1 ; RUN: llc -mtriple=amdgcn -mcpu=bonaire -verify-machineinstrs -mattr=+load-store-opt,-enable-ds128 < %s | FileCheck --check-prefix=CI %s
3 @lds = addrspace(3) global [512 x float] undef, align 4
4 @lds.v2 = addrspace(3) global [512 x <2 x float>] undef, align 4
5 @lds.v3 = addrspace(3) global [512 x <3 x float>] undef, align 4
6 @lds.v4 = addrspace(3) global [512 x <4 x float>] undef, align 4
7 @lds.v8 = addrspace(3) global [512 x <8 x float>] undef, align 4
8 @lds.v16 = addrspace(3) global [512 x <16 x float>] undef, align 4
10 ; CI-LABEL: {{^}}simple_read2_v2f32_superreg_align4:
11 ; CI: ds_read2_b32 [[RESULT:v\[[0-9]+:[0-9]+\]]], v{{[0-9]+}} offset1:1{{$}}
12 ; CI: s_waitcnt lgkmcnt(0)
13 ; CI: buffer_store_dwordx2 [[RESULT]]
15 define amdgpu_kernel void @simple_read2_v2f32_superreg_align4(ptr addrspace(1) %out) #0 {
16 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
17 %arrayidx0 = getelementptr inbounds [512 x <2 x float>], ptr addrspace(3) @lds.v2, i32 0, i32 %x.i
18 %val0 = load <2 x float>, ptr addrspace(3) %arrayidx0, align 4
19 %out.gep = getelementptr inbounds <2 x float>, ptr addrspace(1) %out, i32 %x.i
20 store <2 x float> %val0, ptr addrspace(1) %out.gep
24 ; CI-LABEL: {{^}}simple_read2_v2f32_superreg:
25 ; CI: ds_read_b64 [[RESULT:v\[[0-9]+:[0-9]+\]]], v{{[0-9]+}}{{$}}
26 ; CI: s_waitcnt lgkmcnt(0)
27 ; CI: buffer_store_dwordx2 [[RESULT]]
29 define amdgpu_kernel void @simple_read2_v2f32_superreg(ptr addrspace(1) %out) #0 {
30 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
31 %arrayidx0 = getelementptr inbounds [512 x <2 x float>], ptr addrspace(3) @lds.v2, i32 0, i32 %x.i
32 %val0 = load <2 x float>, ptr addrspace(3) %arrayidx0
33 %out.gep = getelementptr inbounds <2 x float>, ptr addrspace(1) %out, i32 %x.i
34 store <2 x float> %val0, ptr addrspace(1) %out.gep
38 ; CI-LABEL: {{^}}simple_read2_v4f32_superreg_align4:
39 ; CI-DAG: ds_read2_b32 v[[[REG_X:[0-9]+]]:[[REG_Y:[0-9]+]]], v{{[0-9]+}} offset1:1{{$}}
40 ; CI-DAG: ds_read2_b32 v[[[REG_Z:[0-9]+]]:[[REG_W:[0-9]+]]], v{{[0-9]+}} offset0:2 offset1:3{{$}}
41 ; CI-DAG: v_add_f32_e32 v[[ADD0:[0-9]+]], v[[REG_X]], v[[REG_Z]]
42 ; CI-DAG: v_add_f32_e32 v[[ADD1:[0-9]+]], v[[REG_Y]], v[[REG_W]]
43 ; CI: v_add_f32_e32 v[[ADD2:[0-9]+]], v[[ADD0]], v[[ADD1]]
44 ; CI: buffer_store_dword v[[ADD2]]
46 define amdgpu_kernel void @simple_read2_v4f32_superreg_align4(ptr addrspace(1) %out) #0 {
47 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
48 %arrayidx0 = getelementptr inbounds [512 x <4 x float>], ptr addrspace(3) @lds.v4, i32 0, i32 %x.i
49 %val0 = load <4 x float>, ptr addrspace(3) %arrayidx0, align 4
50 %elt0 = extractelement <4 x float> %val0, i32 0
51 %elt1 = extractelement <4 x float> %val0, i32 1
52 %elt2 = extractelement <4 x float> %val0, i32 2
53 %elt3 = extractelement <4 x float> %val0, i32 3
55 %add0 = fadd float %elt0, %elt2
56 %add1 = fadd float %elt1, %elt3
57 %add2 = fadd float %add0, %add1
59 %out.gep = getelementptr inbounds float, ptr addrspace(1) %out, i32 %x.i
60 store float %add2, ptr addrspace(1) %out.gep
64 ; CI-LABEL: {{^}}simple_read2_v3f32_superreg_align4:
65 ; CI-DAG: ds_read2_b32 v[[[REG_X:[0-9]+]]:[[REG_Y:[0-9]+]]], v{{[0-9]+}} offset1:1{{$}}
66 ; CI-DAG: ds_read_b32 v[[REG_Z:[0-9]+]], v{{[0-9]+}} offset:8{{$}}
67 ; CI-DAG: v_add_f32_e32 v[[ADD0:[0-9]+]], v[[REG_X]], v[[REG_Z]]
68 ; CI-DAG: v_add_f32_e32 v[[ADD1:[0-9]+]], v[[ADD0]], v[[REG_Y]]
69 ; CI: buffer_store_dword v[[ADD1]]
71 define amdgpu_kernel void @simple_read2_v3f32_superreg_align4(ptr addrspace(1) %out) #0 {
72 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
73 %arrayidx0 = getelementptr inbounds [512 x <3 x float>], ptr addrspace(3) @lds.v3, i32 0, i32 %x.i
74 %val0 = load <3 x float>, ptr addrspace(3) %arrayidx0, align 4
75 %elt0 = extractelement <3 x float> %val0, i32 0
76 %elt1 = extractelement <3 x float> %val0, i32 1
77 %elt2 = extractelement <3 x float> %val0, i32 2
79 %add0 = fadd float %elt0, %elt2
80 %add1 = fadd float %add0, %elt1
82 %out.gep = getelementptr inbounds float, ptr addrspace(1) %out, i32 %x.i
83 store float %add1, ptr addrspace(1) %out.gep
87 ; CI-LABEL: {{^}}simple_read2_v4f32_superreg_align8:
88 ; CI: ds_read2_b64 [[REG_ZW:v\[[0-9]+:[0-9]+\]]], v{{[0-9]+}} offset1:1{{$}}
89 ; CI: buffer_store_dwordx4 [[REG_ZW]]
91 define amdgpu_kernel void @simple_read2_v4f32_superreg_align8(ptr addrspace(1) %out) #0 {
92 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
93 %arrayidx0 = getelementptr inbounds [512 x <4 x float>], ptr addrspace(3) @lds.v4, i32 0, i32 %x.i
94 %val0 = load <4 x float>, ptr addrspace(3) %arrayidx0, align 8
95 %out.gep = getelementptr inbounds <4 x float>, ptr addrspace(1) %out, i32 %x.i
96 store <4 x float> %val0, ptr addrspace(1) %out.gep
100 ; CI-LABEL: {{^}}simple_read2_v4f32_superreg:
101 ; CI-DAG: ds_read2_b64 [[REG_ZW:v\[[0-9]+:[0-9]+\]]], v{{[0-9]+}} offset1:1{{$}}
102 ; CI: buffer_store_dwordx4 [[REG_ZW]]
104 define amdgpu_kernel void @simple_read2_v4f32_superreg(ptr addrspace(1) %out) #0 {
105 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
106 %arrayidx0 = getelementptr inbounds [512 x <4 x float>], ptr addrspace(3) @lds.v4, i32 0, i32 %x.i
107 %val0 = load <4 x float>, ptr addrspace(3) %arrayidx0
108 %out.gep = getelementptr inbounds <4 x float>, ptr addrspace(1) %out, i32 %x.i
109 store <4 x float> %val0, ptr addrspace(1) %out.gep
113 ; FIXME: Extra moves shuffling superregister
114 ; CI-LABEL: {{^}}simple_read2_v8f32_superreg:
115 ; CI-DAG: ds_read2_b64 [[VEC_HI:v\[[0-9]+:[0-9]+\]]], v{{[0-9]+}} offset0:2 offset1:3{{$}}
116 ; CI-DAG: ds_read2_b64 [[VEC_LO:v\[[0-9]+:[0-9]+\]]], v{{[0-9]+}} offset1:1{{$}}
117 ; CI-DAG: buffer_store_dwordx4 [[VEC_HI]], v[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}], 0 addr64 offset:16
118 ; CI-DAG: buffer_store_dwordx4 [[VEC_LO]], v[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}], 0 addr64{{$}}
120 define amdgpu_kernel void @simple_read2_v8f32_superreg(ptr addrspace(1) %out) #0 {
121 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
122 %arrayidx0 = getelementptr inbounds [512 x <8 x float>], ptr addrspace(3) @lds.v8, i32 0, i32 %x.i
123 %val0 = load <8 x float>, ptr addrspace(3) %arrayidx0
124 %out.gep = getelementptr inbounds <8 x float>, ptr addrspace(1) %out, i32 %x.i
125 store <8 x float> %val0, ptr addrspace(1) %out.gep
129 ; FIXME: Extra moves shuffling superregister
130 ; CI-LABEL: {{^}}simple_read2_v16f32_superreg:
131 ; CI-DAG: ds_read2_b64 [[VEC0_3:v\[[0-9]+:[0-9]+\]]], v{{[0-9]+}} offset1:1{{$}}
132 ; CI-DAG: ds_read2_b64 [[VEC4_7:v\[[0-9]+:[0-9]+\]]], v{{[0-9]+}} offset0:2 offset1:3{{$}}
133 ; CI-DAG: ds_read2_b64 [[VEC8_11:v\[[0-9]+:[0-9]+\]]], v{{[0-9]+}} offset0:4 offset1:5{{$}}
134 ; CI-DAG: ds_read2_b64 [[VEC12_15:v\[[0-9]+:[0-9]+\]]], v{{[0-9]+}} offset0:6 offset1:7{{$}}
135 ; CI: s_waitcnt lgkmcnt(0)
136 ; CI-DAG: buffer_store_dwordx4 [[VEC0_3]], v[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}], 0 addr64{{$}}
137 ; CI-DAG: buffer_store_dwordx4 [[VEC4_7]], v[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}], 0 addr64 offset:16
138 ; CI-DAG: buffer_store_dwordx4 [[VEC8_11]], v[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}], 0 addr64 offset:32
139 ; CI-DAG: buffer_store_dwordx4 [[VEC12_15]], v[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}], 0 addr64 offset:48
141 define amdgpu_kernel void @simple_read2_v16f32_superreg(ptr addrspace(1) %out) #0 {
142 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
143 %arrayidx0 = getelementptr inbounds [512 x <16 x float>], ptr addrspace(3) @lds.v16, i32 0, i32 %x.i
144 %val0 = load <16 x float>, ptr addrspace(3) %arrayidx0
145 %out.gep = getelementptr inbounds <16 x float>, ptr addrspace(1) %out, i32 %x.i
146 store <16 x float> %val0, ptr addrspace(1) %out.gep
150 ; Do scalar loads into the super register we need.
151 ; CI-LABEL: {{^}}simple_read2_v2f32_superreg_scalar_loads_align4:
152 ; CI-DAG: ds_read2_b32 v[[[REG_ELT0:[0-9]+]]:[[REG_ELT1:[0-9]+]]], v{{[0-9]+}} offset1:1{{$}}
153 ; CI-NOT: v_mov {{v[0-9]+}}, {{[sv][0-9]+}}
154 ; CI: buffer_store_dwordx2 v[[[REG_ELT0]]:[[REG_ELT1]]]
156 define amdgpu_kernel void @simple_read2_v2f32_superreg_scalar_loads_align4(ptr addrspace(1) %out) #0 {
157 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
158 %arrayidx0 = getelementptr inbounds [512 x float], ptr addrspace(3) @lds, i32 0, i32 %x.i
159 %arrayidx1 = getelementptr inbounds float, ptr addrspace(3) %arrayidx0, i32 1
161 %val0 = load float, ptr addrspace(3) %arrayidx0
162 %val1 = load float, ptr addrspace(3) %arrayidx1
164 %vec.0 = insertelement <2 x float> undef, float %val0, i32 0
165 %vec.1 = insertelement <2 x float> %vec.0, float %val1, i32 1
167 %out.gep = getelementptr inbounds <2 x float>, ptr addrspace(1) %out, i32 %x.i
168 store <2 x float> %vec.1, ptr addrspace(1) %out.gep
172 ; Do scalar loads into the super register we need.
173 ; CI-LABEL: {{^}}simple_read2_v4f32_superreg_scalar_loads_align4:
174 ; CI-DAG: ds_read2_b32 v[[[REG_ELT0:[0-9]+]]:[[REG_ELT1:[0-9]+]]], v{{[0-9]+}} offset1:1{{$}}
175 ; CI-DAG: ds_read2_b32 v[[[REG_ELT2:[0-9]+]]:[[REG_ELT3:[0-9]+]]], v{{[0-9]+}} offset0:2 offset1:3{{$}}
176 ; CI-NOT: v_mov {{v[0-9]+}}, {{[sv][0-9]+}}
177 ; CI: buffer_store_dwordx4 v[[[REG_ELT0]]:[[REG_ELT3]]]
179 define amdgpu_kernel void @simple_read2_v4f32_superreg_scalar_loads_align4(ptr addrspace(1) %out) #0 {
180 %x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
181 %arrayidx0 = getelementptr inbounds [512 x float], ptr addrspace(3) @lds, i32 0, i32 %x.i
182 %arrayidx1 = getelementptr inbounds float, ptr addrspace(3) %arrayidx0, i32 1
183 %arrayidx2 = getelementptr inbounds float, ptr addrspace(3) %arrayidx0, i32 2
184 %arrayidx3 = getelementptr inbounds float, ptr addrspace(3) %arrayidx0, i32 3
186 %val0 = load float, ptr addrspace(3) %arrayidx0
187 %val1 = load float, ptr addrspace(3) %arrayidx1
188 %val2 = load float, ptr addrspace(3) %arrayidx2
189 %val3 = load float, ptr addrspace(3) %arrayidx3
191 %vec.0 = insertelement <4 x float> undef, float %val0, i32 0
192 %vec.1 = insertelement <4 x float> %vec.0, float %val1, i32 1
193 %vec.2 = insertelement <4 x float> %vec.1, float %val2, i32 2
194 %vec.3 = insertelement <4 x float> %vec.2, float %val3, i32 3
196 %out.gep = getelementptr inbounds <4 x float>, ptr addrspace(1) %out, i32 %x.i
197 store <4 x float> %vec.3, ptr addrspace(1) %out.gep
201 ; Function Attrs: nounwind readnone
202 declare i32 @llvm.amdgcn.workitem.id.x() #1
204 ; Function Attrs: nounwind readnone
205 declare i32 @llvm.amdgcn.workitem.id.y() #1
207 attributes #0 = { nounwind }
208 attributes #1 = { nounwind readnone }
209 attributes #2 = { convergent nounwind }