1 ; RUN: llc -verify-machineinstrs -mtriple=s390x-ibm-linux -mcpu=z13 -O3 -hoist-const-stores < %s | FileCheck %s
3 @b = dso_local local_unnamed_addr global i32 15, align 4
4 @e = dso_local local_unnamed_addr global i32 -1, align 4
5 @f = common dso_local global i32 0, align 4
6 @g = dso_local local_unnamed_addr global i32* @f, align 8
7 @c = common dso_local local_unnamed_addr global i32 0, align 4
8 @a = common dso_local local_unnamed_addr global [6 x i32] zeroinitializer, align 4
9 @d = common dso_local local_unnamed_addr global i32 0, align 4
10 @h = common dso_local local_unnamed_addr global i32 0, align 4
11 @.str = private unnamed_addr constant [15 x i8] c"checksum = %X\0A\00", align 2
13 ; Function Attrs: nounwind
14 define dso_local signext i32 @main() {
16 %i = alloca i32, align 4
17 %.pr = load i32, i32* @c, align 4, !tbaa !2
18 %cmp6 = icmp slt i32 %.pr, 6
19 br i1 %cmp6, label %for.body.preheader, label %for.end
21 for.body.preheader: ; preds = %entry
22 store i32 5, i32* getelementptr inbounds ([6 x i32], [6 x i32]* @a, i64 0, i64 1), align 4, !tbaa !2
23 store i32 6, i32* @c, align 4, !tbaa !2
26 for.end: ; preds = %for.body.preheader, %entry
27 %0 = bitcast i32* %i to i8*
28 call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %0)
29 store i32 14, i32* %i, align 4, !tbaa !2
30 %.pr2 = load i32, i32* @d, align 4, !tbaa !2
31 %cmp25 = icmp sgt i32 %.pr2, -1
32 br i1 %cmp25, label %for.cond4thread-pre-split.lr.ph, label %for.end.for.end11_crit_edge
34 for.end.for.end11_crit_edge: ; preds = %for.end
35 %.pre10 = load i32, i32* @b, align 4, !tbaa !2
38 ; CHECK: # %for.cond4thread-pre-split.lr.ph
39 ; CHECK-NOT: mvhi 164(%r15), 0
41 ; CHECK: mvhi 164(%r15), 0
43 for.cond4thread-pre-split.lr.ph: ; preds = %for.end
44 %1 = ptrtoint i32* %i to i64
45 %2 = trunc i64 %1 to i32
46 %3 = load i32*, i32** @g, align 8
47 %.pr3.pre = load i32, i32* @e, align 4, !tbaa !2
48 br label %for.cond4thread-pre-split
50 for.cond4thread-pre-split: ; preds = %for.cond4thread-pre-split.lr.ph, %for.end9
51 %4 = phi i32 [ %.pr2, %for.cond4thread-pre-split.lr.ph ], [ %dec, %for.end9 ]
52 %5 = phi i32 [ 14, %for.cond4thread-pre-split.lr.ph ], [ 0, %for.end9 ]
53 %.pr3 = phi i32 [ %.pr3.pre, %for.cond4thread-pre-split.lr.ph ], [ %.pr37, %for.end9 ]
54 %cmp54 = icmp slt i32 %.pr3, 1
55 br i1 %cmp54, label %for.body6.preheader, label %for.end9
57 for.body6.preheader: ; preds = %for.cond4thread-pre-split
58 store i32 %5, i32* %3, align 4, !tbaa !2
59 %6 = load i32, i32* @e, align 4, !tbaa !2
60 %inc811 = add nsw i32 %6, 1
61 store i32 %inc811, i32* @e, align 4, !tbaa !2
62 %cmp512 = icmp slt i32 %6, 0
63 br i1 %cmp512, label %for.body6.for.body6_crit_edge, label %for.end9.loopexit
65 for.body6.for.body6_crit_edge: ; preds = %for.body6.preheader, %for.body6.for.body6_crit_edge.3
66 %.pre = load i32, i32* %i, align 4, !tbaa !2
67 store i32 %.pre, i32* %3, align 4, !tbaa !2
68 %7 = load i32, i32* @e, align 4, !tbaa !2
69 %inc8 = add nsw i32 %7, 1
70 store i32 %inc8, i32* @e, align 4, !tbaa !2
71 %cmp5 = icmp slt i32 %7, 0
72 br i1 %cmp5, label %for.body6.for.body6_crit_edge.1, label %for.end9.loopexit
74 for.end9.loopexit: ; preds = %for.body6.for.body6_crit_edge, %for.body6.for.body6_crit_edge.1, %for.body6.for.body6_crit_edge.2, %for.body6.for.body6_crit_edge.3, %for.body6.preheader
75 %inc8.lcssa = phi i32 [ %inc811, %for.body6.preheader ], [ %inc8, %for.body6.for.body6_crit_edge ], [ %inc8.1, %for.body6.for.body6_crit_edge.1 ], [ %inc8.2, %for.body6.for.body6_crit_edge.2 ], [ %inc8.3, %for.body6.for.body6_crit_edge.3 ]
76 %.pre9 = load i32, i32* @d, align 4, !tbaa !2
79 for.end9: ; preds = %for.end9.loopexit, %for.cond4thread-pre-split
80 %8 = phi i32 [ %.pre9, %for.end9.loopexit ], [ %4, %for.cond4thread-pre-split ]
81 %.pr37 = phi i32 [ %inc8.lcssa, %for.end9.loopexit ], [ %.pr3, %for.cond4thread-pre-split ]
82 store i32 %2, i32* @h, align 4, !tbaa !2
83 store i32 0, i32* %i, align 4, !tbaa !2
84 %9 = load i32, i32* @b, align 4, !tbaa !2
85 %10 = load i32, i32* @f, align 4, !tbaa !2
86 %xor = xor i32 %10, %9
87 %idxprom = sext i32 %xor to i64
88 %arrayidx = getelementptr inbounds [6 x i32], [6 x i32]* @a, i64 0, i64 %idxprom
89 %11 = load i32, i32* %arrayidx, align 4, !tbaa !2
90 store i32 %11, i32* @b, align 4, !tbaa !2
91 %dec = add nsw i32 %8, -1
92 store i32 %dec, i32* @d, align 4, !tbaa !2
93 %cmp2 = icmp sgt i32 %8, 0
94 br i1 %cmp2, label %for.cond4thread-pre-split, label %for.end11
96 for.end11: ; preds = %for.end9, %for.end.for.end11_crit_edge
97 %12 = phi i32 [ %.pre10, %for.end.for.end11_crit_edge ], [ %11, %for.end9 ]
98 %call = call signext i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0), i32 signext %12)
99 call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %0)
102 for.body6.for.body6_crit_edge.1: ; preds = %for.body6.for.body6_crit_edge
103 %.pre.1 = load i32, i32* %i, align 4, !tbaa !2
104 store i32 %.pre.1, i32* %3, align 4, !tbaa !2
105 %13 = load i32, i32* @e, align 4, !tbaa !2
106 %inc8.1 = add nsw i32 %13, 1
107 store i32 %inc8.1, i32* @e, align 4, !tbaa !2
108 %cmp5.1 = icmp slt i32 %13, 0
109 br i1 %cmp5.1, label %for.body6.for.body6_crit_edge.2, label %for.end9.loopexit
111 for.body6.for.body6_crit_edge.2: ; preds = %for.body6.for.body6_crit_edge.1
112 %.pre.2 = load i32, i32* %i, align 4, !tbaa !2
113 store i32 %.pre.2, i32* %3, align 4, !tbaa !2
114 %14 = load i32, i32* @e, align 4, !tbaa !2
115 %inc8.2 = add nsw i32 %14, 1
116 store i32 %inc8.2, i32* @e, align 4, !tbaa !2
117 %cmp5.2 = icmp slt i32 %14, 0
118 br i1 %cmp5.2, label %for.body6.for.body6_crit_edge.3, label %for.end9.loopexit
120 for.body6.for.body6_crit_edge.3: ; preds = %for.body6.for.body6_crit_edge.2
121 %.pre.3 = load i32, i32* %i, align 4, !tbaa !2
122 store i32 %.pre.3, i32* %3, align 4, !tbaa !2
123 %15 = load i32, i32* @e, align 4, !tbaa !2
124 %inc8.3 = add nsw i32 %15, 1
125 store i32 %inc8.3, i32* @e, align 4, !tbaa !2
126 %cmp5.3 = icmp slt i32 %15, 0
127 br i1 %cmp5.3, label %for.body6.for.body6_crit_edge, label %for.end9.loopexit
130 ; Function Attrs: argmemonly nounwind
131 declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
133 ; Function Attrs: argmemonly nounwind
134 declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
136 ; Function Attrs: nounwind
137 declare dso_local signext i32 @printf(i8* nocapture readonly, ...)
139 !llvm.module.flags = !{!0}
141 !0 = !{i32 1, !"wchar_size", i32 4}
142 !2 = !{!3, !3, i64 0}
143 !3 = !{!"int", !4, i64 0}
144 !4 = !{!"omnipotent char", !5, i64 0}
145 !5 = !{!"Simple C/C++ TBAA"}