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1; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=VI -check-prefix=GCN %s
2; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=CI -check-prefix=GCN %s
3
4; FIXME: Need to handle non-uniform case for function below (load without gep).
5; GCN-LABEL: {{^}}v_test_sub_i16:
6; VI: flat_load_ushort [[A:v[0-9]+]]
7; VI: flat_load_ushort [[B:v[0-9]+]]
8; VI: v_sub_u16_e32 [[ADD:v[0-9]+]], [[A]], [[B]]
9; VI-NEXT: buffer_store_short [[ADD]]
10define amdgpu_kernel void @v_test_sub_i16(i16 addrspace(1)* %out, i16 addrspace(1)* %in0, i16 addrspace(1)* %in1) #1 {
11  %tid = call i32 @llvm.amdgcn.workitem.id.x()
12  %gep.out = getelementptr inbounds i16, i16 addrspace(1)* %out, i32 %tid
13  %gep.in0 = getelementptr inbounds i16, i16 addrspace(1)* %in0, i32 %tid
14  %gep.in1 = getelementptr inbounds i16, i16 addrspace(1)* %in1, i32 %tid
15  %a = load volatile i16, i16 addrspace(1)* %gep.in0
16  %b = load volatile i16, i16 addrspace(1)* %gep.in1
17  %add = sub i16 %a, %b
18  store i16 %add, i16 addrspace(1)* %out
19  ret void
20}
21
22; FIXME: Need to handle non-uniform case for function below (load without gep).
23; GCN-LABEL: {{^}}v_test_sub_i16_constant:
24; VI: flat_load_ushort [[A:v[0-9]+]]
25; VI: v_add_u16_e32 [[ADD:v[0-9]+]], 0xffffff85, [[A]]
26; VI-NEXT: buffer_store_short [[ADD]]
27define amdgpu_kernel void @v_test_sub_i16_constant(i16 addrspace(1)* %out, i16 addrspace(1)* %in0) #1 {
28  %tid = call i32 @llvm.amdgcn.workitem.id.x()
29  %gep.out = getelementptr inbounds i16, i16 addrspace(1)* %out, i32 %tid
30  %gep.in0 = getelementptr inbounds i16, i16 addrspace(1)* %in0, i32 %tid
31  %a = load volatile i16, i16 addrspace(1)* %gep.in0
32  %add = sub i16 %a, 123
33  store i16 %add, i16 addrspace(1)* %out
34  ret void
35}
36
37; FIXME: Need to handle non-uniform case for function below (load without gep).
38; GCN-LABEL: {{^}}v_test_sub_i16_neg_constant:
39; VI: flat_load_ushort [[A:v[0-9]+]]
40; VI: v_add_u16_e32 [[ADD:v[0-9]+]], 0x34d, [[A]]
41; VI-NEXT: buffer_store_short [[ADD]]
42define amdgpu_kernel void @v_test_sub_i16_neg_constant(i16 addrspace(1)* %out, i16 addrspace(1)* %in0) #1 {
43  %tid = call i32 @llvm.amdgcn.workitem.id.x()
44  %gep.out = getelementptr inbounds i16, i16 addrspace(1)* %out, i32 %tid
45  %gep.in0 = getelementptr inbounds i16, i16 addrspace(1)* %in0, i32 %tid
46  %a = load volatile i16, i16 addrspace(1)* %gep.in0
47  %add = sub i16 %a, -845
48  store i16 %add, i16 addrspace(1)* %out
49  ret void
50}
51
52; FIXME: Need to handle non-uniform case for function below (load without gep).
53; GCN-LABEL: {{^}}v_test_sub_i16_inline_63:
54; VI: flat_load_ushort [[A:v[0-9]+]]
55; VI: v_subrev_u16_e32 [[ADD:v[0-9]+]], 63, [[A]]
56; VI-NEXT: buffer_store_short [[ADD]]
57define amdgpu_kernel void @v_test_sub_i16_inline_63(i16 addrspace(1)* %out, i16 addrspace(1)* %in0) #1 {
58  %tid = call i32 @llvm.amdgcn.workitem.id.x()
59  %gep.out = getelementptr inbounds i16, i16 addrspace(1)* %out, i32 %tid
60  %gep.in0 = getelementptr inbounds i16, i16 addrspace(1)* %in0, i32 %tid
61  %a = load volatile i16, i16 addrspace(1)* %gep.in0
62  %add = sub i16 %a, 63
63  store i16 %add, i16 addrspace(1)* %out
64  ret void
65}
66
67; FIXME: Need to handle non-uniform case for function below (load without gep).
68; GCN-LABEL: {{^}}v_test_sub_i16_zext_to_i32:
69; VI: flat_load_ushort [[A:v[0-9]+]]
70; VI: flat_load_ushort [[B:v[0-9]+]]
71; VI: v_sub_u16_e32 [[ADD:v[0-9]+]], [[A]], [[B]]
72; VI-NEXT: buffer_store_dword [[ADD]]
73define amdgpu_kernel void @v_test_sub_i16_zext_to_i32(i32 addrspace(1)* %out, i16 addrspace(1)* %in0, i16 addrspace(1)* %in1) #1 {
74  %tid = call i32 @llvm.amdgcn.workitem.id.x()
75  %gep.out = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 %tid
76  %gep.in0 = getelementptr inbounds i16, i16 addrspace(1)* %in0, i32 %tid
77  %gep.in1 = getelementptr inbounds i16, i16 addrspace(1)* %in1, i32 %tid
78  %a = load volatile i16, i16 addrspace(1)* %gep.in0
79  %b = load volatile i16, i16 addrspace(1)* %gep.in1
80  %add = sub i16 %a, %b
81  %ext = zext i16 %add to i32
82  store i32 %ext, i32 addrspace(1)* %out
83  ret void
84}
85
86; FIXME: Need to handle non-uniform case for function below (load without gep).
87; GCN-LABEL: {{^}}v_test_sub_i16_zext_to_i64:
88; VI: flat_load_ushort [[A:v[0-9]+]]
89; VI: flat_load_ushort [[B:v[0-9]+]]
90; VI: v_mov_b32_e32 v[[VZERO:[0-9]+]], 0
91; VI-DAG: v_sub_u16_e32 v[[ADD:[0-9]+]], [[A]], [[B]]
92; VI: buffer_store_dwordx2 v{{\[}}[[ADD]]:[[VZERO]]{{\]}}, off, {{s\[[0-9]+:[0-9]+\]}}, 0{{$}}
93define amdgpu_kernel void @v_test_sub_i16_zext_to_i64(i64 addrspace(1)* %out, i16 addrspace(1)* %in0, i16 addrspace(1)* %in1) #1 {
94  %tid = call i32 @llvm.amdgcn.workitem.id.x()
95  %gep.out = getelementptr inbounds i64, i64 addrspace(1)* %out, i32 %tid
96  %gep.in0 = getelementptr inbounds i16, i16 addrspace(1)* %in0, i32 %tid
97  %gep.in1 = getelementptr inbounds i16, i16 addrspace(1)* %in1, i32 %tid
98  %a = load volatile i16, i16 addrspace(1)* %gep.in0
99  %b = load volatile i16, i16 addrspace(1)* %gep.in1
100  %add = sub i16 %a, %b
101  %ext = zext i16 %add to i64
102  store i64 %ext, i64 addrspace(1)* %out
103  ret void
104}
105
106; FIXME: Need to handle non-uniform case for function below (load without gep).
107; GCN-LABEL: {{^}}v_test_sub_i16_sext_to_i32:
108; VI: flat_load_ushort [[A:v[0-9]+]]
109; VI: flat_load_ushort [[B:v[0-9]+]]
110; VI: v_sub_u16_e32 [[ADD:v[0-9]+]], [[B]], [[A]]
111; VI-NEXT: v_bfe_i32 [[SEXT:v[0-9]+]], [[ADD]], 0, 16
112; VI-NEXT: buffer_store_dword [[SEXT]]
113define amdgpu_kernel void @v_test_sub_i16_sext_to_i32(i32 addrspace(1)* %out, i16 addrspace(1)* %in0, i16 addrspace(1)* %in1) #1 {
114  %tid = call i32 @llvm.amdgcn.workitem.id.x()
115  %gep.out = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 %tid
116  %gep.in0 = getelementptr inbounds i16, i16 addrspace(1)* %in0, i32 %tid
117  %gep.in1 = getelementptr inbounds i16, i16 addrspace(1)* %in1, i32 %tid
118  %a = load i16, i16 addrspace(1)* %gep.in0
119  %b = load i16, i16 addrspace(1)* %gep.in1
120  %add = sub i16 %a, %b
121  %ext = sext i16 %add to i32
122  store i32 %ext, i32 addrspace(1)* %out
123  ret void
124}
125
126; FIXME: Need to handle non-uniform case for function below (load without gep).
127; GCN-LABEL: {{^}}v_test_sub_i16_sext_to_i64:
128; VI: flat_load_ushort [[A:v[0-9]+]]
129; VI: flat_load_ushort [[B:v[0-9]+]]
130; VI: v_sub_u16_e32 [[ADD:v[0-9]+]], [[B]], [[A]]
131; VI-NEXT: v_bfe_i32 v[[LO:[0-9]+]], [[ADD]], 0, 16
132; VI-NEXT: v_ashrrev_i32_e32 v[[HI:[0-9]+]], 31, v[[LO]]
133; VI-NEXT: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]{{\]}}
134define amdgpu_kernel void @v_test_sub_i16_sext_to_i64(i64 addrspace(1)* %out, i16 addrspace(1)* %in0, i16 addrspace(1)* %in1) #1 {
135  %tid = call i32 @llvm.amdgcn.workitem.id.x()
136  %gep.out = getelementptr inbounds i64, i64 addrspace(1)* %out, i32 %tid
137  %gep.in0 = getelementptr inbounds i16, i16 addrspace(1)* %in0, i32 %tid
138  %gep.in1 = getelementptr inbounds i16, i16 addrspace(1)* %in1, i32 %tid
139  %a = load i16, i16 addrspace(1)* %gep.in0
140  %b = load i16, i16 addrspace(1)* %gep.in1
141  %add = sub i16 %a, %b
142  %ext = sext i16 %add to i64
143  store i64 %ext, i64 addrspace(1)* %out
144  ret void
145}
146
147@lds = addrspace(3) global [512 x i32] undef, align 4
148
149; GCN-LABEL: {{^}}v_test_sub_i16_constant_commute:
150; VI: v_subrev_u16_e32 v{{[0-9]+}}, 0x800, v{{[0-9]+}}
151; CI: v_subrev_i32_e32 v{{[0-9]+}}, vcc, 0x800, v{{[0-9]+}}
152define amdgpu_kernel void @v_test_sub_i16_constant_commute(i16 addrspace(1)* %out, i16 addrspace(1)* %in0) #1 {
153  %size = call i32 @llvm.amdgcn.groupstaticsize()
154  %size.trunc = trunc i32 %size to i16
155  call void asm sideeffect "; $0", "v"([512 x i32] addrspace(3)* @lds)
156  %tid = call i32 @llvm.amdgcn.workitem.id.x()
157  %gep.out = getelementptr inbounds i16, i16 addrspace(1)* %out, i32 %tid
158  %gep.in0 = getelementptr inbounds i16, i16 addrspace(1)* %in0, i32 %tid
159  %a = load volatile i16, i16 addrspace(1)* %gep.in0
160  %add = sub i16 %a, %size.trunc
161  store i16 %add, i16 addrspace(1)* %out
162  ret void
163}
164
165declare i32 @llvm.amdgcn.workitem.id.x() #0
166declare i32 @llvm.amdgcn.groupstaticsize() #0
167
168attributes #0 = { nounwind readnone }
169attributes #1 = { nounwind }
170