1;RUN: llc < %s -march=amdgcn -mcpu=verde -verify-machineinstrs | FileCheck %s -check-prefix=CHECK -check-prefix=SICI
2;RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck %s -check-prefix=CHECK -check-prefix=VI
3
4;CHECK-LABEL: {{^}}buffer_load:
5;CHECK: buffer_load_dwordx4 v[0:3], off, s[0:3], 0
6;CHECK: buffer_load_dwordx4 v[4:7], off, s[0:3], 0 glc
7;CHECK: buffer_load_dwordx4 v[8:11], off, s[0:3], 0 slc
8;CHECK: s_waitcnt
9define amdgpu_ps {<4 x float>, <4 x float>, <4 x float>} @buffer_load(<4 x i32> inreg) {
10main_body:
11  %data = call <4 x float> @llvm.amdgcn.buffer.load.v4f32(<4 x i32> %0, i32 0, i32 0, i1 0, i1 0)
12  %data_glc = call <4 x float> @llvm.amdgcn.buffer.load.v4f32(<4 x i32> %0, i32 0, i32 0, i1 1, i1 0)
13  %data_slc = call <4 x float> @llvm.amdgcn.buffer.load.v4f32(<4 x i32> %0, i32 0, i32 0, i1 0, i1 1)
14  %r0 = insertvalue {<4 x float>, <4 x float>, <4 x float>} undef, <4 x float> %data, 0
15  %r1 = insertvalue {<4 x float>, <4 x float>, <4 x float>} %r0, <4 x float> %data_glc, 1
16  %r2 = insertvalue {<4 x float>, <4 x float>, <4 x float>} %r1, <4 x float> %data_slc, 2
17  ret {<4 x float>, <4 x float>, <4 x float>} %r2
18}
19
20;CHECK-LABEL: {{^}}buffer_load_immoffs:
21;CHECK: buffer_load_dwordx4 v[0:3], off, s[0:3], 0 offset:40
22;CHECK: s_waitcnt
23define amdgpu_ps <4 x float> @buffer_load_immoffs(<4 x i32> inreg) {
24main_body:
25  %data = call <4 x float> @llvm.amdgcn.buffer.load.v4f32(<4 x i32> %0, i32 0, i32 40, i1 0, i1 0)
26  ret <4 x float> %data
27}
28
29;CHECK-LABEL: {{^}}buffer_load_immoffs_large:
30;SICI: buffer_load_dwordx4 v[0:3], {{v[0-9]+}}, s[0:3], 0 offen
31;VI: s_movk_i32 [[OFFSET:s[0-9]+]], 0x1ffc
32;VI: buffer_load_dwordx4 v[0:3], off, s[0:3], [[OFFSET]] offset:4
33;CHECK: s_waitcnt
34define amdgpu_ps <4 x float> @buffer_load_immoffs_large(<4 x i32> inreg) {
35main_body:
36  %data = call <4 x float> @llvm.amdgcn.buffer.load.v4f32(<4 x i32> %0, i32 0, i32 8192, i1 0, i1 0)
37  ret <4 x float> %data
38}
39
40;CHECK-LABEL: {{^}}buffer_load_idx:
41;CHECK: buffer_load_dwordx4 v[0:3], v0, s[0:3], 0 idxen
42;CHECK: s_waitcnt
43define amdgpu_ps <4 x float> @buffer_load_idx(<4 x i32> inreg, i32) {
44main_body:
45  %data = call <4 x float> @llvm.amdgcn.buffer.load.v4f32(<4 x i32> %0, i32 %1, i32 0, i1 0, i1 0)
46  ret <4 x float> %data
47}
48
49;CHECK-LABEL: {{^}}buffer_load_ofs:
50;CHECK: buffer_load_dwordx4 v[0:3], v0, s[0:3], 0 offen
51;CHECK: s_waitcnt
52define amdgpu_ps <4 x float> @buffer_load_ofs(<4 x i32> inreg, i32) {
53main_body:
54  %data = call <4 x float> @llvm.amdgcn.buffer.load.v4f32(<4 x i32> %0, i32 0, i32 %1, i1 0, i1 0)
55  ret <4 x float> %data
56}
57
58;CHECK-LABEL: {{^}}buffer_load_ofs_imm:
59;CHECK: buffer_load_dwordx4 v[0:3], v0, s[0:3], 0 offen offset:60
60;CHECK: s_waitcnt
61define amdgpu_ps <4 x float> @buffer_load_ofs_imm(<4 x i32> inreg, i32) {
62main_body:
63  %ofs = add i32 %1, 60
64  %data = call <4 x float> @llvm.amdgcn.buffer.load.v4f32(<4 x i32> %0, i32 0, i32 %ofs, i1 0, i1 0)
65  ret <4 x float> %data
66}
67
68;CHECK-LABEL: {{^}}buffer_load_both:
69;CHECK: buffer_load_dwordx4 v[0:3], v[0:1], s[0:3], 0 idxen offen
70;CHECK: s_waitcnt
71define amdgpu_ps <4 x float> @buffer_load_both(<4 x i32> inreg, i32, i32) {
72main_body:
73  %data = call <4 x float> @llvm.amdgcn.buffer.load.v4f32(<4 x i32> %0, i32 %1, i32 %2, i1 0, i1 0)
74  ret <4 x float> %data
75}
76
77;CHECK-LABEL: {{^}}buffer_load_both_reversed:
78;CHECK: v_mov_b32_e32 v2, v0
79;CHECK: buffer_load_dwordx4 v[0:3], v[1:2], s[0:3], 0 idxen offen
80;CHECK: s_waitcnt
81define amdgpu_ps <4 x float> @buffer_load_both_reversed(<4 x i32> inreg, i32, i32) {
82main_body:
83  %data = call <4 x float> @llvm.amdgcn.buffer.load.v4f32(<4 x i32> %0, i32 %2, i32 %1, i1 0, i1 0)
84  ret <4 x float> %data
85}
86
87;CHECK-LABEL: {{^}}buffer_load_x1:
88;CHECK: buffer_load_dword v0, v[0:1], s[0:3], 0 idxen offen
89;CHECK: s_waitcnt
90define amdgpu_ps float @buffer_load_x1(<4 x i32> inreg %rsrc, i32 %idx, i32 %ofs) {
91main_body:
92  %data = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 %idx, i32 %ofs, i1 0, i1 0)
93  ret float %data
94}
95
96;CHECK-LABEL: {{^}}buffer_load_x2:
97;CHECK: buffer_load_dwordx2 v[0:1], v[0:1], s[0:3], 0 idxen offen
98;CHECK: s_waitcnt
99define amdgpu_ps <2 x float> @buffer_load_x2(<4 x i32> inreg %rsrc, i32 %idx, i32 %ofs) {
100main_body:
101  %data = call <2 x float> @llvm.amdgcn.buffer.load.v2f32(<4 x i32> %rsrc, i32 %idx, i32 %ofs, i1 0, i1 0)
102  ret <2 x float> %data
103}
104
105;CHECK-LABEL: {{^}}buffer_load_negative_offset:
106;CHECK: v_add_{{[iu]}}32_e32 [[VOFS:v[0-9]+]], vcc, -16, v0
107;CHECK: buffer_load_dwordx4 v[0:3], [[VOFS]], s[0:3], 0 offen
108define amdgpu_ps <4 x float> @buffer_load_negative_offset(<4 x i32> inreg, i32 %ofs) {
109main_body:
110  %ofs.1 = add i32 %ofs, -16
111  %data = call <4 x float> @llvm.amdgcn.buffer.load.v4f32(<4 x i32> %0, i32 0, i32 %ofs.1, i1 0, i1 0)
112  ret <4 x float> %data
113}
114
115; SI won't merge ds memory operations, because of the signed offset bug, so
116; we only have check lines for VI.
117; CHECK-LABEL: buffer_load_mmo:
118; VI: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0
119; VI: ds_write2_b32 v{{[0-9]+}}, [[ZERO]], [[ZERO]] offset1:4
120define amdgpu_ps float @buffer_load_mmo(<4 x i32> inreg %rsrc, float addrspace(3)* %lds) {
121entry:
122  store float 0.0, float addrspace(3)* %lds
123  %val = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 0, i1 0, i1 0)
124  %tmp2 = getelementptr float, float addrspace(3)* %lds, i32 4
125  store float 0.0, float addrspace(3)* %tmp2
126  ret float %val
127}
128
129;CHECK-LABEL: {{^}}buffer_load_x1_offen_merged:
130;CHECK-NEXT: %bb.
131;CHECK-NEXT: buffer_load_dwordx4 v[{{[0-9]}}:{{[0-9]}}], v0, s[0:3], 0 offen offset:4
132;CHECK-NEXT: buffer_load_dwordx2 v[{{[0-9]}}:{{[0-9]}}], v0, s[0:3], 0 offen offset:28
133;CHECK: s_waitcnt
134define amdgpu_ps void @buffer_load_x1_offen_merged(<4 x i32> inreg %rsrc, i32 %a) {
135main_body:
136  %a1 = add i32 %a, 4
137  %a2 = add i32 %a, 8
138  %a3 = add i32 %a, 12
139  %a4 = add i32 %a, 16
140  %a5 = add i32 %a, 28
141  %a6 = add i32 %a, 32
142  %r1 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 %a1, i1 0, i1 0)
143  %r2 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 %a2, i1 0, i1 0)
144  %r3 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 %a3, i1 0, i1 0)
145  %r4 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 %a4, i1 0, i1 0)
146  %r5 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 %a5, i1 0, i1 0)
147  %r6 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 %a6, i1 0, i1 0)
148  call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %r1, float %r2, float %r3, float %r4, i1 true, i1 true)
149  call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %r5, float %r6, float undef, float undef, i1 true, i1 true)
150  ret void
151}
152
153;CHECK-LABEL: {{^}}buffer_load_x1_offen_merged_glc_slc:
154;CHECK-NEXT: %bb.
155;CHECK-NEXT: buffer_load_dwordx2 v[{{[0-9]}}:{{[0-9]}}], v0, s[0:3], 0 offen offset:4{{$}}
156;CHECK-NEXT: buffer_load_dwordx2 v[{{[0-9]}}:{{[0-9]}}], v0, s[0:3], 0 offen offset:12 glc{{$}}
157;CHECK-NEXT: buffer_load_dwordx2 v[{{[0-9]}}:{{[0-9]}}], v0, s[0:3], 0 offen offset:28 glc slc{{$}}
158;CHECK: s_waitcnt
159define amdgpu_ps void @buffer_load_x1_offen_merged_glc_slc(<4 x i32> inreg %rsrc, i32 %a) {
160main_body:
161  %a1 = add i32 %a, 4
162  %a2 = add i32 %a, 8
163  %a3 = add i32 %a, 12
164  %a4 = add i32 %a, 16
165  %a5 = add i32 %a, 28
166  %a6 = add i32 %a, 32
167  %r1 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 %a1, i1 0, i1 0)
168  %r2 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 %a2, i1 0, i1 0)
169  %r3 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 %a3, i1 1, i1 0)
170  %r4 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 %a4, i1 1, i1 0)
171  %r5 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 %a5, i1 1, i1 1)
172  %r6 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 %a6, i1 1, i1 1)
173  call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %r1, float %r2, float %r3, float %r4, i1 true, i1 true)
174  call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %r5, float %r6, float undef, float undef, i1 true, i1 true)
175  ret void
176}
177
178;CHECK-LABEL: {{^}}buffer_load_x2_offen_merged:
179;CHECK-NEXT: %bb.
180;CHECK-NEXT: buffer_load_dwordx4 v[{{[0-9]}}:{{[0-9]}}], v0, s[0:3], 0 offen offset:4
181;CHECK: s_waitcnt
182define amdgpu_ps void @buffer_load_x2_offen_merged(<4 x i32> inreg %rsrc, i32 %a) {
183main_body:
184  %a1 = add i32 %a, 4
185  %a2 = add i32 %a, 12
186  %vr1 = call <2 x float> @llvm.amdgcn.buffer.load.v2f32(<4 x i32> %rsrc, i32 0, i32 %a1, i1 0, i1 0)
187  %vr2 = call <2 x float> @llvm.amdgcn.buffer.load.v2f32(<4 x i32> %rsrc, i32 0, i32 %a2, i1 0, i1 0)
188  %r1 = extractelement <2 x float> %vr1, i32 0
189  %r2 = extractelement <2 x float> %vr1, i32 1
190  %r3 = extractelement <2 x float> %vr2, i32 0
191  %r4 = extractelement <2 x float> %vr2, i32 1
192  call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %r1, float %r2, float %r3, float %r4, i1 true, i1 true)
193  ret void
194}
195
196;CHECK-LABEL: {{^}}buffer_load_x3_offen_merged:
197;CHECK-NEXT: %bb.
198;VI-NEXT: buffer_load_dwordx3 v[{{[0-9]}}:{{[0-9]}}], v0, s[0:3], 0 offen offset:4
199;CHECK: s_waitcnt
200define amdgpu_ps void @buffer_load_x3_offen_merged(<4 x i32> inreg %rsrc, i32 %a) {
201main_body:
202  %a1 = add i32 %a, 4
203  %a2 = add i32 %a, 12
204  %vr1 = call <2 x float> @llvm.amdgcn.buffer.load.v2f32(<4 x i32> %rsrc, i32 0, i32 %a1, i1 0, i1 0)
205  %r3 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 %a2, i1 0, i1 0)
206  %r1 = extractelement <2 x float> %vr1, i32 0
207  %r2 = extractelement <2 x float> %vr1, i32 1
208  call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %r1, float %r2, float %r3, float undef, i1 true, i1 true)
209  ret void
210}
211
212;CHECK-LABEL: {{^}}buffer_load_x1_offset_merged:
213;CHECK-NEXT: %bb.
214;CHECK-NEXT: buffer_load_dwordx4 v[{{[0-9]}}:{{[0-9]}}], off, s[0:3], 0 offset:4
215;CHECK-NEXT: buffer_load_dwordx2 v[{{[0-9]}}:{{[0-9]}}], off, s[0:3], 0 offset:28
216;CHECK: s_waitcnt
217define amdgpu_ps void @buffer_load_x1_offset_merged(<4 x i32> inreg %rsrc) {
218main_body:
219  %r1 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 4, i1 0, i1 0)
220  %r2 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 8, i1 0, i1 0)
221  %r3 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 12, i1 0, i1 0)
222  %r4 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 16, i1 0, i1 0)
223  %r5 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 28, i1 0, i1 0)
224  %r6 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 32, i1 0, i1 0)
225  call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %r1, float %r2, float %r3, float %r4, i1 true, i1 true)
226  call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %r5, float %r6, float undef, float undef, i1 true, i1 true)
227  ret void
228}
229
230;CHECK-LABEL: {{^}}buffer_load_x2_offset_merged:
231;CHECK-NEXT: %bb.
232;CHECK-NEXT: buffer_load_dwordx4 v[{{[0-9]}}:{{[0-9]}}], off, s[0:3], 0 offset:4
233;CHECK: s_waitcnt
234define amdgpu_ps void @buffer_load_x2_offset_merged(<4 x i32> inreg %rsrc) {
235main_body:
236  %vr1 = call <2 x float> @llvm.amdgcn.buffer.load.v2f32(<4 x i32> %rsrc, i32 0, i32 4, i1 0, i1 0)
237  %vr2 = call <2 x float> @llvm.amdgcn.buffer.load.v2f32(<4 x i32> %rsrc, i32 0, i32 12, i1 0, i1 0)
238  %r1 = extractelement <2 x float> %vr1, i32 0
239  %r2 = extractelement <2 x float> %vr1, i32 1
240  %r3 = extractelement <2 x float> %vr2, i32 0
241  %r4 = extractelement <2 x float> %vr2, i32 1
242  call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %r1, float %r2, float %r3, float %r4, i1 true, i1 true)
243  ret void
244}
245
246;CHECK-LABEL: {{^}}buffer_load_x3_offset_merged:
247;CHECK-NEXT: %bb.
248;VI-NEXT: buffer_load_dwordx3 v[{{[0-9]}}:{{[0-9]}}], off, s[0:3], 0 offset:4
249;CHECK: s_waitcnt
250define amdgpu_ps void @buffer_load_x3_offset_merged(<4 x i32> inreg %rsrc) {
251main_body:
252  %vr1 = call <2 x float> @llvm.amdgcn.buffer.load.v2f32(<4 x i32> %rsrc, i32 0, i32 4, i1 0, i1 0)
253  %r3 = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 12, i1 0, i1 0)
254  %r1 = extractelement <2 x float> %vr1, i32 0
255  %r2 = extractelement <2 x float> %vr1, i32 1
256  call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %r1, float %r2, float %r3, float undef, i1 true, i1 true)
257  ret void
258}
259
260declare float @llvm.amdgcn.buffer.load.f32(<4 x i32>, i32, i32, i1, i1) #0
261declare <2 x float> @llvm.amdgcn.buffer.load.v2f32(<4 x i32>, i32, i32, i1, i1) #0
262declare <4 x float> @llvm.amdgcn.buffer.load.v4f32(<4 x i32>, i32, i32, i1, i1) #0
263declare void @llvm.amdgcn.exp.f32(i32, i32, float, float, float, float, i1, i1) #0
264
265attributes #0 = { nounwind readonly }
266