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
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
target datalayout = "E-p:64:64:64-p1:16:16:16-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
; Simple case, argument translatable without changing the value
declare void @test1a(ptr)
define void @test1(ptr %A) {
; CHECK-LABEL: define void @test1
; CHECK-SAME: (ptr [[A:%.*]]) {
; CHECK-NEXT: call void @test1a(ptr [[A]])
; CHECK-NEXT: ret void
;
call void @test1a( ptr %A )
ret void
}
; Should not do because of change in address space of the parameter
define void @test1_as1_illegal(ptr addrspace(1) %A) {
; CHECK-LABEL: define void @test1_as1_illegal
; CHECK-SAME: (ptr addrspace(1) [[A:%.*]]) {
; CHECK-NEXT: call void @test1a(ptr addrspace(1) [[A]])
; CHECK-NEXT: ret void
;
call void @test1a(ptr addrspace(1) %A)
ret void
}
; Test1, but the argument has a different sized address-space
declare void @test1a_as1(ptr addrspace(1))
; This one is OK to perform
define void @test1_as1(ptr addrspace(1) %A) {
; CHECK-LABEL: define void @test1_as1
; CHECK-SAME: (ptr addrspace(1) [[A:%.*]]) {
; CHECK-NEXT: call void @test1a_as1(ptr addrspace(1) [[A]])
; CHECK-NEXT: ret void
;
call void @test1a_as1(ptr addrspace(1) %A )
ret void
}
; More complex case, translate argument because of resolution. This is safe
; because we have the body of the function
define void @test2a(i8 %A) {
; CHECK-LABEL: define void @test2a
; CHECK-SAME: (i8 [[A:%.*]]) {
; CHECK-NEXT: ret void
;
ret void
}
define i32 @test2(i32 %A) {
; CHECK-LABEL: define i32 @test2
; CHECK-SAME: (i32 [[A:%.*]]) {
; CHECK-NEXT: call void @test2a(i32 [[A]])
; CHECK-NEXT: ret i32 [[A]]
;
call void @test2a( i32 %A )
ret i32 %A
}
; Resolving this should insert a cast from sbyte to int, following the C
; promotion rules.
define void @test3a(i8, ...) {unreachable }
; CHECK-LABEL: define void @test3a
; CHECK-SAME: (i8 [[TMP0:%.*]], ...) {
; CHECK-NEXT: unreachable
;
define void @test3(i8 %A, i8 %B) {
call void @test3a( i8 %A, i8 %B)
ret void
}
; test conversion of return value...
define i8 @test4a() {
; CHECK-LABEL: define i8 @test4a() {
; CHECK-NEXT: ret i8 0
;
ret i8 0
}
define i32 @test4() {
; CHECK-LABEL: define i32 @test4() {
; CHECK-NEXT: [[X:%.*]] = call i32 @test4a()
; CHECK-NEXT: ret i32 [[X]]
;
%X = call i32 @test4a( ) ; <i32> [#uses=1]
ret i32 %X
}
; test conversion of return value... no value conversion occurs so we can do
; this with just a prototype...
declare i32 @test5a()
define i32 @test5() {
; CHECK-LABEL: define i32 @test5() {
; CHECK-NEXT: [[X:%.*]] = call i32 @test5a()
; CHECK-NEXT: ret i32 [[X]]
;
%X = call i32 @test5a( ) ; <i32> [#uses=1]
ret i32 %X
}
; test addition of new arguments...
declare i32 @test6a(i32)
define i32 @test6() {
; CHECK-LABEL: define i32 @test6() {
; CHECK-NEXT: [[X:%.*]] = call i32 @test6a(i32 0)
; CHECK-NEXT: ret i32 [[X]]
;
%X = call i32 @test6a( )
ret i32 %X
}
; test removal of arguments, only can happen with a function body
define void @test7a() {
; CHECK-LABEL: define void @test7a() {
; CHECK-NEXT: ret void
;
ret void
}
define void @test7() {
; CHECK-LABEL: define void @test7() {
; CHECK-NEXT: call void @test7a()
; CHECK-NEXT: ret void
;
call void @test7a( i32 5 )
ret void
}
; rdar://7590304
declare void @test8a()
define ptr @test8() personality ptr @__gxx_personality_v0 {
; CHECK-LABEL: define ptr @test8() personality ptr @__gxx_personality_v0 {
; CHECK-NEXT: invoke void @test8a()
; CHECK-NEXT: to label [[INVOKE_CONT:%.*]] unwind label [[TRY_HANDLER:%.*]]
; CHECK: invoke.cont:
; CHECK-NEXT: unreachable
; CHECK: try.handler:
; CHECK-NEXT: [[EXN:%.*]] = landingpad { ptr, i32 }
; CHECK-NEXT: cleanup
; CHECK-NEXT: ret ptr null
;
; Don't turn this into "unreachable": the callee and caller don't agree in
; calling conv, but the implementation of test8a may actually end up using the
; right calling conv.
invoke void @test8a()
to label %invoke.cont unwind label %try.handler
invoke.cont: ; preds = %entry
unreachable
try.handler: ; preds = %entry
%exn = landingpad {ptr, i32}
cleanup
ret ptr null
}
declare i32 @__gxx_personality_v0(...)
; Don't turn this into a direct call, because test9x is just a prototype and
; doing so will make it varargs.
; rdar://9038601
declare ptr @test9x(ptr, ptr, ...) noredzone
define ptr @test9(ptr %arg, ptr %tmp3) nounwind ssp noredzone {
; CHECK-LABEL: define ptr @test9
; CHECK-SAME: (ptr [[ARG:%.*]], ptr [[TMP3:%.*]]) #[[ATTR1:[0-9]+]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CALL:%.*]] = call ptr @test9x(ptr [[ARG]], ptr [[TMP3]]) #[[ATTR2:[0-9]+]]
; CHECK-NEXT: ret ptr [[CALL]]
;
entry:
%call = call ptr @test9x(ptr %arg, ptr %tmp3) noredzone
ret ptr %call
}
; Parameter that's a vector of pointers
declare void @test10a(<2 x ptr>)
define void @test10(<2 x ptr> %A) {
; CHECK-LABEL: define void @test10
; CHECK-SAME: (<2 x ptr> [[A:%.*]]) {
; CHECK-NEXT: call void @test10a(<2 x ptr> [[A]])
; CHECK-NEXT: ret void
;
call void @test10a(<2 x ptr> %A)
ret void
}
; Don't transform because different address spaces
declare void @test10a_mixed_as(<2 x ptr addrspace(1)>)
define void @test10_mixed_as(<2 x ptr> %A) {
; CHECK-LABEL: define void @test10_mixed_as
; CHECK-SAME: (<2 x ptr> [[A:%.*]]) {
; CHECK-NEXT: call void @test10a_mixed_as(<2 x ptr> [[A]])
; CHECK-NEXT: ret void
;
call void @test10a_mixed_as(<2 x ptr> %A)
ret void
}
; Return type that's a pointer
define ptr @test11a() {
; CHECK-LABEL: define ptr @test11a() {
; CHECK-NEXT: ret ptr null
;
ret ptr zeroinitializer
}
define ptr @test11() {
; CHECK-LABEL: define ptr @test11() {
; CHECK-NEXT: [[X:%.*]] = call ptr @test11a()
; CHECK-NEXT: ret ptr [[X]]
;
%X = call ptr @test11a()
ret ptr %X
}
; Return type that's a pointer with a different address space
define ptr addrspace(1) @test11a_mixed_as() {
; CHECK-LABEL: define ptr addrspace(1) @test11a_mixed_as() {
; CHECK-NEXT: ret ptr addrspace(1) null
;
ret ptr addrspace(1) zeroinitializer
}
define ptr @test11_mixed_as() {
; CHECK-LABEL: define ptr @test11_mixed_as() {
; CHECK-NEXT: [[X:%.*]] = call ptr @test11a_mixed_as()
; CHECK-NEXT: ret ptr [[X]]
;
%X = call ptr ()* @test11a_mixed_as()
ret ptr %X
}
; Return type that's a vector of pointers
define <2 x ptr> @test12a() {
; CHECK-LABEL: define <2 x ptr> @test12a() {
; CHECK-NEXT: ret <2 x ptr> zeroinitializer
;
ret <2 x ptr> zeroinitializer
}
define <2 x ptr> @test12() {
; CHECK-LABEL: define <2 x ptr> @test12() {
; CHECK-NEXT: [[X:%.*]] = call <2 x ptr> @test12a()
; CHECK-NEXT: ret <2 x ptr> [[X]]
;
%X = call <2 x ptr> @test12a()
ret <2 x ptr> %X
}
define <2 x ptr addrspace(1)> @test12a_mixed_as() {
; CHECK-LABEL: define <2 x ptr addrspace(1)> @test12a_mixed_as() {
; CHECK-NEXT: ret <2 x ptr addrspace(1)> zeroinitializer
;
ret <2 x ptr addrspace(1)> zeroinitializer
}
define <2 x ptr> @test12_mixed_as() {
; CHECK-LABEL: define <2 x ptr> @test12_mixed_as() {
; CHECK-NEXT: [[X:%.*]] = call <2 x ptr> @test12a_mixed_as()
; CHECK-NEXT: ret <2 x ptr> [[X]]
;
%X = call <2 x ptr> @test12a_mixed_as()
ret <2 x ptr> %X
}
; Mix parameter that's a vector of integers and pointers of the same size
declare void @test13a(<2 x i64>)
define void @test13(<2 x ptr> %A) {
; CHECK-LABEL: define void @test13
; CHECK-SAME: (<2 x ptr> [[A:%.*]]) {
; CHECK-NEXT: call void @test13a(<2 x ptr> [[A]])
; CHECK-NEXT: ret void
;
call void @test13a(<2 x ptr> %A)
ret void
}
; Mix parameter that's a vector of integers and pointers of the same
; size, but the other way around
declare void @test14a(<2 x ptr>)
define void @test14(<2 x i64> %A) {
; CHECK-LABEL: define void @test14
; CHECK-SAME: (<2 x i64> [[A:%.*]]) {
; CHECK-NEXT: call void @test14a(<2 x i64> [[A]])
; CHECK-NEXT: ret void
;
call void @test14a(<2 x i64> %A)
ret void
}
; Return type that's a vector
define <2 x i16> @test15a() {
; CHECK-LABEL: define <2 x i16> @test15a() {
; CHECK-NEXT: ret <2 x i16> zeroinitializer
;
ret <2 x i16> zeroinitializer
}
define i32 @test15() {
; CHECK-LABEL: define i32 @test15() {
; CHECK-NEXT: [[X:%.*]] = call <2 x i16> @test15a()
; CHECK-NEXT: [[TMP1:%.*]] = bitcast <2 x i16> [[X]] to i32
; CHECK-NEXT: ret i32 [[TMP1]]
;
%X = call i32 @test15a( )
ret i32 %X
}
define i32 @test16a() {
; CHECK-LABEL: define i32 @test16a() {
; CHECK-NEXT: ret i32 0
;
ret i32 0
}
define <2 x i16> @test16() {
; CHECK-LABEL: define <2 x i16> @test16() {
; CHECK-NEXT: [[X:%.*]] = call i32 @test16a()
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32 [[X]] to <2 x i16>
; CHECK-NEXT: ret <2 x i16> [[TMP1]]
;
%X = call <2 x i16> @test16a( )
ret <2 x i16> %X
}
declare i32 @pr28655(i32 returned %V)
define i32 @test17() {
; CHECK-LABEL: define i32 @test17() {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C:%.*]] = call i32 @pr28655(i32 0)
; CHECK-NEXT: ret i32 0
;
entry:
%C = call i32 @pr28655(i32 0)
ret i32 %C
}
define void @non_vararg(ptr, i32) {
; CHECK-LABEL: define void @non_vararg
; CHECK-SAME: (ptr [[TMP0:%.*]], i32 [[TMP1:%.*]]) {
; CHECK-NEXT: ret void
;
ret void
}
define void @test_cast_to_vararg(ptr %this) {
; CHECK-LABEL: define void @test_cast_to_vararg
; CHECK-SAME: (ptr [[THIS:%.*]]) {
; CHECK-NEXT: call void @non_vararg(ptr [[THIS]], i32 42)
; CHECK-NEXT: ret void
;
call void (ptr, ...) @non_vararg(ptr %this, i32 42)
ret void
}
|
