1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -S -loop-unroll -unroll-force-peel-count=1 | FileCheck %s
3 ; RUN: opt < %s -S -passes='loop-unroll<peeling;no-runtime>' -unroll-force-peel-count=1 | FileCheck %s
5 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
6 target triple = "x86_64-unknown-linux-gnu"
8 ; Loop peeling must result in valid scope declartions
10 define internal fastcc void @test01(i8* %p0, i8* %p1, i8* %p2) unnamed_addr align 2 {
11 ; CHECK-LABEL: @test01(
12 ; CHECK-NEXT: for.body47.lr.ph:
13 ; CHECK-NEXT: call void @llvm.experimental.noalias.scope.decl(metadata !0)
14 ; CHECK-NEXT: br label [[FOR_BODY47_PEEL_BEGIN:%.*]]
15 ; CHECK: for.body47.peel.begin:
16 ; CHECK-NEXT: br label [[FOR_BODY47_PEEL:%.*]]
17 ; CHECK: for.body47.peel:
18 ; CHECK-NEXT: call void @llvm.experimental.noalias.scope.decl(metadata !3)
19 ; CHECK-NEXT: store i8 42, i8* [[P0:%.*]], align 1, !alias.scope !3
20 ; CHECK-NEXT: store i8 43, i8* [[P1:%.*]], align 1, !alias.scope !0
21 ; CHECK-NEXT: store i8 44, i8* [[P2:%.*]], align 1, !alias.scope !5
22 ; CHECK-NEXT: store i8 42, i8* [[P0]], align 1, !noalias !3
23 ; CHECK-NEXT: store i8 43, i8* [[P1]], align 1, !noalias !0
24 ; CHECK-NEXT: store i8 44, i8* [[P2]], align 1, !noalias !5
25 ; CHECK-NEXT: [[CMP52_PEEL:%.*]] = icmp eq i32 0, 0
26 ; CHECK-NEXT: br i1 [[CMP52_PEEL]], label [[COND_TRUE_PEEL:%.*]], label [[COND_END_PEEL:%.*]]
27 ; CHECK: cond.true.peel:
28 ; CHECK-NEXT: store i8 52, i8* [[P0]], align 1, !alias.scope !3
29 ; CHECK-NEXT: store i8 53, i8* [[P1]], align 1, !alias.scope !0
30 ; CHECK-NEXT: store i8 54, i8* [[P2]], align 1, !alias.scope !5
31 ; CHECK-NEXT: store i8 52, i8* [[P0]], align 1, !noalias !3
32 ; CHECK-NEXT: store i8 53, i8* [[P1]], align 1, !noalias !0
33 ; CHECK-NEXT: store i8 54, i8* [[P2]], align 1, !noalias !5
34 ; CHECK-NEXT: br label [[COND_END_PEEL]]
35 ; CHECK: cond.end.peel:
36 ; CHECK-NEXT: store i8 62, i8* [[P0]], align 1, !alias.scope !3
37 ; CHECK-NEXT: store i8 63, i8* [[P1]], align 1, !alias.scope !0
38 ; CHECK-NEXT: store i8 64, i8* [[P2]], align 1, !alias.scope !5
39 ; CHECK-NEXT: store i8 62, i8* [[P0]], align 1, !noalias !3
40 ; CHECK-NEXT: store i8 63, i8* [[P1]], align 1, !noalias !0
41 ; CHECK-NEXT: store i8 64, i8* [[P2]], align 1, !noalias !5
42 ; CHECK-NEXT: [[INC_PEEL:%.*]] = add nuw i32 0, 1
43 ; CHECK-NEXT: [[EXITCOND_NOT_PEEL:%.*]] = icmp eq i32 [[INC_PEEL]], undef
44 ; CHECK-NEXT: br i1 [[EXITCOND_NOT_PEEL]], label [[FOR_COND_CLEANUP46:%.*]], label [[FOR_BODY47_PEEL_NEXT:%.*]]
45 ; CHECK: for.body47.peel.next:
46 ; CHECK-NEXT: br label [[FOR_BODY47_PEEL_NEXT1:%.*]]
47 ; CHECK: for.body47.peel.next1:
48 ; CHECK-NEXT: br label [[FOR_BODY47_LR_PH_PEEL_NEWPH:%.*]]
49 ; CHECK: for.body47.lr.ph.peel.newph:
50 ; CHECK-NEXT: br label [[FOR_BODY47:%.*]]
51 ; CHECK: for.cond.cleanup46.loopexit:
52 ; CHECK-NEXT: br label [[FOR_COND_CLEANUP46]]
53 ; CHECK: for.cond.cleanup46:
54 ; CHECK-NEXT: ret void
56 ; CHECK-NEXT: [[J_02:%.*]] = phi i32 [ [[INC_PEEL]], [[FOR_BODY47_LR_PH_PEEL_NEWPH]] ], [ [[INC:%.*]], [[COND_END:%.*]] ]
57 ; CHECK-NEXT: call void @llvm.experimental.noalias.scope.decl(metadata !6)
58 ; CHECK-NEXT: store i8 42, i8* [[P0]], align 1, !alias.scope !6
59 ; CHECK-NEXT: store i8 43, i8* [[P1]], align 1, !alias.scope !0
60 ; CHECK-NEXT: store i8 44, i8* [[P2]], align 1, !alias.scope !8
61 ; CHECK-NEXT: store i8 42, i8* [[P0]], align 1, !noalias !6
62 ; CHECK-NEXT: store i8 43, i8* [[P1]], align 1, !noalias !0
63 ; CHECK-NEXT: store i8 44, i8* [[P2]], align 1, !noalias !8
64 ; CHECK-NEXT: br i1 false, label [[COND_TRUE:%.*]], label [[COND_END]]
66 ; CHECK-NEXT: store i8 52, i8* [[P0]], align 1, !alias.scope !6
67 ; CHECK-NEXT: store i8 53, i8* [[P1]], align 1, !alias.scope !0
68 ; CHECK-NEXT: store i8 54, i8* [[P2]], align 1, !alias.scope !8
69 ; CHECK-NEXT: store i8 52, i8* [[P0]], align 1, !noalias !6
70 ; CHECK-NEXT: store i8 53, i8* [[P1]], align 1, !noalias !0
71 ; CHECK-NEXT: store i8 54, i8* [[P2]], align 1, !noalias !8
72 ; CHECK-NEXT: br label [[COND_END]]
74 ; CHECK-NEXT: store i8 62, i8* [[P0]], align 1, !alias.scope !6
75 ; CHECK-NEXT: store i8 63, i8* [[P1]], align 1, !alias.scope !0
76 ; CHECK-NEXT: store i8 64, i8* [[P2]], align 1, !alias.scope !8
77 ; CHECK-NEXT: store i8 62, i8* [[P0]], align 1, !noalias !6
78 ; CHECK-NEXT: store i8 63, i8* [[P1]], align 1, !noalias !0
79 ; CHECK-NEXT: store i8 64, i8* [[P2]], align 1, !noalias !8
80 ; CHECK-NEXT: [[INC]] = add nuw i32 [[J_02]], 1
81 ; CHECK-NEXT: br i1 undef, label [[FOR_COND_CLEANUP46_LOOPEXIT:%.*]], label [[FOR_BODY47]], [[LOOP9:!llvm.loop !.*]]
84 call void @llvm.experimental.noalias.scope.decl(metadata !5)
87 for.cond.cleanup46: ; preds = %cond.end
90 for.body47: ; preds = %cond.end, %for.body47.lr.ph
91 %j.02 = phi i32 [ 0, %for.body47.lr.ph ], [ %inc, %cond.end ]
92 call void @llvm.experimental.noalias.scope.decl(metadata !0)
93 store i8 42, i8* %p0, !alias.scope !0
94 store i8 43, i8* %p1, !alias.scope !5
95 store i8 44, i8* %p2, !alias.scope !7
96 store i8 42, i8* %p0, !noalias !0
97 store i8 43, i8* %p1, !noalias !5
98 store i8 44, i8* %p2, !noalias !7
99 %cmp52 = icmp eq i32 %j.02, 0
100 br i1 %cmp52, label %cond.true, label %cond.end
102 cond.true: ; preds = %for.body47
103 store i8 52, i8* %p0, !alias.scope !0
104 store i8 53, i8* %p1, !alias.scope !5
105 store i8 54, i8* %p2, !alias.scope !7
106 store i8 52, i8* %p0, !noalias !0
107 store i8 53, i8* %p1, !noalias !5
108 store i8 54, i8* %p2, !noalias !7
111 cond.end: ; preds = %cond.true, %for.body47
112 store i8 62, i8* %p0, !alias.scope !0
113 store i8 63, i8* %p1, !alias.scope !5
114 store i8 64, i8* %p2, !alias.scope !7
115 store i8 62, i8* %p0, !noalias !0
116 store i8 63, i8* %p1, !noalias !5
117 store i8 64, i8* %p2, !noalias !7
118 %inc = add nuw i32 %j.02, 1
119 %exitcond.not = icmp eq i32 %inc, undef
120 br i1 %exitcond.not, label %for.cond.cleanup46, label %for.body47, !llvm.loop !3
123 ; Function Attrs: inaccessiblememonly nofree nosync nounwind willreturn
124 declare void @llvm.experimental.noalias.scope.decl(metadata) #0
126 attributes #0 = { inaccessiblememonly nofree nosync nounwind willreturn }
129 !1 = distinct !{!1, !2, !"foo: %inner.result"}
130 !2 = distinct !{!2, !"foo"}
131 !3 = distinct !{!3, !4}
132 !4 = !{!"llvm.loop.mustprogress"}
134 !6 = distinct !{!6, !2, !"foo: %outer.result"}
138 ; CHECK: !1 = distinct !{!1, !2, !"foo: %outer.result"}
139 ; CHECK: !2 = distinct !{!2, !"foo"}
141 ; CHECK: !4 = distinct !{!4, !2, !"foo: %inner.result:Peel0"}
142 ; CHECK: !5 = !{!4, !1}
144 ; CHECK: !7 = distinct !{!7, !2, !"foo: %inner.result"}
145 ; CHECK: !8 = !{!7, !1}
146 ; CHECK: !9 = distinct !{!9, !10, !11, !12}
147 ; CHECK: !10 = !{!"llvm.loop.mustprogress"}
148 ; CHECK: !11 = !{!"llvm.loop.peeled.count", i32 1}
149 ; CHECK: !12 = !{!"llvm.loop.unroll.disable"}