1; RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
2
3; GCN-LABEL: {{^}}const_load_no_shrink_dword_to_unaligned_byte:
4; GCN: s_load_dword [[LD:s[0-9]+]],
5; GCN: s_bfe_i32 s{{[0-9]+}}, [[LD]], 0x10013
6define amdgpu_kernel void @const_load_no_shrink_dword_to_unaligned_byte(i32 addrspace(1)* %out, i32 addrspace(4)* %in, i32 %x) {
7  %ptr = getelementptr i32, i32 addrspace(4)* %in, i32 %x
8  %load = load i32, i32 addrspace(4)* %ptr, align 4
9  %and = and i32 %load, 524288
10  %cmp = icmp eq i32 %and, 0
11  %sel = select i1 %cmp, i32 0, i32 -1
12  store i32 %sel, i32 addrspace(1)* %out
13  ret void
14}
15
16; GCN-LABEL: const_load_no_shrink_dword_to_aligned_byte:
17; GCN: s_load_dword [[LD:s[0-9]+]],
18; GCN: s_bfe_i32 s{{[0-9]+}}, [[LD]], 0x10003
19define amdgpu_kernel void @const_load_no_shrink_dword_to_aligned_byte(i32 addrspace(1)* %out, i32 addrspace(4)* %in, i32 %x) {
20  %ptr = getelementptr i32, i32 addrspace(4)* %in, i32 %x
21  %load = load i32, i32 addrspace(4)* %ptr, align 4
22  %and = and i32 %load, 8
23  %cmp = icmp eq i32 %and, 0
24  %sel = select i1 %cmp, i32 0, i32 -1
25  store i32 %sel, i32 addrspace(1)* %out
26  ret void
27}
28
29; GCN-LABEL: global_load_no_shrink_dword_to_unaligned_byte:
30; GCN: s_load_dword [[LD:s[0-9]+]],
31; GCN: s_bfe_i32 s{{[0-9]+}}, [[LD]], 0x10013
32define amdgpu_kernel void @global_load_no_shrink_dword_to_unaligned_byte(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in, i32 %x) {
33  %ptr = getelementptr i32, i32 addrspace(1)* %in, i32 %x
34  %load = load i32, i32 addrspace(1)* %ptr, align 4
35  %and = and i32 %load, 524288
36  %cmp = icmp eq i32 %and, 0
37  %sel = select i1 %cmp, i32 0, i32 -1
38  store i32 %sel, i32 addrspace(1)* %out
39  ret void
40}
41
42; GCN-LABEL: global_load_no_shrink_dword_to_aligned_byte:
43; GCN: s_load_dword [[LD:s[0-9]+]],
44; GCN: s_bfe_i32 s{{[0-9]+}}, [[LD]], 0x10003
45define amdgpu_kernel void @global_load_no_shrink_dword_to_aligned_byte(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i32 %x) {
46  %ptr = getelementptr i32, i32 addrspace(1)* %in, i32 %x
47  %load = load i32, i32 addrspace(1)* %ptr, align 4
48  %and = and i32 %load, 8
49  %cmp = icmp eq i32 %and, 0
50  %sel = select i1 %cmp, i32 0, i32 -1
51  store i32 %sel, i32 addrspace(1)* %out
52  ret void
53}
54
55; GCN-LABEL: const_load_shrink_dword_to_unaligned_byte:
56; GCN: global_load_ushort
57define amdgpu_kernel void @const_load_shrink_dword_to_unaligned_byte(i32 addrspace(1)* %out, i32 addrspace(4)* %in, i32 %x) {
58  %ptr = getelementptr i32, i32 addrspace(4)* %in, i32 %x
59  %load = load i32, i32 addrspace(4)* %ptr, align 2
60  %and = and i32 %load, 524288
61  %cmp = icmp eq i32 %and, 0
62  %sel = select i1 %cmp, i32 0, i32 -1
63  store i32 %sel, i32 addrspace(1)* %out
64  ret void
65}
66