
29
30define amdgpu_kernel void @A() {
31  store i32 42, ptr @foo
32  ret void
33}
34
35define amdgpu_kernel void @B() {
36  store i32 42, ptr @foo
37  store i32 42, ptr @bar
38  ret void
39}
40
41define amdgpu_kernel void @C() {
42  store i32 42, ptr @bar
43  ret void
44}
45