1 ; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs -mattr=+load-store-opt < %s | FileCheck -enable-var-scope -strict-whitespace -check-prefixes=GCN,CI %s
2 ; RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs -mattr=+load-store-opt,+flat-for-global < %s | FileCheck -enable-var-scope -strict-whitespace -check-prefixes=GCN,GFX9 %s
4 ; FIXME: We don't get cases where the address was an SGPR because we
5 ; get a copy to the address register for each one.
7 @lds = addrspace(3) global [512 x float] undef, align 4
8 @lds.f64 = addrspace(3) global [512 x double] undef, align 8
10 ; GCN-LABEL: {{^}}simple_read2_f32:
11 ; CI-DAG: s_mov_b32 m0
14 ; GCN: ds_read2_b32 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}}, v{{[0-9]+}} offset1:8
15 ; GCN: s_waitcnt lgkmcnt(0)
16 ; GCN: v_add_f32_e32 [[RESULT:v[0-9]+]], v[[LO_VREG]], v[[HI_VREG]]
17 ; CI: buffer_store_dword [[RESULT]]
18 ; GFX9: global_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[RESULT]]
20 define amdgpu_kernel void @simple_read2_f32(float addrspace(1)* %out) #0 {
21 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
22 %arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %x.i
23 %val0 = load float, float addrspace(3)* %arrayidx0, align 4
24 %add.x = add nsw i32 %x.i, 8
25 %arrayidx1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %add.x
26 %val1 = load float, float addrspace(3)* %arrayidx1, align 4
27 %sum = fadd float %val0, %val1
28 %out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
29 store float %sum, float addrspace(1)* %out.gep, align 4
33 ; GCN-LABEL: {{^}}simple_read2_f32_max_offset:
34 ; CI-DAG: s_mov_b32 m0
37 ; GCN: ds_read2_b32 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}}, v{{[0-9]+}} offset1:255
38 ; GCN: s_waitcnt lgkmcnt(0)
39 ; GCN: v_add_f32_e32 [[RESULT:v[0-9]+]], v[[LO_VREG]], v[[HI_VREG]]
41 ; CI: buffer_store_dword [[RESULT]]
42 ; GFX9: global_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[RESULT]]
43 define amdgpu_kernel void @simple_read2_f32_max_offset(float addrspace(1)* %out) #0 {
44 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
45 %arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %x.i
46 %val0 = load float, float addrspace(3)* %arrayidx0, align 4
47 %add.x = add nsw i32 %x.i, 255
48 %arrayidx1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %add.x
49 %val1 = load float, float addrspace(3)* %arrayidx1, align 4
50 %sum = fadd float %val0, %val1
51 %out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
52 store float %sum, float addrspace(1)* %out.gep, align 4
56 ; GCN-LABEL: @simple_read2_f32_too_far
57 ; CI-DAG: s_mov_b32 m0
60 ; GCN-NOT ds_read2_b32
61 ; GCN: ds_read_b32 v{{[0-9]+}}, v{{[0-9]+}}
62 ; GCN: ds_read_b32 v{{[0-9]+}}, v{{[0-9]+}} offset:1028
64 define amdgpu_kernel void @simple_read2_f32_too_far(float addrspace(1)* %out) #0 {
65 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
66 %arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %x.i
67 %val0 = load float, float addrspace(3)* %arrayidx0, align 4
68 %add.x = add nsw i32 %x.i, 257
69 %arrayidx1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %add.x
70 %val1 = load float, float addrspace(3)* %arrayidx1, align 4
71 %sum = fadd float %val0, %val1
72 %out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
73 store float %sum, float addrspace(1)* %out.gep, align 4
77 ; GCN-LABEL: @simple_read2_f32_x2
78 ; CI-DAG: s_mov_b32 m0
81 ; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[BASEADDR:v[0-9]+]] offset1:8
82 ; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[BASEADDR]] offset0:11 offset1:27
84 define amdgpu_kernel void @simple_read2_f32_x2(float addrspace(1)* %out) #0 {
85 %tid.x = tail call i32 @llvm.amdgcn.workitem.id.x() #1
86 %idx.0 = add nsw i32 %tid.x, 0
87 %arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.0
88 %val0 = load float, float addrspace(3)* %arrayidx0, align 4
90 %idx.1 = add nsw i32 %tid.x, 8
91 %arrayidx1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.1
92 %val1 = load float, float addrspace(3)* %arrayidx1, align 4
93 %sum.0 = fadd float %val0, %val1
95 %idx.2 = add nsw i32 %tid.x, 11
96 %arrayidx2 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.2
97 %val2 = load float, float addrspace(3)* %arrayidx2, align 4
99 %idx.3 = add nsw i32 %tid.x, 27
100 %arrayidx3 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.3
101 %val3 = load float, float addrspace(3)* %arrayidx3, align 4
102 %sum.1 = fadd float %val2, %val3
104 %sum = fadd float %sum.0, %sum.1
105 %out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %idx.0
106 store float %sum, float addrspace(1)* %out.gep, align 4
110 ; Make sure there is an instruction between the two sets of reads.
111 ; GCN-LABEL: @simple_read2_f32_x2_barrier
112 ; CI-DAG: s_mov_b32 m0
115 ; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[BASEADDR:v[0-9]+]] offset1:8
117 ; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[BASEADDR]] offset0:11 offset1:27
119 define amdgpu_kernel void @simple_read2_f32_x2_barrier(float addrspace(1)* %out) #0 {
120 %tid.x = tail call i32 @llvm.amdgcn.workitem.id.x() #1
121 %idx.0 = add nsw i32 %tid.x, 0
122 %arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.0
123 %val0 = load float, float addrspace(3)* %arrayidx0, align 4
125 %idx.1 = add nsw i32 %tid.x, 8
126 %arrayidx1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.1
127 %val1 = load float, float addrspace(3)* %arrayidx1, align 4
128 %sum.0 = fadd float %val0, %val1
130 call void @llvm.amdgcn.s.barrier() #2
132 %idx.2 = add nsw i32 %tid.x, 11
133 %arrayidx2 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.2
134 %val2 = load float, float addrspace(3)* %arrayidx2, align 4
136 %idx.3 = add nsw i32 %tid.x, 27
137 %arrayidx3 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.3
138 %val3 = load float, float addrspace(3)* %arrayidx3, align 4
139 %sum.1 = fadd float %val2, %val3
141 %sum = fadd float %sum.0, %sum.1
142 %out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %idx.0
143 store float %sum, float addrspace(1)* %out.gep, align 4
147 ; For some reason adding something to the base address for the first
148 ; element results in only folding the inner pair.
150 ; GCN-LABEL: @simple_read2_f32_x2_nonzero_base
151 ; CI-DAG: s_mov_b32 m0
154 ; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[BASEADDR:v[0-9]+]] offset0:2 offset1:8
155 ; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[BASEADDR]] offset0:11 offset1:27
157 define amdgpu_kernel void @simple_read2_f32_x2_nonzero_base(float addrspace(1)* %out) #0 {
158 %tid.x = tail call i32 @llvm.amdgcn.workitem.id.x() #1
159 %idx.0 = add nsw i32 %tid.x, 2
160 %arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.0
161 %val0 = load float, float addrspace(3)* %arrayidx0, align 4
163 %idx.1 = add nsw i32 %tid.x, 8
164 %arrayidx1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.1
165 %val1 = load float, float addrspace(3)* %arrayidx1, align 4
166 %sum.0 = fadd float %val0, %val1
168 %idx.2 = add nsw i32 %tid.x, 11
169 %arrayidx2 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.2
170 %val2 = load float, float addrspace(3)* %arrayidx2, align 4
172 %idx.3 = add nsw i32 %tid.x, 27
173 %arrayidx3 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.3
174 %val3 = load float, float addrspace(3)* %arrayidx3, align 4
175 %sum.1 = fadd float %val2, %val3
177 %sum = fadd float %sum.0, %sum.1
178 %out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %idx.0
179 store float %sum, float addrspace(1)* %out.gep, align 4
183 ; Be careful of vectors of pointers. We don't know if the 2 pointers
184 ; in the vectors are really the same base, so this is not safe to
186 ; Base pointers come from different subregister of same super
187 ; register. We can't safely merge this.
189 ; GCN-LABEL: @read2_ptr_is_subreg_arg_f32
190 ; CI-DAG: s_mov_b32 m0
193 ; GCN-NOT: ds_read2_b32
197 define amdgpu_kernel void @read2_ptr_is_subreg_arg_f32(float addrspace(1)* %out, <2 x float addrspace(3)*> %lds.ptr) #0 {
198 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
199 %index.0 = insertelement <2 x i32> undef, i32 %x.i, i32 0
200 %index.1 = insertelement <2 x i32> %index.0, i32 8, i32 0
201 %gep = getelementptr inbounds float, <2 x float addrspace(3)*> %lds.ptr, <2 x i32> %index.1
202 %gep.0 = extractelement <2 x float addrspace(3)*> %gep, i32 0
203 %gep.1 = extractelement <2 x float addrspace(3)*> %gep, i32 1
204 %val0 = load float, float addrspace(3)* %gep.0, align 4
205 %val1 = load float, float addrspace(3)* %gep.1, align 4
206 %add.x = add nsw i32 %x.i, 8
207 %sum = fadd float %val0, %val1
208 %out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
209 store float %sum, float addrspace(1)* %out.gep, align 4
213 ; Apply a constant scalar offset after the pointer vector extract. We
214 ; are rejecting merges that have the same, constant 0 offset, so make
215 ; sure we are really rejecting it because of the different
218 ; GCN-LABEL: @read2_ptr_is_subreg_arg_offset_f32
219 ; CI-DAG: s_mov_b32 m0
222 ; GCN-NOT: ds_read2_b32
226 define amdgpu_kernel void @read2_ptr_is_subreg_arg_offset_f32(float addrspace(1)* %out, <2 x float addrspace(3)*> %lds.ptr) #0 {
227 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
228 %index.0 = insertelement <2 x i32> undef, i32 %x.i, i32 0
229 %index.1 = insertelement <2 x i32> %index.0, i32 8, i32 0
230 %gep = getelementptr inbounds float, <2 x float addrspace(3)*> %lds.ptr, <2 x i32> %index.1
231 %gep.0 = extractelement <2 x float addrspace(3)*> %gep, i32 0
232 %gep.1 = extractelement <2 x float addrspace(3)*> %gep, i32 1
234 ; Apply an additional offset after the vector that will be more obviously folded.
235 %gep.1.offset = getelementptr float, float addrspace(3)* %gep.1, i32 8
237 %val0 = load float, float addrspace(3)* %gep.0, align 4
238 %val1 = load float, float addrspace(3)* %gep.1.offset, align 4
239 %add.x = add nsw i32 %x.i, 8
240 %sum = fadd float %val0, %val1
241 %out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
242 store float %sum, float addrspace(1)* %out.gep, align 4
246 ; GCN-LABEL: {{^}}read2_ptr_is_subreg_f32:
247 ; CI-DAG: s_mov_b32 m0
250 ; GCN: ds_read2_b32 {{v\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}} offset1:8{{$}}
252 define amdgpu_kernel void @read2_ptr_is_subreg_f32(float addrspace(1)* %out) #0 {
253 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
254 %ptr.0 = insertelement <2 x [512 x float] addrspace(3)*> undef, [512 x float] addrspace(3)* @lds, i32 0
255 %ptr.1 = insertelement <2 x [512 x float] addrspace(3)*> %ptr.0, [512 x float] addrspace(3)* @lds, i32 1
256 %x.i.v.0 = insertelement <2 x i32> undef, i32 %x.i, i32 0
257 %x.i.v.1 = insertelement <2 x i32> %x.i.v.0, i32 %x.i, i32 1
258 %idx = add <2 x i32> %x.i.v.1, <i32 0, i32 8>
259 %gep = getelementptr inbounds [512 x float], <2 x [512 x float] addrspace(3)*> %ptr.1, <2 x i32> <i32 0, i32 0>, <2 x i32> %idx
260 %gep.0 = extractelement <2 x float addrspace(3)*> %gep, i32 0
261 %gep.1 = extractelement <2 x float addrspace(3)*> %gep, i32 1
262 %val0 = load float, float addrspace(3)* %gep.0, align 4
263 %val1 = load float, float addrspace(3)* %gep.1, align 4
264 %add.x = add nsw i32 %x.i, 8
265 %sum = fadd float %val0, %val1
266 %out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
267 store float %sum, float addrspace(1)* %out.gep, align 4
271 ; GCN-LABEL: @simple_read2_f32_volatile_0
272 ; CI-DAG: s_mov_b32 m0
275 ; GCN-NOT ds_read2_b32
276 ; GCN: ds_read_b32 v{{[0-9]+}}, v{{[0-9]+}}
277 ; GCN: ds_read_b32 v{{[0-9]+}}, v{{[0-9]+}} offset:32
279 define amdgpu_kernel void @simple_read2_f32_volatile_0(float addrspace(1)* %out) #0 {
280 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
281 %arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %x.i
282 %val0 = load volatile float, float addrspace(3)* %arrayidx0, align 4
283 %add.x = add nsw i32 %x.i, 8
284 %arrayidx1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %add.x
285 %val1 = load float, float addrspace(3)* %arrayidx1, align 4
286 %sum = fadd float %val0, %val1
287 %out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
288 store float %sum, float addrspace(1)* %out.gep, align 4
292 ; GCN-LABEL: @simple_read2_f32_volatile_1
293 ; CI-DAG: s_mov_b32 m0
296 ; GCN-NOT ds_read2_b32
297 ; GCN: ds_read_b32 v{{[0-9]+}}, v{{[0-9]+}}
298 ; GCN: ds_read_b32 v{{[0-9]+}}, v{{[0-9]+}} offset:32
300 define amdgpu_kernel void @simple_read2_f32_volatile_1(float addrspace(1)* %out) #0 {
301 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
302 %arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %x.i
303 %val0 = load float, float addrspace(3)* %arrayidx0, align 4
304 %add.x = add nsw i32 %x.i, 8
305 %arrayidx1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %add.x
306 %val1 = load volatile float, float addrspace(3)* %arrayidx1, align 4
307 %sum = fadd float %val0, %val1
308 %out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
309 store float %sum, float addrspace(1)* %out.gep, align 4
313 ; Can't fold since not correctly aligned.
314 ; XXX: This isn't really testing anything useful now. I think CI
315 ; allows unaligned LDS accesses, which would be a problem here.
316 ; GCN-LABEL: @unaligned_read2_f32
317 ; CI-DAG: s_mov_b32 m0
320 ; GCN-NOT: ds_read2_b32
322 define amdgpu_kernel void @unaligned_read2_f32(float addrspace(1)* %out, float addrspace(3)* %lds) #0 {
323 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
324 %arrayidx0 = getelementptr inbounds float, float addrspace(3)* %lds, i32 %x.i
325 %val0 = load float, float addrspace(3)* %arrayidx0, align 1
326 %add.x = add nsw i32 %x.i, 8
327 %arrayidx1 = getelementptr inbounds float, float addrspace(3)* %lds, i32 %add.x
328 %val1 = load float, float addrspace(3)* %arrayidx1, align 1
329 %sum = fadd float %val0, %val1
330 %out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
331 store float %sum, float addrspace(1)* %out.gep, align 4
335 ; GCN-LABEL: @misaligned_2_simple_read2_f32
336 ; CI-DAG: s_mov_b32 m0
339 ; GCN-NOT: ds_read2_b32
341 define amdgpu_kernel void @misaligned_2_simple_read2_f32(float addrspace(1)* %out, float addrspace(3)* %lds) #0 {
342 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
343 %arrayidx0 = getelementptr inbounds float, float addrspace(3)* %lds, i32 %x.i
344 %val0 = load float, float addrspace(3)* %arrayidx0, align 2
345 %add.x = add nsw i32 %x.i, 8
346 %arrayidx1 = getelementptr inbounds float, float addrspace(3)* %lds, i32 %add.x
347 %val1 = load float, float addrspace(3)* %arrayidx1, align 2
348 %sum = fadd float %val0, %val1
349 %out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
350 store float %sum, float addrspace(1)* %out.gep, align 4
354 ; GCN-LABEL: @simple_read2_f64
355 ; CI-DAG: s_mov_b32 m0
358 ; GCN-DAG: v_lshlrev_b32_e32 [[VPTR:v[0-9]+]], 3, {{v[0-9]+}}
359 ; GCN: ds_read2_b64 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}}, [[VPTR]] offset1:8
360 ; GCN: v_add_f64 [[RESULT:v\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO_VREG]]:{{[0-9]+\]}}, v{{\[[0-9]+}}:[[HI_VREG]]{{\]}}
362 ; CI: buffer_store_dwordx2 [[RESULT]]
363 ; GFX9: global_store_dwordx2 v{{\[[0-9]+:[0-9]+\]}}, [[RESULT]]
364 define amdgpu_kernel void @simple_read2_f64(double addrspace(1)* %out) #0 {
365 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
366 %arrayidx0 = getelementptr inbounds [512 x double], [512 x double] addrspace(3)* @lds.f64, i32 0, i32 %x.i
367 %val0 = load double, double addrspace(3)* %arrayidx0, align 8
368 %add.x = add nsw i32 %x.i, 8
369 %arrayidx1 = getelementptr inbounds [512 x double], [512 x double] addrspace(3)* @lds.f64, i32 0, i32 %add.x
370 %val1 = load double, double addrspace(3)* %arrayidx1, align 8
371 %sum = fadd double %val0, %val1
372 %out.gep = getelementptr inbounds double, double addrspace(1)* %out, i32 %x.i
373 store double %sum, double addrspace(1)* %out.gep, align 8
377 ; GCN-LABEL: @simple_read2_f64_max_offset
378 ; CI-DAG: s_mov_b32 m0
381 ; GCN: ds_read2_b64 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}} offset1:255
383 define amdgpu_kernel void @simple_read2_f64_max_offset(double addrspace(1)* %out) #0 {
384 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
385 %arrayidx0 = getelementptr inbounds [512 x double], [512 x double] addrspace(3)* @lds.f64, i32 0, i32 %x.i
386 %val0 = load double, double addrspace(3)* %arrayidx0, align 8
387 %add.x = add nsw i32 %x.i, 255
388 %arrayidx1 = getelementptr inbounds [512 x double], [512 x double] addrspace(3)* @lds.f64, i32 0, i32 %add.x
389 %val1 = load double, double addrspace(3)* %arrayidx1, align 8
390 %sum = fadd double %val0, %val1
391 %out.gep = getelementptr inbounds double, double addrspace(1)* %out, i32 %x.i
392 store double %sum, double addrspace(1)* %out.gep, align 8
396 ; GCN-LABEL: @simple_read2_f64_too_far
397 ; CI-DAG: s_mov_b32 m0
400 ; GCN-NOT ds_read2_b64
401 ; GCN: ds_read_b64 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}
402 ; GCN: ds_read_b64 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}} offset:2056
404 define amdgpu_kernel void @simple_read2_f64_too_far(double addrspace(1)* %out) #0 {
405 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
406 %arrayidx0 = getelementptr inbounds [512 x double], [512 x double] addrspace(3)* @lds.f64, i32 0, i32 %x.i
407 %val0 = load double, double addrspace(3)* %arrayidx0, align 8
408 %add.x = add nsw i32 %x.i, 257
409 %arrayidx1 = getelementptr inbounds [512 x double], [512 x double] addrspace(3)* @lds.f64, i32 0, i32 %add.x
410 %val1 = load double, double addrspace(3)* %arrayidx1, align 8
411 %sum = fadd double %val0, %val1
412 %out.gep = getelementptr inbounds double, double addrspace(1)* %out, i32 %x.i
413 store double %sum, double addrspace(1)* %out.gep, align 8
418 ; GCN-LABEL: @misaligned_read2_f64
419 ; CI-DAG: s_mov_b32 m0
422 ; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}} offset1:1
423 ; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}} offset0:14 offset1:15
425 define amdgpu_kernel void @misaligned_read2_f64(double addrspace(1)* %out, double addrspace(3)* %lds) #0 {
426 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
427 %arrayidx0 = getelementptr inbounds double, double addrspace(3)* %lds, i32 %x.i
428 %val0 = load double, double addrspace(3)* %arrayidx0, align 4
429 %add.x = add nsw i32 %x.i, 7
430 %arrayidx1 = getelementptr inbounds double, double addrspace(3)* %lds, i32 %add.x
431 %val1 = load double, double addrspace(3)* %arrayidx1, align 4
432 %sum = fadd double %val0, %val1
433 %out.gep = getelementptr inbounds double, double addrspace(1)* %out, i32 %x.i
434 store double %sum, double addrspace(1)* %out.gep, align 4
438 @foo = addrspace(3) global [4 x i32] undef, align 4
440 ; GCN-LABEL: @load_constant_adjacent_offsets
441 ; CI-DAG: s_mov_b32 m0
444 ; GCN-DAG: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0{{$}}
445 ; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]] offset1:1
446 define amdgpu_kernel void @load_constant_adjacent_offsets(i32 addrspace(1)* %out) {
447 %val0 = load i32, i32 addrspace(3)* getelementptr inbounds ([4 x i32], [4 x i32] addrspace(3)* @foo, i32 0, i32 0), align 4
448 %val1 = load i32, i32 addrspace(3)* getelementptr inbounds ([4 x i32], [4 x i32] addrspace(3)* @foo, i32 0, i32 1), align 4
449 %sum = add i32 %val0, %val1
450 store i32 %sum, i32 addrspace(1)* %out, align 4
454 ; GCN-LABEL: @load_constant_disjoint_offsets
455 ; CI-DAG: s_mov_b32 m0
458 ; GCN-DAG: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0{{$}}
459 ; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]] offset1:2
460 define amdgpu_kernel void @load_constant_disjoint_offsets(i32 addrspace(1)* %out) {
461 %val0 = load i32, i32 addrspace(3)* getelementptr inbounds ([4 x i32], [4 x i32] addrspace(3)* @foo, i32 0, i32 0), align 4
462 %val1 = load i32, i32 addrspace(3)* getelementptr inbounds ([4 x i32], [4 x i32] addrspace(3)* @foo, i32 0, i32 2), align 4
463 %sum = add i32 %val0, %val1
464 store i32 %sum, i32 addrspace(1)* %out, align 4
468 @bar = addrspace(3) global [4 x i64] undef, align 4
470 ; GCN-LABEL: @load_misaligned64_constant_offsets
471 ; CI-DAG: s_mov_b32 m0
474 ; GCN-DAG: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0{{$}}
475 ; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]] offset1:1
476 ; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]] offset0:2 offset1:3
477 define amdgpu_kernel void @load_misaligned64_constant_offsets(i64 addrspace(1)* %out) {
478 %val0 = load i64, i64 addrspace(3)* getelementptr inbounds ([4 x i64], [4 x i64] addrspace(3)* @bar, i32 0, i32 0), align 4
479 %val1 = load i64, i64 addrspace(3)* getelementptr inbounds ([4 x i64], [4 x i64] addrspace(3)* @bar, i32 0, i32 1), align 4
480 %sum = add i64 %val0, %val1
481 store i64 %sum, i64 addrspace(1)* %out, align 8
485 @bar.large = addrspace(3) global [4096 x i64] undef, align 4
487 ; GCN-LABEL: @load_misaligned64_constant_large_offsets
488 ; CI-DAG: s_mov_b32 m0
491 ; GCN-DAG: v_mov_b32_e32 [[BASE0:v[0-9]+]], 0x7ff8{{$}}
492 ; GCN-DAG: v_mov_b32_e32 [[BASE1:v[0-9]+]], 0x4000
493 ; GCN-DAG: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[BASE0]] offset1:1
494 ; GCN-DAG: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[BASE1]] offset1:1
496 define amdgpu_kernel void @load_misaligned64_constant_large_offsets(i64 addrspace(1)* %out) {
497 %val0 = load i64, i64 addrspace(3)* getelementptr inbounds ([4096 x i64], [4096 x i64] addrspace(3)* @bar.large, i32 0, i32 2048), align 4
498 %val1 = load i64, i64 addrspace(3)* getelementptr inbounds ([4096 x i64], [4096 x i64] addrspace(3)* @bar.large, i32 0, i32 4095), align 4
499 %sum = add i64 %val0, %val1
500 store i64 %sum, i64 addrspace(1)* %out, align 8
504 @sgemm.lA = internal unnamed_addr addrspace(3) global [264 x float] undef, align 4
505 @sgemm.lB = internal unnamed_addr addrspace(3) global [776 x float] undef, align 4
507 ; GCN-LABEL: {{^}}sgemm_inner_loop_read2_sequence:
508 ; CI-DAG: s_mov_b32 m0
511 define amdgpu_kernel void @sgemm_inner_loop_read2_sequence(float addrspace(1)* %C, i32 %lda, i32 %ldb) #0 {
512 %x.i = tail call i32 @llvm.amdgcn.workgroup.id.x() #1
513 %y.i = tail call i32 @llvm.amdgcn.workitem.id.y() #1
514 %arrayidx44 = getelementptr inbounds [264 x float], [264 x float] addrspace(3)* @sgemm.lA, i32 0, i32 %x.i
515 %tmp16 = load float, float addrspace(3)* %arrayidx44, align 4
516 %add47 = add nsw i32 %x.i, 1
517 %arrayidx48 = getelementptr inbounds [264 x float], [264 x float] addrspace(3)* @sgemm.lA, i32 0, i32 %add47
518 %tmp17 = load float, float addrspace(3)* %arrayidx48, align 4
519 %add51 = add nsw i32 %x.i, 16
520 %arrayidx52 = getelementptr inbounds [264 x float], [264 x float] addrspace(3)* @sgemm.lA, i32 0, i32 %add51
521 %tmp18 = load float, float addrspace(3)* %arrayidx52, align 4
522 %add55 = add nsw i32 %x.i, 17
523 %arrayidx56 = getelementptr inbounds [264 x float], [264 x float] addrspace(3)* @sgemm.lA, i32 0, i32 %add55
524 %tmp19 = load float, float addrspace(3)* %arrayidx56, align 4
525 %arrayidx60 = getelementptr inbounds [776 x float], [776 x float] addrspace(3)* @sgemm.lB, i32 0, i32 %y.i
526 %tmp20 = load float, float addrspace(3)* %arrayidx60, align 4
527 %add63 = add nsw i32 %y.i, 1
528 %arrayidx64 = getelementptr inbounds [776 x float], [776 x float] addrspace(3)* @sgemm.lB, i32 0, i32 %add63
529 %tmp21 = load float, float addrspace(3)* %arrayidx64, align 4
530 %add67 = add nsw i32 %y.i, 32
531 %arrayidx68 = getelementptr inbounds [776 x float], [776 x float] addrspace(3)* @sgemm.lB, i32 0, i32 %add67
532 %tmp22 = load float, float addrspace(3)* %arrayidx68, align 4
533 %add71 = add nsw i32 %y.i, 33
534 %arrayidx72 = getelementptr inbounds [776 x float], [776 x float] addrspace(3)* @sgemm.lB, i32 0, i32 %add71
535 %tmp23 = load float, float addrspace(3)* %arrayidx72, align 4
536 %add75 = add nsw i32 %y.i, 64
537 %arrayidx76 = getelementptr inbounds [776 x float], [776 x float] addrspace(3)* @sgemm.lB, i32 0, i32 %add75
538 %tmp24 = load float, float addrspace(3)* %arrayidx76, align 4
539 %add79 = add nsw i32 %y.i, 65
540 %arrayidx80 = getelementptr inbounds [776 x float], [776 x float] addrspace(3)* @sgemm.lB, i32 0, i32 %add79
541 %tmp25 = load float, float addrspace(3)* %arrayidx80, align 4
542 %sum.0 = fadd float %tmp16, %tmp17
543 %sum.1 = fadd float %sum.0, %tmp18
544 %sum.2 = fadd float %sum.1, %tmp19
545 %sum.3 = fadd float %sum.2, %tmp20
546 %sum.4 = fadd float %sum.3, %tmp21
547 %sum.5 = fadd float %sum.4, %tmp22
548 %sum.6 = fadd float %sum.5, %tmp23
549 %sum.7 = fadd float %sum.6, %tmp24
550 %sum.8 = fadd float %sum.7, %tmp25
551 store float %sum.8, float addrspace(1)* %C, align 4
555 ; GCN-LABEL: {{^}}misaligned_read2_v2i32:
556 ; CI-DAG: s_mov_b32 m0
558 define amdgpu_kernel void @misaligned_read2_v2i32(<2 x i32> addrspace(1)* %out, <2 x i32> addrspace(3)* %in) #0 {
559 %load = load <2 x i32>, <2 x i32> addrspace(3)* %in, align 4
560 store <2 x i32> %load, <2 x i32> addrspace(1)* %out, align 8
564 ; GCN-LABEL: {{^}}misaligned_read2_i64:
565 ; CI-DAG: s_mov_b32 m0
567 define amdgpu_kernel void @misaligned_read2_i64(i64 addrspace(1)* %out, i64 addrspace(3)* %in) #0 {
568 %load = load i64, i64 addrspace(3)* %in, align 4
569 store i64 %load, i64 addrspace(1)* %out, align 8
573 ; GCN-LABEL: ds_read_diff_base_interleaving
574 ; CI-DAG: s_mov_b32 m0
577 ; GCN-NOT: ds_read_b32
578 define amdgpu_kernel void @ds_read_diff_base_interleaving(
579 float addrspace(1)* nocapture %arg,
580 [4 x [4 x float]] addrspace(3)* %arg1,
581 [4 x [4 x float]] addrspace(3)* %arg2,
582 [4 x [4 x float]] addrspace(3)* %arg3,
583 [4 x [4 x float]] addrspace(3)* %arg4) #1 {
585 %tmp = getelementptr float, float addrspace(1)* %arg, i64 10
586 %tmp5 = tail call i32 @llvm.amdgcn.workitem.id.x() #2
587 %tmp6 = tail call i32 @llvm.amdgcn.workitem.id.y() #2
588 %tmp7 = getelementptr [4 x [4 x float]], [4 x [4 x float]] addrspace(3)* %arg1, i32 0, i32 %tmp6, i32 0
589 %tmp8 = getelementptr [4 x [4 x float]], [4 x [4 x float]] addrspace(3)* %arg2, i32 0, i32 0, i32 %tmp5
590 %tmp9 = getelementptr [4 x [4 x float]], [4 x [4 x float]] addrspace(3)* %arg3, i32 0, i32 %tmp6, i32 0
591 %tmp10 = getelementptr [4 x [4 x float]], [4 x [4 x float]] addrspace(3)* %arg4, i32 0, i32 0, i32 %tmp5
592 %tmp11 = getelementptr [4 x [4 x float]], [4 x [4 x float]] addrspace(3)* %arg1, i32 0, i32 %tmp6, i32 1
593 %tmp12 = getelementptr [4 x [4 x float]], [4 x [4 x float]] addrspace(3)* %arg2, i32 0, i32 1, i32 %tmp5
594 %tmp13 = getelementptr [4 x [4 x float]], [4 x [4 x float]] addrspace(3)* %arg3, i32 0, i32 %tmp6, i32 1
595 %tmp14 = getelementptr [4 x [4 x float]], [4 x [4 x float]] addrspace(3)* %arg4, i32 0, i32 1, i32 %tmp5
596 %tmp15 = load float, float addrspace(3)* %tmp7
597 %tmp16 = load float, float addrspace(3)* %tmp8
598 %tmp17 = fmul float %tmp15, %tmp16
599 %tmp18 = fadd float 2.000000e+00, %tmp17
600 %tmp19 = load float, float addrspace(3)* %tmp9
601 %tmp20 = load float, float addrspace(3)* %tmp10
602 %tmp21 = fmul float %tmp19, %tmp20
603 %tmp22 = fsub float %tmp18, %tmp21
604 %tmp23 = load float, float addrspace(3)* %tmp11
605 %tmp24 = load float, float addrspace(3)* %tmp12
606 %tmp25 = fmul float %tmp23, %tmp24
607 %tmp26 = fsub float %tmp22, %tmp25
608 %tmp27 = load float, float addrspace(3)* %tmp13
609 %tmp28 = load float, float addrspace(3)* %tmp14
610 %tmp29 = fmul float %tmp27, %tmp28
611 %tmp30 = fsub float %tmp26, %tmp29
612 store float %tmp30, float addrspace(1)* %tmp
616 ; GCN-LABEL: ds_read_call_read:
620 define amdgpu_kernel void @ds_read_call_read(i32 addrspace(1)* %out, i32 addrspace(3)* %arg) {
621 %x = call i32 @llvm.amdgcn.workitem.id.x()
622 %arrayidx0 = getelementptr i32, i32 addrspace(3)* %arg, i32 %x
623 %arrayidx1 = getelementptr i32, i32 addrspace(3)* %arrayidx0, i32 1
624 %v0 = load i32, i32 addrspace(3)* %arrayidx0, align 4
625 call void @void_func_void()
626 %v1 = load i32, i32 addrspace(3)* %arrayidx1, align 4
627 %r = add i32 %v0, %v1
628 store i32 %r, i32 addrspace(1)* %out, align 4
632 ; GCN-LABEL: {{^}}ds_read_interp_read:
633 ; CI: s_mov_b32 m0, -1
635 ; CI: s_mov_b32 m0, s0
636 ; CI: v_interp_mov_f32
637 ; CI: s_mov_b32 m0, -1
639 ; GFX9: ds_read2_b32 v[0:1], v0 offset1:4
640 ; GFX9: s_mov_b32 m0, s0
641 ; GFX9: v_interp_mov_f32
642 define amdgpu_ps <2 x float> @ds_read_interp_read(i32 inreg %prims, float addrspace(3)* %inptr) {
643 %v0 = load float, float addrspace(3)* %inptr, align 4
644 %intrp = call float @llvm.amdgcn.interp.mov(i32 0, i32 0, i32 0, i32 %prims)
645 %ptr1 = getelementptr float, float addrspace(3)* %inptr, i32 4
646 %v1 = load float, float addrspace(3)* %ptr1, align 4
647 %v1b = fadd float %v1, %intrp
648 %r0 = insertelement <2 x float> undef, float %v0, i32 0
649 %r1 = insertelement <2 x float> %r0, float %v1b, i32 1
653 declare void @void_func_void() #3
655 declare i32 @llvm.amdgcn.workgroup.id.x() #1
656 declare i32 @llvm.amdgcn.workgroup.id.y() #1
657 declare i32 @llvm.amdgcn.workitem.id.x() #1
658 declare i32 @llvm.amdgcn.workitem.id.y() #1
660 declare float @llvm.amdgcn.interp.mov(i32, i32, i32, i32) nounwind readnone
662 declare void @llvm.amdgcn.s.barrier() #2
664 attributes #0 = { nounwind }
665 attributes #1 = { nounwind readnone speculatable }
666 attributes #2 = { convergent nounwind }
667 attributes #3 = { nounwind noinline }