1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s
; A collection of tests for exercising the base inference logic in the
; findBasePointers. That is, the logic which proves a potentially derived
; pointer is actually a base pointer itself.
define ptr addrspace(1) @test(ptr addrspace(1) %a) gc "statepoint-example" {
; CHECK-LABEL: @test(
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(ptr addrspace(1) [[A:%.*]]) ]
; CHECK-NEXT: [[A_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: ret ptr addrspace(1) [[A_RELOCATED]]
;
call void @foo()
ret ptr addrspace(1) %a
}
define ptr addrspace(1) @test_select(i1 %c, ptr addrspace(1) %a1, ptr addrspace(1) %a2) gc "statepoint-example" {
; CHECK-LABEL: @test_select(
; CHECK-NEXT: [[SEL:%.*]] = select i1 [[C:%.*]], ptr addrspace(1) [[A1:%.*]], ptr addrspace(1) [[A2:%.*]]
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(ptr addrspace(1) [[SEL]]) ]
; CHECK-NEXT: [[SEL_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: ret ptr addrspace(1) [[SEL_RELOCATED]]
;
%sel = select i1 %c, ptr addrspace(1) %a1, ptr addrspace(1) %a2
call void @foo()
ret ptr addrspace(1) %sel
}
define ptr addrspace(1) @test_phi1(i1 %c, ptr addrspace(1) %a1, ptr addrspace(1) %a2) gc "statepoint-example" {
; CHECK-LABEL: @test_phi1(
; CHECK-NEXT: entry:
; CHECK-NEXT: br i1 [[C:%.*]], label [[TAKEN:%.*]], label [[UNTAKEN:%.*]]
; CHECK: taken:
; CHECK-NEXT: br label [[MERGE:%.*]]
; CHECK: untaken:
; CHECK-NEXT: br label [[MERGE]]
; CHECK: merge:
; CHECK-NEXT: [[PHI:%.*]] = phi ptr addrspace(1) [ [[A1:%.*]], [[TAKEN]] ], [ [[A2:%.*]], [[UNTAKEN]] ]
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(ptr addrspace(1) [[PHI]]) ]
; CHECK-NEXT: [[PHI_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: ret ptr addrspace(1) [[PHI_RELOCATED]]
;
entry:
br i1 %c, label %taken, label %untaken
taken:
br label %merge
untaken:
br label %merge
merge:
%phi = phi ptr addrspace(1) [%a1, %taken], [%a2, %untaken]
call void @foo()
ret ptr addrspace(1) %phi
}
define ptr addrspace(1) @test_phi_lcssa(i1 %c, ptr addrspace(1) %a1, ptr addrspace(1) %a2) gc "statepoint-example" {
; CHECK-LABEL: @test_phi_lcssa(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[MERGE:%.*]]
; CHECK: merge:
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(ptr addrspace(1) [[A1:%.*]]) ]
; CHECK-NEXT: [[A1_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: ret ptr addrspace(1) [[A1_RELOCATED]]
;
entry:
br label %merge
merge:
%phi = phi ptr addrspace(1) [%a1, %entry]
call void @foo()
ret ptr addrspace(1) %phi
}
define ptr addrspace(1) @test_loop1(i1 %c, ptr addrspace(1) %a1, ptr addrspace(1) %a2) gc "statepoint-example" {
; CHECK-LABEL: @test_loop1(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[PHI:%.*]] = phi ptr addrspace(1) [ [[A1:%.*]], [[ENTRY:%.*]] ], [ [[A2:%.*]], [[LOOP]] ]
; CHECK-NEXT: br i1 [[C:%.*]], label [[EXIT:%.*]], label [[LOOP]]
; CHECK: exit:
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(ptr addrspace(1) [[PHI]]) ]
; CHECK-NEXT: [[PHI_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: ret ptr addrspace(1) [[PHI_RELOCATED]]
;
entry:
br label %loop
loop:
%phi = phi ptr addrspace(1) [%a1, %entry], [%a2, %loop]
br i1 %c, label %exit, label %loop
exit:
%phi2 = phi ptr addrspace(1) [%phi, %loop]
call void @foo()
ret ptr addrspace(1) %phi2
}
define ptr addrspace(1) @test_loop2(i1 %c, ptr addrspace(1) %a1) gc "statepoint-example" {
; CHECK-LABEL: @test_loop2(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[PHI:%.*]] = phi ptr addrspace(1) [ [[A1:%.*]], [[ENTRY:%.*]] ], [ [[O2:%.*]], [[LOOP]] ]
; CHECK-NEXT: [[O2]] = load ptr addrspace(1), ptr addrspace(1) [[PHI]], align 8
; CHECK-NEXT: br i1 [[C:%.*]], label [[EXIT:%.*]], label [[LOOP]]
; CHECK: exit:
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(ptr addrspace(1) [[PHI]]) ]
; CHECK-NEXT: [[PHI_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: ret ptr addrspace(1) [[PHI_RELOCATED]]
;
entry:
br label %loop
loop:
%phi = phi ptr addrspace(1) [%a1, %entry], [%o2, %loop]
%o2 = load ptr addrspace(1), ptr addrspace(1) %phi
br i1 %c, label %exit, label %loop
exit:
%phi2 = phi ptr addrspace(1) [%phi, %loop]
call void @foo()
ret ptr addrspace(1) %phi2
}
; %phi1 and phi2 are not base pointers, but they do have a single
; base pointer which is %a1
define ptr addrspace(1) @test_loop3(i1 %c, ptr addrspace(1) %a1) gc "statepoint-example" {
; CHECK-LABEL: @test_loop3(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[PHI:%.*]] = phi ptr addrspace(1) [ [[A1:%.*]], [[ENTRY:%.*]] ], [ [[GEP:%.*]], [[LOOP]] ]
; CHECK-NEXT: [[GEP]] = getelementptr i8, ptr addrspace(1) [[PHI]], i64 16
; CHECK-NEXT: br i1 [[C:%.*]], label [[EXIT:%.*]], label [[LOOP]]
; CHECK: exit:
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(ptr addrspace(1) [[PHI]], ptr addrspace(1) [[A1]]) ]
; CHECK-NEXT: [[PHI_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
; CHECK-NEXT: [[A1_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
; CHECK-NEXT: ret ptr addrspace(1) [[PHI_RELOCATED]]
;
entry:
br label %loop
loop:
%phi = phi ptr addrspace(1) [%a1, %entry], [%gep, %loop]
%gep = getelementptr i8, ptr addrspace(1) %phi, i64 16
br i1 %c, label %exit, label %loop
exit:
%phi2 = phi ptr addrspace(1) [%phi, %loop]
call void @foo()
ret ptr addrspace(1) %phi2
}
define <2 x ptr addrspace(1)> @test_vec_passthrough(<2 x ptr addrspace(1)> %a) gc "statepoint-example" {
; CHECK-LABEL: @test_vec_passthrough(
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(<2 x ptr addrspace(1)> [[A:%.*]]) ]
; CHECK-NEXT: [[A_RELOCATED:%.*]] = call coldcc <2 x ptr addrspace(1)> @llvm.experimental.gc.relocate.v2p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: ret <2 x ptr addrspace(1)> [[A_RELOCATED]]
;
call void @foo()
ret <2 x ptr addrspace(1)> %a
}
define <2 x ptr addrspace(1)> @test_insert(ptr addrspace(1) %a) gc "statepoint-example" {
; CHECK-LABEL: @test_insert(
; CHECK-NEXT: [[VEC:%.*]] = insertelement <2 x ptr addrspace(1)> zeroinitializer, ptr addrspace(1) [[A:%.*]], i64 0
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(<2 x ptr addrspace(1)> [[VEC]]) ]
; CHECK-NEXT: [[VEC_RELOCATED:%.*]] = call coldcc <2 x ptr addrspace(1)> @llvm.experimental.gc.relocate.v2p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: ret <2 x ptr addrspace(1)> [[VEC_RELOCATED]]
;
%vec = insertelement <2 x ptr addrspace(1)> zeroinitializer, ptr addrspace(1) %a, i64 0
call void @foo()
ret <2 x ptr addrspace(1)> %vec
}
define ptr addrspace(1) @test_extract(<2 x ptr addrspace(1)> %a) gc "statepoint-example" {
; CHECK-LABEL: @test_extract(
; CHECK-NEXT: [[EE:%.*]] = extractelement <2 x ptr addrspace(1)> [[A:%.*]], i64 0
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(ptr addrspace(1) [[EE]]) ]
; CHECK-NEXT: [[EE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: ret ptr addrspace(1) [[EE_RELOCATED]]
;
%ee = extractelement <2 x ptr addrspace(1)> %a, i64 0
call void @foo()
ret ptr addrspace(1) %ee
}
define <2 x ptr addrspace(1)> @test_shuffle(<2 x ptr addrspace(1)> %a1) gc "statepoint-example" {
; CHECK-LABEL: @test_shuffle(
; CHECK-NEXT: [[RES:%.*]] = shufflevector <2 x ptr addrspace(1)> [[A1:%.*]], <2 x ptr addrspace(1)> [[A1]], <2 x i32> zeroinitializer
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(<2 x ptr addrspace(1)> [[RES]]) ]
; CHECK-NEXT: [[RES_RELOCATED:%.*]] = call coldcc <2 x ptr addrspace(1)> @llvm.experimental.gc.relocate.v2p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: ret <2 x ptr addrspace(1)> [[RES_RELOCATED]]
;
%res = shufflevector <2 x ptr addrspace(1)> %a1, <2 x ptr addrspace(1)> %a1, <2 x i32> zeroinitializer
call void @foo()
ret <2 x ptr addrspace(1)> %res
}
define <2 x ptr addrspace(1)> @test_shuffle2(<2 x ptr addrspace(1)> %a1, <2 x ptr addrspace(1)> %a2) gc "statepoint-example" {
; CHECK-LABEL: @test_shuffle2(
; CHECK-NEXT: [[RES:%.*]] = shufflevector <2 x ptr addrspace(1)> [[A1:%.*]], <2 x ptr addrspace(1)> [[A2:%.*]], <2 x i32> zeroinitializer
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(<2 x ptr addrspace(1)> [[RES]]) ]
; CHECK-NEXT: [[RES_RELOCATED:%.*]] = call coldcc <2 x ptr addrspace(1)> @llvm.experimental.gc.relocate.v2p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: ret <2 x ptr addrspace(1)> [[RES_RELOCATED]]
;
%res = shufflevector <2 x ptr addrspace(1)> %a1, <2 x ptr addrspace(1)> %a2, <2 x i32> zeroinitializer
call void @foo()
ret <2 x ptr addrspace(1)> %res
}
define <4 x ptr addrspace(1)> @test_shuffle_concat(<2 x ptr addrspace(1)> %a1, <2 x ptr addrspace(1)> %a2) gc "statepoint-example" {
; CHECK-LABEL: @test_shuffle_concat(
; CHECK-NEXT: [[RES:%.*]] = shufflevector <2 x ptr addrspace(1)> [[A1:%.*]], <2 x ptr addrspace(1)> [[A2:%.*]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(<4 x ptr addrspace(1)> [[RES]]) ]
; CHECK-NEXT: [[RES_RELOCATED:%.*]] = call coldcc <4 x ptr addrspace(1)> @llvm.experimental.gc.relocate.v4p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: ret <4 x ptr addrspace(1)> [[RES_RELOCATED]]
;
%res = shufflevector <2 x ptr addrspace(1)> %a1, <2 x ptr addrspace(1)> %a2, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
call void @foo()
ret <4 x ptr addrspace(1)> %res
}
; TODO: Special case worth handling - we interpret the shuffle as if we need
; to select the base pointers from either input when the mask is known.
define <2 x ptr addrspace(1)> @test_shuffle_broadcast(ptr addrspace(1) %a) gc "statepoint-example" {
; CHECK-LABEL: @test_shuffle_broadcast(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[IE:%.*]] = insertelement <2 x ptr addrspace(1)> zeroinitializer, ptr addrspace(1) [[A:%.*]], i64 0
; CHECK-NEXT: [[BROADCAST:%.*]] = shufflevector <2 x ptr addrspace(1)> [[IE]], <2 x ptr addrspace(1)> undef, <2 x i32> zeroinitializer
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(<2 x ptr addrspace(1)> [[BROADCAST]]) ]
; CHECK-NEXT: [[BROADCAST_RELOCATED:%.*]] = call coldcc <2 x ptr addrspace(1)> @llvm.experimental.gc.relocate.v2p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: ret <2 x ptr addrspace(1)> [[BROADCAST_RELOCATED]]
;
entry:
%ie = insertelement <2 x ptr addrspace(1)> zeroinitializer, ptr addrspace(1) %a, i64 0
%broadcast = shufflevector <2 x ptr addrspace(1)> %ie, <2 x ptr addrspace(1)> undef, <2 x i32> zeroinitializer
call void @foo()
ret <2 x ptr addrspace(1)> %broadcast
}
; Show a case where only a portion of the sub-graph propagates base pointers.
define i8 @test_subgraph(i1 %c, ptr addrspace(1) %a1, ptr addrspace(1) %a2) gc "statepoint-example" {
; CHECK-LABEL: @test_subgraph(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SEL:%.*]] = select i1 [[C:%.*]], ptr addrspace(1) [[A1:%.*]], ptr addrspace(1) [[A2:%.*]]
; CHECK-NEXT: br i1 [[C]], label [[TAKEN:%.*]], label [[MERGE:%.*]]
; CHECK: taken:
; CHECK-NEXT: [[GEP:%.*]] = getelementptr i8, ptr addrspace(1) [[SEL]], i64 8
; CHECK-NEXT: br label [[MERGE]]
; CHECK: merge:
; CHECK-NEXT: [[PHI:%.*]] = phi ptr addrspace(1) [ [[GEP]], [[TAKEN]] ], [ [[SEL]], [[ENTRY:%.*]] ]
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(ptr addrspace(1) [[PHI]], ptr addrspace(1) [[SEL]]) ]
; CHECK-NEXT: [[PHI_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
; CHECK-NEXT: [[SEL_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
; CHECK-NEXT: [[RES:%.*]] = load i8, ptr addrspace(1) [[PHI_RELOCATED]], align 1
; CHECK-NEXT: ret i8 [[RES]]
;
entry:
%sel = select i1 %c, ptr addrspace(1) %a1, ptr addrspace(1) %a2
br i1 %c, label %taken, label %merge
taken:
%gep = getelementptr i8, ptr addrspace(1) %sel, i64 8
br label %merge
merge:
%phi = phi ptr addrspace(1) [%gep, %taken], [%sel, %entry]
call void @foo()
%res = load i8, ptr addrspace(1) %phi
ret i8 %res
}
; An example of a non-trivial subgraph computing base pointers.
define i8 @test_subgraph2(i1 %c, ptr addrspace(1) %a1, ptr addrspace(1) %a2) gc "statepoint-example" {
; CHECK-LABEL: @test_subgraph2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SEL:%.*]] = select i1 [[C:%.*]], ptr addrspace(1) [[A1:%.*]], ptr addrspace(1) [[A2:%.*]]
; CHECK-NEXT: [[IE:%.*]] = insertelement <2 x ptr addrspace(1)> zeroinitializer, ptr addrspace(1) [[SEL]], i64 0
; CHECK-NEXT: [[BROADCAST:%.*]] = shufflevector <2 x ptr addrspace(1)> [[IE]], <2 x ptr addrspace(1)> [[IE]], <2 x i32> zeroinitializer
; CHECK-NEXT: [[EE:%.*]] = extractelement <2 x ptr addrspace(1)> [[BROADCAST]], i32 1
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(ptr addrspace(1) [[EE]]) ]
; CHECK-NEXT: [[EE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 0, i32 0)
; CHECK-NEXT: [[RES:%.*]] = load i8, ptr addrspace(1) [[EE_RELOCATED]], align 1
; CHECK-NEXT: ret i8 [[RES]]
;
entry:
%sel = select i1 %c, ptr addrspace(1) %a1, ptr addrspace(1) %a2
%ie = insertelement <2 x ptr addrspace(1)> zeroinitializer, ptr addrspace(1) %sel, i64 0
%broadcast = shufflevector <2 x ptr addrspace(1)> %ie, <2 x ptr addrspace(1)> %ie, <2 x i32> zeroinitializer
%ee = extractelement <2 x ptr addrspace(1)> %broadcast, i32 1
call void @foo()
%res = load i8, ptr addrspace(1) %ee
ret i8 %res
}
declare void @foo()
|
