; LLVM IR from VastoLorde95/Competitive-Programming :: CodeChef/WF/Medium Hard/CARDSHUF/AA.ll (ZN5Treap5splitEPNS_4nodeEi)

; 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.std::pair" = type { ptr, ptr }
%"struct.Treap::node" = type <{ i32, i32, i32, [4 x i8], ptr, ptr, i32, [4 x i8] }>

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN5Treap7getSizeEPNS_4nodeE(ptr noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5Treap7updSizeEPNS_4nodeE(ptr noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5Treap9propagateEPNS_4nodeE(ptr noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local { ptr, ptr } @_ZN5Treap5splitEPNS_4nodeEi(ptr noundef %0, i32 noundef %1) #1 {
  %3 = alloca %"struct.std::pair", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"struct.std::pair", align 8
  %10 = alloca %"struct.std::pair", align 8
  %11 = alloca %"struct.std::pair", align 8
  %12 = alloca %"struct.std::pair", align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = icmp ne ptr %13, null
  br i1 %14, label %16, label %15

15:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store ptr null, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  store ptr null, ptr %7, align 8, !tbaa !5
  call void @_ZNSt4pairIPN5Treap4nodeES2_EC2IS2_S2_TnNSt9enable_ifIXaaclsr5_PCCPE18_ConstructiblePairIT_T0_EEclsr5_PCCPE26_ImplicitlyConvertiblePairIS6_S7_EEEbE4typeELb1EEERKS2_SB_(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7)
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  br label %72

16:                                               ; preds = %2
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZN5Treap9propagateEPNS_4nodeE(ptr noundef %17)
  call void @_ZNSt4pairIPN5Treap4nodeES2_EC2IS2_S2_TnNSt9enable_ifIXsr6__and_ISt37__is_implicitly_default_constructibleIT_ES6_IT0_EEE5valueEbE4typeELb1EEEv(ptr noundef nonnull align 8 dereferenceable(16) %3)
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = getelementptr inbounds %"struct.Treap::node", ptr %18, i32 0, i32 4
  %20 = load ptr, ptr %19, align 8, !tbaa !11
  %21 = call noundef i32 @_ZN5Treap7getSizeEPNS_4nodeE(ptr noundef %20)
  %22 = add nsw i32 %21, 1
  store i32 %22, ptr %8, align 4, !tbaa !9
  %23 = load i32, ptr %8, align 4, !tbaa !9
  %24 = load i32, ptr %5, align 4, !tbaa !9
  %25 = icmp sle i32 %23, %24
  br i1 %25, label %26, label %49

26:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 16, ptr %9) #3
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = getelementptr inbounds %"struct.Treap::node", ptr %27, i32 0, i32 5
  %29 = load ptr, ptr %28, align 8, !tbaa !13
  %30 = load i32, ptr %5, align 4, !tbaa !9
  %31 = load i32, ptr %8, align 4, !tbaa !9
  %32 = sub nsw i32 %30, %31
  %33 = call { ptr, ptr } @_ZN5Treap5splitEPNS_4nodeEi(ptr noundef %29, i32 noundef %32)
  %34 = getelementptr inbounds { ptr, ptr }, ptr %9, i32 0, i32 0
  %35 = extractvalue { ptr, ptr } %33, 0
  store ptr %35, ptr %34, align 8
  %36 = getelementptr inbounds { ptr, ptr }, ptr %9, i32 0, i32 1
  %37 = extractvalue { ptr, ptr } %33, 1
  store ptr %37, ptr %36, align 8
  %38 = getelementptr inbounds %"struct.std::pair", ptr %9, i32 0, i32 0
  %39 = load ptr, ptr %38, align 8, !tbaa !14
  %40 = load ptr, ptr %4, align 8, !tbaa !5
  %41 = getelementptr inbounds %"struct.Treap::node", ptr %40, i32 0, i32 5
  store ptr %39, ptr %41, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 16, ptr %10) #3
  %42 = getelementptr inbounds %"struct.std::pair", ptr %9, i32 0, i32 1
  %43 = call { ptr, ptr } @_ZSt9make_pairIRPN5Treap4nodeES3_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS5_INS6_IT0_E4typeEE6__typeEEOS7_OSC_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %42)
  %44 = getelementptr inbounds { ptr, ptr }, ptr %10, i32 0, i32 0
  %45 = extractvalue { ptr, ptr } %43, 0
  store ptr %45, ptr %44, align 8
  %46 = getelementptr inbounds { ptr, ptr }, ptr %10, i32 0, i32 1
  %47 = extractvalue { ptr, ptr } %43, 1
  store ptr %47, ptr %46, align 8
  %48 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIPN5Treap4nodeES2_EaSEOS3_(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 8 dereferenceable(16) %10) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #3
  br label %70

49:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 16, ptr %11) #3
  %50 = load ptr, ptr %4, align 8, !tbaa !5
  %51 = getelementptr inbounds %"struct.Treap::node", ptr %50, i32 0, i32 4
  %52 = load ptr, ptr %51, align 8, !tbaa !11
  %53 = load i32, ptr %5, align 4, !tbaa !9
  %54 = call { ptr, ptr } @_ZN5Treap5splitEPNS_4nodeEi(ptr noundef %52, i32 noundef %53)
  %55 = getelementptr inbounds { ptr, ptr }, ptr %11, i32 0, i32 0
  %56 = extractvalue { ptr, ptr } %54, 0
  store ptr %56, ptr %55, align 8
  %57 = getelementptr inbounds { ptr, ptr }, ptr %11, i32 0, i32 1
  %58 = extractvalue { ptr, ptr } %54, 1
  store ptr %58, ptr %57, align 8
  %59 = getelementptr inbounds %"struct.std::pair", ptr %11, i32 0, i32 1
  %60 = load ptr, ptr %59, align 8, !tbaa !16
  %61 = load ptr, ptr %4, align 8, !tbaa !5
  %62 = getelementptr inbounds %"struct.Treap::node", ptr %61, i32 0, i32 4
  store ptr %60, ptr %62, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 16, ptr %12) #3
  %63 = getelementptr inbounds %"struct.std::pair", ptr %11, i32 0, i32 0
  %64 = call { ptr, ptr } @_ZSt9make_pairIRPN5Treap4nodeES3_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS5_INS6_IT0_E4typeEE6__typeEEOS7_OSC_(ptr noundef nonnull align 8 dereferenceable(8) %63, ptr noundef nonnull align 8 dereferenceable(8) %4)
  %65 = getelementptr inbounds { ptr, ptr }, ptr %12, i32 0, i32 0
  %66 = extractvalue { ptr, ptr } %64, 0
  store ptr %66, ptr %65, align 8
  %67 = getelementptr inbounds { ptr, ptr }, ptr %12, i32 0, i32 1
  %68 = extractvalue { ptr, ptr } %64, 1
  store ptr %68, ptr %67, align 8
  %69 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIPN5Treap4nodeES2_EaSEOS3_(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 8 dereferenceable(16) %12) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #3
  br label %70

70:                                               ; preds = %49, %26
  %71 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZN5Treap7updSizeEPNS_4nodeE(ptr noundef %71)
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  br label %72

72:                                               ; preds = %70, %15
  %73 = load { ptr, ptr }, ptr %3, align 8
  ret { ptr, ptr } %73
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIPN5Treap4nodeES2_EC2IS2_S2_TnNSt9enable_ifIXaaclsr5_PCCPE18_ConstructiblePairIT_T0_EEclsr5_PCCPE26_ImplicitlyConvertiblePairIS6_S7_EEEbE4typeELb1EEERKS2_SB_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIPN5Treap4nodeES2_EC2IS2_S2_TnNSt9enable_ifIXsr6__and_ISt37__is_implicitly_default_constructibleIT_ES6_IT0_EEE5valueEbE4typeELb1EEEv(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, ptr } @_ZSt9make_pairIRPN5Treap4nodeES3_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS5_INS6_IT0_E4typeEE6__typeEEOS7_OSC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIPN5Treap4nodeES2_EaSEOS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

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 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !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 = !{!12, !6, i64 16}
!12 = !{!"_ZTSN5Treap4nodeE", !10, i64 0, !10, i64 4, !10, i64 8, !6, i64 16, !6, i64 24, !10, i64 32}
!13 = !{!12, !6, i64 24}
!14 = !{!15, !6, i64 0}
!15 = !{!"_ZTSSt4pairIPN5Treap4nodeES2_E", !6, i64 0, !6, i64 8}
!16 = !{!15, !6, i64 8}


; 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.std::pair" = type { ptr, ptr }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN5Treap7getSizeEPNS_4nodeE(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5Treap7updSizeEPNS_4nodeE(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5Treap9propagateEPNS_4nodeE(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local { ptr, ptr } @_ZN5Treap5splitEPNS_4nodeEi(ptr noundef %0, i32 noundef %1) local_unnamed_addr #1 {
  %3 = alloca %"struct.std::pair", align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"struct.std::pair", align 8
  %8 = alloca %"struct.std::pair", align 8
  %9 = alloca %"struct.std::pair", align 8
  %10 = alloca %"struct.std::pair", align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %11, label %12

11:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #3
  store ptr null, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #3
  store ptr null, ptr %6, align 8, !tbaa !5
  call void @_ZNSt4pairIPN5Treap4nodeES2_EC2IS2_S2_TnNSt9enable_ifIXaaclsr5_PCCPE18_ConstructiblePairIT_T0_EEclsr5_PCCPE26_ImplicitlyConvertiblePairIS6_S7_EEEbE4typeELb1EEERKS2_SB_(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  br label %46

12:                                               ; preds = %2
  tail call void @_ZN5Treap9propagateEPNS_4nodeE(ptr noundef nonnull %0)
  call void @_ZNSt4pairIPN5Treap4nodeES2_EC2IS2_S2_TnNSt9enable_ifIXsr6__and_ISt37__is_implicitly_default_constructibleIT_ES6_IT0_EEE5valueEbE4typeELb1EEEv(ptr noundef nonnull align 8 dereferenceable(16) %3)
  %13 = getelementptr inbounds i8, ptr %0, i64 16
  %14 = load ptr, ptr %13, align 8, !tbaa !9
  %15 = call noundef i32 @_ZN5Treap7getSizeEPNS_4nodeE(ptr noundef %14)
  %.not7.not = icmp slt i32 %15, %1
  br i1 %.not7.not, label %16, label %31

16:                                               ; preds = %12
  %.neg = xor i32 %15, -1
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #3
  %17 = getelementptr inbounds i8, ptr %0, i64 24
  %18 = load ptr, ptr %17, align 8, !tbaa !12
  %19 = add i32 %.neg, %1
  %20 = call { ptr, ptr } @_ZN5Treap5splitEPNS_4nodeEi(ptr noundef %18, i32 noundef %19)
  %21 = extractvalue { ptr, ptr } %20, 0
  store ptr %21, ptr %7, align 8
  %22 = getelementptr inbounds i8, ptr %7, i64 8
  %23 = extractvalue { ptr, ptr } %20, 1
  store ptr %23, ptr %22, align 8
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = getelementptr inbounds i8, ptr %24, i64 24
  store ptr %21, ptr %25, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #3
  %26 = call { ptr, ptr } @_ZSt9make_pairIRPN5Treap4nodeES3_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS5_INS6_IT0_E4typeEE6__typeEEOS7_OSC_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %22)
  %27 = extractvalue { ptr, ptr } %26, 0
  store ptr %27, ptr %8, align 8
  %28 = getelementptr inbounds i8, ptr %8, i64 8
  %29 = extractvalue { ptr, ptr } %26, 1
  store ptr %29, ptr %28, align 8
  %30 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIPN5Treap4nodeES2_EaSEOS3_(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 8 dereferenceable(16) %8) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #3
  br label %44

31:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %9) #3
  %32 = load ptr, ptr %13, align 8, !tbaa !9
  %33 = call { ptr, ptr } @_ZN5Treap5splitEPNS_4nodeEi(ptr noundef %32, i32 noundef %1)
  %34 = extractvalue { ptr, ptr } %33, 0
  store ptr %34, ptr %9, align 8
  %35 = getelementptr inbounds i8, ptr %9, i64 8
  %36 = extractvalue { ptr, ptr } %33, 1
  store ptr %36, ptr %35, align 8
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  %38 = getelementptr inbounds i8, ptr %37, i64 16
  store ptr %36, ptr %38, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %10) #3
  %39 = call { ptr, ptr } @_ZSt9make_pairIRPN5Treap4nodeES3_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS5_INS6_IT0_E4typeEE6__typeEEOS7_OSC_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %4)
  %40 = extractvalue { ptr, ptr } %39, 0
  store ptr %40, ptr %10, align 8
  %41 = getelementptr inbounds i8, ptr %10, i64 8
  %42 = extractvalue { ptr, ptr } %39, 1
  store ptr %42, ptr %41, align 8
  %43 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIPN5Treap4nodeES2_EaSEOS3_(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 8 dereferenceable(16) %10) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %10) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #3
  br label %44

44:                                               ; preds = %31, %16
  %45 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZN5Treap7updSizeEPNS_4nodeE(ptr noundef %45)
  br label %46

46:                                               ; preds = %44, %11
  %.fca.0.load = load ptr, ptr %3, align 8
  %.fca.0.insert = insertvalue { ptr, ptr } poison, ptr %.fca.0.load, 0
  %.fca.1.gep = getelementptr inbounds i8, ptr %3, i64 8
  %.fca.1.load = load ptr, ptr %.fca.1.gep, align 8
  %.fca.1.insert = insertvalue { ptr, ptr } %.fca.0.insert, ptr %.fca.1.load, 1
  ret { ptr, ptr } %.fca.1.insert
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIPN5Treap4nodeES2_EC2IS2_S2_TnNSt9enable_ifIXaaclsr5_PCCPE18_ConstructiblePairIT_T0_EEclsr5_PCCPE26_ImplicitlyConvertiblePairIS6_S7_EEEbE4typeELb1EEERKS2_SB_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIPN5Treap4nodeES2_EC2IS2_S2_TnNSt9enable_ifIXsr6__and_ISt37__is_implicitly_default_constructibleIT_ES6_IT0_EEE5valueEbE4typeELb1EEEv(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, ptr } @_ZSt9make_pairIRPN5Treap4nodeES3_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS5_INS6_IT0_E4typeEE6__typeEEOS7_OSC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIPN5Treap4nodeES2_EaSEOS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

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 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 16}
!10 = !{!"_ZTSN5Treap4nodeE", !11, i64 0, !11, i64 4, !11, i64 8, !6, i64 16, !6, i64 24, !11, i64 32}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 24}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,TailCallElimPass