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[NFC][SLU] Update SimpleLoopUnswitch/guards.ll
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  • llvm/test/Transforms/SimpleLoopUnswitch

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‎llvm/test/Transforms/SimpleLoopUnswitch/guards.ll‎

Lines changed: 190 additions & 111 deletions
Original file line numberDiff line numberDiff line change
@@ -1,26 +1,35 @@
1-
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: -p --version 5
1+
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
22
; RUN: opt -passes='loop(simple-loop-unswitch<nontrivial>),verify<loops>' -simple-loop-unswitch-guards -S < %s | FileCheck %s
33
; RUN: opt -passes='simple-loop-unswitch<nontrivial>' -simple-loop-unswitch-guards -S < %s | FileCheck %s
44
; RUN: opt -passes='loop-mssa(simple-loop-unswitch<nontrivial>),verify<loops>' -simple-loop-unswitch-guards -verify-memoryssa -verify-loop-info -S < %s | FileCheck %s
55

66
declare void @llvm.experimental.guard(i1, ...)
77

88
define void @test_simple_case(i1 %cond, i32 %N) {
9-
; CHECK-LABEL: @test_simple_case(
10-
; CHECK-NEXT: entry:
11-
; CHECK-NEXT: br i1 [[COND:%.*]], label [[ENTRY_SPLIT_US:%.*]], label [[ENTRY_SPLIT:%.*]]
12-
; CHECK: entry.split.us:
13-
; CHECK-NEXT: br label [[LOOP_US:%.*]]
14-
; CHECK: loop.us:
15-
; CHECK-NEXT: [[IV_US:%.*]] = phi i32 [ 0, [[ENTRY_SPLIT_US]] ], [ [[IV_NEXT_US:%.*]], [[GUARDED_US:%.*]] ]
16-
; CHECK-NEXT: br label [[GUARDED_US]]
17-
; CHECK: guarded.us:
9+
; CHECK-LABEL: define void @test_simple_case(
10+
; CHECK-SAME: i1 [[COND:%.*]], i32 [[N:%.*]]) {
11+
; CHECK-NEXT: [[ENTRY:.*:]]
12+
; CHECK-NEXT: br i1 [[COND]], label %[[ENTRY_SPLIT_US:.*]], label %[[ENTRY_SPLIT:.*]]
13+
; CHECK: [[ENTRY_SPLIT_US]]:
14+
; CHECK-NEXT: br label %[[LOOP_US:.*]]
15+
; CHECK: [[LOOP_US]]:
16+
; CHECK-NEXT: [[IV_US:%.*]] = phi i32 [ 0, %[[ENTRY_SPLIT_US]] ], [ [[IV_NEXT_US:%.*]], %[[GUARDED_US:.*]] ]
17+
; CHECK-NEXT: br label %[[GUARDED_US]]
18+
; CHECK: [[GUARDED_US]]:
1819
; CHECK-NEXT: [[IV_NEXT_US]] = add i32 [[IV_US]], 1
19-
; CHECK-NEXT: [[LOOP_COND_US:%.*]] = icmp slt i32 [[IV_NEXT_US]], [[N:%.*]]
20-
; CHECK-NEXT: br i1 [[LOOP_COND_US]], label [[LOOP_US]], label [[EXIT_SPLIT_US:%.*]]
21-
; CHECK: deopt:
20+
; CHECK-NEXT: [[LOOP_COND_US:%.*]] = icmp slt i32 [[IV_NEXT_US]], [[N]]
21+
; CHECK-NEXT: br i1 [[LOOP_COND_US]], label %[[LOOP_US]], label %[[EXIT_SPLIT_US:.*]]
22+
; CHECK: [[EXIT_SPLIT_US]]:
23+
; CHECK-NEXT: br label %[[EXIT:.*]]
24+
; CHECK: [[ENTRY_SPLIT]]:
25+
; CHECK-NEXT: br label %[[LOOP:.*]]
26+
; CHECK: [[LOOP]]:
27+
; CHECK-NEXT: br label %[[DEOPT:.*]]
28+
; CHECK: [[DEOPT]]:
2229
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ]
2330
; CHECK-NEXT: unreachable
31+
; CHECK: [[EXIT]]:
32+
; CHECK-NEXT: ret void
2433
;
2534

2635
entry:
@@ -38,29 +47,44 @@ exit:
3847
}
3948

4049
define void @test_two_guards(i1 %cond1, i1 %cond2, i32 %N) {
41-
; CHECK-LABEL: @test_two_guards(
42-
; CHECK-NEXT: entry:
43-
; CHECK-NEXT: br i1 [[COND1:%.*]], label [[ENTRY_SPLIT_US:%.*]], label [[ENTRY_SPLIT:%.*]]
44-
; CHECK: entry.split.us:
45-
; CHECK-NEXT: br i1 [[COND2:%.*]], label [[ENTRY_SPLIT_US_SPLIT_US:%.*]], label [[ENTRY_SPLIT_US_SPLIT:%.*]]
46-
; CHECK: entry.split.us.split.us:
47-
; CHECK-NEXT: br label [[LOOP_US_US:%.*]]
48-
; CHECK: loop.us.us:
49-
; CHECK-NEXT: [[IV_US_US:%.*]] = phi i32 [ 0, [[ENTRY_SPLIT_US_SPLIT_US]] ], [ [[IV_NEXT_US_US:%.*]], [[GUARDED_US2:%.*]] ]
50-
; CHECK-NEXT: br label [[GUARDED_US_US:%.*]]
51-
; CHECK: guarded.us.us:
52-
; CHECK-NEXT: br label [[GUARDED_US2]]
53-
; CHECK: guarded.us2:
50+
; CHECK-LABEL: define void @test_two_guards(
51+
; CHECK-SAME: i1 [[COND1:%.*]], i1 [[COND2:%.*]], i32 [[N:%.*]]) {
52+
; CHECK-NEXT: [[ENTRY:.*:]]
53+
; CHECK-NEXT: br i1 [[COND1]], label %[[ENTRY_SPLIT_US:.*]], label %[[ENTRY_SPLIT:.*]]
54+
; CHECK: [[ENTRY_SPLIT_US]]:
55+
; CHECK-NEXT: br i1 [[COND2]], label %[[ENTRY_SPLIT_US_SPLIT_US:.*]], label %[[ENTRY_SPLIT_US_SPLIT:.*]]
56+
; CHECK: [[ENTRY_SPLIT_US_SPLIT_US]]:
57+
; CHECK-NEXT: br label %[[LOOP_US_US:.*]]
58+
; CHECK: [[LOOP_US_US]]:
59+
; CHECK-NEXT: [[IV_US_US:%.*]] = phi i32 [ 0, %[[ENTRY_SPLIT_US_SPLIT_US]] ], [ [[IV_NEXT_US_US:%.*]], %[[GUARDED_US2:.*]] ]
60+
; CHECK-NEXT: br label %[[GUARDED_US_US:.*]]
61+
; CHECK: [[GUARDED_US_US]]:
62+
; CHECK-NEXT: br label %[[GUARDED_US2]]
63+
; CHECK: [[GUARDED_US2]]:
5464
; CHECK-NEXT: [[IV_NEXT_US_US]] = add i32 [[IV_US_US]], 1
55-
; CHECK-NEXT: [[LOOP_COND_US_US:%.*]] = icmp slt i32 [[IV_NEXT_US_US]], [[N:%.*]]
56-
; CHECK-NEXT: br i1 [[LOOP_COND_US_US]], label [[LOOP_US_US]], label [[EXIT_SPLIT_US_SPLIT_US:%.*]]
57-
; CHECK: deopt1:
65+
; CHECK-NEXT: [[LOOP_COND_US_US:%.*]] = icmp slt i32 [[IV_NEXT_US_US]], [[N]]
66+
; CHECK-NEXT: br i1 [[LOOP_COND_US_US]], label %[[LOOP_US_US]], label %[[EXIT_SPLIT_US_SPLIT_US:.*]]
67+
; CHECK: [[EXIT_SPLIT_US_SPLIT_US]]:
68+
; CHECK-NEXT: br label %[[EXIT_SPLIT_US:.*]]
69+
; CHECK: [[ENTRY_SPLIT_US_SPLIT]]:
70+
; CHECK-NEXT: br label %[[LOOP_US:.*]]
71+
; CHECK: [[LOOP_US]]:
72+
; CHECK-NEXT: br label %[[GUARDED_US:.*]]
73+
; CHECK: [[GUARDED_US]]:
74+
; CHECK-NEXT: br label %[[DEOPT1:.*]]
75+
; CHECK: [[DEOPT1]]:
5876
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ]
5977
; CHECK-NEXT: unreachable
60-
; CHECK: deopt:
78+
; CHECK: [[EXIT_SPLIT_US]]:
79+
; CHECK-NEXT: br label %[[EXIT:.*]]
80+
; CHECK: [[ENTRY_SPLIT]]:
81+
; CHECK-NEXT: br label %[[LOOP:.*]]
82+
; CHECK: [[LOOP]]:
83+
; CHECK-NEXT: br label %[[DEOPT:.*]]
84+
; CHECK: [[DEOPT]]:
6185
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ]
6286
; CHECK-NEXT: unreachable
63-
; CHECK: exit:
87+
; CHECK: [[EXIT]]:
6488
; CHECK-NEXT: ret void
6589
;
6690

@@ -80,35 +104,46 @@ exit:
80104
}
81105

82106
define void @test_conditional_guards(i1 %cond, i32 %N) {
83-
; CHECK-LABEL: @test_conditional_guards(
84-
; CHECK-NEXT: entry:
85-
; CHECK-NEXT: [[FROZEN:%.+]] = freeze i1 [[COND:%.*]]
86-
; CHECK-NEXT: br i1 [[FROZEN]], label [[ENTRY_SPLIT_US:%.*]], label [[ENTRY_SPLIT:%.*]]
87-
; CHECK: entry.split.us:
88-
; CHECK-NEXT: br label [[LOOP_US:%.*]]
89-
; CHECK: loop.us:
90-
; CHECK-NEXT: [[IV_US:%.*]] = phi i32 [ 0, [[ENTRY_SPLIT_US]] ], [ [[IV_NEXT_US:%.*]], [[BACKEDGE_US:%.*]] ]
107+
; CHECK-LABEL: define void @test_conditional_guards(
108+
; CHECK-SAME: i1 [[COND:%.*]], i32 [[N:%.*]]) {
109+
; CHECK-NEXT: [[ENTRY:.*:]]
110+
; CHECK-NEXT: [[COND_FR:%.*]] = freeze i1 [[COND]]
111+
; CHECK-NEXT: br i1 [[COND_FR]], label %[[ENTRY_SPLIT_US:.*]], label %[[ENTRY_SPLIT:.*]]
112+
; CHECK: [[ENTRY_SPLIT_US]]:
113+
; CHECK-NEXT: br label %[[LOOP_US:.*]]
114+
; CHECK: [[LOOP_US]]:
115+
; CHECK-NEXT: [[IV_US:%.*]] = phi i32 [ 0, %[[ENTRY_SPLIT_US]] ], [ [[IV_NEXT_US:%.*]], %[[BACKEDGE_US:.*]] ]
91116
; CHECK-NEXT: [[CONDITION_US:%.*]] = icmp eq i32 [[IV_US]], 123
92-
; CHECK-NEXT: br i1 [[CONDITION_US]], label [[GUARD_US:%.*]], label [[BACKEDGE_US]]
93-
; CHECK: guard.us:
94-
; CHECK-NEXT: br label [[GUARDED_US:%.*]]
95-
; CHECK: backedge.us:
117+
; CHECK-NEXT: br i1 [[CONDITION_US]], label %[[GUARD_US:.*]], label %[[BACKEDGE_US]]
118+
; CHECK: [[GUARD_US]]:
119+
; CHECK-NEXT: br label %[[GUARDED_US:.*]]
120+
; CHECK: [[BACKEDGE_US]]:
96121
; CHECK-NEXT: [[IV_NEXT_US]] = add i32 [[IV_US]], 1
97-
; CHECK-NEXT: [[LOOP_COND_US:%.*]] = icmp slt i32 [[IV_NEXT_US]], [[N:%.*]]
98-
; CHECK-NEXT: br i1 [[LOOP_COND_US]], label [[LOOP_US]], label [[EXIT_SPLIT_US:%.*]]
99-
; CHECK: loop:
100-
; CHECK-NEXT: [[IV:%.*]] = phi i32 [ 0, [[ENTRY_SPLIT]] ], [ [[IV_NEXT:%.*]], [[BACKEDGE:%.*]] ]
122+
; CHECK-NEXT: [[LOOP_COND_US:%.*]] = icmp slt i32 [[IV_NEXT_US]], [[N]]
123+
; CHECK-NEXT: br i1 [[LOOP_COND_US]], label %[[LOOP_US]], label %[[EXIT_SPLIT_US:.*]]
124+
; CHECK: [[GUARDED_US]]:
125+
; CHECK-NEXT: br label %[[BACKEDGE_US]]
126+
; CHECK: [[EXIT_SPLIT_US]]:
127+
; CHECK-NEXT: br label %[[EXIT:.*]]
128+
; CHECK: [[ENTRY_SPLIT]]:
129+
; CHECK-NEXT: br label %[[LOOP:.*]]
130+
; CHECK: [[LOOP]]:
131+
; CHECK-NEXT: [[IV:%.*]] = phi i32 [ 0, %[[ENTRY_SPLIT]] ], [ [[IV_NEXT:%.*]], %[[BACKEDGE:.*]] ]
101132
; CHECK-NEXT: [[CONDITION:%.*]] = icmp eq i32 [[IV]], 123
102-
; CHECK-NEXT: br i1 [[CONDITION]], label [[GUARD:%.*]], label [[BACKEDGE]]
103-
; CHECK: guard:
104-
; CHECK-NEXT: br label [[DEOPT:%.*]]
105-
; CHECK: deopt:
133+
; CHECK-NEXT: br i1 [[CONDITION]], label %[[GUARD:.*]], label %[[BACKEDGE]]
134+
; CHECK: [[GUARD]]:
135+
; CHECK-NEXT: br label %[[DEOPT:.*]]
136+
; CHECK: [[DEOPT]]:
106137
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ]
107138
; CHECK-NEXT: unreachable
108-
; CHECK: backedge:
139+
; CHECK: [[BACKEDGE]]:
109140
; CHECK-NEXT: [[IV_NEXT]] = add i32 [[IV]], 1
110141
; CHECK-NEXT: [[LOOP_COND:%.*]] = icmp slt i32 [[IV_NEXT]], [[N]]
111-
; CHECK-NEXT: br i1 [[LOOP_COND]], label %loop, label [[EXIT_SPLIT:%.*]]
142+
; CHECK-NEXT: br i1 [[LOOP_COND]], label %[[LOOP]], label %[[EXIT_SPLIT:.*]]
143+
; CHECK: [[EXIT_SPLIT]]:
144+
; CHECK-NEXT: br label %[[EXIT]]
145+
; CHECK: [[EXIT]]:
146+
; CHECK-NEXT: ret void
112147
;
113148

114149
entry:
@@ -133,53 +168,54 @@ exit:
133168
}
134169

135170
define void @test_nested_loop(i1 %cond, i32 %N, i1 %arg) {
136-
; CHECK-LABEL: define void @test_nested_loop(i1 %cond, i32 %N, i1 %arg) {
137-
; CHECK-NEXT: entry:
138-
; CHECK-NEXT: br i1 %cond, label %entry.split, label %outer_loop.split
139-
; CHECK: entry.split:
140-
; CHECK-NEXT: br i1 %arg, label %entry.split.split.us, label %entry.split.split
141-
; CHECK: entry.split.split.us:
142-
; CHECK-NEXT: br label %outer_loop.us
143-
; CHECK: outer_loop.us:
144-
; CHECK-NEXT: br label %outer_loop.split.us.us
145-
; CHECK: outer_backedge.us:
146-
; CHECK-NEXT: br label %outer_loop.us
147-
; CHECK: outer_loop.split.us.us:
148-
; CHECK-NEXT: br label %loop.us.us
149-
; CHECK: loop.us.us:
150-
; CHECK-NEXT: %iv.us.us = phi i32 [ 0, %outer_loop.split.us.us ], [ %iv.next.us.us, %guarded.us.us ]
151-
; CHECK-NEXT: br label %guarded.us.us
152-
; CHECK: guarded.us.us:
153-
; CHECK-NEXT: %iv.next.us.us = add i32 %iv.us.us, 1
154-
; CHECK-NEXT: %loop.cond.us.us = icmp slt i32 %iv.next.us.us, %N
155-
; CHECK-NEXT: br i1 %loop.cond.us.us, label %loop.us.us, label %outer_backedge.split.us.us
156-
; CHECK: outer_backedge.split.us.us:
157-
; CHECK-NEXT: br label %outer_backedge.us
158-
; CHECK: entry.split.split:
159-
; CHECK-NEXT: br label %outer_loop
160-
; CHECK: outer_loop:
161-
; CHECK-NEXT: br label %outer_loop.split.us
162-
; CHECK: outer_loop.split.us:
163-
; CHECK-NEXT: br label %loop.us
164-
; CHECK: loop.us:
165-
; CHECK-NEXT: %iv.us = phi i32 [ 0, %outer_loop.split.us ], [ %iv.next.us, %guarded.us ]
166-
; CHECK-NEXT: br label %guarded.us
167-
; CHECK: guarded.us:
168-
; CHECK-NEXT: %iv.next.us = add i32 %iv.us, 1
169-
; CHECK-NEXT: %loop.cond.us = icmp slt i32 %iv.next.us, %N
170-
; CHECK-NEXT: br i1 %loop.cond.us, label %loop.us, label %outer_backedge.split.us
171-
; CHECK: outer_backedge.split.us:
172-
; CHECK-NEXT: br label %outer_backedge
173-
; CHECK: outer_loop.split:
174-
; CHECK-NEXT: br label %loop
175-
; CHECK: loop:
176-
; CHECK-NEXT: br label %deopt
177-
; CHECK: deopt:
171+
; CHECK-LABEL: define void @test_nested_loop(
172+
; CHECK-SAME: i1 [[COND:%.*]], i32 [[N:%.*]], i1 [[ARG:%.*]]) {
173+
; CHECK-NEXT: [[ENTRY:.*:]]
174+
; CHECK-NEXT: br i1 [[COND]], label %[[ENTRY_SPLIT:.*]], label %[[OUTER_LOOP_SPLIT:.*]]
175+
; CHECK: [[ENTRY_SPLIT]]:
176+
; CHECK-NEXT: br i1 [[ARG]], label %[[ENTRY_SPLIT_SPLIT_US:.*]], label %[[ENTRY_SPLIT_SPLIT:.*]]
177+
; CHECK: [[ENTRY_SPLIT_SPLIT_US]]:
178+
; CHECK-NEXT: br label %[[OUTER_LOOP_US:.*]]
179+
; CHECK: [[OUTER_LOOP_US]]:
180+
; CHECK-NEXT: br label %[[OUTER_LOOP_SPLIT_US_US:.*]]
181+
; CHECK: [[OUTER_BACKEDGE_US:.*]]:
182+
; CHECK-NEXT: br label %[[OUTER_LOOP_US]]
183+
; CHECK: [[OUTER_LOOP_SPLIT_US_US]]:
184+
; CHECK-NEXT: br label %[[LOOP_US_US:.*]]
185+
; CHECK: [[LOOP_US_US]]:
186+
; CHECK-NEXT: [[IV_US_US:%.*]] = phi i32 [ 0, %[[OUTER_LOOP_SPLIT_US_US]] ], [ [[IV_NEXT_US_US:%.*]], %[[GUARDED_US_US:.*]] ]
187+
; CHECK-NEXT: br label %[[GUARDED_US_US]]
188+
; CHECK: [[GUARDED_US_US]]:
189+
; CHECK-NEXT: [[IV_NEXT_US_US]] = add i32 [[IV_US_US]], 1
190+
; CHECK-NEXT: [[LOOP_COND_US_US:%.*]] = icmp slt i32 [[IV_NEXT_US_US]], [[N]]
191+
; CHECK-NEXT: br i1 [[LOOP_COND_US_US]], label %[[LOOP_US_US]], label %[[OUTER_BACKEDGE_SPLIT_US_US:.*]]
192+
; CHECK: [[OUTER_BACKEDGE_SPLIT_US_US]]:
193+
; CHECK-NEXT: br label %[[OUTER_BACKEDGE_US]]
194+
; CHECK: [[ENTRY_SPLIT_SPLIT]]:
195+
; CHECK-NEXT: br label %[[OUTER_LOOP:.*]]
196+
; CHECK: [[OUTER_LOOP]]:
197+
; CHECK-NEXT: br label %[[OUTER_LOOP_SPLIT_US:.*]]
198+
; CHECK: [[OUTER_LOOP_SPLIT_US]]:
199+
; CHECK-NEXT: br label %[[LOOP_US:.*]]
200+
; CHECK: [[LOOP_US]]:
201+
; CHECK-NEXT: [[IV_US:%.*]] = phi i32 [ 0, %[[OUTER_LOOP_SPLIT_US]] ], [ [[IV_NEXT_US:%.*]], %[[GUARDED_US:.*]] ]
202+
; CHECK-NEXT: br label %[[GUARDED_US]]
203+
; CHECK: [[GUARDED_US]]:
204+
; CHECK-NEXT: [[IV_NEXT_US]] = add i32 [[IV_US]], 1
205+
; CHECK-NEXT: [[LOOP_COND_US:%.*]] = icmp slt i32 [[IV_NEXT_US]], [[N]]
206+
; CHECK-NEXT: br i1 [[LOOP_COND_US]], label %[[LOOP_US]], label %[[OUTER_BACKEDGE_SPLIT_US:.*]]
207+
; CHECK: [[OUTER_BACKEDGE_SPLIT_US]]:
208+
; CHECK-NEXT: br label %[[OUTER_BACKEDGE:.*]]
209+
; CHECK: [[OUTER_LOOP_SPLIT]]:
210+
; CHECK-NEXT: br label %[[LOOP:.*]]
211+
; CHECK: [[LOOP]]:
212+
; CHECK-NEXT: br label %[[DEOPT:.*]]
213+
; CHECK: [[DEOPT]]:
178214
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ]
179215
; CHECK-NEXT: unreachable
180-
; CHECK: outer_backedge:
181-
; CHECK-NEXT: br label %exit
182-
; CHECK: exit:
216+
; CHECK: [[OUTER_BACKEDGE]]:
217+
; CHECK-NEXT: br label %[[EXIT:.*]]
218+
; CHECK: [[EXIT]]:
183219
; CHECK-NEXT: ret void
184220
;
185221

@@ -204,17 +240,50 @@ exit:
204240
}
205241

206242
define void @test_sibling_loops(i1 %cond1, i1 %cond2, i32 %N) {
207-
; CHECK-LABEL: @test_sibling_loops(
208-
; CHECK-NEXT: entry:
209-
; CHECK-NEXT: br i1 [[COND1:%.*]], label [[ENTRY_SPLIT_US:%.*]], label [[ENTRY_SPLIT:%.*]]
210-
; CHECK: [[IV1_US:%.*]] = phi i32 [ 0, [[ENTRY_SPLIT_US]] ], [ [[IV1_NEXT_US:%.*]], [[GUARDED_US:%.*]] ]
211-
; CHECK-NEXT: br label [[GUARDED_US]]
212-
; CHECK: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ]
243+
; CHECK-LABEL: define void @test_sibling_loops(
244+
; CHECK-SAME: i1 [[COND1:%.*]], i1 [[COND2:%.*]], i32 [[N:%.*]]) {
245+
; CHECK-NEXT: [[ENTRY:.*:]]
246+
; CHECK-NEXT: br i1 [[COND1]], label %[[ENTRY_SPLIT_US:.*]], label %[[ENTRY_SPLIT:.*]]
247+
; CHECK: [[ENTRY_SPLIT_US]]:
248+
; CHECK-NEXT: br label %[[LOOP1_US:.*]]
249+
; CHECK: [[LOOP1_US]]:
250+
; CHECK-NEXT: [[IV1_US:%.*]] = phi i32 [ 0, %[[ENTRY_SPLIT_US]] ], [ [[IV1_NEXT_US:%.*]], %[[GUARDED_US:.*]] ]
251+
; CHECK-NEXT: br label %[[GUARDED_US]]
252+
; CHECK: [[GUARDED_US]]:
253+
; CHECK-NEXT: [[IV1_NEXT_US]] = add i32 [[IV1_US]], 1
254+
; CHECK-NEXT: [[LOOP1_COND_US:%.*]] = icmp slt i32 [[IV1_NEXT_US]], [[N]]
255+
; CHECK-NEXT: br i1 [[LOOP1_COND_US]], label %[[LOOP1_US]], label %[[BETWEEN_SPLIT_US:.*]]
256+
; CHECK: [[BETWEEN_SPLIT_US]]:
257+
; CHECK-NEXT: br label %[[BETWEEN:.*]]
258+
; CHECK: [[ENTRY_SPLIT]]:
259+
; CHECK-NEXT: br label %[[LOOP1:.*]]
260+
; CHECK: [[LOOP1]]:
261+
; CHECK-NEXT: br label %[[DEOPT:.*]]
262+
; CHECK: [[DEOPT]]:
263+
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ]
213264
; CHECK-NEXT: unreachable
214-
; CHECK: [[IV2_US:%.*]] = phi i32 [ 0, [[BETWEEN:%.*]] ], [ [[IV1_NEXT_US2:%.*]], [[GUARDED_US2:%.*]] ]
215-
; CHECK-NEXT: br label [[GUARDED_US2]]
216-
; CHECK: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ]
265+
; CHECK: [[BETWEEN]]:
266+
; CHECK-NEXT: br i1 [[COND2]], label %[[BETWEEN_SPLIT_US2:.*]], label %[[BETWEEN_SPLIT:.*]]
267+
; CHECK: [[BETWEEN_SPLIT_US2]]:
268+
; CHECK-NEXT: br label %[[LOOP2_US:.*]]
269+
; CHECK: [[LOOP2_US]]:
270+
; CHECK-NEXT: [[IV2_US:%.*]] = phi i32 [ 0, %[[BETWEEN_SPLIT_US2]] ], [ [[IV2_NEXT_US:%.*]], %[[GUARDED_US3:.*]] ]
271+
; CHECK-NEXT: br label %[[GUARDED_US3]]
272+
; CHECK: [[GUARDED_US3]]:
273+
; CHECK-NEXT: [[IV2_NEXT_US]] = add i32 [[IV2_US]], 1
274+
; CHECK-NEXT: [[LOOP2_COND_US:%.*]] = icmp slt i32 [[IV2_NEXT_US]], [[N]]
275+
; CHECK-NEXT: br i1 [[LOOP2_COND_US]], label %[[LOOP2_US]], label %[[EXIT_SPLIT_US:.*]]
276+
; CHECK: [[EXIT_SPLIT_US]]:
277+
; CHECK-NEXT: br label %[[EXIT:.*]]
278+
; CHECK: [[BETWEEN_SPLIT]]:
279+
; CHECK-NEXT: br label %[[LOOP2:.*]]
280+
; CHECK: [[LOOP2]]:
281+
; CHECK-NEXT: br label %[[DEOPT1:.*]]
282+
; CHECK: [[DEOPT1]]:
283+
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 false) [ "deopt"() ]
217284
; CHECK-NEXT: unreachable
285+
; CHECK: [[EXIT]]:
286+
; CHECK-NEXT: ret void
218287
;
219288

220289
entry:
@@ -242,11 +311,21 @@ exit:
242311
}
243312

244313
; Check that we don't do anything because of cleanuppad.
245-
; CHECK-LABEL: @test_cleanuppad(
246-
; CHECK: call void (i1, ...) @llvm.experimental.guard(i1 %cond) [ "deopt"() ]
247-
; CHECK-NOT: call void (i1, ...) @llvm.experimental.guard(
248314
define void @test_cleanuppad(i1 %cond, i32 %N) personality ptr @__CxxFrameHandler3 {
249-
315+
; CHECK-LABEL: define void @test_cleanuppad(
316+
; CHECK-SAME: i1 [[COND:%.*]], i32 [[N:%.*]]) personality ptr @__CxxFrameHandler3 {
317+
; CHECK-NEXT: [[ENTRY:.*]]:
318+
; CHECK-NEXT: br label %[[LOOP:.*]]
319+
; CHECK: [[LOOP]]:
320+
; CHECK-NEXT: [[IV:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
321+
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[COND]]) [ "deopt"() ]
322+
; CHECK-NEXT: [[IV_NEXT]] = add i32 [[IV]], 1
323+
; CHECK-NEXT: invoke void @may_throw(i32 [[IV]])
324+
; CHECK-NEXT: to label %[[LOOP]] unwind label %[[EXIT:.*]]
325+
; CHECK: [[EXIT]]:
326+
; CHECK-NEXT: [[CP:%.*]] = cleanuppad within none []
327+
; CHECK-NEXT: cleanupret from [[CP]] unwind to caller
328+
;
250329
entry:
251330
br label %loop
252331

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