; LLVM IR from lzyrapx/Competitive-Programming :: HDUOJ (1236)

; 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.stu = type { %"class.std::__cxx11::basic_string", double }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }

@s = external dso_local global [1010 x %struct.stu], align 16
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.4 = external hidden unnamed_addr constant [4 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.5 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z3cmp3stuS_(ptr noundef, ptr noundef) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #1 {
  %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 i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca double, align 8
  %9 = alloca [20 x double], align 16
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.start.p0(i64 160, ptr %9) #5
  br label %10

10:                                               ; preds = %103, %0
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = icmp ne i32 %12, 0
  br i1 %13, label %14, label %104

14:                                               ; preds = %10
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.2, ptr noundef %5, ptr noundef %8)
  store i32 1, ptr %3, align 4, !tbaa !5
  br label %16

16:                                               ; preds = %25, %14
  %17 = load i32, ptr %3, align 4, !tbaa !5
  %18 = load i32, ptr %5, align 4, !tbaa !5
  %19 = icmp sle i32 %17, %18
  br i1 %19, label %20, label %28

20:                                               ; preds = %16
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [20 x double], ptr %9, i64 0, i64 %22
  %24 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.3, ptr noundef %23)
  br label %25

25:                                               ; preds = %20
  %26 = load i32, ptr %3, align 4, !tbaa !5
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr %3, align 4, !tbaa !5
  br label %16, !llvm.loop !9

28:                                               ; preds = %16
  store i32 0, ptr %7, align 4, !tbaa !5
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %29

29:                                               ; preds = %75, %28
  %30 = load i32, ptr %3, align 4, !tbaa !5
  %31 = load i32, ptr %2, align 4, !tbaa !5
  %32 = icmp slt i32 %30, %31
  br i1 %32, label %33, label %78

33:                                               ; preds = %29
  %34 = load i32, ptr %3, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  %36 = getelementptr inbounds [1010 x %struct.stu], ptr @s, i64 0, i64 %35
  %37 = getelementptr inbounds %struct.stu, ptr %36, i32 0, i32 0
  %38 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %37)
  %39 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %5)
  %40 = load i32, ptr %3, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [1010 x %struct.stu], ptr @s, i64 0, i64 %41
  %43 = getelementptr inbounds %struct.stu, ptr %42, i32 0, i32 1
  store double 0.000000e+00, ptr %43, align 8, !tbaa !11
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %44

44:                                               ; preds = %60, %33
  %45 = load i32, ptr %4, align 4, !tbaa !5
  %46 = load i32, ptr %5, align 4, !tbaa !5
  %47 = icmp slt i32 %45, %46
  br i1 %47, label %48, label %63

48:                                               ; preds = %44
  %49 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %6)
  %50 = load i32, ptr %6, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %52 = getelementptr inbounds [20 x double], ptr %9, i64 0, i64 %51
  %53 = load double, ptr %52, align 8, !tbaa !18
  %54 = load i32, ptr %3, align 4, !tbaa !5
  %55 = sext i32 %54 to i64
  %56 = getelementptr inbounds [1010 x %struct.stu], ptr @s, i64 0, i64 %55
  %57 = getelementptr inbounds %struct.stu, ptr %56, i32 0, i32 1
  %58 = load double, ptr %57, align 8, !tbaa !11
  %59 = fadd double %58, %53
  store double %59, ptr %57, align 8, !tbaa !11
  br label %60

60:                                               ; preds = %48
  %61 = load i32, ptr %4, align 4, !tbaa !5
  %62 = add nsw i32 %61, 1
  store i32 %62, ptr %4, align 4, !tbaa !5
  br label %44, !llvm.loop !19

63:                                               ; preds = %44
  %64 = load i32, ptr %3, align 4, !tbaa !5
  %65 = sext i32 %64 to i64
  %66 = getelementptr inbounds [1010 x %struct.stu], ptr @s, i64 0, i64 %65
  %67 = getelementptr inbounds %struct.stu, ptr %66, i32 0, i32 1
  %68 = load double, ptr %67, align 8, !tbaa !11
  %69 = load double, ptr %8, align 8, !tbaa !18
  %70 = fcmp oge double %68, %69
  br i1 %70, label %71, label %74

71:                                               ; preds = %63
  %72 = load i32, ptr %7, align 4, !tbaa !5
  %73 = add nsw i32 %72, 1
  store i32 %73, ptr %7, align 4, !tbaa !5
  br label %74

74:                                               ; preds = %71, %63
  br label %75

75:                                               ; preds = %74
  %76 = load i32, ptr %3, align 4, !tbaa !5
  %77 = add nsw i32 %76, 1
  store i32 %77, ptr %3, align 4, !tbaa !5
  br label %29, !llvm.loop !20

78:                                               ; preds = %29
  %79 = load i32, ptr %7, align 4, !tbaa !5
  %80 = call i32 (ptr, ...) @printf(ptr noundef @.str.4, i32 noundef %79)
  %81 = load i32, ptr %2, align 4, !tbaa !5
  %82 = sext i32 %81 to i64
  %83 = getelementptr inbounds %struct.stu, ptr @s, i64 %82
  call void @_ZSt4sortIP3stuPFbS0_S0_EEvT_S4_T0_(ptr noundef @s, ptr noundef %83, ptr noundef @_Z3cmp3stuS_)
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %84

84:                                               ; preds = %100, %78
  %85 = load i32, ptr %3, align 4, !tbaa !5
  %86 = load i32, ptr %7, align 4, !tbaa !5
  %87 = icmp slt i32 %85, %86
  br i1 %87, label %88, label %103

88:                                               ; preds = %84
  %89 = load i32, ptr %3, align 4, !tbaa !5
  %90 = sext i32 %89 to i64
  %91 = getelementptr inbounds [1010 x %struct.stu], ptr @s, i64 0, i64 %90
  %92 = getelementptr inbounds %struct.stu, ptr %91, i32 0, i32 0
  %93 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %92)
  %94 = load i32, ptr %3, align 4, !tbaa !5
  %95 = sext i32 %94 to i64
  %96 = getelementptr inbounds [1010 x %struct.stu], ptr @s, i64 0, i64 %95
  %97 = getelementptr inbounds %struct.stu, ptr %96, i32 0, i32 1
  %98 = load double, ptr %97, align 8, !tbaa !11
  %99 = call i32 (ptr, ...) @printf(ptr noundef @.str.5, double noundef %98)
  br label %100

100:                                              ; preds = %88
  %101 = load i32, ptr %3, align 4, !tbaa !5
  %102 = add nsw i32 %101, 1
  store i32 %102, ptr %3, align 4, !tbaa !5
  br label %84, !llvm.loop !21

103:                                              ; preds = %84
  br label %10, !llvm.loop !22

104:                                              ; preds = %10
  call void @llvm.lifetime.end.p0(i64 160, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, 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
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  %105 = load i32, ptr %1, align 4
  ret i32 %105
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare i32 @__isoc99_scanf(ptr noundef, ...) #3

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #3

declare i32 @printf(ptr noundef, ...) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIP3stuPFbS0_S0_EEvT_S4_T0_(ptr noundef, ptr noundef, ptr noundef) #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

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 norecurse 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !17, i64 32}
!12 = !{!"_ZTS3stu", !13, i64 0, !17, i64 32}
!13 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !14, i64 0, !16, i64 8, !7, i64 16}
!14 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !15, i64 0}
!15 = !{!"any pointer", !7, i64 0}
!16 = !{!"long", !7, i64 0}
!17 = !{!"double", !7, i64 0}
!18 = !{!17, !17, i64 0}
!19 = distinct !{!19, !10}
!20 = distinct !{!20, !10}
!21 = distinct !{!21, !10}
!22 = distinct !{!22, !10}


; 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.stu = type { %"class.std::__cxx11::basic_string", double }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }

@s = external dso_local global [1010 x %struct.stu], align 16
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.4 = external hidden unnamed_addr constant [4 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.5 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z3cmp3stuS_(ptr noundef, ptr noundef) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca double, align 8
  %5 = alloca [20 x double], align 16
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 160, ptr nonnull %5) #6
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %7 = load i32, ptr %1, align 4, !tbaa !5
  %.not34 = icmp eq i32 %7, 0
  br i1 %.not34, label %._crit_edge37, label %.lr.ph36

.loopexit:                                        ; preds = %.lr.ph33, %._crit_edge30
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %9 = load i32, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %9, 0
  br i1 %.not, label %._crit_edge37, label %.lr.ph36, !llvm.loop !9

.lr.ph36:                                         ; preds = %0, %.loopexit
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.2, ptr noundef nonnull %2, ptr noundef nonnull %4)
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %.not2223 = icmp slt i32 %11, 1
  br i1 %.not2223, label %.preheader, label %.lr.ph

.preheader:                                       ; preds = %.lr.ph, %.lr.ph36
  %12 = load i32, ptr %1, align 4, !tbaa !5
  %13 = icmp sgt i32 %12, 0
  br i1 %13, label %.lr.ph29, label %._crit_edge30

.lr.ph:                                           ; preds = %.lr.ph36, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 1, %.lr.ph36 ]
  %14 = getelementptr inbounds [20 x double], ptr %5, i64 0, i64 %indvars.iv
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.3, ptr noundef nonnull %14)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %16 = load i32, ptr %2, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %.not22.not = icmp slt i64 %indvars.iv, %17
  br i1 %.not22.not, label %.lr.ph, label %.preheader, !llvm.loop !11

.lr.ph29:                                         ; preds = %.preheader, %._crit_edge
  %indvars.iv39 = phi i64 [ %indvars.iv.next40, %._crit_edge ], [ 0, %.preheader ]
  %.028 = phi i32 [ %.1, %._crit_edge ], [ 0, %.preheader ]
  %18 = getelementptr inbounds [1010 x %struct.stu], ptr @s, i64 0, i64 %indvars.iv39
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %18)
  %20 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  %21 = getelementptr inbounds i8, ptr %18, i64 32
  store double 0.000000e+00, ptr %21, align 8, !tbaa !12
  %22 = load i32, ptr %2, align 4, !tbaa !5
  %23 = icmp sgt i32 %22, 0
  br i1 %23, label %.lr.ph26, label %._crit_edge

.lr.ph26:                                         ; preds = %.lr.ph29, %.lr.ph26
  %.01925 = phi i32 [ %31, %.lr.ph26 ], [ 0, %.lr.ph29 ]
  %24 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %3)
  %25 = load i32, ptr %3, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [20 x double], ptr %5, i64 0, i64 %26
  %28 = load double, ptr %27, align 8, !tbaa !19
  %29 = load double, ptr %21, align 8, !tbaa !12
  %30 = fadd double %28, %29
  store double %30, ptr %21, align 8, !tbaa !12
  %31 = add nuw nsw i32 %.01925, 1
  %32 = load i32, ptr %2, align 4, !tbaa !5
  %33 = icmp slt i32 %31, %32
  br i1 %33, label %.lr.ph26, label %._crit_edge, !llvm.loop !20

._crit_edge:                                      ; preds = %.lr.ph26, %.lr.ph29
  %34 = phi double [ 0.000000e+00, %.lr.ph29 ], [ %30, %.lr.ph26 ]
  %35 = load double, ptr %4, align 8, !tbaa !19
  %36 = fcmp oge double %34, %35
  %37 = zext i1 %36 to i32
  %.1 = add nuw nsw i32 %.028, %37
  %indvars.iv.next40 = add nuw nsw i64 %indvars.iv39, 1
  %38 = load i32, ptr %1, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = icmp slt i64 %indvars.iv.next40, %39
  br i1 %40, label %.lr.ph29, label %._crit_edge30, !llvm.loop !21

._crit_edge30:                                    ; preds = %._crit_edge, %.preheader
  %.0.lcssa = phi i32 [ 0, %.preheader ], [ %.1, %._crit_edge ]
  %41 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4, i32 noundef %.0.lcssa)
  %42 = load i32, ptr %1, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds %struct.stu, ptr @s, i64 %43
  call void @_ZSt4sortIP3stuPFbS0_S0_EEvT_S4_T0_(ptr noundef nonnull @s, ptr noundef nonnull %44, ptr noundef nonnull @_Z3cmp3stuS_)
  %45 = icmp sgt i32 %.0.lcssa, 0
  br i1 %45, label %.lr.ph33.preheader, label %.loopexit

.lr.ph33.preheader:                               ; preds = %._crit_edge30
  %wide.trip.count = zext nneg i32 %.0.lcssa to i64
  br label %.lr.ph33

.lr.ph33:                                         ; preds = %.lr.ph33.preheader, %.lr.ph33
  %indvars.iv42 = phi i64 [ 0, %.lr.ph33.preheader ], [ %indvars.iv.next43, %.lr.ph33 ]
  %46 = getelementptr inbounds [1010 x %struct.stu], ptr @s, i64 0, i64 %indvars.iv42
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %46)
  %48 = getelementptr inbounds i8, ptr %46, i64 32
  %49 = load double, ptr %48, align 8, !tbaa !12
  %50 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.5, double noundef %49)
  %indvars.iv.next43 = add nuw nsw i64 %indvars.iv42, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next43, %wide.trip.count
  br i1 %exitcond.not, label %.loopexit, label %.lr.ph33, !llvm.loop !22

._crit_edge37:                                    ; preds = %.loopexit, %0
  call void @llvm.lifetime.end.p0(i64 160, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIP3stuPFbS0_S0_EEvT_S4_T0_(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #5

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

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 norecurse 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nofree nounwind "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 = { "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 = { 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 #6 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = !{!13, !18, i64 32}
!13 = !{!"_ZTS3stu", !14, i64 0, !18, i64 32}
!14 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !15, i64 0, !17, i64 8, !7, i64 16}
!15 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !16, i64 0}
!16 = !{!"any pointer", !7, i64 0}
!17 = !{!"long", !7, i64 0}
!18 = !{!"double", !7, i64 0}
!19 = !{!18, !18, i64 0}
!20 = distinct !{!20, !10}
!21 = distinct !{!21, !10}
!22 = distinct !{!22, !10}


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