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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature
2; RUN: opt -S -openmpopt < %s | FileCheck %s
3; RUN: opt -S -passes=openmpopt < %s | FileCheck %s
4
5%struct.ident_t = type { i32, i32, i32, i32, i8* }
6
7@.str = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1
8@0 = private unnamed_addr global %struct.ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i32 0, i32 0) }, align 8
9
10; doesn't modify any ICVs.
11define i32 @icv_free_use(i32 %0) {
12; CHECK-LABEL: define {{[^@]+}}@icv_free_use
13; CHECK-SAME: (i32 [[TMP0:%.*]])
14; CHECK-NEXT:    [[TMP2:%.*]] = add nsw i32 [[TMP0]], 1
15; CHECK-NEXT:    ret i32 [[TMP2]]
16;
17  %2 = add nsw i32 %0, 1
18  ret i32 %2
19}
20
21define i32 @bad_use(i32 %0) {
22; CHECK-LABEL: define {{[^@]+}}@bad_use
23; CHECK-SAME: (i32 [[TMP0:%.*]])
24; CHECK-NEXT:    tail call void @use(i32 [[TMP0]])
25; CHECK-NEXT:    [[TMP2:%.*]] = add nsw i32 [[TMP0]], 1
26; CHECK-NEXT:    ret i32 [[TMP2]]
27;
28  tail call void @use(i32 %0)
29  %2 = add nsw i32 %0, 1
30  ret i32 %2
31}
32
33define void @indirect_call(void ()* %0) {
34; CHECK-LABEL: define {{[^@]+}}@indirect_call
35; CHECK-SAME: (void ()* [[TMP0:%.*]])
36; CHECK-NEXT:    call void @omp_set_num_threads(i32 4)
37; CHECK-NEXT:    tail call void [[TMP0]]()
38; CHECK-NEXT:    [[TMP2:%.*]] = tail call i32 @omp_get_max_threads()
39; CHECK-NEXT:    tail call void @use(i32 [[TMP2]])
40; CHECK-NEXT:    ret void
41  call void @omp_set_num_threads(i32 4)
42  tail call void %0()
43  %2 = tail call i32 @omp_get_max_threads()
44  tail call void @use(i32 %2)
45  ret void
46}
47
48define dso_local i32 @foo(i32 %0, i32 %1) {
49; CHECK-LABEL: define {{[^@]+}}@foo
50; CHECK-SAME: (i32 [[TMP0:%.*]], i32 [[TMP1:%.*]])
51; CHECK-NEXT:    tail call void @omp_set_num_threads(i32 [[TMP0]])
52; CHECK-NEXT:    tail call void @omp_set_num_threads(i32 [[TMP1]])
53; CHECK-NEXT:    tail call void @use(i32 [[TMP1]])
54; CHECK-NEXT:    tail call void @use(i32 [[TMP1]])
55; CHECK-NEXT:    tail call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* nonnull @0, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @.omp_outlined. to void (i32*, i32*, ...)*))
56; CHECK-NEXT:    [[TMP3:%.*]] = tail call i32 @omp_get_max_threads()
57; CHECK-NEXT:    tail call void @use(i32 [[TMP3]])
58; CHECK-NEXT:    ret i32 0
59;
60  tail call void @omp_set_num_threads(i32 %0)
61  %3 = tail call i32 @omp_get_max_threads()
62; FIXME: this value should be tracked and the rest of the getters deduplicated and replaced with it.
63  tail call void @omp_set_num_threads(i32 %1)
64  %4 = tail call i32 @omp_get_max_threads()
65  %5 = tail call i32 @omp_get_max_threads()
66  %6 = tail call i32 @omp_get_max_threads()
67  tail call void @use(i32 %4)
68  tail call void @use(i32 %5)
69  tail call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* nonnull @0, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @.omp_outlined. to void (i32*, i32*, ...)*))
70  %7 = tail call i32 @omp_get_max_threads()
71  tail call void @use(i32 %7)
72  ret i32 0
73}
74
75declare dso_local void @omp_set_num_threads(i32)
76
77declare dso_local i32 @omp_get_max_threads()
78
79declare dso_local void @use(i32)
80
81define internal void @.omp_outlined.(i32* %0, i32* %1) {
82; CHECK-LABEL: define {{[^@]+}}@.omp_outlined.
83; CHECK-SAME: (i32* [[TMP0:%.*]], i32* [[TMP1:%.*]])
84; CHECK-NEXT:    [[TMP3:%.*]] = tail call i32 @omp_get_max_threads()
85; CHECK-NEXT:    [[TMP4:%.*]] = tail call i32 @omp_get_max_threads()
86; CHECK-NEXT:    tail call void @use(i32 [[TMP4]])
87; CHECK-NEXT:    tail call void @omp_set_num_threads(i32 10)
88; CHECK-NEXT:    tail call void @use(i32 10)
89; CHECK-NEXT:    ret void
90;
91; FIXME: this value should be tracked and the rest of the getters deduplicated and replaced with it.
92  %3 = tail call i32 @omp_get_max_threads()
93  %4 = tail call i32 @omp_get_max_threads()
94  tail call void @use(i32 %4)
95  tail call void @omp_set_num_threads(i32 10)
96  %5 = tail call i32 @omp_get_max_threads()
97  tail call void @use(i32 %5)
98  ret void
99}
100
101declare !callback !0 void @__kmpc_fork_call(%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...)
102
103define dso_local i32 @bar(i32 %0, i32 %1) {
104; CHECK-LABEL: define {{[^@]+}}@bar
105; CHECK-SAME: (i32 [[TMP0:%.*]], i32 [[TMP1:%.*]])
106; CHECK-NEXT:    [[TMP3:%.*]] = icmp sgt i32 [[TMP0]], [[TMP1]]
107; CHECK-NEXT:    [[TMP4:%.*]] = select i1 [[TMP3]], i32 [[TMP0]], i32 [[TMP1]]
108; CHECK-NEXT:    tail call void @omp_set_num_threads(i32 [[TMP4]])
109; CHECK-NEXT:    tail call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* nonnull @0, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @.omp_outlined..1 to void (i32*, i32*, ...)*))
110; CHECK-NEXT:    [[TMP5:%.*]] = tail call i32 @omp_get_max_threads()
111; CHECK-NEXT:    tail call void @use(i32 [[TMP5]])
112; CHECK-NEXT:    ret i32 0
113;
114  %3 = icmp sgt i32 %0, %1
115  %4 = select i1 %3, i32 %0, i32 %1
116; FIXME: getters can be replaced with %4
117  tail call void @omp_set_num_threads(i32 %4)
118  %5 = tail call i32 @omp_get_max_threads()
119  tail call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* nonnull @0, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @.omp_outlined..1 to void (i32*, i32*, ...)*))
120  %6 = tail call i32 @omp_get_max_threads()
121  tail call void @use(i32 %6)
122  ret i32 0
123}
124
125define internal void @.omp_outlined..1(i32* %0, i32*  %1) {
126; CHECK-LABEL: define {{[^@]+}}@.omp_outlined..1
127; CHECK-SAME: (i32* [[TMP0:%.*]], i32* [[TMP1:%.*]])
128; CHECK-NEXT:    [[TMP3:%.*]] = tail call i32 @omp_get_max_threads()
129; CHECK-NEXT:    tail call void @use(i32 [[TMP3]])
130; CHECK-NEXT:    tail call void @omp_set_num_threads(i32 10)
131; CHECK-NEXT:    tail call void @use(i32 10)
132; CHECK-NEXT:    [[TMP4:%.*]] = tail call i32 @omp_get_max_threads()
133; CHECK-NEXT:    tail call void @use(i32 [[TMP4]])
134; CHECK-NEXT:    ret void
135;
136  %3 = tail call i32 @omp_get_max_threads()
137  tail call void @use(i32 %3)
138  tail call void @omp_set_num_threads(i32 10)
139  %4 = tail call i32 @omp_get_max_threads()
140  tail call void @use(i32 %4)
141  %5 = tail call i32 @omp_get_max_threads()
142  tail call void @use(i32 %5)
143  ret void
144}
145
146define dso_local i32 @bar1(i32 %0, i32 %1) {
147; CHECK-LABEL: define {{[^@]+}}@bar1
148; CHECK-SAME: (i32 [[TMP0:%.*]], i32 [[TMP1:%.*]])
149; CHECK-NEXT:    [[TMP3:%.*]] = icmp sgt i32 [[TMP0]], [[TMP1]]
150; CHECK-NEXT:    [[TMP4:%.*]] = select i1 [[TMP3]], i32 [[TMP0]], i32 [[TMP1]]
151; CHECK-NEXT:    tail call void @omp_set_num_threads(i32 [[TMP4]])
152; CHECK-NEXT:    tail call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* nonnull @0, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @.omp_outlined..2 to void (i32*, i32*, ...)*))
153; CHECK-NEXT:    [[TMP5:%.*]] = tail call i32 @omp_get_max_threads()
154; CHECK-NEXT:    tail call void @use(i32 [[TMP5]])
155; CHECK-NEXT:    ret i32 0
156;
157  %3 = icmp sgt i32 %0, %1
158  %4 = select i1 %3, i32 %0, i32 %1
159  tail call void @omp_set_num_threads(i32 %4)
160  %5 = tail call i32 @omp_get_max_threads()
161  tail call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* nonnull @0, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @.omp_outlined..2 to void (i32*, i32*, ...)*))
162  %6 = tail call i32 @omp_get_max_threads()
163  tail call void @use(i32 %6)
164  ret i32 0
165}
166
167define internal void @.omp_outlined..2(i32* %0, i32*  %1) {
168; CHECK-LABEL: define {{[^@]+}}@.omp_outlined..2
169; CHECK-SAME: (i32* [[TMP0:%.*]], i32* [[TMP1:%.*]])
170; CHECK-NEXT:    [[TMP3:%.*]] = tail call i32 @omp_get_max_threads()
171; CHECK-NEXT:    [[TMP4:%.*]] = tail call i32 @icv_free_use(i32 [[TMP3]])
172; CHECK-NEXT:    tail call void @omp_set_num_threads(i32 10)
173; CHECK-NEXT:    [[TMP5:%.*]] = tail call i32 @icv_free_use(i32 10)
174; CHECK-NEXT:    [[TMP6:%.*]] = tail call i32 @icv_free_use(i32 10)
175; CHECK-NEXT:    ret void
176;
177  %3 = tail call i32 @omp_get_max_threads()
178  %4 = tail call i32 @icv_free_use(i32 %3)
179  tail call void @omp_set_num_threads(i32 10)
180  %5 = tail call i32 @omp_get_max_threads()
181  %6 = tail call i32 @icv_free_use(i32 %5)
182  %7 = tail call i32 @omp_get_max_threads()
183  %8 = tail call i32 @icv_free_use(i32 %7)
184  ret void
185}
186define void @test(i1 %0) {
187; CHECK-LABEL: define {{[^@]+}}@test
188; CHECK-SAME: (i1 [[TMP0:%.*]])
189; CHECK-NEXT:    call void @omp_set_num_threads(i32 2)
190; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i1 [[TMP0]], false
191; CHECK-NEXT:    br i1 [[TMP2]], label [[TMP4:%.*]], label [[TMP3:%.*]]
192; CHECK:       3:
193; CHECK-NEXT:    call void @use(i32 10)
194; CHECK-NEXT:    br label [[TMP4]]
195; CHECK:       4:
196; CHECK-NEXT:    [[TMP5:%.*]] = call i32 @omp_get_max_threads()
197; CHECK-NEXT:    call void @use(i32 [[TMP5]])
198; CHECK-NEXT:    ret void
199;
200  call void @omp_set_num_threads(i32 2)
201  %2 = icmp eq i1 %0, 0
202  br i1 %2, label %4, label %3
203
2043:                                                ; preds = %1
205  call void @use(i32 10)
206  br label %4
207
2084:                                                ; preds = %3, %1
209  %5 = call i32 @omp_get_max_threads()
210  call void @use(i32 %5)
211  ret void
212}
213
214define void @test1(i1 %0) {
215; CHECK-LABEL: define {{[^@]+}}@test1
216; CHECK-SAME: (i1 [[TMP0:%.*]])
217; CHECK-NEXT:    call void @omp_set_num_threads(i32 2)
218; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i1 [[TMP0]], false
219; CHECK-NEXT:    br i1 [[TMP2]], label [[TMP5:%.*]], label [[TMP3:%.*]]
220; CHECK:       3:
221; CHECK-NEXT:    [[TMP4:%.*]] = call i32 @icv_free_use(i32 10)
222; CHECK-NEXT:    br label [[TMP5]]
223; CHECK:       5:
224; CHECK-NEXT:    call void @use(i32 2)
225; CHECK-NEXT:    ret void
226;
227  call void @omp_set_num_threads(i32 2)
228  %2 = icmp eq i1 %0, 0
229  br i1 %2, label %5, label %3
230
2313:                                                ; preds = %1
232  %4 = call i32 @icv_free_use(i32 10)
233  br label %5
234
2355:                                                ; preds = %3, %1
236  %6 = call i32 @omp_get_max_threads()
237  call void @use(i32 %6)
238  ret void
239}
240
241define void @bad_use_test(i1 %0) {
242; CHECK-LABEL: define {{[^@]+}}@bad_use_test
243; CHECK-SAME: (i1 [[TMP0:%.*]])
244; CHECK-NEXT:    call void @omp_set_num_threads(i32 2)
245; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i1 [[TMP0]], false
246; CHECK-NEXT:    br i1 [[TMP2]], label [[TMP5:%.*]], label [[TMP3:%.*]]
247; CHECK:       3:
248; CHECK-NEXT:    [[TMP4:%.*]] = call i32 @bad_use(i32 10)
249; CHECK-NEXT:    br label [[TMP5]]
250; CHECK:       5:
251; CHECK-NEXT:    [[TMP6:%.*]] = call i32 @omp_get_max_threads()
252; CHECK-NEXT:    call void @use(i32 [[TMP6]])
253; CHECK-NEXT:    ret void
254;
255  call void @omp_set_num_threads(i32 2)
256  %2 = icmp eq i1 %0, 0
257  br i1 %2, label %5, label %3
258
2593:                                                ; preds = %1
260  %4 = call i32 @bad_use(i32 10)
261  br label %5
262
2635:                                                ; preds = %3, %1
264  %6 = call i32 @omp_get_max_threads()
265  call void @use(i32 %6)
266  ret void
267}
268
269define weak void @weak_known_unique_icv(i1 %0) {
270; CHECK-LABEL: define {{[^@]+}}@weak_known_unique_icv
271; CHECK-SAME: (i1 [[TMP0:%.*]])
272; CHECK-NEXT:    call void @omp_set_num_threads(i32 2)
273; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i1 [[TMP0]], false
274; CHECK-NEXT:    br i1 [[TMP2]], label [[TMP5:%.*]], label [[TMP3:%.*]]
275; CHECK:       3:
276; CHECK-NEXT:    [[TMP4:%.*]] = call i32 @icv_free_use(i32 10)
277; CHECK-NEXT:    br label [[TMP5]]
278; CHECK:       5:
279; CHECK-NEXT:    [[TMP6:%.*]] = call i32 @omp_get_max_threads()
280; CHECK-NEXT:    [[TMP7:%.*]] = call i32 @icv_free_use(i32 [[TMP6]])
281; CHECK-NEXT:    ret void
282;
283  call void @omp_set_num_threads(i32 2)
284  %2 = icmp eq i1 %0, 0
285  br i1 %2, label %5, label %3
286
2873:                                                ; preds = %1
288  %4 = call i32 @icv_free_use(i32 10)
289  br label %5
290
2915:                                                ; preds = %3, %1
292  %6 = call i32 @omp_get_max_threads()
293  %7 = call i32 @icv_free_use(i32 %6)
294  ret void
295}
296
297define void @known_unique_icv(i1 %0) {
298; CHECK-LABEL: define {{[^@]+}}@known_unique_icv
299; CHECK-SAME: (i1 [[TMP0:%.*]])
300; CHECK-NEXT:    call void @omp_set_num_threads(i32 2)
301; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i1 [[TMP0]], false
302; CHECK-NEXT:    br i1 [[TMP2]], label [[TMP5:%.*]], label [[TMP3:%.*]]
303; CHECK:       3:
304; CHECK-NEXT:    [[TMP4:%.*]] = call i32 @icv_free_use(i32 10)
305; CHECK-NEXT:    br label [[TMP5]]
306; CHECK:       5:
307; CHECK-NEXT:    [[TMP6:%.*]] = call i32 @icv_free_use(i32 2)
308; CHECK-NEXT:    ret void
309;
310  call void @omp_set_num_threads(i32 2)
311  %2 = icmp eq i1 %0, 0
312  br i1 %2, label %5, label %3
313
3143:                                                ; preds = %1
315  %4 = call i32 @icv_free_use(i32 10)
316  br label %5
317
3185:                                                ; preds = %3, %1
319  %6 = call i32 @omp_get_max_threads()
320  %7 = call i32 @icv_free_use(i32 %6)
321  ret void
322}
323
324define i32 @no_unique_icv(i1 %0) {
325; CHECK-LABEL: define {{[^@]+}}@no_unique_icv
326; CHECK-SAME: (i1 [[TMP0:%.*]])
327; CHECK-NEXT:    call void @omp_set_num_threads(i32 4)
328; CHECK-NEXT:    br i1 [[TMP0]], label [[TMP3:%.*]], label [[TMP2:%.*]]
329; CHECK:       2:
330; CHECK-NEXT:    call void @omp_set_num_threads(i32 2)
331; CHECK-NEXT:    br label [[TMP3]]
332; CHECK:       3:
333; CHECK-NEXT:    [[TMP4:%.*]] = call i32 @omp_get_max_threads()
334; CHECK-NEXT:    ret i32 [[TMP4]]
335;
336  call void @omp_set_num_threads(i32 4)
337  br i1 %0, label %3, label %2
338
3392:                                                ; preds = %1
340  call void @omp_set_num_threads(i32 2)
341  br label %3
342
3433:                                                ; preds = %1, %2
344  %4 = call i32 @omp_get_max_threads()
345  ret i32 %4
346}
347
348define void @test2(i1 %0) {
349; CHECK-LABEL: define {{[^@]+}}@test2
350; CHECK-SAME: (i1 [[TMP0:%.*]])
351; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i1 [[TMP0]], false
352; CHECK-NEXT:    br i1 [[TMP2]], label [[TMP4:%.*]], label [[TMP3:%.*]]
353; CHECK:       3:
354; CHECK-NEXT:    call void @omp_set_num_threads(i32 4)
355; CHECK-NEXT:    br label [[TMP4]]
356; CHECK:       4:
357; CHECK-NEXT:    [[TMP5:%.*]] = call i32 @omp_get_max_threads()
358; CHECK-NEXT:    call void @use(i32 [[TMP5]])
359; CHECK-NEXT:    ret void
360;
361  %2 = icmp eq i1 %0, 0
362  br i1 %2, label %4, label %3
363
3643:                                                ; preds = %1
365  call void @omp_set_num_threads(i32 4)
366  br label %4
367
3684:                                                ; preds = %3, %1
369  %5 = call i32 @omp_get_max_threads()
370  call void @use(i32 %5)
371  ret void
372}
373
374define void @test3(i1 %0) {
375; CHECK-LABEL: define {{[^@]+}}@test3
376; CHECK-SAME: (i1 [[TMP0:%.*]])
377; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i1 [[TMP0]], false
378; CHECK-NEXT:    br i1 [[TMP2]], label [[TMP4:%.*]], label [[TMP3:%.*]]
379; CHECK:       3:
380; CHECK-NEXT:    call void @omp_set_num_threads(i32 4)
381; CHECK-NEXT:    br label [[TMP4]]
382; CHECK:       4:
383; CHECK-NEXT:    call void @weak_known_unique_icv(i1 [[TMP0]])
384; CHECK-NEXT:    [[TMP5:%.*]] = call i32 @omp_get_max_threads()
385; CHECK-NEXT:    [[TMP6:%.*]] = call i32 @icv_free_use(i32 [[TMP5]])
386; CHECK-NEXT:    ret void
387;
388  %2 = icmp eq i1 %0, 0
389  br i1 %2, label %4, label %3
390
3913:                                                ; preds = %1
392  call void @omp_set_num_threads(i32 4)
393  br label %4
394
3954:                                                ; preds = %3, %1
396  call void @weak_known_unique_icv(i1 %0)
397  %5 = call i32 @omp_get_max_threads()
398  %6 = call i32 @icv_free_use(i32 %5)
399  ret void
400}
401
402declare void @__cxa_rethrow()
403
404define i32 @maybe_throw(i1 zeroext %0) {
405; CHECK-LABEL: define {{[^@]+}}@maybe_throw
406; CHECK-SAME: (i1 zeroext [[TMP0:%.*]])
407; CHECK-NEXT:    call void @omp_set_num_threads(i32 4)
408; CHECK-NEXT:    br i1 [[TMP0]], label [[TMP2:%.*]], label [[TMP3:%.*]]
409; CHECK:       2:
410; CHECK-NEXT:    tail call void @__cxa_rethrow()
411; CHECK-NEXT:    unreachable
412; CHECK:       3:
413; CHECK-NEXT:    ret i32 -1
414;
415  call void @omp_set_num_threads(i32 4)
416  br i1 %0, label %2, label %3
417
4182:                                                ; preds = %1
419  tail call void @__cxa_rethrow() #1
420  unreachable
421
4223:                                                ; preds = %1
423  ret i32 -1
424}
425
426define void @test4(i1 %0) {
427; CHECK-LABEL: define {{[^@]+}}@test4
428; CHECK-SAME: (i1 [[TMP0:%.*]])
429; CHECK-NEXT:    call void @known_unique_icv(i1 [[TMP0]])
430; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i1 [[TMP0]], false
431; CHECK-NEXT:    br i1 [[TMP2]], label [[TMP4:%.*]], label [[TMP3:%.*]]
432; CHECK:       3:
433; CHECK-NEXT:    [[VAL:%.*]] = call i32 @icv_free_use(i32 10)
434; CHECK-NEXT:    br label [[TMP4]]
435; CHECK:       4:
436; CHECK-NEXT:    call void @use(i32 2)
437; CHECK-NEXT:    [[TMP5:%.*]] = call i32 @omp_get_max_threads()
438; CHECK-NEXT:    [[TMP6:%.*]] = call i32 @no_unique_icv(i1 [[TMP0]])
439; CHECK-NEXT:    call void @use(i32 [[TMP5]])
440; CHECK-NEXT:    ret void
441;
442  call void @known_unique_icv(i1 %0)
443  %2 = icmp eq i1 %0, 0
444  br i1 %2, label %4, label %3
445
4463:                                                ; preds = %1
447  %val = call i32 @icv_free_use(i32 10)
448  br label %4
449
4504:                                                ; preds = %3, %1
451  %5 = call i32 @omp_get_max_threads()
452  call void @use(i32 %5)
453  %6 = call i32 @omp_get_max_threads()
454  call i32 @no_unique_icv(i1 %0)
455  call void @use(i32 %6)
456  ret void
457}
458
459define void @test4_invoke(i1 %0) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
460; CHECK-LABEL: define {{[^@]+}}@test4_invoke
461; CHECK-SAME: (i1 [[TMP0:%.*]]) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
462; CHECK-NEXT:    call void @known_unique_icv(i1 [[TMP0]])
463; CHECK-NEXT:    [[TMP2:%.*]] = invoke i32 @maybe_throw(i1 [[TMP0]])
464; CHECK-NEXT:    to label [[CONT:%.*]] unwind label [[EXC:%.*]]
465; CHECK:       cont:
466; CHECK-NEXT:    [[TMP3:%.*]] = icmp eq i1 [[TMP0]], false
467; CHECK-NEXT:    br i1 [[TMP3]], label [[TMP5:%.*]], label [[TMP4:%.*]]
468; CHECK:       exc:
469; CHECK-NEXT:    [[LP:%.*]] = landingpad { i8*, i32 }
470; CHECK-NEXT:    filter [0 x i8*] zeroinitializer
471; CHECK-NEXT:    unreachable
472; CHECK:       4:
473; CHECK-NEXT:    [[VAL:%.*]] = call i32 @icv_free_use(i32 10)
474; CHECK-NEXT:    br label [[TMP5]]
475; CHECK:       5:
476; CHECK-NEXT:    call void @use(i32 2)
477; CHECK-NEXT:    ret void
478;
479  call void @known_unique_icv(i1 %0)
480  invoke i32 @maybe_throw(i1 %0)
481  to label %cont unwind label %exc
482
483cont:
484  %3 = icmp eq i1 %0, 0
485  br i1 %3, label %5, label %4
486
487exc:
488  %lp = landingpad { i8*, i32 }
489  filter [0 x i8*] zeroinitializer
490  unreachable
491
4924:                                                ; preds = %1
493  %val = call i32 @icv_free_use(i32 10)
494  br label %5
495
4965:                                                ; preds = %3, %1
497  %6 = call i32 @omp_get_max_threads()
498  call void @use(i32 %6)
499  ret void
500}
501
502define i32 @test5(i32 %0)  #0 {
503; CHECK-LABEL: define {{[^@]+}}@test5
504; CHECK-SAME: (i32 [[TMP0:%.*]])
505; CHECK-NEXT:    call void @omp_set_num_threads(i32 4)
506; CHECK-NEXT:    [[TMP2:%.*]] = icmp sgt i32 [[TMP0]], 3
507; CHECK-NEXT:    br i1 [[TMP2]], label [[TMP3:%.*]], label [[TMP4:%.*]]
508; CHECK:       3:
509; CHECK-NEXT:    call void @use(i32 4)
510; CHECK-NEXT:    br label [[TMP12:%.*]]
511; CHECK:       4:
512; CHECK-NEXT:    [[TMP5:%.*]] = icmp sgt i32 [[TMP0]], 0
513; CHECK-NEXT:    br i1 [[TMP5]], label [[TMP6:%.*]], label [[TMP8:%.*]]
514; CHECK:       6:
515; CHECK-NEXT:    [[TMP7:%.*]] = call i32 @icv_free_use(i32 [[TMP0]])
516; CHECK-NEXT:    br label [[TMP15:%.*]]
517; CHECK:       8:
518; CHECK-NEXT:    [[TMP9:%.*]] = icmp eq i32 [[TMP0]], 0
519; CHECK-NEXT:    br i1 [[TMP9]], label [[TMP10:%.*]], label [[TMP12]]
520; CHECK:       10:
521; CHECK-NEXT:    [[TMP11:%.*]] = call i32 @icv_free_use(i32 10)
522; CHECK-NEXT:    br label [[TMP15]]
523; CHECK:       12:
524; CHECK-NEXT:    [[TMP13:%.*]] = add nsw i32 [[TMP0]], 1
525; CHECK-NEXT:    [[TMP14:%.*]] = call i32 @icv_free_use(i32 [[TMP13]])
526; CHECK-NEXT:    br label [[TMP15]]
527; CHECK:       15:
528; CHECK-NEXT:    [[TMP16:%.*]] = call i32 @omp_get_max_threads()
529; CHECK-NEXT:    [[TMP17:%.*]] = call i32 @icv_free_use(i32 [[TMP16]])
530; CHECK-NEXT:    ret i32 [[TMP17]]
531;
532  call void @omp_set_num_threads(i32 4)
533  %2 = icmp sgt i32 %0, 3
534  br i1 %2, label %3, label %5
535
5363:
537  %4 = call i32 @omp_get_max_threads()
538  call void @use(i32 %4)
539  br label %13
540
5415:
542  %6 = icmp sgt i32 %0, 0
543  br i1 %6, label %7, label %9
544
5457:
546  %8 = call i32 @icv_free_use(i32 %0)
547  br label %16
548
5499:
550  %10 = icmp eq i32 %0, 0
551  br i1 %10, label %11, label %13
552
55311:
554  %12 = call i32 @icv_free_use(i32 10)
555  br label %16
556
55713:
558  %14 = add nsw i32 %0, 1
559  %15 = call i32 @icv_free_use(i32 %14)
560  br label %16
561
56216:
563  %17 = call i32 @omp_get_max_threads()
564  %18 = call i32 @icv_free_use(i32 %17)
565  ret i32 %18
566}
567
568define i32 @test6(i32 %0) {
569; CHECK-LABEL: define {{[^@]+}}@test6
570; CHECK-SAME: (i32 [[TMP0:%.*]])
571; CHECK-NEXT:    call void @omp_set_num_threads(i32 4)
572; CHECK-NEXT:    [[TMP2:%.*]] = icmp sgt i32 [[TMP0]], 3
573; CHECK-NEXT:    br i1 [[TMP2]], label [[TMP3:%.*]], label [[TMP5:%.*]]
574; CHECK:       3:
575; CHECK-NEXT:    [[TMP4:%.*]] = call i32 @icv_free_use(i32 10)
576; CHECK-NEXT:    br label [[TMP16:%.*]]
577; CHECK:       5:
578; CHECK-NEXT:    [[TMP6:%.*]] = icmp sgt i32 [[TMP0]], 0
579; CHECK-NEXT:    br i1 [[TMP6]], label [[TMP7:%.*]], label [[TMP9:%.*]]
580; CHECK:       7:
581; CHECK-NEXT:    [[TMP8:%.*]] = call i32 @icv_free_use(i32 [[TMP0]])
582; CHECK-NEXT:    br label [[TMP16]]
583; CHECK:       9:
584; CHECK-NEXT:    [[TMP10:%.*]] = icmp eq i32 [[TMP0]], 0
585; CHECK-NEXT:    br i1 [[TMP10]], label [[TMP11:%.*]], label [[TMP13:%.*]]
586; CHECK:       11:
587; CHECK-NEXT:    [[TMP12:%.*]] = call i32 @icv_free_use(i32 5)
588; CHECK-NEXT:    br label [[TMP16]]
589; CHECK:       13:
590; CHECK-NEXT:    [[TMP14:%.*]] = add nsw i32 [[TMP0]], 1
591; CHECK-NEXT:    [[TMP15:%.*]] = call i32 @icv_free_use(i32 [[TMP14]])
592; CHECK-NEXT:    br label [[TMP16]]
593; CHECK:       16:
594; CHECK-NEXT:    [[TMP17:%.*]] = call i32 @icv_free_use(i32 4)
595; CHECK-NEXT:    ret i32 [[TMP17]]
596;
597  call void @omp_set_num_threads(i32 4)
598  %2 = icmp sgt i32 %0, 3
599  br i1 %2, label %3, label %5
600
6013:                                                ; preds = %1
602  %4 = call i32 @icv_free_use(i32 10)
603  br label %16
604
6055:                                                ; preds = %1
606  %6 = icmp sgt i32 %0, 0
607  br i1 %6, label %7, label %9
608
6097:                                                ; preds = %5
610  %8 = call i32 @icv_free_use(i32 %0)
611  br label %16
612
6139:                                                ; preds = %5
614  %10 = icmp eq i32 %0, 0
615  br i1 %10, label %11, label %13
616
61711:                                               ; preds = %9
618  %12 = call i32 @icv_free_use(i32 5)
619  br label %16
620
62113:                                               ; preds = %9
622  %14 = add nsw i32 %0, 1
623  %15 = call i32 @icv_free_use(i32 %14)
624  br label %16
625
62616:                                               ; preds = %7, %13, %11, %3
627  %17 = call i32 @omp_get_max_threads()
628  %18 = call i32 @icv_free_use(i32 %17)
629  ret i32 %18
630}
631
632declare i32 @__gxx_personality_v0(...)
633
634!0 = !{!1}
635!1 = !{i64 2, i64 -1, i64 -1, i1 true}
636