1; RUN: llc -verify-machineinstrs -mtriple=s390x-ibm-linux -mcpu=z13 -O3 -hoist-const-stores < %s | FileCheck %s 2 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 ptr @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 12 13; Function Attrs: nounwind 14define dso_local signext i32 @main() { 15entry: 16 %i = alloca i32, align 4 17 %.pr = load i32, ptr @c, align 4, !tbaa !2 18 %cmp6 = icmp slt i32 %.pr, 6 19 br i1 %cmp6, label %for.body.preheader, label %for.end 20 21for.body.preheader: ; preds = %entry 22 store i32 5, ptr getelementptr inbounds ([6 x i32], ptr @a, i64 0, i64 1), align 4, !tbaa !2 23 store i32 6, ptr @c, align 4, !tbaa !2 24 br label %for.end 25 26for.end: ; preds = %for.body.preheader, %entry 27 call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %i) 28 store i32 14, ptr %i, align 4, !tbaa !2 29 %.pr2 = load i32, ptr @d, align 4, !tbaa !2 30 %cmp25 = icmp sgt i32 %.pr2, -1 31 br i1 %cmp25, label %for.cond4thread-pre-split.lr.ph, label %for.end.for.end11_crit_edge 32 33for.end.for.end11_crit_edge: ; preds = %for.end 34 %.pre10 = load i32, ptr @b, align 4, !tbaa !2 35 br label %for.end11 36 37; CHECK: # %for.cond4thread-pre-split.lr.ph 38; CHECK-NOT: mvhi 164(%r15), 0 39; CHECK: # %for.end9 40; CHECK: mvhi 164(%r15), 0 41 42for.cond4thread-pre-split.lr.ph: ; preds = %for.end 43 %0 = ptrtoint ptr %i to i64 44 %1 = trunc i64 %0 to i32 45 %2 = load ptr, ptr @g, align 8 46 %.pr3.pre = load i32, ptr @e, align 4, !tbaa !2 47 br label %for.cond4thread-pre-split 48 49for.cond4thread-pre-split: ; preds = %for.cond4thread-pre-split.lr.ph, %for.end9 50 %3 = phi i32 [ %.pr2, %for.cond4thread-pre-split.lr.ph ], [ %dec, %for.end9 ] 51 %4 = phi i32 [ 14, %for.cond4thread-pre-split.lr.ph ], [ 0, %for.end9 ] 52 %.pr3 = phi i32 [ %.pr3.pre, %for.cond4thread-pre-split.lr.ph ], [ %.pr37, %for.end9 ] 53 %cmp54 = icmp slt i32 %.pr3, 1 54 br i1 %cmp54, label %for.body6.preheader, label %for.end9 55 56for.body6.preheader: ; preds = %for.cond4thread-pre-split 57 store i32 %4, ptr %2, align 4, !tbaa !2 58 %5 = load i32, ptr @e, align 4, !tbaa !2 59 %inc811 = add nsw i32 %5, 1 60 store i32 %inc811, ptr @e, align 4, !tbaa !2 61 %cmp512 = icmp slt i32 %5, 0 62 br i1 %cmp512, label %for.body6.for.body6_crit_edge, label %for.end9.loopexit 63 64for.body6.for.body6_crit_edge: ; preds = %for.body6.preheader, %for.body6.for.body6_crit_edge.3 65 %.pre = load i32, ptr %i, align 4, !tbaa !2 66 store i32 %.pre, ptr %2, align 4, !tbaa !2 67 %6 = load i32, ptr @e, align 4, !tbaa !2 68 %inc8 = add nsw i32 %6, 1 69 store i32 %inc8, ptr @e, align 4, !tbaa !2 70 %cmp5 = icmp slt i32 %6, 0 71 br i1 %cmp5, label %for.body6.for.body6_crit_edge.1, label %for.end9.loopexit 72 73for.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 74 %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 ] 75 %.pre9 = load i32, ptr @d, align 4, !tbaa !2 76 br label %for.end9 77 78for.end9: ; preds = %for.end9.loopexit, %for.cond4thread-pre-split 79 %7 = phi i32 [ %.pre9, %for.end9.loopexit ], [ %3, %for.cond4thread-pre-split ] 80 %.pr37 = phi i32 [ %inc8.lcssa, %for.end9.loopexit ], [ %.pr3, %for.cond4thread-pre-split ] 81 store i32 %1, ptr @h, align 4, !tbaa !2 82 store i32 0, ptr %i, align 4, !tbaa !2 83 %8 = load i32, ptr @b, align 4, !tbaa !2 84 %9 = load i32, ptr @f, align 4, !tbaa !2 85 %xor = xor i32 %9, %8 86 %idxprom = sext i32 %xor to i64 87 %arrayidx = getelementptr inbounds [6 x i32], ptr @a, i64 0, i64 %idxprom 88 %10 = load i32, ptr %arrayidx, align 4, !tbaa !2 89 store i32 %10, ptr @b, align 4, !tbaa !2 90 %dec = add nsw i32 %7, -1 91 store i32 %dec, ptr @d, align 4, !tbaa !2 92 %cmp2 = icmp sgt i32 %7, 0 93 br i1 %cmp2, label %for.cond4thread-pre-split, label %for.end11 94 95for.end11: ; preds = %for.end9, %for.end.for.end11_crit_edge 96 %11 = phi i32 [ %.pre10, %for.end.for.end11_crit_edge ], [ %10, %for.end9 ] 97 %call = call signext i32 (ptr, ...) @printf(ptr @.str, i32 signext %11) 98 call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %i) 99 ret i32 0 100 101for.body6.for.body6_crit_edge.1: ; preds = %for.body6.for.body6_crit_edge 102 %.pre.1 = load i32, ptr %i, align 4, !tbaa !2 103 store i32 %.pre.1, ptr %2, align 4, !tbaa !2 104 %12 = load i32, ptr @e, align 4, !tbaa !2 105 %inc8.1 = add nsw i32 %12, 1 106 store i32 %inc8.1, ptr @e, align 4, !tbaa !2 107 %cmp5.1 = icmp slt i32 %12, 0 108 br i1 %cmp5.1, label %for.body6.for.body6_crit_edge.2, label %for.end9.loopexit 109 110for.body6.for.body6_crit_edge.2: ; preds = %for.body6.for.body6_crit_edge.1 111 %.pre.2 = load i32, ptr %i, align 4, !tbaa !2 112 store i32 %.pre.2, ptr %2, align 4, !tbaa !2 113 %13 = load i32, ptr @e, align 4, !tbaa !2 114 %inc8.2 = add nsw i32 %13, 1 115 store i32 %inc8.2, ptr @e, align 4, !tbaa !2 116 %cmp5.2 = icmp slt i32 %13, 0 117 br i1 %cmp5.2, label %for.body6.for.body6_crit_edge.3, label %for.end9.loopexit 118 119for.body6.for.body6_crit_edge.3: ; preds = %for.body6.for.body6_crit_edge.2 120 %.pre.3 = load i32, ptr %i, align 4, !tbaa !2 121 store i32 %.pre.3, ptr %2, align 4, !tbaa !2 122 %14 = load i32, ptr @e, align 4, !tbaa !2 123 %inc8.3 = add nsw i32 %14, 1 124 store i32 %inc8.3, ptr @e, align 4, !tbaa !2 125 %cmp5.3 = icmp slt i32 %14, 0 126 br i1 %cmp5.3, label %for.body6.for.body6_crit_edge, label %for.end9.loopexit 127} 128 129; Function Attrs: argmemonly nounwind 130declare void @llvm.lifetime.start.p0(i64, ptr nocapture) 131 132; Function Attrs: argmemonly nounwind 133declare void @llvm.lifetime.end.p0(i64, ptr nocapture) 134 135; Function Attrs: nounwind 136declare dso_local signext i32 @printf(ptr nocapture readonly, ...) 137 138!llvm.module.flags = !{!0} 139 140!0 = !{i32 1, !"wchar_size", i32 4} 141!2 = !{!3, !3, i64 0} 142!3 = !{!"int", !4, i64 0} 143!4 = !{!"omnipotent char", !5, i64 0} 144!5 = !{!"Simple C/C++ TBAA"} 145