; LLVM IR from nragland37/cpp-projects :: programming-II/03-binarySearch-selectionSort_introToPointers (sortSearch)

; 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::__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] }

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_Z13selectionSortPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi(ptr noundef %0, i32 noundef %1) #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %12

12:                                               ; preds = %76, %2
  %13 = load i32, ptr %7, align 4, !tbaa !9
  %14 = load i32, ptr %4, align 4, !tbaa !9
  %15 = sub nsw i32 %14, 1
  %16 = icmp slt i32 %13, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %12
  store i32 2, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %80

18:                                               ; preds = %12
  %19 = load i32, ptr %7, align 4, !tbaa !9
  store i32 %19, ptr %5, align 4, !tbaa !9
  %20 = load ptr, ptr %3, align 8, !tbaa !5
  %21 = load i32, ptr %5, align 4, !tbaa !9
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %20, i64 %22
  %24 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull align 8 dereferenceable(32) %23)
          to label %25 unwind label %33

25:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  %26 = load i32, ptr %7, align 4, !tbaa !9
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr %11, align 4, !tbaa !9
  br label %28

28:                                               ; preds = %56, %25
  %29 = load i32, ptr %11, align 4, !tbaa !9
  %30 = load i32, ptr %4, align 4, !tbaa !9
  %31 = icmp slt i32 %29, %30
  br i1 %31, label %37, label %32

32:                                               ; preds = %28
  store i32 5, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  br label %59

33:                                               ; preds = %69, %59, %18
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %9, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %10, align 4
  br label %79

37:                                               ; preds = %28
  %38 = load ptr, ptr %3, align 8, !tbaa !5
  %39 = load i32, ptr %11, align 4, !tbaa !9
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %38, i64 %40
  %42 = call noundef zeroext i1 @_ZStltIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EESA_(ptr noundef nonnull align 8 dereferenceable(32) %41, ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  br i1 %42, label %43, label %55

43:                                               ; preds = %37
  %44 = load ptr, ptr %3, align 8, !tbaa !5
  %45 = load i32, ptr %11, align 4, !tbaa !9
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %44, i64 %46
  %48 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull align 8 dereferenceable(32) %47)
          to label %49 unwind label %51

49:                                               ; preds = %43
  %50 = load i32, ptr %11, align 4, !tbaa !9
  store i32 %50, ptr %5, align 4, !tbaa !9
  br label %55

51:                                               ; preds = %43
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %9, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  br label %79

55:                                               ; preds = %49, %37
  br label %56

56:                                               ; preds = %55
  %57 = load i32, ptr %11, align 4, !tbaa !9
  %58 = add nsw i32 %57, 1
  store i32 %58, ptr %11, align 4, !tbaa !9
  br label %28, !llvm.loop !11

59:                                               ; preds = %32
  %60 = load ptr, ptr %3, align 8, !tbaa !5
  %61 = load i32, ptr %7, align 4, !tbaa !9
  %62 = sext i32 %61 to i64
  %63 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %60, i64 %62
  %64 = load ptr, ptr %3, align 8, !tbaa !5
  %65 = load i32, ptr %5, align 4, !tbaa !9
  %66 = sext i32 %65 to i64
  %67 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %64, i64 %66
  %68 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %67, ptr noundef nonnull align 8 dereferenceable(32) %63)
          to label %69 unwind label %33

69:                                               ; preds = %59
  %70 = load ptr, ptr %3, align 8, !tbaa !5
  %71 = load i32, ptr %7, align 4, !tbaa !9
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %70, i64 %72
  %74 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %73, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %75 unwind label %33

75:                                               ; preds = %69
  br label %76

76:                                               ; preds = %75
  %77 = load i32, ptr %7, align 4, !tbaa !9
  %78 = add nsw i32 %77, 1
  store i32 %78, ptr %7, align 4, !tbaa !9
  br label %12, !llvm.loop !13

79:                                               ; preds = %51, %33
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %81

80:                                               ; preds = %17
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  ret void

81:                                               ; preds = %79
  %82 = load ptr, ptr %9, align 8
  %83 = load i32, ptr %10, align 4
  %84 = insertvalue { ptr, i32 } poison, ptr %82, 0
  %85 = insertvalue { ptr, i32 } %84, i32 %83, 1
  resume { ptr, i32 } %85
}

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStltIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EESA_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { inlinehint 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !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::__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] }

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_Z13selectionSortPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi(ptr noundef %0, i32 noundef %1) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  %4 = call i32 @llvm.smax.i32(i32 %1, i32 1)
  %smax = add nsw i32 %4, -1
  %wide.trip.count = zext nneg i32 %smax to i64
  br label %5

5:                                                ; preds = %27, %2
  %indvars.iv33 = phi i64 [ %indvars.iv.next34, %27 ], [ 0, %2 ]
  %indvars.iv = phi i64 [ %indvars.iv.next, %27 ], [ 1, %2 ]
  %exitcond36.not = icmp eq i64 %indvars.iv33, %wide.trip.count
  br i1 %exitcond36.not, label %6, label %7

6:                                                ; preds = %5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  ret void

7:                                                ; preds = %5
  %8 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %0, i64 %indvars.iv33
  %9 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %10 unwind label %17

10:                                               ; preds = %7
  %indvars.iv.next34 = add nuw nsw i64 %indvars.iv33, 1
  %11 = trunc nuw i64 %indvars.iv.next34 to i32
  %12 = icmp slt i32 %11, %1
  %13 = trunc nuw nsw i64 %indvars.iv33 to i32
  br i1 %12, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %26, %10
  %.025.lcssa = phi i32 [ %13, %10 ], [ %.1, %26 ]
  %14 = sext i32 %.025.lcssa to i64
  %15 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %0, i64 %14
  %16 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %15, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %27 unwind label %17

17:                                               ; preds = %27, %._crit_edge, %7
  %18 = landingpad { ptr, i32 }
          cleanup
  br label %29

.lr.ph:                                           ; preds = %10, %26
  %indvars.iv30 = phi i64 [ %indvars.iv.next31, %26 ], [ %indvars.iv, %10 ]
  %.02528 = phi i32 [ %.1, %26 ], [ %13, %10 ]
  %19 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %0, i64 %indvars.iv30
  %20 = call noundef zeroext i1 @_ZStltIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EESA_(ptr noundef nonnull align 8 dereferenceable(32) %19, ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  br i1 %20, label %21, label %26

21:                                               ; preds = %.lr.ph
  %22 = trunc nuw i64 %indvars.iv30 to i32
  %23 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(32) %19)
          to label %26 unwind label %24

24:                                               ; preds = %21
  %25 = landingpad { ptr, i32 }
          cleanup
  br label %29

26:                                               ; preds = %21, %.lr.ph
  %.1 = phi i32 [ %.02528, %.lr.ph ], [ %22, %21 ]
  %indvars.iv.next31 = add nuw nsw i64 %indvars.iv30, 1
  %lftr.wideiv = trunc i64 %indvars.iv.next31 to i32
  %exitcond.not = icmp eq i32 %lftr.wideiv, %1
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !5

27:                                               ; preds = %._crit_edge
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %28 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %5 unwind label %17, !llvm.loop !7

29:                                               ; preds = %24, %17
  %.pn = phi { ptr, i32 } [ %25, %24 ], [ %18, %17 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  resume { ptr, i32 } %.pn
}

; 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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStltIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EESA_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #4

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { inlinehint 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 #4 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = distinct !{!7, !6}


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