1 ; RUN: opt -loop-rotate -licm -enable-mssa-loop-dependency -verify-memoryssa %s -S | FileCheck %s
4 target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-v128:64-a:8:16-n32:64"
5 target triple = "s390x-ibm-linux"
7 declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture)
9 ; CHECK-LABEL: @func_42()
10 define void @func_42() {
12 br label %for.cond1050
14 for.cond1050.loopexit: ; preds = %for.cond1373
15 br label %for.cond1050
17 for.cond1050: ; preds = %for.cond1050.loopexit, %entry
18 %storemerge6 = phi i32 [ 2, %entry ], [ 0, %for.cond1050.loopexit ]
19 %cmp1051 = icmp sgt i32 %storemerge6, -1
20 br i1 %cmp1051, label %for.cond1055.preheader, label %cleanup1400.loopexit1
22 for.cond1055.preheader: ; preds = %for.cond1050
23 store i64 0, i64* null, align 8
24 %0 = load i64, i64* null, align 8
25 %tobool1383 = icmp eq i64 %0, 0
26 br i1 %tobool1383, label %for.cond1055.preheader.cleanup1400.loopexit.split_crit_edge, label %for.cond1055.preheader.for.cond1055.preheader.split_crit_edge
28 for.cond1055.preheader.for.cond1055.preheader.split_crit_edge: ; preds = %for.cond1055.preheader
29 br label %for.body1376
31 for.cond1055.preheader.cleanup1400.loopexit.split_crit_edge: ; preds = %for.cond1055.preheader
32 br label %cleanup1400.loopexit.split
34 for.cond1373: ; preds = %for.body1376
35 br i1 true, label %for.body1376, label %for.cond1050.loopexit
37 for.body1376: ; preds = %for.cond1373, %for.cond1055.preheader.for.cond1055.preheader.split_crit_edge
38 br i1 false, label %cleanup1400.loopexit, label %for.cond1373
40 cleanup1400.loopexit: ; preds = %for.body1376
41 br label %cleanup1400.loopexit.split
43 cleanup1400.loopexit.split: ; preds = %cleanup1400.loopexit, %for.cond1055.preheader.cleanup1400.loopexit.split_crit_edge
46 cleanup1400.loopexit1: ; preds = %for.cond1050
49 cleanup1400: ; preds = %cleanup1400.loopexit1, %cleanup1400.loopexit.split
50 call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull undef)