; LLVM IR from MinaFaried3/Assiut-University-Training---Newcomers :: a-sheet1_data_type/K-MaxandMin.ll (Z9solution3v)

; 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_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" }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #1

; 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) #2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9solution3v() #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  %4 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %5 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %4, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %7 = load i32, ptr %1, align 4, !tbaa !5
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = icmp sle i32 %7, %8
  br i1 %9, label %10, label %17

10:                                               ; preds = %0
  %11 = load i32, ptr %1, align 4, !tbaa !5
  %12 = load i32, ptr %3, align 4, !tbaa !5
  %13 = icmp sle i32 %11, %12
  br i1 %13, label %14, label %17

14:                                               ; preds = %10
  %15 = load i32, ptr %1, align 4, !tbaa !5
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %15)
  br label %41

17:                                               ; preds = %10, %0
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = load i32, ptr %1, align 4, !tbaa !5
  %20 = icmp sle i32 %18, %19
  br i1 %20, label %21, label %28

21:                                               ; preds = %17
  %22 = load i32, ptr %2, align 4, !tbaa !5
  %23 = load i32, ptr %3, align 4, !tbaa !5
  %24 = icmp sle i32 %22, %23
  br i1 %24, label %25, label %28

25:                                               ; preds = %21
  %26 = load i32, ptr %2, align 4, !tbaa !5
  %27 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %26)
  br label %40

28:                                               ; preds = %21, %17
  %29 = load i32, ptr %3, align 4, !tbaa !5
  %30 = load i32, ptr %1, align 4, !tbaa !5
  %31 = icmp sle i32 %29, %30
  br i1 %31, label %32, label %39

32:                                               ; preds = %28
  %33 = load i32, ptr %3, align 4, !tbaa !5
  %34 = load i32, ptr %2, align 4, !tbaa !5
  %35 = icmp sle i32 %33, %34
  br i1 %35, label %36, label %39

36:                                               ; preds = %32
  %37 = load i32, ptr %3, align 4, !tbaa !5
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %37)
  br label %39

39:                                               ; preds = %36, %32, %28
  br label %40

40:                                               ; preds = %39, %25
  br label %41

41:                                               ; preds = %40, %14
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  %43 = load i32, ptr %1, align 4, !tbaa !5
  %44 = load i32, ptr %2, align 4, !tbaa !5
  %45 = icmp sge i32 %43, %44
  br i1 %45, label %46, label %53

46:                                               ; preds = %41
  %47 = load i32, ptr %1, align 4, !tbaa !5
  %48 = load i32, ptr %3, align 4, !tbaa !5
  %49 = icmp sge i32 %47, %48
  br i1 %49, label %50, label %53

50:                                               ; preds = %46
  %51 = load i32, ptr %1, align 4, !tbaa !5
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %51)
  br label %77

53:                                               ; preds = %46, %41
  %54 = load i32, ptr %2, align 4, !tbaa !5
  %55 = load i32, ptr %1, align 4, !tbaa !5
  %56 = icmp sge i32 %54, %55
  br i1 %56, label %57, label %64

57:                                               ; preds = %53
  %58 = load i32, ptr %2, align 4, !tbaa !5
  %59 = load i32, ptr %3, align 4, !tbaa !5
  %60 = icmp sge i32 %58, %59
  br i1 %60, label %61, label %64

61:                                               ; preds = %57
  %62 = load i32, ptr %2, align 4, !tbaa !5
  %63 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %62)
  br label %76

64:                                               ; preds = %57, %53
  %65 = load i32, ptr %3, align 4, !tbaa !5
  %66 = load i32, ptr %1, align 4, !tbaa !5
  %67 = icmp sge i32 %65, %66
  br i1 %67, label %68, label %75

68:                                               ; preds = %64
  %69 = load i32, ptr %3, align 4, !tbaa !5
  %70 = load i32, ptr %2, align 4, !tbaa !5
  %71 = icmp sge i32 %69, %70
  br i1 %71, label %72, label %75

72:                                               ; preds = %68
  %73 = load i32, ptr %3, align 4, !tbaa !5
  %74 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %73)
  br label %75

75:                                               ; preds = %72, %68, %64
  br label %76

76:                                               ; preds = %75, %61
  br label %77

77:                                               ; preds = %76, %50
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #4
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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 = { 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"}


; 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_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" }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

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 #1

; 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 #2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9solution3v() local_unnamed_addr #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  %4 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %5 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %4, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %7 = load i32, ptr %1, align 4, !tbaa !5
  %8 = load i32, ptr %2, align 4
  %.not = icmp sgt i32 %7, %8
  %9 = load i32, ptr %3, align 4
  %.not6 = icmp sgt i32 %7, %9
  %or.cond = select i1 %.not, i1 true, i1 %.not6
  br i1 %or.cond, label %10, label %.sink.split

10:                                               ; preds = %0
  %.not7 = icmp sgt i32 %8, %7
  %.not8 = icmp sgt i32 %8, %9
  %or.cond17 = select i1 %.not7, i1 true, i1 %.not8
  br i1 %or.cond17, label %11, label %.sink.split

11:                                               ; preds = %10
  %.not9 = icmp sgt i32 %9, %7
  %.not10 = icmp sgt i32 %9, %8
  %or.cond18 = or i1 %.not9, %.not10
  br i1 %or.cond18, label %13, label %.sink.split

.sink.split:                                      ; preds = %11, %10, %0
  %.sink = phi i32 [ %7, %0 ], [ %8, %10 ], [ %9, %11 ]
  %12 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.sink)
  br label %13

13:                                               ; preds = %.sink.split, %11
  %14 = 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)
  %15 = load i32, ptr %1, align 4, !tbaa !5
  %16 = load i32, ptr %2, align 4
  %.not11 = icmp slt i32 %15, %16
  %17 = load i32, ptr %3, align 4
  %.not12 = icmp slt i32 %15, %17
  %or.cond19 = select i1 %.not11, i1 true, i1 %.not12
  br i1 %or.cond19, label %18, label %.sink.split22

18:                                               ; preds = %13
  %.not13 = icmp slt i32 %16, %15
  %.not14 = icmp slt i32 %16, %17
  %or.cond20 = select i1 %.not13, i1 true, i1 %.not14
  br i1 %or.cond20, label %19, label %.sink.split22

19:                                               ; preds = %18
  %.not15 = icmp slt i32 %17, %15
  %.not16 = icmp slt i32 %17, %16
  %or.cond21 = or i1 %.not15, %.not16
  br i1 %or.cond21, label %21, label %.sink.split22

.sink.split22:                                    ; preds = %19, %18, %13
  %.sink23 = phi i32 [ %15, %13 ], [ %16, %18 ], [ %17, %19 ]
  %20 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.sink23)
  br label %21

21:                                               ; preds = %.sink.split22, %19
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #4
  ret void
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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 = { 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"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SimplifyCFGPass