1 ; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
2 ; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
4 declare i32 @llvm.ctpop.i32(i32) nounwind readnone
5 declare <2 x i32> @llvm.ctpop.v2i32(<2 x i32>) nounwind readnone
6 declare <4 x i32> @llvm.ctpop.v4i32(<4 x i32>) nounwind readnone
7 declare <8 x i32> @llvm.ctpop.v8i32(<8 x i32>) nounwind readnone
8 declare <16 x i32> @llvm.ctpop.v16i32(<16 x i32>) nounwind readnone
10 ; FUNC-LABEL: @s_ctpop_i32:
11 ; SI: S_LOAD_DWORD [[SVAL:s[0-9]+]],
12 ; SI: S_BCNT1_I32_B32 [[SRESULT:s[0-9]+]], [[SVAL]]
13 ; SI: V_MOV_B32_e32 [[VRESULT:v[0-9]+]], [[SRESULT]]
14 ; SI: BUFFER_STORE_DWORD [[VRESULT]],
18 define void @s_ctpop_i32(i32 addrspace(1)* noalias %out, i32 %val) nounwind {
19 %ctpop = call i32 @llvm.ctpop.i32(i32 %val) nounwind readnone
20 store i32 %ctpop, i32 addrspace(1)* %out, align 4
24 ; XXX - Why 0 in register?
25 ; FUNC-LABEL: @v_ctpop_i32:
26 ; SI: BUFFER_LOAD_DWORD [[VAL:v[0-9]+]],
27 ; SI: V_MOV_B32_e32 [[VZERO:v[0-9]+]], 0
28 ; SI: V_BCNT_U32_B32_e32 [[RESULT:v[0-9]+]], [[VAL]], [[VZERO]]
29 ; SI: BUFFER_STORE_DWORD [[RESULT]],
33 define void @v_ctpop_i32(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in) nounwind {
34 %val = load i32 addrspace(1)* %in, align 4
35 %ctpop = call i32 @llvm.ctpop.i32(i32 %val) nounwind readnone
36 store i32 %ctpop, i32 addrspace(1)* %out, align 4
40 ; FUNC-LABEL: @v_ctpop_add_chain_i32
41 ; SI: BUFFER_LOAD_DWORD [[VAL0:v[0-9]+]],
42 ; SI: BUFFER_LOAD_DWORD [[VAL1:v[0-9]+]],
43 ; SI: V_MOV_B32_e32 [[VZERO:v[0-9]+]], 0
44 ; SI: V_BCNT_U32_B32_e32 [[MIDRESULT:v[0-9]+]], [[VAL1]], [[VZERO]]
46 ; SI: V_BCNT_U32_B32_e64 [[RESULT:v[0-9]+]], [[VAL0]], [[MIDRESULT]]
47 ; SI: BUFFER_STORE_DWORD [[RESULT]],
52 define void @v_ctpop_add_chain_i32(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in0, i32 addrspace(1)* noalias %in1) nounwind {
53 %val0 = load i32 addrspace(1)* %in0, align 4
54 %val1 = load i32 addrspace(1)* %in1, align 4
55 %ctpop0 = call i32 @llvm.ctpop.i32(i32 %val0) nounwind readnone
56 %ctpop1 = call i32 @llvm.ctpop.i32(i32 %val1) nounwind readnone
57 %add = add i32 %ctpop0, %ctpop1
58 store i32 %add, i32 addrspace(1)* %out, align 4
62 ; FUNC-LABEL: @v_ctpop_v2i32:
63 ; SI: V_BCNT_U32_B32_e32
64 ; SI: V_BCNT_U32_B32_e32
69 define void @v_ctpop_v2i32(<2 x i32> addrspace(1)* noalias %out, <2 x i32> addrspace(1)* noalias %in) nounwind {
70 %val = load <2 x i32> addrspace(1)* %in, align 8
71 %ctpop = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %val) nounwind readnone
72 store <2 x i32> %ctpop, <2 x i32> addrspace(1)* %out, align 8
76 ; FUNC-LABEL: @v_ctpop_v4i32:
77 ; SI: V_BCNT_U32_B32_e32
78 ; SI: V_BCNT_U32_B32_e32
79 ; SI: V_BCNT_U32_B32_e32
80 ; SI: V_BCNT_U32_B32_e32
87 define void @v_ctpop_v4i32(<4 x i32> addrspace(1)* noalias %out, <4 x i32> addrspace(1)* noalias %in) nounwind {
88 %val = load <4 x i32> addrspace(1)* %in, align 16
89 %ctpop = call <4 x i32> @llvm.ctpop.v4i32(<4 x i32> %val) nounwind readnone
90 store <4 x i32> %ctpop, <4 x i32> addrspace(1)* %out, align 16
94 ; FUNC-LABEL: @v_ctpop_v8i32:
95 ; SI: V_BCNT_U32_B32_e32
96 ; SI: V_BCNT_U32_B32_e32
97 ; SI: V_BCNT_U32_B32_e32
98 ; SI: V_BCNT_U32_B32_e32
99 ; SI: V_BCNT_U32_B32_e32
100 ; SI: V_BCNT_U32_B32_e32
101 ; SI: V_BCNT_U32_B32_e32
102 ; SI: V_BCNT_U32_B32_e32
113 define void @v_ctpop_v8i32(<8 x i32> addrspace(1)* noalias %out, <8 x i32> addrspace(1)* noalias %in) nounwind {
114 %val = load <8 x i32> addrspace(1)* %in, align 32
115 %ctpop = call <8 x i32> @llvm.ctpop.v8i32(<8 x i32> %val) nounwind readnone
116 store <8 x i32> %ctpop, <8 x i32> addrspace(1)* %out, align 32
120 ; FUNC-LABEL: @v_ctpop_v16i32:
121 ; SI: V_BCNT_U32_B32_e32
122 ; SI: V_BCNT_U32_B32_e32
123 ; SI: V_BCNT_U32_B32_e32
124 ; SI: V_BCNT_U32_B32_e32
125 ; SI: V_BCNT_U32_B32_e32
126 ; SI: V_BCNT_U32_B32_e32
127 ; SI: V_BCNT_U32_B32_e32
128 ; SI: V_BCNT_U32_B32_e32
129 ; SI: V_BCNT_U32_B32_e32
130 ; SI: V_BCNT_U32_B32_e32
131 ; SI: V_BCNT_U32_B32_e32
132 ; SI: V_BCNT_U32_B32_e32
133 ; SI: V_BCNT_U32_B32_e32
134 ; SI: V_BCNT_U32_B32_e32
135 ; SI: V_BCNT_U32_B32_e32
136 ; SI: V_BCNT_U32_B32_e32
155 define void @v_ctpop_v16i32(<16 x i32> addrspace(1)* noalias %out, <16 x i32> addrspace(1)* noalias %in) nounwind {
156 %val = load <16 x i32> addrspace(1)* %in, align 32
157 %ctpop = call <16 x i32> @llvm.ctpop.v16i32(<16 x i32> %val) nounwind readnone
158 store <16 x i32> %ctpop, <16 x i32> addrspace(1)* %out, align 32
162 ; FUNC-LABEL: @v_ctpop_i32_add_inline_constant:
163 ; SI: BUFFER_LOAD_DWORD [[VAL:v[0-9]+]],
164 ; SI: V_BCNT_U32_B32_e64 [[RESULT:v[0-9]+]], [[VAL]], 4
165 ; SI: BUFFER_STORE_DWORD [[RESULT]],
169 define void @v_ctpop_i32_add_inline_constant(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in) nounwind {
170 %val = load i32 addrspace(1)* %in, align 4
171 %ctpop = call i32 @llvm.ctpop.i32(i32 %val) nounwind readnone
172 %add = add i32 %ctpop, 4
173 store i32 %add, i32 addrspace(1)* %out, align 4
177 ; FUNC-LABEL: @v_ctpop_i32_add_inline_constant_inv:
178 ; SI: BUFFER_LOAD_DWORD [[VAL:v[0-9]+]],
179 ; SI: V_BCNT_U32_B32_e64 [[RESULT:v[0-9]+]], [[VAL]], 4
180 ; SI: BUFFER_STORE_DWORD [[RESULT]],
184 define void @v_ctpop_i32_add_inline_constant_inv(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in) nounwind {
185 %val = load i32 addrspace(1)* %in, align 4
186 %ctpop = call i32 @llvm.ctpop.i32(i32 %val) nounwind readnone
187 %add = add i32 4, %ctpop
188 store i32 %add, i32 addrspace(1)* %out, align 4
192 ; FUNC-LABEL: @v_ctpop_i32_add_literal:
193 ; SI: BUFFER_LOAD_DWORD [[VAL:v[0-9]+]],
194 ; SI: V_MOV_B32_e32 [[LIT:v[0-9]+]], 0x1869f
195 ; SI: V_BCNT_U32_B32_e32 [[RESULT:v[0-9]+]], [[VAL]], [[LIT]]
196 ; SI: BUFFER_STORE_DWORD [[RESULT]],
198 define void @v_ctpop_i32_add_literal(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in) nounwind {
199 %val = load i32 addrspace(1)* %in, align 4
200 %ctpop = call i32 @llvm.ctpop.i32(i32 %val) nounwind readnone
201 %add = add i32 %ctpop, 99999
202 store i32 %add, i32 addrspace(1)* %out, align 4
206 ; FUNC-LABEL: @v_ctpop_i32_add_var:
207 ; SI-DAG: BUFFER_LOAD_DWORD [[VAL:v[0-9]+]],
208 ; SI-DAG: S_LOAD_DWORD [[VAR:s[0-9]+]],
209 ; SI: V_BCNT_U32_B32_e64 [[RESULT:v[0-9]+]], [[VAL]], [[VAR]]
210 ; SI: BUFFER_STORE_DWORD [[RESULT]],
214 define void @v_ctpop_i32_add_var(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in, i32 %const) nounwind {
215 %val = load i32 addrspace(1)* %in, align 4
216 %ctpop = call i32 @llvm.ctpop.i32(i32 %val) nounwind readnone
217 %add = add i32 %ctpop, %const
218 store i32 %add, i32 addrspace(1)* %out, align 4
222 ; FUNC-LABEL: @v_ctpop_i32_add_var_inv:
223 ; SI-DAG: BUFFER_LOAD_DWORD [[VAL:v[0-9]+]],
224 ; SI-DAG: S_LOAD_DWORD [[VAR:s[0-9]+]],
225 ; SI: V_BCNT_U32_B32_e64 [[RESULT:v[0-9]+]], [[VAL]], [[VAR]]
226 ; SI: BUFFER_STORE_DWORD [[RESULT]],
230 define void @v_ctpop_i32_add_var_inv(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in, i32 %const) nounwind {
231 %val = load i32 addrspace(1)* %in, align 4
232 %ctpop = call i32 @llvm.ctpop.i32(i32 %val) nounwind readnone
233 %add = add i32 %const, %ctpop
234 store i32 %add, i32 addrspace(1)* %out, align 4
238 ; FUNC-LABEL: @v_ctpop_i32_add_vvar_inv
239 ; SI-DAG: BUFFER_LOAD_DWORD [[VAL:v[0-9]+]], {{.*}} + 0x0
240 ; SI-DAG: BUFFER_LOAD_DWORD [[VAR:v[0-9]+]], {{.*}} + 0x10
241 ; SI: V_BCNT_U32_B32_e32 [[RESULT:v[0-9]+]], [[VAL]], [[VAR]]
242 ; SI: BUFFER_STORE_DWORD [[RESULT]],
246 define void @v_ctpop_i32_add_vvar_inv(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in, i32 addrspace(1)* noalias %constptr) nounwind {
247 %val = load i32 addrspace(1)* %in, align 4
248 %ctpop = call i32 @llvm.ctpop.i32(i32 %val) nounwind readnone
249 %gep = getelementptr i32 addrspace(1)* %constptr, i32 4
250 %const = load i32 addrspace(1)* %gep, align 4
251 %add = add i32 %const, %ctpop
252 store i32 %add, i32 addrspace(1)* %out, align 4
256 ; FIXME: We currently disallow SALU instructions in all branches,
257 ; but there are some cases when the should be allowed.
259 ; FUNC-LABEL: @ctpop_i32_in_br
260 ; SI: BUFFER_LOAD_DWORD [[VAL:v[0-9]+]],
261 ; SI: V_BCNT_U32_B32_e64 [[RESULT:v[0-9]+]], [[VAL]], 0
262 ; SI: BUFFER_STORE_DWORD [[RESULT]],
265 define void @ctpop_i32_in_br(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i32 %cond) {
267 %0 = icmp eq i32 %cond, 0
268 br i1 %0, label %if, label %else
271 %1 = load i32 addrspace(1)* %in
272 %2 = call i32 @llvm.ctpop.i32(i32 %1)
276 %3 = getelementptr i32 addrspace(1)* %in, i32 1
277 %4 = load i32 addrspace(1)* %3
281 %5 = phi i32 [%2, %if], [%4, %else]
282 store i32 %5, i32 addrspace(1)* %out