1 ; RUN: opt %loadPolly -polly-print-scops -polly-print-delicm -disable-output < %s | FileCheck %s
5 ; This test case has an InvalidContext such that part of the predecessors
6 ; of for.body.us.i lie within the invalid context. This causes a
7 ; consistency check withing the invalid context of PR41656 to fail.
9 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
11 define dso_local void @main() local_unnamed_addr #0 {
13 %call24 = tail call i32 @av_get_channel_layout_nb_channels() #2
16 if.end30: ; preds = %entry
17 br i1 undef, label %if.then40, label %do.body.preheader
19 do.body.preheader: ; preds = %if.end30
20 %idx.ext.i = sext i32 %call24 to i64
21 %wide.trip.count.i = zext i32 %call24 to i64
22 %0 = load ptr, ptr undef, align 8, !tbaa !1
23 br label %for.body.us.preheader.i
25 if.then40: ; preds = %if.end30
28 for.body.us.preheader.i: ; preds = %do.body.preheader
29 br i1 false, label %for.body.us.i.us, label %for.body.us.i
31 for.body.us.i.us: ; preds = %for.body.us.preheader.i
32 br label %fill_samples.exit
34 for.body.us.i: ; preds = %for.cond2.for.end_crit_edge.us.i, %for.body.us.preheader.i
35 %t.1 = phi double [ undef, %for.cond2.for.end_crit_edge.us.i ], [ 0.000000e+00, %for.body.us.preheader.i ]
36 %i.05.us.i = phi i32 [ %inc8.us.i, %for.cond2.for.end_crit_edge.us.i ], [ 0, %for.body.us.preheader.i ]
37 %dstp.03.us.i = phi ptr [ %add.ptr.us.i, %for.cond2.for.end_crit_edge.us.i ], [ %0, %for.body.us.preheader.i ]
38 %mul.us.i = fmul nsz double %t.1, 0x40A59933FC6A96C1
39 %1 = call nsz double @llvm.sin.f64(double %mul.us.i) #2
40 store double %1, ptr %dstp.03.us.i, align 8, !tbaa !5
41 br label %for.body5.us.for.body5.us_crit_edge.i
43 for.body5.us.for.body5.us_crit_edge.i: ; preds = %for.body5.us.for.body5.us_crit_edge.i.for.body5.us.for.body5.us_crit_edge.i_crit_edge, %for.body.us.i
44 %indvars.iv.next.i66 = phi i64 [ 2, %for.body.us.i ], [ %indvars.iv.next.i, %for.body5.us.for.body5.us_crit_edge.i.for.body5.us.for.body5.us_crit_edge.i_crit_edge ]
45 %indvars.iv.next.i = add nuw nsw i64 %indvars.iv.next.i66, 1
46 %exitcond.i = icmp eq i64 %indvars.iv.next.i, %wide.trip.count.i
47 br i1 %exitcond.i, label %for.cond2.for.end_crit_edge.us.i, label %for.body5.us.for.body5.us_crit_edge.i.for.body5.us.for.body5.us_crit_edge.i_crit_edge
49 for.body5.us.for.body5.us_crit_edge.i.for.body5.us.for.body5.us_crit_edge.i_crit_edge: ; preds = %for.body5.us.for.body5.us_crit_edge.i
50 %.pre10.i.pre = load i64, ptr %dstp.03.us.i, align 8, !tbaa !5
51 br label %for.body5.us.for.body5.us_crit_edge.i
53 for.cond2.for.end_crit_edge.us.i: ; preds = %for.body5.us.for.body5.us_crit_edge.i
54 %add.ptr.us.i = getelementptr inbounds double, ptr %dstp.03.us.i, i64 %idx.ext.i
55 %inc8.us.i = add nuw nsw i32 %i.05.us.i, 1
56 %exitcond7.i = icmp eq i32 %inc8.us.i, 1024
57 br i1 %exitcond7.i, label %fill_samples.exit, label %for.body.us.i
59 fill_samples.exit: ; preds = %for.cond2.for.end_crit_edge.us.i, %for.body.us.i.us
63 declare dso_local i32 @av_get_channel_layout_nb_channels() local_unnamed_addr #0
65 ; Function Attrs: nounwind readnone speculatable
66 declare double @llvm.sin.f64(double) #1
68 attributes #0 = { "use-soft-float"="false" }
69 attributes #1 = { nounwind readnone speculatable }
70 attributes #2 = { nounwind }
74 !0 = !{!"clang version 9.0.0 (https://github.com/llvm/llvm-project.git 2436237895b70ed44cf256f67eb2f74e147eb559)"}
76 !2 = !{!"any pointer", !3, i64 0}
77 !3 = !{!"omnipotent char", !4, i64 0}
78 !4 = !{!"Simple C/C++ TBAA"}
80 !6 = !{!"double", !3, i64 0}
83 ; CHECK: Invalid Context:
84 ; CHECK-NEXT: [call24] -> { : false }
85 ; CHECK: Defined Behavior Context:
86 ; CHECK-NEXT: [call24] -> { : 3 <= call24 <= 2147483647 }
88 ; Only write to scalar if call24 >= 3 (i.e. not in invalid context)
89 ; Since it should be never executed otherwise, the condition is not strictly necessary.
90 ; CHECK-LABEL: DeLICM result:
91 ; CHECK: Stmt_for_body_us_preheader_i
92 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
93 ; CHECK-NEXT: [call24] -> { Stmt_for_body_us_preheader_i[] -> MemRef_t_1__phi[] };
94 ; CHECK-NEXT: new: [call24] -> { Stmt_for_body_us_preheader_i[] -> MemRef1[0, 0] : call24 >= 3 };