1 ; RUN: opt %loadPolly -polly-print-simplify -polly-optree -disable-output < %s | FileCheck %s -match-full-lines
4 ; Use-after-free by reference to Stmt remaining in InstStmtMap after removing it has been removed by Scop::simplifyScop.
5 ; Removal happened in -polly-simplify, Reference was using in -polly-optree.
6 ; Check that Simplify removes the definition of %0 as well of its use.
8 target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
9 target triple = "x86_64-pc-windows-msvc19.26.28806"
11 @"?var_27@@3JA" = external dso_local local_unnamed_addr global i32, align 4
12 @"?var_28@@3HA" = external dso_local local_unnamed_addr global i32, align 4
14 ; Function Attrs: nofree norecurse nounwind uwtable
15 define dso_local void @"?test@@YAXHEQEAY3M@1BI@BJ@H@Z"(i32 %a, i8 %b, ptr nocapture readonly %c) local_unnamed_addr {
19 entry.split: ; preds = %entry
20 %sext = shl i32 %a, 16
21 %conv4 = ashr exact i32 %sext, 16
22 %sub = add nsw i32 %conv4, -25941
23 %cmp535 = icmp sgt i32 %sext, 1700069376
24 br i1 %cmp535, label %for.cond8.preheader.lr.ph, label %for.cond.cleanup.critedge
26 for.cond8.preheader.lr.ph: ; preds = %entry.split
27 %conv10 = zext i8 %b to i64
28 %sub11 = add nsw i64 %conv10, -129
29 %cmp1232.not = icmp eq i64 %sub11, 0
30 br i1 %cmp1232.not, label %for.cond8.preheader, label %for.cond8.preheader.us
32 for.cond8.preheader.us: ; preds = %for.cond8.preheader.lr.ph, %for.cond8.for.cond.cleanup13_crit_edge.us
33 %e.036.us = phi i16 [ %add.us, %for.cond8.for.cond.cleanup13_crit_edge.us ], [ 0, %for.cond8.preheader.lr.ph ]
34 %idxprom.us = sext i16 %e.036.us to i64
35 br label %for.body14.us
37 for.body14.us: ; preds = %for.cond8.preheader.us, %for.body14.us
38 %indvars.iv = phi i64 [ 0, %for.cond8.preheader.us ], [ %indvars.iv.next, %for.body14.us ]
39 %arrayidx19.us = getelementptr inbounds [12 x [2 x [24 x [25 x i32]]]], ptr %c, i64 6, i64 2, i64 1, i64 %idxprom.us, i64 %indvars.iv
40 %0 = load i32, ptr %arrayidx19.us, align 4, !tbaa !3
41 store i32 0, ptr @"?var_28@@3HA", align 4, !tbaa !3
42 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
43 %exitcond.not = icmp eq i64 %indvars.iv.next, %sub11
44 br i1 %exitcond.not, label %for.cond8.for.cond.cleanup13_crit_edge.us, label %for.body14.us
46 for.cond8.for.cond.cleanup13_crit_edge.us: ; preds = %for.body14.us
47 %add.us = add i16 %e.036.us, 4
48 %conv2.us = sext i16 %add.us to i32
49 %cmp5.us = icmp sgt i32 %sub, %conv2.us
50 br i1 %cmp5.us, label %for.cond8.preheader.us, label %for.cond.cleanup.critedge.loopexit38
52 for.cond.cleanup.critedge.loopexit38: ; preds = %for.cond8.for.cond.cleanup13_crit_edge.us
53 store i32 %0, ptr @"?var_27@@3JA", align 4, !tbaa !7
54 br label %for.cond.cleanup.critedge
56 for.cond.cleanup.critedge: ; preds = %for.cond8.preheader, %for.cond.cleanup.critedge.loopexit38, %entry.split
59 for.cond8.preheader: ; preds = %for.cond8.preheader.lr.ph, %for.cond8.preheader
60 %e.036 = phi i16 [ %add, %for.cond8.preheader ], [ 0, %for.cond8.preheader.lr.ph ]
61 %add = add i16 %e.036, 4
62 %conv2 = sext i16 %add to i32
63 %cmp5 = icmp sgt i32 %sub, %conv2
64 br i1 %cmp5, label %for.cond8.preheader, label %for.cond.cleanup.critedge
68 !4 = !{!"int", !5, i64 0}
69 !5 = !{!"omnipotent char", !6, i64 0}
70 !6 = !{!"Simple C++ TBAA"}
72 !8 = !{!"long", !5, i64 0}
76 ; CHECK: Empty domains removed: 2
79 ; CHECK: After accesses {
80 ; CHECK-NOT: Stmt_for_body14_us_a
81 ; CHECK-NOT: Stmt_for_body14_us