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gerrit-public.fairphone.software / toolchain / llvm-project / f913fd6eb0c228041b77a645d76993760d3b1421 / . / llvm / test / Transforms / LoopPredication / visited.ll
blob: 8d40386e025d287779d7270942add3ee9d0ba31b [file] [log] [blame]
Eric Christophercee313d2019-04-17 04:52:47 +0000[diff] [blame]1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -loop-predication < %s 2>&1 | FileCheck %s
3; RUN: opt -S -passes='require<scalar-evolution>,loop(loop-predication)' < %s 2>&1 | FileCheck %s
4
5declare void @llvm.experimental.guard(i1, ...)
6
7define i32 @test_visited(i32* %array, i32 %length, i32 %n, i32 %x) {
8; CHECK-LABEL: @test_visited(
9; CHECK-NEXT: entry:
10; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i32 [[N:%.*]], 0
11; CHECK-NEXT: br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
12; CHECK: loop.preheader:
13; CHECK-NEXT: [[TMP0:%.*]] = icmp ule i32 [[N]], [[LENGTH:%.*]]
14; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i32 0, [[LENGTH]]
15; CHECK-NEXT: [[TMP2:%.*]] = and i1 [[TMP1]], [[TMP0]]
16; CHECK-NEXT: br label [[LOOP:%.*]]
17; CHECK: loop:
18; CHECK-NEXT: [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
19; CHECK-NEXT: [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
20; CHECK-NEXT: [[UNRELATED_COND:%.*]] = icmp eq i32 [[X:%.*]], [[I]]
21; CHECK-NEXT: [[TMP3:%.*]] = and i1 [[UNRELATED_COND]], [[TMP2]]
22; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[TMP3]], i32 9) [ "deopt"() ]
23; CHECK-NEXT: [[I_I64:%.*]] = zext i32 [[I]] to i64
24; CHECK-NEXT: [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
25; CHECK-NEXT: [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
26; CHECK-NEXT: [[LOOP_ACC_NEXT]] = add i32 [[LOOP_ACC]], [[ARRAY_I]]
27; CHECK-NEXT: [[I_NEXT]] = add nuw i32 [[I]], 1
28; CHECK-NEXT: [[CONTINUE:%.*]] = icmp ult i32 [[I_NEXT]], [[N]]
29; CHECK-NEXT: br i1 [[CONTINUE]], label [[LOOP]], label [[EXIT_LOOPEXIT:%.*]]
30; CHECK: exit.loopexit:
31; CHECK-NEXT: [[LOOP_ACC_NEXT_LCSSA:%.*]] = phi i32 [ [[LOOP_ACC_NEXT]], [[LOOP]] ]
32; CHECK-NEXT: br label [[EXIT]]
33; CHECK: exit:
34; CHECK-NEXT: [[RESULT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[LOOP_ACC_NEXT_LCSSA]], [[EXIT_LOOPEXIT]] ]
35; CHECK-NEXT: ret i32 [[RESULT]]
36;
37entry:
38 %tmp5 = icmp eq i32 %n, 0
39 br i1 %tmp5, label %exit, label %loop.preheader
40
41loop.preheader:
42 br label %loop
43
44loop:
45 %loop.acc = phi i32 [ %loop.acc.next, %loop ], [ 0, %loop.preheader ]
46 %i = phi i32 [ %i.next, %loop ], [ 0, %loop.preheader ]
47 %within.bounds = icmp ult i32 %i, %length
48 %unrelated.cond = icmp eq i32 %x, %i
49 %guard.cond.2 = and i1 %within.bounds, %unrelated.cond
50 %guard.cond.3 = and i1 %guard.cond.2, %unrelated.cond
51 %guard.cond.4 = and i1 %guard.cond.3, %guard.cond.2
52 %guard.cond.5 = and i1 %guard.cond.4, %guard.cond.3
53 %guard.cond.6 = and i1 %guard.cond.5, %guard.cond.4
54 %guard.cond.7 = and i1 %guard.cond.6, %guard.cond.5
55 %guard.cond.8 = and i1 %guard.cond.7, %guard.cond.6
56 %guard.cond.9 = and i1 %guard.cond.8, %guard.cond.7
57 %guard.cond.10 = and i1 %guard.cond.9, %guard.cond.8
58 %guard.cond.11 = and i1 %guard.cond.10, %guard.cond.9
59 %guard.cond.12 = and i1 %guard.cond.11, %guard.cond.10
60 %guard.cond.13 = and i1 %guard.cond.12, %guard.cond.11
61 %guard.cond.14 = and i1 %guard.cond.13, %guard.cond.12
62 %guard.cond.15 = and i1 %guard.cond.14, %guard.cond.13
63 %guard.cond.16 = and i1 %guard.cond.15, %guard.cond.14
64 %guard.cond.17 = and i1 %guard.cond.16, %guard.cond.15
65 %guard.cond.18 = and i1 %guard.cond.17, %guard.cond.16
66 %guard.cond.19 = and i1 %guard.cond.18, %guard.cond.17
67 %guard.cond.20 = and i1 %guard.cond.19, %guard.cond.18
68 %guard.cond.21 = and i1 %guard.cond.20, %guard.cond.19
69 %guard.cond.22 = and i1 %guard.cond.21, %guard.cond.20
70 %guard.cond.23 = and i1 %guard.cond.22, %guard.cond.21
71 %guard.cond.24 = and i1 %guard.cond.23, %guard.cond.22
72 %guard.cond.25 = and i1 %guard.cond.24, %guard.cond.23
73 %guard.cond.26 = and i1 %guard.cond.25, %guard.cond.24
74 %guard.cond.27 = and i1 %guard.cond.26, %guard.cond.25
75 %guard.cond.28 = and i1 %guard.cond.27, %guard.cond.26
76 %guard.cond.29 = and i1 %guard.cond.28, %guard.cond.27
77 %guard.cond.30 = and i1 %guard.cond.29, %guard.cond.28
78 %guard.cond.31 = and i1 %guard.cond.30, %guard.cond.29
79 %guard.cond.32 = and i1 %guard.cond.31, %guard.cond.30
80 %guard.cond.33 = and i1 %guard.cond.32, %guard.cond.31
81 %guard.cond.34 = and i1 %guard.cond.33, %guard.cond.32
82 %guard.cond.35 = and i1 %guard.cond.34, %guard.cond.33
83 %guard.cond.36 = and i1 %guard.cond.35, %guard.cond.34
84 %guard.cond.37 = and i1 %guard.cond.36, %guard.cond.35
85 %guard.cond.38 = and i1 %guard.cond.37, %guard.cond.36
86 %guard.cond.39 = and i1 %guard.cond.38, %guard.cond.37
87 %guard.cond.40 = and i1 %guard.cond.39, %guard.cond.38
88 %guard.cond.41 = and i1 %guard.cond.40, %guard.cond.39
89 %guard.cond.42 = and i1 %guard.cond.41, %guard.cond.40
90 %guard.cond.43 = and i1 %guard.cond.42, %guard.cond.41
91 %guard.cond.44 = and i1 %guard.cond.43, %guard.cond.42
92 %guard.cond.45 = and i1 %guard.cond.44, %guard.cond.43
93 %guard.cond.46 = and i1 %guard.cond.45, %guard.cond.44
94 %guard.cond.47 = and i1 %guard.cond.46, %guard.cond.45
95 %guard.cond.48 = and i1 %guard.cond.47, %guard.cond.46
96 %guard.cond.49 = and i1 %guard.cond.48, %guard.cond.47
97 %guard.cond.50 = and i1 %guard.cond.49, %guard.cond.48
98 %guard.cond.51 = and i1 %guard.cond.50, %guard.cond.49
99 %guard.cond.52 = and i1 %guard.cond.51, %guard.cond.50
100 %guard.cond.53 = and i1 %guard.cond.52, %guard.cond.51
101 %guard.cond.54 = and i1 %guard.cond.53, %guard.cond.52
102 %guard.cond.55 = and i1 %guard.cond.54, %guard.cond.53
103 %guard.cond.56 = and i1 %guard.cond.55, %guard.cond.54
104 %guard.cond.57 = and i1 %guard.cond.56, %guard.cond.55
105 %guard.cond.58 = and i1 %guard.cond.57, %guard.cond.56
106 %guard.cond.59 = and i1 %guard.cond.58, %guard.cond.57
107 %guard.cond.60 = and i1 %guard.cond.59, %guard.cond.58
108 %guard.cond.61 = and i1 %guard.cond.60, %guard.cond.59
109 %guard.cond.62 = and i1 %guard.cond.61, %guard.cond.60
110 %guard.cond.63 = and i1 %guard.cond.62, %guard.cond.61
111 %guard.cond.64 = and i1 %guard.cond.63, %guard.cond.62
112 %guard.cond.65 = and i1 %guard.cond.64, %guard.cond.63
113 %guard.cond.66 = and i1 %guard.cond.65, %guard.cond.64
114 %guard.cond.67 = and i1 %guard.cond.66, %guard.cond.65
115 %guard.cond.68 = and i1 %guard.cond.67, %guard.cond.66
116 %guard.cond.69 = and i1 %guard.cond.68, %guard.cond.67
117 %guard.cond.70 = and i1 %guard.cond.69, %guard.cond.68
118 %guard.cond.71 = and i1 %guard.cond.70, %guard.cond.69
119 %guard.cond.72 = and i1 %guard.cond.71, %guard.cond.70
120 %guard.cond.73 = and i1 %guard.cond.72, %guard.cond.71
121 %guard.cond.74 = and i1 %guard.cond.73, %guard.cond.72
122 %guard.cond.75 = and i1 %guard.cond.74, %guard.cond.73
123 %guard.cond.76 = and i1 %guard.cond.75, %guard.cond.74
124 %guard.cond.77 = and i1 %guard.cond.76, %guard.cond.75
125 %guard.cond.78 = and i1 %guard.cond.77, %guard.cond.76
126 %guard.cond.79 = and i1 %guard.cond.78, %guard.cond.77
127 %guard.cond.80 = and i1 %guard.cond.79, %guard.cond.78
128 %guard.cond.81 = and i1 %guard.cond.80, %guard.cond.79
129 %guard.cond.82 = and i1 %guard.cond.81, %guard.cond.80
130 %guard.cond.83 = and i1 %guard.cond.82, %guard.cond.81
131 %guard.cond.84 = and i1 %guard.cond.83, %guard.cond.82
132 %guard.cond.85 = and i1 %guard.cond.84, %guard.cond.83
133 %guard.cond.86 = and i1 %guard.cond.85, %guard.cond.84
134 %guard.cond.87 = and i1 %guard.cond.86, %guard.cond.85
135 %guard.cond.88 = and i1 %guard.cond.87, %guard.cond.86
136 %guard.cond.89 = and i1 %guard.cond.88, %guard.cond.87
137 %guard.cond.90 = and i1 %guard.cond.89, %guard.cond.88
138 %guard.cond.91 = and i1 %guard.cond.90, %guard.cond.89
139 %guard.cond.92 = and i1 %guard.cond.91, %guard.cond.90
140 %guard.cond.93 = and i1 %guard.cond.92, %guard.cond.91
141 %guard.cond.94 = and i1 %guard.cond.93, %guard.cond.92
142 %guard.cond.95 = and i1 %guard.cond.94, %guard.cond.93
143 %guard.cond.96 = and i1 %guard.cond.95, %guard.cond.94
144 %guard.cond.97 = and i1 %guard.cond.96, %guard.cond.95
145 %guard.cond.98 = and i1 %guard.cond.97, %guard.cond.96
146 %guard.cond.99 = and i1 %guard.cond.98, %guard.cond.97
147 call void (i1, ...) @llvm.experimental.guard(i1 %guard.cond.99, i32 9) [ "deopt"() ]
148
149 %i.i64 = zext i32 %i to i64
150 %array.i.ptr = getelementptr inbounds i32, i32* %array, i64 %i.i64
151 %array.i = load i32, i32* %array.i.ptr, align 4
152 %loop.acc.next = add i32 %loop.acc, %array.i
153
154 %i.next = add nuw i32 %i, 1
155 %continue = icmp ult i32 %i.next, %n
156 br i1 %continue, label %loop, label %exit
157
158exit:
159 %result = phi i32 [ 0, %entry ], [ %loop.acc.next, %loop ]
160 ret i32 %result
161}