; LLVM IR from bqi343/cp-notebook :: Contests/USACO Solutions/2017-18/Dec 2017/Plat/standingout_hash.ll (Z3lcpSt4pairIxxES0_)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%struct.hsh = type { i32, %"class.std::__cxx11::basic_string", %"class.std::vector", %"class.std::vector", %"class.std::vector" }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i64, i64 }

@S = external dso_local global [100000 x %struct.hsh], align 16

; 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 @_Z3lcpSt4pairIxxES0_(i64 %0, i64 %1, i64 %2, i64 %3) #1 {
  %5 = alloca i32, align 4
  %6 = alloca %"struct.std::pair", align 8
  %7 = alloca %"struct.std::pair", align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca i32, align 4
  %13 = alloca %"struct.std::pair", align 8
  %14 = alloca %"struct.std::pair", align 8
  %15 = getelementptr inbounds { i64, i64 }, ptr %6, i32 0, i32 0
  store i64 %0, ptr %15, align 8
  %16 = getelementptr inbounds { i64, i64 }, ptr %6, i32 0, i32 1
  store i64 %1, ptr %16, align 8
  %17 = getelementptr inbounds { i64, i64 }, ptr %7, i32 0, i32 0
  store i64 %2, ptr %17, align 8
  %18 = getelementptr inbounds { i64, i64 }, ptr %7, i32 0, i32 1
  store i64 %3, ptr %18, align 8
  %19 = getelementptr inbounds %"struct.std::pair", ptr %6, i32 0, i32 0
  %20 = load i64, ptr %19, align 8, !tbaa !5
  %21 = icmp eq i64 %20, -1
  br i1 %21, label %22, label %23

22:                                               ; preds = %4
  store i32 0, ptr %5, align 4
  br label %100

23:                                               ; preds = %4
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  store i32 0, ptr %8, align 4, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  %24 = getelementptr inbounds %"struct.std::pair", ptr %6, i32 0, i32 0
  %25 = load i64, ptr %24, align 8, !tbaa !5
  %26 = getelementptr inbounds [100000 x %struct.hsh], ptr @S, i64 0, i64 %25
  %27 = getelementptr inbounds %struct.hsh, ptr %26, i32 0, i32 0
  %28 = load i32, ptr %27, align 16, !tbaa !12
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds %"struct.std::pair", ptr %6, i32 0, i32 1
  %31 = load i64, ptr %30, align 8, !tbaa !22
  %32 = sub nsw i64 %29, %31
  store i64 %32, ptr %10, align 8, !tbaa !23
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #3
  %33 = getelementptr inbounds %"struct.std::pair", ptr %7, i32 0, i32 0
  %34 = load i64, ptr %33, align 8, !tbaa !5
  %35 = getelementptr inbounds [100000 x %struct.hsh], ptr @S, i64 0, i64 %34
  %36 = getelementptr inbounds %struct.hsh, ptr %35, i32 0, i32 0
  %37 = load i32, ptr %36, align 16, !tbaa !12
  %38 = sext i32 %37 to i64
  %39 = getelementptr inbounds %"struct.std::pair", ptr %7, i32 0, i32 1
  %40 = load i64, ptr %39, align 8, !tbaa !22
  %41 = sub nsw i64 %38, %40
  store i64 %41, ptr %11, align 8, !tbaa !23
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11)
  %43 = load i64, ptr %42, align 8, !tbaa !23
  %44 = trunc i64 %43 to i32
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  store i32 %44, ptr %9, align 4, !tbaa !10
  br label %45

45:                                               ; preds = %97, %23
  %46 = load i32, ptr %8, align 4, !tbaa !10
  %47 = load i32, ptr %9, align 4, !tbaa !10
  %48 = icmp slt i32 %46, %47
  br i1 %48, label %49, label %98

49:                                               ; preds = %45
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  %50 = load i32, ptr %8, align 4, !tbaa !10
  %51 = load i32, ptr %9, align 4, !tbaa !10
  %52 = add nsw i32 %50, %51
  %53 = add nsw i32 %52, 1
  %54 = sdiv i32 %53, 2
  store i32 %54, ptr %12, align 4, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 16, ptr %13) #3
  %55 = getelementptr inbounds %"struct.std::pair", ptr %6, i32 0, i32 0
  %56 = load i64, ptr %55, align 8, !tbaa !5
  %57 = getelementptr inbounds [100000 x %struct.hsh], ptr @S, i64 0, i64 %56
  %58 = getelementptr inbounds %"struct.std::pair", ptr %6, i32 0, i32 1
  %59 = load i64, ptr %58, align 8, !tbaa !22
  %60 = trunc i64 %59 to i32
  %61 = getelementptr inbounds %"struct.std::pair", ptr %6, i32 0, i32 1
  %62 = load i64, ptr %61, align 8, !tbaa !22
  %63 = load i32, ptr %12, align 4, !tbaa !10
  %64 = sext i32 %63 to i64
  %65 = add nsw i64 %62, %64
  %66 = sub nsw i64 %65, 1
  %67 = trunc i64 %66 to i32
  %68 = call { i64, i64 } @_ZN3hsh3getEii(ptr noundef nonnull align 8 dereferenceable(112) %57, i32 noundef %60, i32 noundef %67)
  %69 = getelementptr inbounds { i64, i64 }, ptr %13, i32 0, i32 0
  %70 = extractvalue { i64, i64 } %68, 0
  store i64 %70, ptr %69, align 8
  %71 = getelementptr inbounds { i64, i64 }, ptr %13, i32 0, i32 1
  %72 = extractvalue { i64, i64 } %68, 1
  store i64 %72, ptr %71, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %14) #3
  %73 = getelementptr inbounds %"struct.std::pair", ptr %7, i32 0, i32 0
  %74 = load i64, ptr %73, align 8, !tbaa !5
  %75 = getelementptr inbounds [100000 x %struct.hsh], ptr @S, i64 0, i64 %74
  %76 = getelementptr inbounds %"struct.std::pair", ptr %7, i32 0, i32 1
  %77 = load i64, ptr %76, align 8, !tbaa !22
  %78 = trunc i64 %77 to i32
  %79 = getelementptr inbounds %"struct.std::pair", ptr %7, i32 0, i32 1
  %80 = load i64, ptr %79, align 8, !tbaa !22
  %81 = load i32, ptr %12, align 4, !tbaa !10
  %82 = sext i32 %81 to i64
  %83 = add nsw i64 %80, %82
  %84 = sub nsw i64 %83, 1
  %85 = trunc i64 %84 to i32
  %86 = call { i64, i64 } @_ZN3hsh3getEii(ptr noundef nonnull align 8 dereferenceable(112) %75, i32 noundef %78, i32 noundef %85)
  %87 = getelementptr inbounds { i64, i64 }, ptr %14, i32 0, i32 0
  %88 = extractvalue { i64, i64 } %86, 0
  store i64 %88, ptr %87, align 8
  %89 = getelementptr inbounds { i64, i64 }, ptr %14, i32 0, i32 1
  %90 = extractvalue { i64, i64 } %86, 1
  store i64 %90, ptr %89, align 8
  %91 = call noundef zeroext i1 @_ZSteqIxxEbRKSt4pairIT_T0_ES5_(ptr noundef nonnull align 8 dereferenceable(16) %13, ptr noundef nonnull align 8 dereferenceable(16) %14)
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %13) #3
  br i1 %91, label %92, label %94

92:                                               ; preds = %49
  %93 = load i32, ptr %12, align 4, !tbaa !10
  store i32 %93, ptr %8, align 4, !tbaa !10
  br label %97

94:                                               ; preds = %49
  %95 = load i32, ptr %12, align 4, !tbaa !10
  %96 = sub nsw i32 %95, 1
  store i32 %96, ptr %9, align 4, !tbaa !10
  br label %97

97:                                               ; preds = %94, %92
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  br label %45, !llvm.loop !24

98:                                               ; preds = %45
  %99 = load i32, ptr %8, align 4, !tbaa !10
  store i32 %99, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  br label %100

100:                                              ; preds = %98, %22
  %101 = load i32, ptr %5, align 4
  ret i32 %101
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIxxEbRKSt4pairIT_T0_ES5_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i64 } @_ZN3hsh3getEii(ptr noundef nonnull align 8 dereferenceable(112), i32 noundef, i32 noundef) #1 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 = { 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 #3 = { 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, !7, i64 0}
!6 = !{!"_ZTSSt4pairIxxE", !7, i64 0, !7, i64 8}
!7 = !{!"long long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !8, i64 0}
!12 = !{!13, !11, i64 0}
!13 = !{!"_ZTS3hsh", !11, i64 0, !14, i64 8, !18, i64 40, !18, i64 64, !18, i64 88}
!14 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !15, i64 0, !17, i64 8, !8, i64 16}
!15 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !16, i64 0}
!16 = !{!"any pointer", !8, i64 0}
!17 = !{!"long", !8, i64 0}
!18 = !{!"_ZTSSt6vectorISt4pairIxxESaIS1_EE", !19, i64 0}
!19 = !{!"_ZTSSt12_Vector_baseISt4pairIxxESaIS1_EE", !20, i64 0}
!20 = !{!"_ZTSNSt12_Vector_baseISt4pairIxxESaIS1_EE12_Vector_implE", !21, i64 0}
!21 = !{!"_ZTSNSt12_Vector_baseISt4pairIxxESaIS1_EE17_Vector_impl_dataE", !16, i64 0, !16, i64 8, !16, i64 16}
!22 = !{!6, !7, i64 8}
!23 = !{!7, !7, i64 0}
!24 = distinct !{!24, !25}
!25 = !{!"llvm.loop.mustprogress"}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%struct.hsh = type { i32, %"class.std::__cxx11::basic_string", %"class.std::vector", %"class.std::vector", %"class.std::vector" }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i64, i64 }

@S = external dso_local global [100000 x %struct.hsh], align 16

; 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 range(i32 0, 1073741824) i32 @_Z3lcpSt4pairIxxES0_(i64 %0, i64 %1, i64 %2, i64 %3) local_unnamed_addr #1 {
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca %"struct.std::pair", align 8
  %8 = alloca %"struct.std::pair", align 8
  %9 = icmp eq i64 %0, -1
  br i1 %9, label %.loopexit, label %10

10:                                               ; preds = %4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #3
  %11 = getelementptr inbounds [100000 x %struct.hsh], ptr @S, i64 0, i64 %0
  %12 = load i32, ptr %11, align 16, !tbaa !5
  %13 = sext i32 %12 to i64
  %14 = sub nsw i64 %13, %1
  store i64 %14, ptr %5, align 8, !tbaa !18
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #3
  %15 = getelementptr inbounds [100000 x %struct.hsh], ptr @S, i64 0, i64 %2
  %16 = load i32, ptr %15, align 16, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = sub nsw i64 %17, %3
  store i64 %18, ptr %6, align 8, !tbaa !18
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6)
  %20 = load i64, ptr %19, align 8, !tbaa !18
  %21 = trunc i64 %20 to i32
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  %22 = icmp sgt i32 %21, 0
  br i1 %22, label %.lr.ph, label %.loopexit

.lr.ph:                                           ; preds = %10
  %23 = trunc i64 %1 to i32
  %24 = getelementptr inbounds i8, ptr %7, i64 8
  %25 = trunc i64 %3 to i32
  %26 = getelementptr inbounds i8, ptr %8, i64 8
  br label %27

27:                                               ; preds = %.lr.ph, %27
  %.01823 = phi i32 [ %21, %.lr.ph ], [ %.1, %27 ]
  %.01922 = phi i32 [ 0, %.lr.ph ], [ %.120, %27 ]
  %28 = add nuw nsw i32 %.01922, 1
  %29 = add nuw nsw i32 %28, %.01823
  %30 = lshr i32 %29, 1
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #3
  %31 = add nsw i32 %30, -1
  %32 = add i32 %31, %23
  %33 = call { i64, i64 } @_ZN3hsh3getEii(ptr noundef nonnull align 8 dereferenceable(112) %11, i32 noundef %23, i32 noundef %32)
  %34 = extractvalue { i64, i64 } %33, 0
  store i64 %34, ptr %7, align 8
  %35 = extractvalue { i64, i64 } %33, 1
  store i64 %35, ptr %24, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #3
  %36 = add i32 %31, %25
  %37 = call { i64, i64 } @_ZN3hsh3getEii(ptr noundef nonnull align 8 dereferenceable(112) %15, i32 noundef %25, i32 noundef %36)
  %38 = extractvalue { i64, i64 } %37, 0
  store i64 %38, ptr %8, align 8
  %39 = extractvalue { i64, i64 } %37, 1
  store i64 %39, ptr %26, align 8
  %40 = call noundef zeroext i1 @_ZSteqIxxEbRKSt4pairIT_T0_ES5_(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 8 dereferenceable(16) %8)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #3
  %.120 = select i1 %40, i32 %30, i32 %.01922
  %.1 = select i1 %40, i32 %.01823, i32 %31
  %41 = icmp slt i32 %.120, %.1
  br i1 %41, label %27, label %.loopexit, !llvm.loop !20

.loopexit:                                        ; preds = %27, %10, %4
  %.0 = phi i32 [ 0, %4 ], [ 0, %10 ], [ %.120, %27 ]
  ret i32 %.0
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIxxEbRKSt4pairIT_T0_ES5_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i64 } @_ZN3hsh3getEii(ptr noundef nonnull align 8 dereferenceable(112), i32 noundef, i32 noundef) local_unnamed_addr #1 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 = { 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 #3 = { 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, !7, i64 0}
!6 = !{!"_ZTS3hsh", !7, i64 0, !10, i64 8, !14, i64 40, !14, i64 64, !14, i64 88}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !11, i64 0, !13, i64 8, !8, i64 16}
!11 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !12, i64 0}
!12 = !{!"any pointer", !8, i64 0}
!13 = !{!"long", !8, i64 0}
!14 = !{!"_ZTSSt6vectorISt4pairIxxESaIS1_EE", !15, i64 0}
!15 = !{!"_ZTSSt12_Vector_baseISt4pairIxxESaIS1_EE", !16, i64 0}
!16 = !{!"_ZTSNSt12_Vector_baseISt4pairIxxESaIS1_EE12_Vector_implE", !17, i64 0}
!17 = !{!"_ZTSNSt12_Vector_baseISt4pairIxxESaIS1_EE17_Vector_impl_dataE", !12, i64 0, !12, i64 8, !12, i64 16}
!18 = !{!19, !19, i64 0}
!19 = !{!"long long", !8, i64 0}
!20 = distinct !{!20, !21}
!21 = !{!"llvm.loop.mustprogress"}


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