1 ; RUN: llc -march=r600 -mcpu=redwood -disable-promote-alloca-to-vector < %s | FileCheck %s -check-prefix=R600 -check-prefix=FUNC
2 ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck %s -check-prefix=R600-VECT -check-prefix=FUNC
3 ; RUN: opt -S -mtriple=r600-unknown-unknown -mcpu=redwood -amdgpu-promote-alloca -disable-promote-alloca-to-vector < %s | FileCheck -check-prefix=OPT %s
4 target datalayout = "A5"
6 declare i32 @llvm.r600.read.tidig.x() nounwind readnone
8 ; FUNC-LABEL: {{^}}mova_same_clause:
15 ; OPT: call i32 @llvm.r600.read.local.size.y(), !range !0
16 ; OPT: call i32 @llvm.r600.read.local.size.z(), !range !0
17 ; OPT: call i32 @llvm.r600.read.tidig.x(), !range !1
18 ; OPT: call i32 @llvm.r600.read.tidig.y(), !range !1
19 ; OPT: call i32 @llvm.r600.read.tidig.z(), !range !1
21 define amdgpu_kernel void @mova_same_clause(i32 addrspace(1)* nocapture %out, i32 addrspace(1)* nocapture %in) #0 {
23 %stack = alloca [5 x i32], align 4, addrspace(5)
24 %0 = load i32, i32 addrspace(1)* %in, align 4
25 %arrayidx1 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(5)* %stack, i32 0, i32 %0
26 store i32 4, i32 addrspace(5)* %arrayidx1, align 4
27 %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1
28 %1 = load i32, i32 addrspace(1)* %arrayidx2, align 4
29 %arrayidx3 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(5)* %stack, i32 0, i32 %1
30 store i32 5, i32 addrspace(5)* %arrayidx3, align 4
31 %arrayidx10 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(5)* %stack, i32 0, i32 0
32 %2 = load i32, i32 addrspace(5)* %arrayidx10, align 4
33 store i32 %2, i32 addrspace(1)* %out, align 4
34 %arrayidx12 = getelementptr inbounds [5 x i32], [5 x i32] addrspace(5)* %stack, i32 0, i32 1
35 %3 = load i32, i32 addrspace(5)* %arrayidx12
36 %arrayidx13 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 1
37 store i32 %3, i32 addrspace(1)* %arrayidx13
41 ; This test checks that the stack offset is calculated correctly for structs.
42 ; All register loads/stores should be optimized away, so there shouldn't be
43 ; any MOVA instructions.
45 ; XXX: This generated code has unnecessary MOVs, we should be able to optimize
48 ; FUNC-LABEL: {{^}}multiple_structs:
50 %struct.point = type { i32, i32 }
52 define amdgpu_kernel void @multiple_structs(i32 addrspace(1)* %out) #0 {
54 %a = alloca %struct.point, addrspace(5)
55 %b = alloca %struct.point, addrspace(5)
56 %a.x.ptr = getelementptr inbounds %struct.point, %struct.point addrspace(5)* %a, i32 0, i32 0
57 %a.y.ptr = getelementptr inbounds %struct.point, %struct.point addrspace(5)* %a, i32 0, i32 1
58 %b.x.ptr = getelementptr inbounds %struct.point, %struct.point addrspace(5)* %b, i32 0, i32 0
59 %b.y.ptr = getelementptr inbounds %struct.point, %struct.point addrspace(5)* %b, i32 0, i32 1
60 store i32 0, i32 addrspace(5)* %a.x.ptr
61 store i32 1, i32 addrspace(5)* %a.y.ptr
62 store i32 2, i32 addrspace(5)* %b.x.ptr
63 store i32 3, i32 addrspace(5)* %b.y.ptr
64 %a.indirect.ptr = getelementptr inbounds %struct.point, %struct.point addrspace(5)* %a, i32 0, i32 0
65 %b.indirect.ptr = getelementptr inbounds %struct.point, %struct.point addrspace(5)* %b, i32 0, i32 0
66 %a.indirect = load i32, i32 addrspace(5)* %a.indirect.ptr
67 %b.indirect = load i32, i32 addrspace(5)* %b.indirect.ptr
68 %0 = add i32 %a.indirect, %b.indirect
69 store i32 %0, i32 addrspace(1)* %out
73 ; Test direct access of a private array inside a loop. The private array
74 ; loads and stores should be lowered to copies, so there shouldn't be any
77 ; FUNC-LABEL: {{^}}direct_loop:
80 define amdgpu_kernel void @direct_loop(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
82 %prv_array_const = alloca [2 x i32], addrspace(5)
83 %prv_array = alloca [2 x i32], addrspace(5)
84 %a = load i32, i32 addrspace(1)* %in
85 %b_src_ptr = getelementptr inbounds i32, i32 addrspace(1)* %in, i32 1
86 %b = load i32, i32 addrspace(1)* %b_src_ptr
87 %a_dst_ptr = getelementptr inbounds [2 x i32], [2 x i32] addrspace(5)* %prv_array_const, i32 0, i32 0
88 store i32 %a, i32 addrspace(5)* %a_dst_ptr
89 %b_dst_ptr = getelementptr inbounds [2 x i32], [2 x i32] addrspace(5)* %prv_array_const, i32 0, i32 1
90 store i32 %b, i32 addrspace(5)* %b_dst_ptr
94 %inc = phi i32 [0, %entry], [%count, %for.body]
95 %x_ptr = getelementptr inbounds [2 x i32], [2 x i32] addrspace(5)* %prv_array_const, i32 0, i32 0
96 %x = load i32, i32 addrspace(5)* %x_ptr
97 %y_ptr = getelementptr inbounds [2 x i32], [2 x i32] addrspace(5)* %prv_array, i32 0, i32 0
98 %y = load i32, i32 addrspace(5)* %y_ptr
100 store i32 %xy, i32 addrspace(5)* %y_ptr
101 %count = add i32 %inc, 1
102 %done = icmp eq i32 %count, 4095
103 br i1 %done, label %for.end, label %for.body
106 %value_ptr = getelementptr inbounds [2 x i32], [2 x i32] addrspace(5)* %prv_array, i32 0, i32 0
107 %value = load i32, i32 addrspace(5)* %value_ptr
108 store i32 %value, i32 addrspace(1)* %out
112 ; FUNC-LABEL: {{^}}short_array:
114 ; R600-VECT: MOVA_INT
115 define amdgpu_kernel void @short_array(i32 addrspace(1)* %out, i32 %index) #0 {
117 %0 = alloca [2 x i16], addrspace(5)
118 %1 = getelementptr inbounds [2 x i16], [2 x i16] addrspace(5)* %0, i32 0, i32 0
119 %2 = getelementptr inbounds [2 x i16], [2 x i16] addrspace(5)* %0, i32 0, i32 1
120 store i16 0, i16 addrspace(5)* %1
121 store i16 1, i16 addrspace(5)* %2
122 %3 = getelementptr inbounds [2 x i16], [2 x i16] addrspace(5)* %0, i32 0, i32 %index
123 %4 = load i16, i16 addrspace(5)* %3
124 %5 = sext i16 %4 to i32
125 store i32 %5, i32 addrspace(1)* %out
129 ; FUNC-LABEL: {{^}}char_array:
131 ; R600-VECT: MOVA_INT
132 define amdgpu_kernel void @char_array(i32 addrspace(1)* %out, i32 %index) #0 {
134 %0 = alloca [2 x i8], addrspace(5)
135 %1 = getelementptr inbounds [2 x i8], [2 x i8] addrspace(5)* %0, i32 0, i32 0
136 %2 = getelementptr inbounds [2 x i8], [2 x i8] addrspace(5)* %0, i32 0, i32 1
137 store i8 0, i8 addrspace(5)* %1
138 store i8 1, i8 addrspace(5)* %2
139 %3 = getelementptr inbounds [2 x i8], [2 x i8] addrspace(5)* %0, i32 0, i32 %index
140 %4 = load i8, i8 addrspace(5)* %3
141 %5 = sext i8 %4 to i32
142 store i32 %5, i32 addrspace(1)* %out
147 ; Make sure we don't overwrite workitem information with private memory
149 ; FUNC-LABEL: {{^}}work_item_info:
151 ; Additional check in case the move ends up in the last slot
152 ; R600-NOT: MOV * TO.X
153 define amdgpu_kernel void @work_item_info(i32 addrspace(1)* %out, i32 %in) #0 {
155 %0 = alloca [2 x i32], addrspace(5)
156 %1 = getelementptr inbounds [2 x i32], [2 x i32] addrspace(5)* %0, i32 0, i32 0
157 %2 = getelementptr inbounds [2 x i32], [2 x i32] addrspace(5)* %0, i32 0, i32 1
158 store i32 0, i32 addrspace(5)* %1
159 store i32 1, i32 addrspace(5)* %2
160 %3 = getelementptr inbounds [2 x i32], [2 x i32] addrspace(5)* %0, i32 0, i32 %in
161 %4 = load i32, i32 addrspace(5)* %3
162 %5 = call i32 @llvm.r600.read.tidig.x()
164 store i32 %6, i32 addrspace(1)* %out
168 ; Test that two stack objects are not stored in the same register
169 ; The second stack object should be in T3.X
170 ; FUNC-LABEL: {{^}}no_overlap:
172 ; R600_CHECK: [[CHAN:[XYZW]]]+
173 ; R600-NOT: [[CHAN]]+
174 define amdgpu_kernel void @no_overlap(i32 addrspace(1)* %out, i32 %in) #0 {
176 %0 = alloca [3 x i8], align 1, addrspace(5)
177 %1 = alloca [2 x i8], align 1, addrspace(5)
178 %2 = getelementptr inbounds [3 x i8], [3 x i8] addrspace(5)* %0, i32 0, i32 0
179 %3 = getelementptr inbounds [3 x i8], [3 x i8] addrspace(5)* %0, i32 0, i32 1
180 %4 = getelementptr inbounds [3 x i8], [3 x i8] addrspace(5)* %0, i32 0, i32 2
181 %5 = getelementptr inbounds [2 x i8], [2 x i8] addrspace(5)* %1, i32 0, i32 0
182 %6 = getelementptr inbounds [2 x i8], [2 x i8] addrspace(5)* %1, i32 0, i32 1
183 store i8 0, i8 addrspace(5)* %2
184 store i8 1, i8 addrspace(5)* %3
185 store i8 2, i8 addrspace(5)* %4
186 store i8 1, i8 addrspace(5)* %5
187 store i8 0, i8 addrspace(5)* %6
188 %7 = getelementptr inbounds [3 x i8], [3 x i8] addrspace(5)* %0, i32 0, i32 %in
189 %8 = getelementptr inbounds [2 x i8], [2 x i8] addrspace(5)* %1, i32 0, i32 %in
190 %9 = load i8, i8 addrspace(5)* %7
191 %10 = load i8, i8 addrspace(5)* %8
193 %12 = sext i8 %11 to i32
194 store i32 %12, i32 addrspace(1)* %out
198 define amdgpu_kernel void @char_array_array(i32 addrspace(1)* %out, i32 %index) #0 {
200 %alloca = alloca [2 x [2 x i8]], addrspace(5)
201 %gep0 = getelementptr inbounds [2 x [2 x i8]], [2 x [2 x i8]] addrspace(5)* %alloca, i32 0, i32 0, i32 0
202 %gep1 = getelementptr inbounds [2 x [2 x i8]], [2 x [2 x i8]] addrspace(5)* %alloca, i32 0, i32 0, i32 1
203 store i8 0, i8 addrspace(5)* %gep0
204 store i8 1, i8 addrspace(5)* %gep1
205 %gep2 = getelementptr inbounds [2 x [2 x i8]], [2 x [2 x i8]] addrspace(5)* %alloca, i32 0, i32 0, i32 %index
206 %load = load i8, i8 addrspace(5)* %gep2
207 %sext = sext i8 %load to i32
208 store i32 %sext, i32 addrspace(1)* %out
212 define amdgpu_kernel void @i32_array_array(i32 addrspace(1)* %out, i32 %index) #0 {
214 %alloca = alloca [2 x [2 x i32]], addrspace(5)
215 %gep0 = getelementptr inbounds [2 x [2 x i32]], [2 x [2 x i32]] addrspace(5)* %alloca, i32 0, i32 0, i32 0
216 %gep1 = getelementptr inbounds [2 x [2 x i32]], [2 x [2 x i32]] addrspace(5)* %alloca, i32 0, i32 0, i32 1
217 store i32 0, i32 addrspace(5)* %gep0
218 store i32 1, i32 addrspace(5)* %gep1
219 %gep2 = getelementptr inbounds [2 x [2 x i32]], [2 x [2 x i32]] addrspace(5)* %alloca, i32 0, i32 0, i32 %index
220 %load = load i32, i32 addrspace(5)* %gep2
221 store i32 %load, i32 addrspace(1)* %out
225 define amdgpu_kernel void @i64_array_array(i64 addrspace(1)* %out, i32 %index) #0 {
227 %alloca = alloca [2 x [2 x i64]], addrspace(5)
228 %gep0 = getelementptr inbounds [2 x [2 x i64]], [2 x [2 x i64]] addrspace(5)* %alloca, i32 0, i32 0, i32 0
229 %gep1 = getelementptr inbounds [2 x [2 x i64]], [2 x [2 x i64]] addrspace(5)* %alloca, i32 0, i32 0, i32 1
230 store i64 0, i64 addrspace(5)* %gep0
231 store i64 1, i64 addrspace(5)* %gep1
232 %gep2 = getelementptr inbounds [2 x [2 x i64]], [2 x [2 x i64]] addrspace(5)* %alloca, i32 0, i32 0, i32 %index
233 %load = load i64, i64 addrspace(5)* %gep2
234 store i64 %load, i64 addrspace(1)* %out
238 %struct.pair32 = type { i32, i32 }
240 define amdgpu_kernel void @struct_array_array(i32 addrspace(1)* %out, i32 %index) #0 {
242 %alloca = alloca [2 x [2 x %struct.pair32]], addrspace(5)
243 %gep0 = getelementptr inbounds [2 x [2 x %struct.pair32]], [2 x [2 x %struct.pair32]] addrspace(5)* %alloca, i32 0, i32 0, i32 0, i32 1
244 %gep1 = getelementptr inbounds [2 x [2 x %struct.pair32]], [2 x [2 x %struct.pair32]] addrspace(5)* %alloca, i32 0, i32 0, i32 1, i32 1
245 store i32 0, i32 addrspace(5)* %gep0
246 store i32 1, i32 addrspace(5)* %gep1
247 %gep2 = getelementptr inbounds [2 x [2 x %struct.pair32]], [2 x [2 x %struct.pair32]] addrspace(5)* %alloca, i32 0, i32 0, i32 %index, i32 0
248 %load = load i32, i32 addrspace(5)* %gep2
249 store i32 %load, i32 addrspace(1)* %out
253 define amdgpu_kernel void @struct_pair32_array(i32 addrspace(1)* %out, i32 %index) #0 {
255 %alloca = alloca [2 x %struct.pair32], addrspace(5)
256 %gep0 = getelementptr inbounds [2 x %struct.pair32], [2 x %struct.pair32] addrspace(5)* %alloca, i32 0, i32 0, i32 1
257 %gep1 = getelementptr inbounds [2 x %struct.pair32], [2 x %struct.pair32] addrspace(5)* %alloca, i32 0, i32 1, i32 0
258 store i32 0, i32 addrspace(5)* %gep0
259 store i32 1, i32 addrspace(5)* %gep1
260 %gep2 = getelementptr inbounds [2 x %struct.pair32], [2 x %struct.pair32] addrspace(5)* %alloca, i32 0, i32 %index, i32 0
261 %load = load i32, i32 addrspace(5)* %gep2
262 store i32 %load, i32 addrspace(1)* %out
266 define amdgpu_kernel void @select_private(i32 addrspace(1)* %out, i32 %in) nounwind {
268 %tmp = alloca [2 x i32], addrspace(5)
269 %tmp1 = getelementptr inbounds [2 x i32], [2 x i32] addrspace(5)* %tmp, i32 0, i32 0
270 %tmp2 = getelementptr inbounds [2 x i32], [2 x i32] addrspace(5)* %tmp, i32 0, i32 1
271 store i32 0, i32 addrspace(5)* %tmp1
272 store i32 1, i32 addrspace(5)* %tmp2
273 %cmp = icmp eq i32 %in, 0
274 %sel = select i1 %cmp, i32 addrspace(5)* %tmp1, i32 addrspace(5)* %tmp2
275 %load = load i32, i32 addrspace(5)* %sel
276 store i32 %load, i32 addrspace(1)* %out
280 ; AMDGPUPromoteAlloca does not know how to handle ptrtoint. When it
281 ; finds one, it should stop trying to promote.
283 ; FUNC-LABEL: ptrtoint:
285 ; SI: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen
286 ; SI: buffer_load_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], s{{[0-9]+}} offen ;
287 define amdgpu_kernel void @ptrtoint(i32 addrspace(1)* %out, i32 %a, i32 %b) #0 {
288 %alloca = alloca [16 x i32], addrspace(5)
289 %tmp0 = getelementptr inbounds [16 x i32], [16 x i32] addrspace(5)* %alloca, i32 0, i32 %a
290 store i32 5, i32 addrspace(5)* %tmp0
291 %tmp1 = ptrtoint [16 x i32] addrspace(5)* %alloca to i32
292 %tmp2 = add i32 %tmp1, 5
293 %tmp3 = inttoptr i32 %tmp2 to i32 addrspace(5)*
294 %tmp4 = getelementptr inbounds i32, i32 addrspace(5)* %tmp3, i32 %b
295 %tmp5 = load i32, i32 addrspace(5)* %tmp4
296 store i32 %tmp5, i32 addrspace(1)* %out
300 ; OPT: !0 = !{i32 0, i32 257}
301 ; OPT: !1 = !{i32 0, i32 256}
303 attributes #0 = { nounwind "amdgpu-waves-per-eu"="1,2" }