; LLVM IR from TheAlgorithms/C-Plus-Plus :: greedy_algorithms (knapsack)

; 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"

%"class.std::basic_ostream" = type { ptr, %"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_istream" = type { ptr, i64, %"class.std::basic_ios" }
%struct.Item = type { i32, i32 }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [39 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.1 = external hidden unnamed_addr constant [31 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [38 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [15 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef float @_Z13profitPerUnit4Item(i64) #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 @_Z9quickSortP4Itemii(ptr noundef, i32 noundef, i32 noundef) #3

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #4 {
  %1 = alloca i32, align 4
  %2 = alloca float, align 4
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca float, align 4
  %7 = alloca i32, align 4
  %8 = alloca %struct.Item, align 4
  %9 = alloca %struct.Item, align 4
  store i32 0, ptr %1, align 4
  %10 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #10
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %12 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #10
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #10
  %14 = load i32, ptr %3, align 4, !tbaa !5
  %15 = sext i32 %14 to i64
  %16 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %15, i64 8)
  %17 = extractvalue { i64, i1 } %16, 1
  %18 = extractvalue { i64, i1 } %16, 0
  %19 = select i1 %17, i64 -1, i64 %18
  %20 = call noalias noundef nonnull ptr @_Znam(i64 noundef %19) #11
  store ptr %20, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #10
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %21

21:                                               ; preds = %44, %0
  %22 = load i32, ptr %5, align 4, !tbaa !5
  %23 = load i32, ptr %3, align 4, !tbaa !5
  %24 = icmp slt i32 %22, %23
  br i1 %24, label %26, label %25

25:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #10
  br label %47

26:                                               ; preds = %21
  %27 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.2)
  %28 = load i32, ptr %5, align 4, !tbaa !5
  %29 = add nsw i32 %28, 1
  %30 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %27, i32 noundef %29)
  %31 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %30, ptr noundef @.str.3)
  %32 = load ptr, ptr %4, align 8, !tbaa !9
  %33 = load i32, ptr %5, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds %struct.Item, ptr %32, i64 %34
  %36 = getelementptr inbounds %struct.Item, ptr %35, i32 0, i32 0
  %37 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %36)
  %38 = load ptr, ptr %4, align 8, !tbaa !9
  %39 = load i32, ptr %5, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds %struct.Item, ptr %38, i64 %40
  %42 = getelementptr inbounds %struct.Item, ptr %41, i32 0, i32 1
  %43 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %42)
  br label %44

44:                                               ; preds = %26
  %45 = load i32, ptr %5, align 4, !tbaa !5
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %5, align 4, !tbaa !5
  br label %21, !llvm.loop !11

47:                                               ; preds = %25
  %48 = load ptr, ptr %4, align 8, !tbaa !9
  %49 = load i32, ptr %3, align 4, !tbaa !5
  %50 = sub nsw i32 %49, 1
  call void @_Z9quickSortP4Itemii(ptr noundef %48, i32 noundef 0, i32 noundef %50)
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #10
  store float 0.000000e+00, ptr %6, align 4, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #10
  %51 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %51, ptr %7, align 4, !tbaa !5
  br label %52

52:                                               ; preds = %129, %47
  %53 = load float, ptr %2, align 4, !tbaa !13
  %54 = fcmp ogt float %53, 0.000000e+00
  br i1 %54, label %55, label %59

55:                                               ; preds = %52
  %56 = load i32, ptr %7, align 4, !tbaa !5
  %57 = add nsw i32 %56, -1
  store i32 %57, ptr %7, align 4, !tbaa !5
  %58 = icmp sge i32 %57, 0
  br label %59

59:                                               ; preds = %55, %52
  %60 = phi i1 [ false, %52 ], [ %58, %55 ]
  br i1 %60, label %61, label %130

61:                                               ; preds = %59
  %62 = load float, ptr %2, align 4, !tbaa !13
  %63 = load ptr, ptr %4, align 8, !tbaa !9
  %64 = load i32, ptr %7, align 4, !tbaa !5
  %65 = sext i32 %64 to i64
  %66 = getelementptr inbounds %struct.Item, ptr %63, i64 %65
  %67 = getelementptr inbounds %struct.Item, ptr %66, i32 0, i32 0
  %68 = load i32, ptr %67, align 4, !tbaa !15
  %69 = sitofp i32 %68 to float
  %70 = fcmp oge float %62, %69
  br i1 %70, label %71, label %106

71:                                               ; preds = %61
  %72 = load ptr, ptr %4, align 8, !tbaa !9
  %73 = load i32, ptr %7, align 4, !tbaa !5
  %74 = sext i32 %73 to i64
  %75 = getelementptr inbounds %struct.Item, ptr %72, i64 %74
  %76 = getelementptr inbounds %struct.Item, ptr %75, i32 0, i32 1
  %77 = load i32, ptr %76, align 4, !tbaa !17
  %78 = sitofp i32 %77 to float
  %79 = load float, ptr %6, align 4, !tbaa !13
  %80 = fadd float %79, %78
  store float %80, ptr %6, align 4, !tbaa !13
  %81 = load ptr, ptr %4, align 8, !tbaa !9
  %82 = load i32, ptr %7, align 4, !tbaa !5
  %83 = sext i32 %82 to i64
  %84 = getelementptr inbounds %struct.Item, ptr %81, i64 %83
  %85 = getelementptr inbounds %struct.Item, ptr %84, i32 0, i32 0
  %86 = load i32, ptr %85, align 4, !tbaa !15
  %87 = sitofp i32 %86 to float
  %88 = load float, ptr %2, align 4, !tbaa !13
  %89 = fsub float %88, %87
  store float %89, ptr %2, align 4, !tbaa !13
  %90 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.4)
  %91 = load ptr, ptr %4, align 8, !tbaa !9
  %92 = load i32, ptr %7, align 4, !tbaa !5
  %93 = sext i32 %92 to i64
  %94 = getelementptr inbounds %struct.Item, ptr %91, i64 %93
  %95 = getelementptr inbounds %struct.Item, ptr %94, i32 0, i32 0
  %96 = load i32, ptr %95, align 4, !tbaa !15
  %97 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %90, i32 noundef %96)
  %98 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %97, ptr noundef @.str.5)
  %99 = load ptr, ptr %4, align 8, !tbaa !9
  %100 = load i32, ptr %7, align 4, !tbaa !5
  %101 = sext i32 %100 to i64
  %102 = getelementptr inbounds %struct.Item, ptr %99, i64 %101
  %103 = getelementptr inbounds %struct.Item, ptr %102, i32 0, i32 1
  %104 = load i32, ptr %103, align 4, !tbaa !17
  %105 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %98, i32 noundef %104)
  br label %129

106:                                              ; preds = %61
  %107 = load ptr, ptr %4, align 8, !tbaa !9
  %108 = load i32, ptr %7, align 4, !tbaa !5
  %109 = sext i32 %108 to i64
  %110 = getelementptr inbounds %struct.Item, ptr %107, i64 %109
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %8, ptr align 4 %110, i64 8, i1 false), !tbaa.struct !18
  %111 = load i64, ptr %8, align 4
  %112 = call noundef float @_Z13profitPerUnit4Item(i64 %111)
  %113 = load float, ptr %2, align 4, !tbaa !13
  %114 = load float, ptr %6, align 4, !tbaa !13
  %115 = call float @llvm.fmuladd.f32(float %112, float %113, float %114)
  store float %115, ptr %6, align 4, !tbaa !13
  %116 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.4)
  %117 = load float, ptr %2, align 4, !tbaa !13
  %118 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEf(ptr noundef nonnull align 8 dereferenceable(8) %116, float noundef %117)
  %119 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %118, ptr noundef @.str.5)
  %120 = load ptr, ptr %4, align 8, !tbaa !9
  %121 = load i32, ptr %7, align 4, !tbaa !5
  %122 = sext i32 %121 to i64
  %123 = getelementptr inbounds %struct.Item, ptr %120, i64 %122
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %9, ptr align 4 %123, i64 8, i1 false), !tbaa.struct !18
  %124 = load i64, ptr %9, align 4
  %125 = call noundef float @_Z13profitPerUnit4Item(i64 %124)
  %126 = load float, ptr %2, align 4, !tbaa !13
  %127 = fmul float %125, %126
  %128 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEf(ptr noundef nonnull align 8 dereferenceable(8) %119, float noundef %127)
  store float 0.000000e+00, ptr %2, align 4, !tbaa !13
  br label %130

129:                                              ; preds = %71
  br label %52, !llvm.loop !19

130:                                              ; preds = %106, %59
  %131 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.6)
  %132 = load float, ptr %6, align 4, !tbaa !13
  %133 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEf(ptr noundef nonnull align 8 dereferenceable(8) %131, float noundef %132)
  %134 = load ptr, ptr %4, align 8, !tbaa !9
  %135 = icmp eq ptr %134, null
  br i1 %135, label %137, label %136

136:                                              ; preds = %130
  call void @_ZdaPv(ptr noundef %134) #12
  br label %137

137:                                              ; preds = %136, %130
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #10
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #10
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #10
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #10
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #10
  ret i32 0
}

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #6

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #7

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) #8

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #6

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #7

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEf(ptr noundef nonnull align 8 dereferenceable(8), float noundef) #3 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) #9

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 = { 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 #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 = { "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 #7 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #8 = { nobuiltin allocsize(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 #9 = { nobuiltin 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 #10 = { nounwind }
attributes #11 = { builtin allocsize(0) }
attributes #12 = { builtin 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, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"float", !7, i64 0}
!15 = !{!16, !6, i64 0}
!16 = !{!"_ZTS4Item", !6, i64 0, !6, i64 4}
!17 = !{!16, !6, i64 4}
!18 = !{i64 0, i64 4, !5, i64 4, i64 4, !5}
!19 = distinct !{!19, !12}


; 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"

%"class.std::basic_ostream" = type { ptr, %"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_istream" = type { ptr, i64, %"class.std::basic_ios" }
%struct.Item = type { i32, i32 }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [39 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.1 = external hidden unnamed_addr constant [31 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [38 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [15 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef float @_Z13profitPerUnit4Item(i64) local_unnamed_addr #0

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

; Function Attrs: mustprogress 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 @_Z9quickSortP4Itemii(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 {
  %1 = alloca float, align 4
  %2 = alloca i32, align 4
  %3 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #9
  %4 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %5 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #9
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %7 = load i32, ptr %2, align 4, !tbaa !5
  %8 = sext i32 %7 to i64
  %9 = icmp slt i32 %7, 0
  %10 = shl nsw i64 %8, 3
  %11 = select i1 %9, i64 -1, i64 %10
  %12 = call noalias noundef nonnull ptr @_Znam(i64 noundef %11) #10
  %13 = icmp sgt i32 %7, 0
  br i1 %13, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  %.lcssa34 = phi i32 [ %7, %0 ], [ %27, %.lr.ph ]
  %14 = add nsw i32 %.lcssa34, -1
  call void @_Z9quickSortP4Itemii(ptr noundef nonnull %12, i32 noundef 0, i32 noundef %14)
  %15 = load float, ptr %1, align 4, !tbaa !9
  %16 = fcmp ogt float %15, 0.000000e+00
  br i1 %16, label %.lr.ph39.preheader, label %.critedge

.lr.ph39.preheader:                               ; preds = %._crit_edge
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = zext i32 %17 to i64
  br label %.lr.ph39

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.2)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %20 = trunc nuw nsw i64 %indvars.iv.next to i32
  %21 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %19, i32 noundef %20)
  %22 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef nonnull @.str.3)
  %23 = getelementptr inbounds %struct.Item, ptr %12, i64 %indvars.iv
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %23)
  %25 = getelementptr inbounds i8, ptr %23, i64 4
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %25)
  %27 = load i32, ptr %2, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = icmp slt i64 %indvars.iv.next, %28
  br i1 %29, label %.lr.ph, label %._crit_edge, !llvm.loop !11

.lr.ph39:                                         ; preds = %.lr.ph39.preheader, %39
  %indvars.iv46 = phi i64 [ %18, %.lr.ph39.preheader ], [ %31, %39 ]
  %30 = phi float [ %15, %.lr.ph39.preheader ], [ %51, %39 ]
  %.02737 = phi float [ 0.000000e+00, %.lr.ph39.preheader ], [ %43, %39 ]
  %31 = add nsw i64 %indvars.iv46, -1
  %32 = trunc nuw i64 %indvars.iv46 to i32
  %33 = icmp sgt i32 %32, 0
  br i1 %33, label %34, label %.critedge

34:                                               ; preds = %.lr.ph39
  %35 = getelementptr inbounds %struct.Item, ptr %12, i64 %31
  %36 = load i32, ptr %35, align 4, !tbaa !13
  %37 = sitofp i32 %36 to float
  %38 = fcmp ult float %30, %37
  br i1 %38, label %53, label %39

39:                                               ; preds = %34
  %40 = getelementptr inbounds i8, ptr %35, i64 4
  %41 = load i32, ptr %40, align 4, !tbaa !15
  %42 = sitofp i32 %41 to float
  %43 = fadd float %.02737, %42
  %44 = fsub float %30, %37
  store float %44, ptr %1, align 4, !tbaa !9
  %45 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.4)
  %46 = load i32, ptr %35, align 4, !tbaa !13
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %45, i32 noundef %46)
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %47, ptr noundef nonnull @.str.5)
  %49 = load i32, ptr %40, align 4, !tbaa !15
  %50 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %48, i32 noundef %49)
  %51 = load float, ptr %1, align 4, !tbaa !9
  %52 = fcmp ogt float %51, 0.000000e+00
  br i1 %52, label %.lr.ph39, label %.critedge, !llvm.loop !16

53:                                               ; preds = %34
  %.sroa.01.0.copyload = load i64, ptr %35, align 4
  %54 = call noundef float @_Z13profitPerUnit4Item(i64 %.sroa.01.0.copyload)
  %55 = load float, ptr %1, align 4, !tbaa !9
  %56 = call float @llvm.fmuladd.f32(float %54, float %55, float %.02737)
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.4)
  %58 = load float, ptr %1, align 4, !tbaa !9
  %59 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEf(ptr noundef nonnull align 8 dereferenceable(8) %57, float noundef %58)
  %60 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %59, ptr noundef nonnull @.str.5)
  %.sroa.0.0.copyload = load i64, ptr %35, align 4
  %61 = call noundef float @_Z13profitPerUnit4Item(i64 %.sroa.0.0.copyload)
  %62 = load float, ptr %1, align 4, !tbaa !9
  %63 = fmul float %61, %62
  %64 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEf(ptr noundef nonnull align 8 dereferenceable(8) %60, float noundef %63)
  store float 0.000000e+00, ptr %1, align 4, !tbaa !9
  br label %.critedge

.critedge:                                        ; preds = %.lr.ph39, %39, %._crit_edge, %53
  %.1 = phi float [ %56, %53 ], [ 0.000000e+00, %._crit_edge ], [ %.02737, %.lr.ph39 ], [ %43, %39 ]
  %65 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.6)
  %66 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEf(ptr noundef nonnull align 8 dereferenceable(8) %65, float noundef %.1)
  call void @_ZdaPv(ptr noundef nonnull %12) #11
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #9
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #9
  ret i32 0
}

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #5

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #7

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEf(ptr noundef nonnull align 8 dereferenceable(8), float noundef) local_unnamed_addr #2 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) local_unnamed_addr #8

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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = { 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 #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 = { "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 = { nobuiltin allocsize(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 #7 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #8 = { nobuiltin 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 #9 = { nounwind }
attributes #10 = { builtin allocsize(0) }
attributes #11 = { builtin 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, !10, i64 0}
!10 = !{!"float", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !6, i64 0}
!14 = !{!"_ZTS4Item", !6, i64 0, !6, i64 4}
!15 = !{!14, !6, i64 4}
!16 = distinct !{!16, !12}


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