; LLVM IR from tangjz/acm-icpc :: lydsy/4262.ll (Z5solvev)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%struct.Event = type { i32, i32, i32, i64 }

@etot = external dso_local global i32, align 4
@ord = external dso_local global [1600017 x i32], align 16
@eve = external dso_local global [1600017 x %struct.Event], align 16

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z3cmpRKiS0_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5solveii(i32 noundef, i32 noundef) #3

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i64, align 8
  %7 = alloca %struct.Event, align 8
  %8 = load i32, ptr @etot, align 4, !tbaa !5
  %9 = sext i32 %8 to i64
  %10 = getelementptr inbounds i32, ptr @ord, i64 %9
  call void @_ZSt4sortIPiPFbRKiS2_EEvT_S5_T0_(ptr noundef @ord, ptr noundef %10, ptr noundef @_Z3cmpRKiS0_)
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #5
  store i32 0, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %11

11:                                               ; preds = %113, %0
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = load i32, ptr @etot, align 4, !tbaa !5
  %14 = icmp slt i32 %12, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  br label %114

16:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [1600017 x i32], ptr @ord, i64 0, i64 %18
  %20 = load i32, ptr %19, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [1600017 x %struct.Event], ptr @eve, i64 0, i64 %21
  %23 = getelementptr inbounds %struct.Event, ptr %22, i32 0, i32 0
  %24 = load i32, ptr %23, align 8, !tbaa !9
  store i32 %24, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [1600017 x i32], ptr @ord, i64 0, i64 %26
  %28 = load i32, ptr %27, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds [1600017 x %struct.Event], ptr @eve, i64 0, i64 %29
  %31 = getelementptr inbounds %struct.Event, ptr %30, i32 0, i32 1
  %32 = load i32, ptr %31, align 4, !tbaa !12
  store i32 %32, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  %33 = load i32, ptr %2, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds [1600017 x i32], ptr @ord, i64 0, i64 %34
  %36 = load i32, ptr %35, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [1600017 x %struct.Event], ptr @eve, i64 0, i64 %37
  %39 = getelementptr inbounds %struct.Event, ptr %38, i32 0, i32 2
  %40 = load i32, ptr %39, align 8, !tbaa !13
  store i32 %40, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  store i64 0, ptr %6, align 8, !tbaa !14
  br label %41

41:                                               ; preds = %91, %16
  %42 = load i32, ptr %2, align 4, !tbaa !5
  %43 = load i32, ptr @etot, align 4, !tbaa !5
  %44 = icmp slt i32 %42, %43
  br i1 %44, label %45, label %78

45:                                               ; preds = %41
  %46 = load i32, ptr %2, align 4, !tbaa !5
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds [1600017 x i32], ptr @ord, i64 0, i64 %47
  %49 = load i32, ptr %48, align 4, !tbaa !5
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds [1600017 x %struct.Event], ptr @eve, i64 0, i64 %50
  %52 = getelementptr inbounds %struct.Event, ptr %51, i32 0, i32 0
  %53 = load i32, ptr %52, align 8, !tbaa !9
  %54 = load i32, ptr %3, align 4, !tbaa !5
  %55 = icmp eq i32 %53, %54
  br i1 %55, label %56, label %78

56:                                               ; preds = %45
  %57 = load i32, ptr %2, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds [1600017 x i32], ptr @ord, i64 0, i64 %58
  %60 = load i32, ptr %59, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = getelementptr inbounds [1600017 x %struct.Event], ptr @eve, i64 0, i64 %61
  %63 = getelementptr inbounds %struct.Event, ptr %62, i32 0, i32 1
  %64 = load i32, ptr %63, align 4, !tbaa !12
  %65 = load i32, ptr %4, align 4, !tbaa !5
  %66 = icmp eq i32 %64, %65
  br i1 %66, label %67, label %78

67:                                               ; preds = %56
  %68 = load i32, ptr %2, align 4, !tbaa !5
  %69 = sext i32 %68 to i64
  %70 = getelementptr inbounds [1600017 x i32], ptr @ord, i64 0, i64 %69
  %71 = load i32, ptr %70, align 4, !tbaa !5
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds [1600017 x %struct.Event], ptr @eve, i64 0, i64 %72
  %74 = getelementptr inbounds %struct.Event, ptr %73, i32 0, i32 2
  %75 = load i32, ptr %74, align 8, !tbaa !13
  %76 = load i32, ptr %5, align 4, !tbaa !5
  %77 = icmp eq i32 %75, %76
  br label %78

78:                                               ; preds = %67, %56, %45, %41
  %79 = phi i1 [ false, %56 ], [ false, %45 ], [ false, %41 ], [ %77, %67 ]
  br i1 %79, label %80, label %94

80:                                               ; preds = %78
  %81 = load i32, ptr %2, align 4, !tbaa !5
  %82 = sext i32 %81 to i64
  %83 = getelementptr inbounds [1600017 x i32], ptr @ord, i64 0, i64 %82
  %84 = load i32, ptr %83, align 4, !tbaa !5
  %85 = sext i32 %84 to i64
  %86 = getelementptr inbounds [1600017 x %struct.Event], ptr @eve, i64 0, i64 %85
  %87 = getelementptr inbounds %struct.Event, ptr %86, i32 0, i32 3
  %88 = load i64, ptr %87, align 8, !tbaa !15
  %89 = load i64, ptr %6, align 8, !tbaa !14
  %90 = add nsw i64 %89, %88
  store i64 %90, ptr %6, align 8, !tbaa !14
  br label %91

91:                                               ; preds = %80
  %92 = load i32, ptr %2, align 4, !tbaa !5
  %93 = add nsw i32 %92, 1
  store i32 %93, ptr %2, align 4, !tbaa !5
  br label %41, !llvm.loop !16

94:                                               ; preds = %78
  %95 = load i64, ptr %6, align 8, !tbaa !14
  %96 = icmp ne i64 %95, 0
  br i1 %96, label %97, label %113

97:                                               ; preds = %94
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #5
  %98 = getelementptr inbounds %struct.Event, ptr %7, i32 0, i32 0
  %99 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %99, ptr %98, align 8, !tbaa !9
  %100 = getelementptr inbounds %struct.Event, ptr %7, i32 0, i32 1
  %101 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %101, ptr %100, align 4, !tbaa !12
  %102 = getelementptr inbounds %struct.Event, ptr %7, i32 0, i32 2
  %103 = load i32, ptr %5, align 4, !tbaa !5
  store i32 %103, ptr %102, align 8, !tbaa !13
  %104 = getelementptr inbounds %struct.Event, ptr %7, i32 0, i32 3
  %105 = load i64, ptr %6, align 8, !tbaa !14
  store i64 %105, ptr %104, align 8, !tbaa !15
  %106 = load i32, ptr %1, align 4, !tbaa !5
  %107 = add nsw i32 %106, 1
  store i32 %107, ptr %1, align 4, !tbaa !5
  %108 = sext i32 %106 to i64
  %109 = getelementptr inbounds [1600017 x i32], ptr @ord, i64 0, i64 %108
  %110 = load i32, ptr %109, align 4, !tbaa !5
  %111 = sext i32 %110 to i64
  %112 = getelementptr inbounds [1600017 x %struct.Event], ptr @eve, i64 0, i64 %111
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %112, ptr align 8 %7, i64 24, i1 false), !tbaa.struct !18
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #5
  br label %113

113:                                              ; preds = %97, %94
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %11, !llvm.loop !19

114:                                              ; preds = %15
  %115 = load i32, ptr %1, align 4, !tbaa !5
  %116 = icmp ne i32 %115, 0
  br i1 %116, label %117, label %120

117:                                              ; preds = %114
  %118 = load i32, ptr %1, align 4, !tbaa !5
  %119 = sub nsw i32 %118, 1
  call void @_Z5solveii(i32 noundef 0, i32 noundef %119)
  br label %120

120:                                              ; preds = %117, %114
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #5
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPiPFbRKiS2_EEvT_S5_T0_(ptr noundef, ptr noundef, ptr noundef) #4

attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTS5Event", !6, i64 0, !6, i64 4, !6, i64 8, !11, i64 16}
!11 = !{!"long long", !7, i64 0}
!12 = !{!10, !6, i64 4}
!13 = !{!10, !6, i64 8}
!14 = !{!11, !11, i64 0}
!15 = !{!10, !11, i64 16}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}
!18 = !{i64 0, i64 4, !5, i64 4, i64 4, !5, i64 8, i64 4, !5, i64 16, i64 8, !14}
!19 = distinct !{!19, !17}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%struct.Event = type { i32, i32, i32, i64 }

@etot = external dso_local local_unnamed_addr global i32, align 4
@ord = external dso_local global [1600017 x i32], align 16
@eve = external dso_local local_unnamed_addr global [1600017 x %struct.Event], align 16

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z3cmpRKiS0_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5solveii(i32 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #1 {
  %1 = load i32, ptr @etot, align 4, !tbaa !5
  %2 = sext i32 %1 to i64
  %3 = getelementptr inbounds i32, ptr @ord, i64 %2
  tail call void @_ZSt4sortIPiPFbRKiS2_EEvT_S5_T0_(ptr noundef nonnull @ord, ptr noundef nonnull %3, ptr noundef nonnull @_Z3cmpRKiS0_)
  %4 = load i32, ptr @etot, align 4, !tbaa !5
  %5 = icmp sgt i32 %4, 0
  br i1 %5, label %.lr.ph.preheader, label %._crit_edge.thread

.lr.ph.preheader:                                 ; preds = %0
  %6 = zext nneg i32 %4 to i64
  br label %.lr.ph

._crit_edge:                                      ; preds = %48
  %.not = icmp eq i32 %.1, 0
  br i1 %.not, label %._crit_edge.thread, label %50

.lr.ph:                                           ; preds = %.lr.ph.preheader, %48
  %.030 = phi i32 [ %.1, %48 ], [ 0, %.lr.ph.preheader ]
  %.02329 = phi i32 [ %.124.lcssa, %48 ], [ 0, %.lr.ph.preheader ]
  %7 = sext i32 %.02329 to i64
  %8 = getelementptr inbounds [1600017 x i32], ptr @ord, i64 0, i64 %7
  %9 = load i32, ptr %8, align 4, !tbaa !5
  %10 = sext i32 %9 to i64
  %11 = getelementptr inbounds [1600017 x %struct.Event], ptr @eve, i64 0, i64 %10
  %12 = load i32, ptr %11, align 8, !tbaa !9
  %13 = getelementptr inbounds i8, ptr %11, i64 4
  %14 = load i32, ptr %13, align 4, !tbaa !12
  %15 = getelementptr inbounds i8, ptr %11, i64 8
  %16 = load i32, ptr %15, align 8, !tbaa !13
  %17 = add nsw i32 %.02329, 1
  %smax = tail call i32 @llvm.smax.i32(i32 %4, i32 %17)
  br label %18

18:                                               ; preds = %.lr.ph, %33
  %indvars.iv = phi i64 [ %7, %.lr.ph ], [ %indvars.iv.next, %33 ]
  %.02527 = phi i64 [ 0, %.lr.ph ], [ %36, %33 ]
  %19 = getelementptr inbounds [1600017 x i32], ptr @ord, i64 0, i64 %indvars.iv
  %20 = load i32, ptr %19, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [1600017 x %struct.Event], ptr @eve, i64 0, i64 %21
  %23 = load i32, ptr %22, align 8, !tbaa !9
  %24 = icmp eq i32 %23, %12
  br i1 %24, label %25, label %.critedge.split.loop.exit34

25:                                               ; preds = %18
  %26 = getelementptr inbounds i8, ptr %22, i64 4
  %27 = load i32, ptr %26, align 4, !tbaa !12
  %28 = icmp eq i32 %27, %14
  br i1 %28, label %29, label %.critedge.split.loop.exit

29:                                               ; preds = %25
  %30 = getelementptr inbounds i8, ptr %22, i64 8
  %31 = load i32, ptr %30, align 8, !tbaa !13
  %32 = icmp eq i32 %31, %16
  br i1 %32, label %33, label %.critedge.split.loop.exit40

33:                                               ; preds = %29
  %34 = getelementptr inbounds i8, ptr %22, i64 16
  %35 = load i64, ptr %34, align 8, !tbaa !14
  %36 = add nsw i64 %35, %.02527
  %indvars.iv.next = add nsw i64 %indvars.iv, 1
  %37 = icmp slt i64 %indvars.iv.next, %6
  br i1 %37, label %18, label %.critedge, !llvm.loop !15

.critedge.split.loop.exit:                        ; preds = %25
  %38 = trunc nsw i64 %indvars.iv to i32
  br label %.critedge

.critedge.split.loop.exit34:                      ; preds = %18
  %39 = trunc nsw i64 %indvars.iv to i32
  br label %.critedge

.critedge.split.loop.exit40:                      ; preds = %29
  %40 = trunc nsw i64 %indvars.iv to i32
  br label %.critedge

.critedge:                                        ; preds = %33, %.critedge.split.loop.exit40, %.critedge.split.loop.exit34, %.critedge.split.loop.exit
  %.025.lcssa = phi i64 [ %.02527, %.critedge.split.loop.exit ], [ %.02527, %.critedge.split.loop.exit34 ], [ %.02527, %.critedge.split.loop.exit40 ], [ %36, %33 ]
  %.124.lcssa = phi i32 [ %38, %.critedge.split.loop.exit ], [ %39, %.critedge.split.loop.exit34 ], [ %40, %.critedge.split.loop.exit40 ], [ %smax, %33 ]
  %.not26 = icmp eq i64 %.025.lcssa, 0
  br i1 %.not26, label %48, label %41

41:                                               ; preds = %.critedge
  %42 = add nsw i32 %.030, 1
  %43 = sext i32 %.030 to i64
  %44 = getelementptr inbounds [1600017 x i32], ptr @ord, i64 0, i64 %43
  %45 = load i32, ptr %44, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds [1600017 x %struct.Event], ptr @eve, i64 0, i64 %46
  store i32 %12, ptr %47, align 8, !tbaa !5
  %.sroa.4.0..sroa_idx = getelementptr inbounds i8, ptr %47, i64 4
  store i32 %14, ptr %.sroa.4.0..sroa_idx, align 4, !tbaa !5
  %.sroa.5.0..sroa_idx = getelementptr inbounds i8, ptr %47, i64 8
  store i32 %16, ptr %.sroa.5.0..sroa_idx, align 8, !tbaa !5
  %.sroa.61.0..sroa_idx = getelementptr inbounds i8, ptr %47, i64 16
  store i64 %.025.lcssa, ptr %.sroa.61.0..sroa_idx, align 8, !tbaa !17
  br label %48

48:                                               ; preds = %41, %.critedge
  %.1 = phi i32 [ %42, %41 ], [ %.030, %.critedge ]
  %49 = icmp slt i32 %.124.lcssa, %4
  br i1 %49, label %.lr.ph, label %._crit_edge, !llvm.loop !18

50:                                               ; preds = %._crit_edge
  %51 = add nsw i32 %.1, -1
  tail call void @_Z5solveii(i32 noundef 0, i32 noundef %51)
  br label %._crit_edge.thread

._crit_edge.thread:                               ; preds = %0, %50, %._crit_edge
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPiPFbRKiS2_EEvT_S5_T0_(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #3

attributes #0 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTS5Event", !6, i64 0, !6, i64 4, !6, i64 8, !11, i64 16}
!11 = !{!"long long", !7, i64 0}
!12 = !{!10, !6, i64 4}
!13 = !{!10, !6, i64 8}
!14 = !{!10, !11, i64 16}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = !{!11, !11, i64 0}
!18 = distinct !{!18, !16}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass