; LLVM IR from sumitsojha88/Placement-Preparation :: Geeks For Geeks Solutions/Matrix/Kth element in Matrix.ll (Z11kthSmallestPA1000_iii)

; 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::priority_queue" = type <{ %"class.std::vector", [8 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, %"struct.std::pair.0" }
%"struct.std::pair.0" = type { i32, i32 }

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

; 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 noundef i32 @_Z11kthSmallestPA1000_iii(ptr noundef %0, i32 noundef %1, i32 noundef %2) #1 personality ptr @__gxx_personality_v0 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::priority_queue", align 8
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::pair", align 4
  %11 = alloca %"struct.std::pair.0", align 4
  %12 = alloca i32, align 4
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca { i64, i32 }, align 8
  %16 = alloca %"struct.std::pair", align 4
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  %20 = alloca %"struct.std::pair", align 4
  %21 = alloca %"struct.std::pair.0", align 4
  %22 = alloca i32, align 4
  %23 = alloca { i64, i32 }, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #5
  call void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EEC2IS5_vEEv(ptr noundef nonnull align 8 dereferenceable(25) %8)
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %24

24:                                               ; preds = %40, %3
  %25 = load i32, ptr %9, align 4, !tbaa !9
  %26 = load i32, ptr %6, align 4, !tbaa !9
  %27 = icmp slt i32 %25, %26
  br i1 %27, label %29, label %28

28:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %47

29:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 12, ptr %10) #5
  %30 = load ptr, ptr %5, align 8, !tbaa !5
  %31 = load i32, ptr %9, align 4, !tbaa !9
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [1000 x i32], ptr %30, i64 %32
  %34 = getelementptr inbounds [1000 x i32], ptr %33, i64 0, i64 0
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #5
  store i32 0, ptr %12, align 4, !tbaa !9
  %35 = invoke i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %36 unwind label %43

36:                                               ; preds = %29
  store i64 %35, ptr %11, align 4
  %37 = invoke { i64, i32 } @_ZSt9make_pairIRiSt4pairIiiEES1_INSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4) %34, ptr noundef nonnull align 4 dereferenceable(8) %11)
          to label %38 unwind label %43

38:                                               ; preds = %36
  store { i64, i32 } %37, ptr %15, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %10, ptr align 8 %15, i64 12, i1 false)
  invoke void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE4pushEOS2_(ptr noundef nonnull align 8 dereferenceable(25) %8, ptr noundef nonnull align 4 dereferenceable(12) %10)
          to label %39 unwind label %43

39:                                               ; preds = %38
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr %10) #5
  br label %40

40:                                               ; preds = %39
  %41 = load i32, ptr %9, align 4, !tbaa !9
  %42 = add nsw i32 %41, 1
  store i32 %42, ptr %9, align 4, !tbaa !9
  br label %24, !llvm.loop !11

43:                                               ; preds = %38, %36, %29
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %13, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %110

47:                                               ; preds = %28
  br label %48

48:                                               ; preds = %105, %47
  %49 = invoke noundef zeroext i1 @_ZNKSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) %8)
          to label %50 unwind label %63

50:                                               ; preds = %48
  %51 = xor i1 %49, true
  br i1 %51, label %52, label %107

52:                                               ; preds = %50
  %53 = load i32, ptr %7, align 4, !tbaa !9
  %54 = add nsw i32 %53, -1
  store i32 %54, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 12, ptr %16) #5
  %55 = invoke noundef nonnull align 4 dereferenceable(12) ptr @_ZNKSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %8)
          to label %56 unwind label %67

56:                                               ; preds = %52
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %16, ptr align 4 %55, i64 12, i1 false)
  invoke void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %8)
          to label %57 unwind label %67

57:                                               ; preds = %56
  %58 = load i32, ptr %7, align 4, !tbaa !9
  %59 = icmp eq i32 %58, 0
  br i1 %59, label %60, label %71

60:                                               ; preds = %57
  %61 = getelementptr inbounds %"struct.std::pair", ptr %16, i32 0, i32 0
  %62 = load i32, ptr %61, align 4, !tbaa !13
  store i32 %62, ptr %4, align 4
  store i32 1, ptr %17, align 4
  br label %103

63:                                               ; preds = %48
  %64 = landingpad { ptr, i32 }
          cleanup
  %65 = extractvalue { ptr, i32 } %64, 0
  store ptr %65, ptr %13, align 8
  %66 = extractvalue { ptr, i32 } %64, 1
  store i32 %66, ptr %14, align 4
  br label %110

67:                                               ; preds = %56, %52
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %13, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %14, align 4
  br label %106

71:                                               ; preds = %57
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #5
  %72 = getelementptr inbounds %"struct.std::pair", ptr %16, i32 0, i32 1
  %73 = getelementptr inbounds %"struct.std::pair.0", ptr %72, i32 0, i32 0
  %74 = load i32, ptr %73, align 4, !tbaa !16
  store i32 %74, ptr %18, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #5
  %75 = getelementptr inbounds %"struct.std::pair", ptr %16, i32 0, i32 1
  %76 = getelementptr inbounds %"struct.std::pair.0", ptr %75, i32 0, i32 1
  %77 = load i32, ptr %76, align 4, !tbaa !17
  store i32 %77, ptr %19, align 4, !tbaa !9
  %78 = load i32, ptr %19, align 4, !tbaa !9
  %79 = load i32, ptr %6, align 4, !tbaa !9
  %80 = sub nsw i32 %79, 1
  %81 = icmp slt i32 %78, %80
  br i1 %81, label %82, label %102

82:                                               ; preds = %71
  call void @llvm.lifetime.start.p0(i64 12, ptr %20) #5
  %83 = load ptr, ptr %5, align 8, !tbaa !5
  %84 = load i32, ptr %18, align 4, !tbaa !9
  %85 = sext i32 %84 to i64
  %86 = getelementptr inbounds [1000 x i32], ptr %83, i64 %85
  %87 = load i32, ptr %19, align 4, !tbaa !9
  %88 = add nsw i32 %87, 1
  %89 = sext i32 %88 to i64
  %90 = getelementptr inbounds [1000 x i32], ptr %86, i64 0, i64 %89
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %22) #5
  %91 = load i32, ptr %19, align 4, !tbaa !9
  %92 = add nsw i32 %91, 1
  store i32 %92, ptr %22, align 4, !tbaa !9
  %93 = invoke i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %18, ptr noundef nonnull align 4 dereferenceable(4) %22)
          to label %94 unwind label %98

94:                                               ; preds = %82
  store i64 %93, ptr %21, align 4
  %95 = invoke { i64, i32 } @_ZSt9make_pairIRiSt4pairIiiEES1_INSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4) %90, ptr noundef nonnull align 4 dereferenceable(8) %21)
          to label %96 unwind label %98

96:                                               ; preds = %94
  store { i64, i32 } %95, ptr %23, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %20, ptr align 8 %23, i64 12, i1 false)
  invoke void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE4pushEOS2_(ptr noundef nonnull align 8 dereferenceable(25) %8, ptr noundef nonnull align 4 dereferenceable(12) %20)
          to label %97 unwind label %98

97:                                               ; preds = %96
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr %20) #5
  br label %102

98:                                               ; preds = %96, %94, %82
  %99 = landingpad { ptr, i32 }
          cleanup
  %100 = extractvalue { ptr, i32 } %99, 0
  store ptr %100, ptr %13, align 8
  %101 = extractvalue { ptr, i32 } %99, 1
  store i32 %101, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr %20) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  br label %106

102:                                              ; preds = %97, %71
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  store i32 0, ptr %17, align 4
  br label %103

103:                                              ; preds = %102, %60
  call void @llvm.lifetime.end.p0(i64 12, ptr %16) #5
  %104 = load i32, ptr %17, align 4
  switch i32 %104, label %108 [
    i32 0, label %105
  ]

105:                                              ; preds = %103
  br label %48, !llvm.loop !18

106:                                              ; preds = %98, %67
  call void @llvm.lifetime.end.p0(i64 12, ptr %16) #5
  br label %110

107:                                              ; preds = %50
  store i32 -1, ptr %4, align 4
  store i32 1, ptr %17, align 4
  br label %108

108:                                              ; preds = %107, %103
  call void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %8) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #5
  %109 = load i32, ptr %4, align 4
  ret i32 %109

110:                                              ; preds = %106, %63, %43
  call void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %8) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #5
  br label %111

111:                                              ; preds = %110
  %112 = load ptr, ptr %13, align 8
  %113 = load i32, ptr %14, align 4
  %114 = insertvalue { ptr, i32 } poison, ptr %112, 0
  %115 = insertvalue { ptr, i32 } %114, i32 %113, 1
  resume { ptr, i32 } %115
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EEC2IS5_vEEv(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE4pushEOS2_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 4 dereferenceable(12)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i32 } @_ZSt9make_pairIRiSt4pairIiiEES1_INSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(8)) #1

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #1

declare i32 @__gxx_personality_v0(...)

; 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) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZNKSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #4 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #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 = !{!"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 = !{!14, !10, i64 0}
!14 = !{!"_ZTSSt4pairIiS_IiiEE", !10, i64 0, !15, i64 4}
!15 = !{!"_ZTSSt4pairIiiE", !10, i64 0, !10, i64 4}
!16 = !{!14, !10, i64 4}
!17 = !{!14, !10, i64 8}
!18 = distinct !{!18, !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::priority_queue" = type <{ %"class.std::vector", [8 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, std::pair<int, int>>, std::allocator<std::pair<int, std::pair<int, int>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, %"struct.std::pair.0" }
%"struct.std::pair.0" = type { i32, i32 }

; 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 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 noundef i32 @_Z11kthSmallestPA1000_iii(ptr noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::priority_queue", align 8
  %5 = alloca i32, align 4
  %6 = alloca %"struct.std::pair", align 8
  %7 = alloca %"struct.std::pair.0", align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::pair", align 8
  %11 = alloca %"struct.std::pair.0", align 8
  %12 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #4
  call void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EEC2IS5_vEEv(ptr noundef nonnull align 8 dereferenceable(25) %4)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #4
  store i32 0, ptr %5, align 4, !tbaa !5
  %13 = icmp sgt i32 %1, 0
  br i1 %13, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %3
  %.sroa.28.0..sroa_idx = getelementptr inbounds i8, ptr %6, i64 8
  br label %16

._crit_edge:                                      ; preds = %23, %3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  %14 = call noundef zeroext i1 @_ZNKSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) %4)
  br i1 %14, label %.thread, label %.lr.ph31

.lr.ph31:                                         ; preds = %._crit_edge
  %15 = add nsw i32 %1, -1
  %.sroa.2.0..sroa_idx = getelementptr inbounds i8, ptr %10, i64 8
  br label %29

16:                                               ; preds = %.lr.ph, %23
  %storemerge28 = phi i32 [ 0, %.lr.ph ], [ %25, %23 ]
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %6) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #4
  store i32 0, ptr %8, align 4, !tbaa !5
  %17 = invoke i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %18 unwind label %27

18:                                               ; preds = %16
  %19 = sext i32 %storemerge28 to i64
  %20 = getelementptr inbounds [1000 x i32], ptr %0, i64 %19
  store i64 %17, ptr %7, align 8
  %21 = invoke { i64, i32 } @_ZSt9make_pairIRiSt4pairIiiEES1_INSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4) %20, ptr noundef nonnull align 4 dereferenceable(8) %7)
          to label %22 unwind label %27

22:                                               ; preds = %18
  %.fca.0.extract5 = extractvalue { i64, i32 } %21, 0
  %.fca.1.extract6 = extractvalue { i64, i32 } %21, 1
  store i64 %.fca.0.extract5, ptr %6, align 8
  store i32 %.fca.1.extract6, ptr %.sroa.28.0..sroa_idx, align 8
  invoke void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE4pushEOS2_(ptr noundef nonnull align 8 dereferenceable(25) %4, ptr noundef nonnull align 4 dereferenceable(12) %6)
          to label %23 unwind label %27

23:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %6) #4
  %24 = load i32, ptr %5, align 4, !tbaa !5
  %25 = add nsw i32 %24, 1
  store i32 %25, ptr %5, align 4, !tbaa !5
  %26 = icmp slt i32 %25, %1
  br i1 %26, label %16, label %._crit_edge, !llvm.loop !9

27:                                               ; preds = %22, %18, %16
  %28 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  br label %51

29:                                               ; preds = %.lr.ph31, %49
  %.01729 = phi i32 [ %2, %.lr.ph31 ], [ %30, %49 ]
  %30 = add nsw i32 %.01729, -1
  %31 = call noundef nonnull align 4 dereferenceable(12) ptr @_ZNKSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %4)
  %.sroa.04.0.copyload = load i32, ptr %31, align 4
  %.sroa.5.0..sroa_idx = getelementptr inbounds i8, ptr %31, i64 4
  %.sroa.5.0.copyload = load i32, ptr %.sroa.5.0..sroa_idx, align 4
  %.sroa.6.0..sroa_idx = getelementptr inbounds i8, ptr %31, i64 8
  %.sroa.6.0.copyload = load i32, ptr %.sroa.6.0..sroa_idx, align 4
  invoke void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %4)
          to label %32 unwind label %33

32:                                               ; preds = %29
  %.not = icmp eq i32 %30, 0
  br i1 %.not, label %.thread, label %35

33:                                               ; preds = %29
  %34 = landingpad { ptr, i32 }
          cleanup
  br label %51

35:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #4
  store i32 %.sroa.5.0.copyload, ptr %9, align 4, !tbaa !5
  %36 = icmp slt i32 %.sroa.6.0.copyload, %15
  br i1 %36, label %37, label %49

37:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %10) #4
  %38 = add nsw i32 %.sroa.6.0.copyload, 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %12) #4
  store i32 %38, ptr %12, align 4, !tbaa !5
  %39 = invoke i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %40 unwind label %47

40:                                               ; preds = %37
  %41 = sext i32 %38 to i64
  %42 = sext i32 %.sroa.5.0.copyload to i64
  %43 = getelementptr inbounds [1000 x i32], ptr %0, i64 %42, i64 %41
  store i64 %39, ptr %11, align 8
  %44 = invoke { i64, i32 } @_ZSt9make_pairIRiSt4pairIiiEES1_INSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4) %43, ptr noundef nonnull align 4 dereferenceable(8) %11)
          to label %45 unwind label %47

45:                                               ; preds = %40
  %.fca.0.extract = extractvalue { i64, i32 } %44, 0
  %.fca.1.extract = extractvalue { i64, i32 } %44, 1
  store i64 %.fca.0.extract, ptr %10, align 8
  store i32 %.fca.1.extract, ptr %.sroa.2.0..sroa_idx, align 8
  invoke void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE4pushEOS2_(ptr noundef nonnull align 8 dereferenceable(25) %4, ptr noundef nonnull align 4 dereferenceable(12) %10)
          to label %46 unwind label %47

46:                                               ; preds = %45
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %10) #4
  br label %49

47:                                               ; preds = %45, %40, %37
  %48 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #4
  br label %51

49:                                               ; preds = %35, %46
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #4
  %50 = call noundef zeroext i1 @_ZNKSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) %4)
  br i1 %50, label %.thread, label %29

.thread:                                          ; preds = %49, %32, %._crit_edge
  %.2 = phi i32 [ -1, %._crit_edge ], [ %.sroa.04.0.copyload, %32 ], [ -1, %49 ]
  call void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %4) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #4
  ret i32 %.2

51:                                               ; preds = %33, %47, %27
  %.pn25 = phi { ptr, i32 } [ %28, %27 ], [ %48, %47 ], [ %34, %33 ]
  call void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %4) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #4
  resume { ptr, i32 } %.pn25
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EEC2IS5_vEEv(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE4pushEOS2_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i32 } @_ZSt9make_pairIRiSt4pairIiiEES1_INSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS3_INS4_IT0_E4typeEE6__typeEEOS5_OSA_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZNKSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiS0_IiiEESt6vectorIS2_SaIS2_EESt7greaterIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #3 align 2

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


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass