1 ; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -allow-deprecated-dag-overlap -check-prefix=GCN %s
2 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -allow-deprecated-dag-overlap -check-prefixes=GCN,VI %s
3 ; RUN: llc -march=amdgcn -mcpu=kabini -verify-machineinstrs < %s | FileCheck -allow-deprecated-dag-overlap -check-prefixes=GCN,16BANK %s
4 ; RUN: llc -march=amdgcn -mcpu=stoney -verify-machineinstrs < %s | FileCheck -allow-deprecated-dag-overlap -check-prefixes=GCN,16BANK %s
6 ; GCN-LABEL: {{^}}v_interp:
8 ; GCN: s_mov_b32 m0, s{{[0-9]+}}
9 ; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
10 ; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.y{{$}}
11 ; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.y{{$}}
12 ; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p0, attr0.x{{$}}
13 define amdgpu_ps void @v_interp(<16 x i8> addrspace(4)* inreg %arg, <16 x i8> addrspace(4)* inreg %arg1, <32 x i8> addrspace(4)* inreg %arg2, i32 inreg %arg3, <2 x float> %arg4) #0 {
15 %i = extractelement <2 x float> %arg4, i32 0
16 %j = extractelement <2 x float> %arg4, i32 1
17 %p0_0 = call float @llvm.amdgcn.interp.p1(float %i, i32 0, i32 0, i32 %arg3)
18 %p1_0 = call float @llvm.amdgcn.interp.p2(float %p0_0, float %j, i32 0, i32 0, i32 %arg3)
19 %p0_1 = call float @llvm.amdgcn.interp.p1(float %i, i32 1, i32 0, i32 %arg3)
20 %p1_1 = call float @llvm.amdgcn.interp.p2(float %p0_1, float %j, i32 1, i32 0, i32 %arg3)
21 %const = call float @llvm.amdgcn.interp.mov(i32 2, i32 0, i32 0, i32 %arg3)
22 %w = fadd float %p1_1, %const
23 call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %p0_0, float %p0_0, float %p1_1, float %w, i1 true, i1 true) #0
27 ; GCN-LABEL: {{^}}v_interp_p1:
28 ; GCN: s_movk_i32 m0, 0x100
29 ; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
30 ; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.y{{$}}
31 ; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.z{{$}}
32 ; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.w{{$}}
33 ; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
35 ; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr1.x{{$}}
36 ; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr2.y{{$}}
37 ; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr3.z{{$}}
38 ; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr4.w{{$}}
39 ; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr63.w{{$}}
40 ; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr64.w{{$}}
41 ; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr64.x{{$}}
42 define amdgpu_ps void @v_interp_p1(float %i) #0 {
44 %p0_0 = call float @llvm.amdgcn.interp.p1(float %i, i32 0, i32 0, i32 256)
45 %p0_1 = call float @llvm.amdgcn.interp.p1(float %i, i32 1, i32 0, i32 256)
46 %p0_2 = call float @llvm.amdgcn.interp.p1(float %i, i32 2, i32 0, i32 256)
47 %p0_3 = call float @llvm.amdgcn.interp.p1(float %i, i32 3, i32 0, i32 256)
48 %p0_4 = call float @llvm.amdgcn.interp.p1(float %i, i32 4, i32 0, i32 256)
49 %p0_5 = call float @llvm.amdgcn.interp.p1(float %i, i32 0, i32 1, i32 256)
50 %p0_6 = call float @llvm.amdgcn.interp.p1(float %i, i32 1, i32 2, i32 256)
51 %p0_7 = call float @llvm.amdgcn.interp.p1(float %i, i32 2, i32 3, i32 256)
52 %p0_8 = call float @llvm.amdgcn.interp.p1(float %i, i32 3, i32 4, i32 256)
53 %p0_9 = call float @llvm.amdgcn.interp.p1(float %i, i32 3, i32 63, i32 256)
54 %p0_10 = call float @llvm.amdgcn.interp.p1(float %i, i32 3, i32 64, i32 256)
55 %p0_11 = call float @llvm.amdgcn.interp.p1(float %i, i32 4, i32 64, i32 256)
57 store volatile float %p0_0, float addrspace(1)* undef
58 store volatile float %p0_1, float addrspace(1)* undef
59 store volatile float %p0_2, float addrspace(1)* undef
60 store volatile float %p0_3, float addrspace(1)* undef
61 store volatile float %p0_4, float addrspace(1)* undef
62 store volatile float %p0_5, float addrspace(1)* undef
63 store volatile float %p0_6, float addrspace(1)* undef
64 store volatile float %p0_7, float addrspace(1)* undef
65 store volatile float %p0_8, float addrspace(1)* undef
66 store volatile float %p0_9, float addrspace(1)* undef
67 store volatile float %p0_10, float addrspace(1)* undef
68 store volatile float %p0_11, float addrspace(1)* undef
72 ; GCN-LABEL: {{^}}v_interp_p2:
73 ; GCN: s_movk_i32 m0, 0x100
74 ; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
75 ; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.y{{$}}
76 ; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.z{{$}}
77 ; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.w{{$}}
78 ; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
79 ; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
80 ; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr63.x{{$}}
81 ; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr64.x{{$}}
82 ; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr64.x{{$}}
83 define amdgpu_ps void @v_interp_p2(float %x, float %j) #0 {
85 %p2_0 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 0, i32 0, i32 256)
86 %p2_1 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 1, i32 0, i32 256)
87 %p2_2 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 2, i32 0, i32 256)
88 %p2_3 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 3, i32 0, i32 256)
89 %p2_4 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 4, i32 0, i32 256)
91 %p2_5 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 0, i32 1, i32 256)
92 %p2_6 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 0, i32 63, i32 256)
93 %p2_7 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 0, i32 64, i32 256)
94 %p2_8 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 4, i32 64, i32 256)
96 store volatile float %p2_0, float addrspace(1)* undef
97 store volatile float %p2_1, float addrspace(1)* undef
98 store volatile float %p2_2, float addrspace(1)* undef
99 store volatile float %p2_3, float addrspace(1)* undef
100 store volatile float %p2_4, float addrspace(1)* undef
101 store volatile float %p2_5, float addrspace(1)* undef
102 store volatile float %p2_6, float addrspace(1)* undef
103 store volatile float %p2_7, float addrspace(1)* undef
104 store volatile float %p2_8, float addrspace(1)* undef
108 ; GCN-LABEL: {{^}}v_interp_mov:
109 ; GCN: s_movk_i32 m0, 0x100
110 ; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr0.x{{$}}
111 ; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p20, attr0.x{{$}}
112 ; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p0, attr0.x{{$}}
113 ; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, invalid_param_3, attr0.x{{$}}
115 ; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr0.x{{$}}
116 ; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr0.z{{$}}
117 ; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr0.w{{$}}
118 ; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr0.x{{$}}
119 ; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, invalid_param_8, attr0.x{{$}}
121 ; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr63.y{{$}}
122 ; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr64.y{{$}}
123 ; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, invalid_param_3, attr64.y{{$}}
124 ; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, invalid_param_10, attr64.x{{$}}
125 define amdgpu_ps void @v_interp_mov(float %x, float %j) #0 {
127 %mov_0 = call float @llvm.amdgcn.interp.mov(i32 0, i32 0, i32 0, i32 256)
128 %mov_1 = call float @llvm.amdgcn.interp.mov(i32 1, i32 0, i32 0, i32 256)
129 %mov_2 = call float @llvm.amdgcn.interp.mov(i32 2, i32 0, i32 0, i32 256)
130 %mov_3 = call float @llvm.amdgcn.interp.mov(i32 3, i32 0, i32 0, i32 256)
132 %mov_4 = call float @llvm.amdgcn.interp.mov(i32 0, i32 1, i32 0, i32 256)
133 %mov_5 = call float @llvm.amdgcn.interp.mov(i32 0, i32 2, i32 0, i32 256)
134 %mov_6 = call float @llvm.amdgcn.interp.mov(i32 0, i32 3, i32 0, i32 256)
135 %mov_7 = call float @llvm.amdgcn.interp.mov(i32 0, i32 4, i32 0, i32 256)
136 %mov_8 = call float @llvm.amdgcn.interp.mov(i32 8, i32 4, i32 0, i32 256)
138 %mov_9 = call float @llvm.amdgcn.interp.mov(i32 0, i32 1, i32 63, i32 256)
139 %mov_10 = call float @llvm.amdgcn.interp.mov(i32 0, i32 1, i32 64, i32 256)
140 %mov_11 = call float @llvm.amdgcn.interp.mov(i32 3, i32 1, i32 64, i32 256)
141 %mov_12 = call float @llvm.amdgcn.interp.mov(i32 10, i32 4, i32 64, i32 256)
143 store volatile float %mov_0, float addrspace(1)* undef
144 store volatile float %mov_1, float addrspace(1)* undef
145 store volatile float %mov_2, float addrspace(1)* undef
146 store volatile float %mov_3, float addrspace(1)* undef
148 store volatile float %mov_4, float addrspace(1)* undef
149 store volatile float %mov_5, float addrspace(1)* undef
150 store volatile float %mov_6, float addrspace(1)* undef
151 store volatile float %mov_7, float addrspace(1)* undef
152 store volatile float %mov_8, float addrspace(1)* undef
154 store volatile float %mov_9, float addrspace(1)* undef
155 store volatile float %mov_10, float addrspace(1)* undef
156 store volatile float %mov_11, float addrspace(1)* undef
157 store volatile float %mov_12, float addrspace(1)* undef
161 ; SI won't merge ds memory operations, because of the signed offset bug, so
162 ; we only have check lines for VI.
164 ; TODO: VI won't merge them either, because we are conservative about moving
165 ; instructions past changes to physregs.
167 ; TODO-VI-LABEL: v_interp_readnone:
168 ; TODO-VI: s_mov_b32 m0, 0
169 ; TODO-VI-DAG: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0
170 ; TODO-VI-DAG: v_interp_mov_f32_e32 v{{[0-9]+}}, p0, attr0.x{{$}}
171 ; TODO-VI: s_mov_b32 m0, -1{{$}}
172 ; TODO-VI: ds_write2_b32 v{{[0-9]+}}, [[ZERO]], [[ZERO]] offset1:4
173 ;define amdgpu_ps void @v_interp_readnone(float addrspace(3)* %lds) #0 {
175 ; store float 0.000000e+00, float addrspace(3)* %lds
176 ; %tmp1 = call float @llvm.amdgcn.interp.mov(i32 2, i32 0, i32 0, i32 0)
177 ; %tmp2 = getelementptr float, float addrspace(3)* %lds, i32 4
178 ; store float 0.000000e+00, float addrspace(3)* %tmp2
179 ; call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %tmp1, float %tmp1, float %tmp1, float %tmp1, i1 true, i1 true) #0
183 ; Thest that v_interp_p1 uses different source and destination registers
184 ; on 16 bank LDS chips.
186 ; GCN-LABEL: {{^}}v_interp_p1_bank16_bug:
187 ; 16BANK-NOT: v_interp_p1_f32{{(_e32)*}} [[DST:v[0-9]+]], [[DST]]
188 define amdgpu_ps void @v_interp_p1_bank16_bug([6 x <16 x i8>] addrspace(4)* inreg %arg, [17 x <16 x i8>] addrspace(4)* inreg %arg13, [17 x <4 x i32>] addrspace(4)* inreg %arg14, [34 x <8 x i32>] addrspace(4)* inreg %arg15, float inreg %arg16, i32 inreg %arg17, <2 x i32> %arg18, <2 x i32> %arg19, <2 x i32> %arg20, <3 x i32> %arg21, <2 x i32> %arg22, <2 x i32> %arg23, <2 x i32> %arg24, float %arg25, float %arg26, float %arg27, float %arg28, float %arg29, float %arg30, i32 %arg31, float %arg32, float %arg33) #0 {
190 %i.i = extractelement <2 x i32> %arg19, i32 0
191 %j.i = extractelement <2 x i32> %arg19, i32 1
192 %i.f.i = bitcast i32 %i.i to float
193 %j.f.i = bitcast i32 %j.i to float
194 %p1.i = call float @llvm.amdgcn.interp.p1(float %i.f.i, i32 0, i32 0, i32 %arg17) #0
195 %p2.i = call float @llvm.amdgcn.interp.p2(float %p1.i, float %j.f.i, i32 0, i32 0, i32 %arg17) #0
196 %i.i7 = extractelement <2 x i32> %arg19, i32 0
197 %j.i8 = extractelement <2 x i32> %arg19, i32 1
198 %i.f.i9 = bitcast i32 %i.i7 to float
199 %j.f.i10 = bitcast i32 %j.i8 to float
200 %p1.i11 = call float @llvm.amdgcn.interp.p1(float %i.f.i9, i32 1, i32 0, i32 %arg17) #0
201 %p2.i12 = call float @llvm.amdgcn.interp.p2(float %p1.i11, float %j.f.i10, i32 1, i32 0, i32 %arg17) #0
202 %i.i1 = extractelement <2 x i32> %arg19, i32 0
203 %j.i2 = extractelement <2 x i32> %arg19, i32 1
204 %i.f.i3 = bitcast i32 %i.i1 to float
205 %j.f.i4 = bitcast i32 %j.i2 to float
206 %p1.i5 = call float @llvm.amdgcn.interp.p1(float %i.f.i3, i32 2, i32 0, i32 %arg17) #0
207 %p2.i6 = call float @llvm.amdgcn.interp.p2(float %p1.i5, float %j.f.i4, i32 2, i32 0, i32 %arg17) #0
208 %tmp = call float @llvm.fabs.f32(float %p2.i)
209 %tmp34 = call float @llvm.fabs.f32(float %p2.i12)
210 %tmp35 = call float @llvm.fabs.f32(float %p2.i6)
211 %tmp36 = call <2 x half> @llvm.amdgcn.cvt.pkrtz(float %tmp, float %tmp34)
212 %tmp38 = call <2 x half> @llvm.amdgcn.cvt.pkrtz(float %tmp35, float 1.000000e+00)
213 call void @llvm.amdgcn.exp.compr.v2f16(i32 0, i32 15, <2 x half> %tmp36, <2 x half> %tmp38, i1 true, i1 true) #0
217 declare float @llvm.fabs.f32(float) #1
218 declare float @llvm.amdgcn.interp.p1(float, i32, i32, i32) #1
219 declare float @llvm.amdgcn.interp.p2(float, float, i32, i32, i32) #1
220 declare float @llvm.amdgcn.interp.mov(i32, i32, i32, i32) #1
221 declare void @llvm.amdgcn.exp.f32(i32, i32, float, float, float, float, i1, i1) #0
222 declare void @llvm.amdgcn.exp.compr.v2f16(i32, i32, <2 x half>, <2 x half>, i1, i1) #0
223 declare <2 x half> @llvm.amdgcn.cvt.pkrtz(float, float) #1
225 attributes #0 = { nounwind }
226 attributes #1 = { nounwind readnone }