1 ; RUN: llc -march=amdgcn -mtriple=amdgcn-- -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
2 ; RUN: llc -march=amdgcn -mtriple=amdgcn-- -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
4 ; GCN-LABEL: {{^}}extract_vector_elt_v2f16:
5 ; GCN: s_load_dword [[VEC:s[0-9]+]]
6 ; GCN: s_lshr_b32 [[ELT1:s[0-9]+]], [[VEC]], 16
7 ; GCN-DAG: v_mov_b32_e32 [[VELT0:v[0-9]+]], [[VEC]]
8 ; GCN-DAG: v_mov_b32_e32 [[VELT1:v[0-9]+]], [[ELT1]]
9 ; GCN-DAG: buffer_store_short [[VELT0]]
10 ; GCN-DAG: buffer_store_short [[VELT1]]
11 define amdgpu_kernel void @extract_vector_elt_v2f16(half addrspace(1)* %out, <2 x half> addrspace(4)* %vec.ptr) #0 {
12 %vec = load <2 x half>, <2 x half> addrspace(4)* %vec.ptr
13 %p0 = extractelement <2 x half> %vec, i32 0
14 %p1 = extractelement <2 x half> %vec, i32 1
15 %out1 = getelementptr half, half addrspace(1)* %out, i32 10
16 store half %p1, half addrspace(1)* %out, align 2
17 store half %p0, half addrspace(1)* %out1, align 2
21 ; GCN-LABEL: {{^}}extract_vector_elt_v2f16_dynamic_sgpr:
22 ; GCN: s_load_dword [[IDX:s[0-9]+]]
23 ; GCN: s_load_dword [[VEC:s[0-9]+]]
24 ; GCN: s_lshl_b32 [[IDX_SCALED:s[0-9]+]], [[IDX]], 4
25 ; GCN: s_lshr_b32 [[ELT1:s[0-9]+]], [[VEC]], [[IDX_SCALED]]
26 ; GCN: v_mov_b32_e32 [[VELT1:v[0-9]+]], [[ELT1]]
27 ; GCN: buffer_store_short [[VELT1]]
29 define amdgpu_kernel void @extract_vector_elt_v2f16_dynamic_sgpr(half addrspace(1)* %out, <2 x half> addrspace(4)* %vec.ptr, i32 %idx) #0 {
30 %vec = load <2 x half>, <2 x half> addrspace(4)* %vec.ptr
31 %elt = extractelement <2 x half> %vec, i32 %idx
32 store half %elt, half addrspace(1)* %out, align 2
36 ; GCN-LABEL: {{^}}extract_vector_elt_v2f16_dynamic_vgpr:
37 ; GCN-DAG: s_load_dword [[VEC:s[0-9]+]]
38 ; GCN-DAG: {{flat|buffer}}_load_dword [[IDX:v[0-9]+]]
39 ; GCN: v_lshlrev_b32_e32 [[IDX_SCALED:v[0-9]+]], 4, [[IDX]]
41 ; SI: v_lshr_b32_e32 [[ELT:v[0-9]+]], [[VEC]], [[IDX_SCALED]]
42 ; VI: v_lshrrev_b32_e64 [[ELT:v[0-9]+]], [[IDX_SCALED]], [[VEC]]
45 ; SI: buffer_store_short [[ELT]]
46 ; VI: flat_store_short v{{\[[0-9]+:[0-9]+\]}}, [[ELT]]
47 ; GCN: ScratchSize: 0{{$}}
48 define amdgpu_kernel void @extract_vector_elt_v2f16_dynamic_vgpr(half addrspace(1)* %out, <2 x half> addrspace(4)* %vec.ptr, i32 addrspace(1)* %idx.ptr) #0 {
49 %tid = call i32 @llvm.amdgcn.workitem.id.x()
50 %tid.ext = sext i32 %tid to i64
51 %gep = getelementptr inbounds i32, i32 addrspace(1)* %idx.ptr, i64 %tid.ext
52 %out.gep = getelementptr inbounds half, half addrspace(1)* %out, i64 %tid.ext
53 %vec = load <2 x half>, <2 x half> addrspace(4)* %vec.ptr
54 %idx = load i32, i32 addrspace(1)* %gep
55 %elt = extractelement <2 x half> %vec, i32 %idx
56 store half %elt, half addrspace(1)* %out.gep, align 2
60 ; GCN-LABEL: {{^}}extract_vector_elt_v3f16:
64 ; GCN: buffer_store_short
65 ; GCN: buffer_store_short
66 define amdgpu_kernel void @extract_vector_elt_v3f16(half addrspace(1)* %out, <3 x half> %foo) #0 {
67 %p0 = extractelement <3 x half> %foo, i32 0
68 %p1 = extractelement <3 x half> %foo, i32 2
69 %out1 = getelementptr half, half addrspace(1)* %out, i32 1
70 store half %p1, half addrspace(1)* %out, align 2
71 store half %p0, half addrspace(1)* %out1, align 2
75 ; FIXME: Why sometimes vector shift?
76 ; GCN-LABEL: {{^}}dynamic_extract_vector_elt_v3f16:
78 ; SI: s_load_dwordx2 s
79 ; SI: s_load_dwordx2 s
81 ; GFX89: s_load_dwordx2 s
82 ; GFX89: s_load_dwordx2 s
83 ; GFX89: s_load_dword s
86 ; GCN-DAG: s_lshl_b32 s{{[0-9]+}}, s{{[0-9]+}}, 4
87 ; GCN: s_lshr_b64 s{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}}
89 ; GCN: {{buffer|global}}_store_short
90 define amdgpu_kernel void @dynamic_extract_vector_elt_v3f16(half addrspace(1)* %out, <3 x half> %foo, i32 %idx) #0 {
91 %p0 = extractelement <3 x half> %foo, i32 %idx
92 %out1 = getelementptr half, half addrspace(1)* %out, i32 1
93 store half %p0, half addrspace(1)* %out
97 ; GCN-LABEL: {{^}}v_extractelement_v4f16_2:
98 ; SI: buffer_load_dword [[LOAD:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
99 ; SI: buffer_store_short [[LOAD]]
101 ; VI: flat_load_dword v
102 ; VI: flat_store_short
104 ; GFX9: global_load_dword [[LOAD:v[0-9]+]], v{{\[[0-9]+:[0-9]+\]}}, off offset:4
105 ; GFX9: global_store_short_d16_hi v{{\[[0-9]+:[0-9]+\]}}, [[LOAD]]
106 define amdgpu_kernel void @v_extractelement_v4f16_2(half addrspace(1)* %out, <4 x half> addrspace(1)* %in) #0 {
107 %tid = call i32 @llvm.amdgcn.workitem.id.x() #1
108 %tid.ext = sext i32 %tid to i64
109 %in.gep = getelementptr inbounds <4 x half>, <4 x half> addrspace(1)* %in, i64 %tid.ext
110 %out.gep = getelementptr inbounds half, half addrspace(1)* %out, i64 %tid.ext
111 %vec = load <4 x half>, <4 x half> addrspace(1)* %in.gep
112 %vec.extract = extractelement <4 x half> %vec, i32 2
113 store half %vec.extract, half addrspace(1)* %out.gep
117 ; GCN-LABEL: {{^}}v_insertelement_v4f16_dynamic_vgpr:
118 ; GCN-DAG: {{flat|global|buffer}}_load_dword [[IDX:v[0-9]+]],
119 ; GCN-DAG: {{flat|global|buffer}}_load_dwordx2 v{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]{{\]}}
120 ; GCN-DAG: v_lshlrev_b32_e32 [[SCALED_IDX:v[0-9]+]], 4, [[IDX]]
122 ; GFX89: v_lshrrev_b64 v{{\[}}[[SHIFT_LO:[0-9]+]]:[[SHIFT_HI:[0-9]+]]{{\]}}, [[SCALED_IDX]], v{{\[}}[[LO]]:[[HI]]{{\]}}
123 ; GFX89: {{flat|global}}_store_short v{{\[[0-9]+:[0-9]+\]}}, v[[SHIFT_LO]]
125 ; SI: v_lshr_b64 v{{\[}}[[SHIFT_LO:[0-9]+]]:[[SHIFT_HI:[0-9]+]]{{\]}}, v{{\[}}[[LO]]:[[HI]]{{\]}}, [[SCALED_IDX]]
126 ; SI: buffer_store_short v[[SHIFT_LO]]
127 define amdgpu_kernel void @v_insertelement_v4f16_dynamic_vgpr(half addrspace(1)* %out, <4 x half> addrspace(1)* %in) #0 {
128 %tid = call i32 @llvm.amdgcn.workitem.id.x() #1
129 %tid.ext = sext i32 %tid to i64
130 %in.gep = getelementptr inbounds <4 x half>, <4 x half> addrspace(1)* %in, i64 %tid.ext
131 %out.gep = getelementptr inbounds half, half addrspace(1)* %out, i64 %tid.ext
132 %idx.val = load volatile i32, i32 addrspace(1)* undef
133 %vec = load <4 x half>, <4 x half> addrspace(1)* %in.gep
134 %vec.extract = extractelement <4 x half> %vec, i32 %idx.val
135 store half %vec.extract, half addrspace(1)* %out.gep
139 ; GCN-LABEL: {{^}}reduce_load_vector_v8f16_extract_01:
140 ; GCN: s_load_dwordx2 [[PTR:s\[[0-9]+:[0-9]+\]]],
141 ; GCN-NOT: {{s|buffer|flat|global}}_load_
142 ; GCN: s_load_dword s{{[0-9]+}}, [[PTR]], 0x0
143 ; GCN-NOT: {{s|buffer|flat|global}}_load_
144 ; GCN: s_lshr_b32 s{{[0-9]+}}, s{{[0-9]+}}, 16
145 define amdgpu_kernel void @reduce_load_vector_v8f16_extract_01(<16 x half> addrspace(4)* %ptr) #0 {
146 %load = load <16 x half>, <16 x half> addrspace(4)* %ptr
147 %elt0 = extractelement <16 x half> %load, i32 0
148 %elt1 = extractelement <16 x half> %load, i32 1
149 store volatile half %elt0, half addrspace(1)* undef, align 2
150 store volatile half %elt1, half addrspace(1)* undef, align 2
154 ; GCN-LABEL: {{^}}reduce_load_vector_v8f16_extract_23:
155 ; GCN: s_load_dwordx2 [[PTR:s\[[0-9]+:[0-9]+\]]],
156 ; GCN-NOT: {{s|buffer|flat|global}}_load_
157 ; GCN: s_load_dword s{{[0-9]+}}, [[PTR]], {{0x1|0x4}}
158 ; GCN-NOT: {{s|buffer|flat|global}}_load_
159 ; GCN: s_lshr_b32 s{{[0-9]+}}, s{{[0-9]+}}, 16
160 define amdgpu_kernel void @reduce_load_vector_v8f16_extract_23(<16 x half> addrspace(4)* %ptr) #0 {
161 %load = load <16 x half>, <16 x half> addrspace(4)* %ptr
162 %elt2 = extractelement <16 x half> %load, i32 2
163 %elt3 = extractelement <16 x half> %load, i32 3
164 store volatile half %elt2, half addrspace(1)* undef, align 2
165 store volatile half %elt3, half addrspace(1)* undef, align 2
169 declare i32 @llvm.amdgcn.workitem.id.x() #1
171 attributes #0 = { nounwind }
172 attributes #1 = { nounwind readnone }