; LLVM IR from JoshuaSBrown/QC_Tools :: src/libcatnip/qc_functions.ll (ZN6catnip16refreshSwapOrderERSt6vectorISt4pairIiiESaIS2_EE)

; 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.__gnu_cxx::__normal_iterator.20" = type { ptr }
%"struct.std::pair.26" = type { i32, i32 }
%class.anon.31 = type { 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: 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) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6catnip16refreshSwapOrderERSt6vectorISt4pairIiiESaIS2_EE(ptr noundef nonnull align 8 dereferenceable(24) %0) #4 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator.20", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator.20", align 8
  %5 = alloca %"struct.std::pair.26", align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"class.__gnu_cxx::__normal_iterator.20", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator.20", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator.20", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator.20", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator.20", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator.20", align 8
  %14 = alloca %class.anon.31, align 4
  %15 = alloca %"class.__gnu_cxx::__normal_iterator.20", align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  %16 = load ptr, ptr %2, align 8, !tbaa !5
  %17 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %16) #6
  %18 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.20", ptr %3, i32 0, i32 0
  store ptr %17, ptr %18, align 8
  br label %19

19:                                               ; preds = %62, %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  %20 = load ptr, ptr %2, align 8, !tbaa !5
  %21 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %20) #6
  %22 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.20", ptr %4, i32 0, i32 0
  store ptr %21, ptr %22, align 8
  %23 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  br i1 %23, label %25, label %24

24:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  br label %64

25:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %26 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #6
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %5, ptr align 4 %26, i64 8, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  %27 = getelementptr inbounds %"struct.std::pair.26", ptr %5, i32 0, i32 0
  %28 = load i32, ptr %27, align 4, !tbaa !9
  store i32 %28, ptr %6, align 4, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  %29 = getelementptr inbounds %"struct.std::pair.26", ptr %5, i32 0, i32 1
  %30 = load i32, ptr %29, align 4, !tbaa !13
  store i32 %30, ptr %7, align 4, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %8, ptr align 8 %3, i64 8, i1 false), !tbaa.struct !14
  %31 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %8, i32 noundef 0) #6
  %32 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.20", ptr %9, i32 0, i32 0
  store ptr %31, ptr %32, align 8
  br label %33

33:                                               ; preds = %60, %25
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %34 = load ptr, ptr %2, align 8, !tbaa !5
  %35 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %34) #6
  %36 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.20", ptr %10, i32 0, i32 0
  store ptr %35, ptr %36, align 8
  %37 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br i1 %37, label %38, label %61

38:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %12, ptr align 8 %8, i64 8, i1 false), !tbaa.struct !14
  %39 = load ptr, ptr %2, align 8, !tbaa !5
  %40 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %39) #6
  %41 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.20", ptr %13, i32 0, i32 0
  store ptr %40, ptr %41, align 8
  %42 = getelementptr inbounds %class.anon.31, ptr %14, i32 0, i32 0
  %43 = load i32, ptr %6, align 4, !tbaa !12
  store i32 %43, ptr %42, align 4, !tbaa !15
  %44 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.20", ptr %12, i32 0, i32 0
  %45 = load ptr, ptr %44, align 8
  %46 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.20", ptr %13, i32 0, i32 0
  %47 = load ptr, ptr %46, align 8
  %48 = getelementptr inbounds %class.anon.31, ptr %14, i32 0, i32 0
  %49 = load i32, ptr %48, align 4
  %50 = call ptr @"_ZSt7find_ifIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEZN6catnip16refreshSwapOrderERS7_E3$_0ET_SC_SC_T0_"(ptr %45, ptr %47, i32 %49)
  %51 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.20", ptr %11, i32 0, i32 0
  store ptr %50, ptr %51, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %8, ptr align 8 %11, i64 8, i1 false), !tbaa.struct !14
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #6
  %52 = load ptr, ptr %2, align 8, !tbaa !5
  %53 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %52) #6
  %54 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.20", ptr %15, i32 0, i32 0
  store ptr %53, ptr %54, align 8
  %55 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %15) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  br i1 %55, label %56, label %60

56:                                               ; preds = %38
  %57 = load i32, ptr %7, align 4, !tbaa !12
  %58 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #6
  %59 = getelementptr inbounds %"struct.std::pair.26", ptr %58, i32 0, i32 1
  store i32 %57, ptr %59, align 4, !tbaa !13
  br label %60

60:                                               ; preds = %56, %38
  br label %33, !llvm.loop !17

61:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  br label %62

62:                                               ; preds = %61
  %63 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #6
  br label %19, !llvm.loop !19

64:                                               ; preds = %24
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare hidden ptr @"_ZSt7find_ifIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEZN6catnip16refreshSwapOrderERS7_E3$_0ET_SC_SC_T0_"(ptr, ptr, i32) #5

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #5 = { 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 #6 = { 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, !11, i64 0}
!10 = !{!"_ZTSSt4pairIiiE", !11, i64 0, !11, i64 4}
!11 = !{!"int", !7, i64 0}
!12 = !{!11, !11, i64 0}
!13 = !{!10, !11, i64 4}
!14 = !{i64 0, i64 8, !5}
!15 = !{!16, !11, i64 0}
!16 = !{!"_ZTSZN6catnip16refreshSwapOrderERSt6vectorISt4pairIiiESaIS2_EEE3$_0", !11, i64 0}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}
!19 = distinct !{!19, !18}


; 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.__gnu_cxx::__normal_iterator.20" = type { ptr }

; 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 nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6catnip16refreshSwapOrderERSt6vectorISt4pairIiiESaIS2_EE(ptr noundef nonnull align 8 dereferenceable(24) %0) local_unnamed_addr #3 {
  %2 = alloca %"class.__gnu_cxx::__normal_iterator.20", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator.20", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator.20", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator.20", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator.20", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %7 = tail call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  store ptr %7, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %8 = tail call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  store ptr %8, ptr %3, align 8
  %9 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  br i1 %9, label %.lr.ph12, label %._crit_edge13

._crit_edge13:                                    ; preds = %._crit_edge, %1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  ret void

.lr.ph12:                                         ; preds = %1, %._crit_edge
  %10 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #5
  %.sroa.06.0.copyload = load i32, ptr %10, align 4
  %.sroa.4.0..sroa_idx = getelementptr inbounds i8, ptr %10, i64 4
  %.sroa.4.0.copyload = load i32, ptr %.sroa.4.0..sroa_idx, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %11 = load i64, ptr %2, align 8, !tbaa !5
  store i64 %11, ptr %4, align 8, !tbaa !5
  %12 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %4, i32 noundef 0) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %13 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  store ptr %13, ptr %5, align 8
  %14 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  br i1 %14, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %.lr.ph12, %22
  %.sroa.02.0.copyload = load ptr, ptr %4, align 8, !tbaa !5
  %15 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  %16 = call ptr @"_ZSt7find_ifIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEZN6catnip16refreshSwapOrderERS7_E3$_0ET_SC_SC_T0_"(ptr %.sroa.02.0.copyload, ptr %15, i32 %.sroa.06.0.copyload)
  store ptr %16, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  %17 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  store ptr %17, ptr %6, align 8
  %18 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  br i1 %18, label %19, label %22

19:                                               ; preds = %.lr.ph
  %20 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %21 = getelementptr inbounds i8, ptr %20, i64 4
  store i32 %.sroa.4.0.copyload, ptr %21, align 4, !tbaa !9
  br label %22

22:                                               ; preds = %19, %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %23 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  store ptr %23, ptr %5, align 8
  %24 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  br i1 %24, label %.lr.ph, label %._crit_edge, !llvm.loop !12

._crit_edge:                                      ; preds = %22, %.lr.ph12
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  %25 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %26 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  store ptr %26, ptr %3, align 8
  %27 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  br i1 %27, label %.lr.ph12, label %._crit_edge13, !llvm.loop !14
}

; Function Attrs: inlinehint mustprogress uwtable
declare hidden ptr @"_ZSt7find_ifIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEZN6catnip16refreshSwapOrderERS7_E3$_0ET_SC_SC_T0_"(ptr, ptr, i32) local_unnamed_addr #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 = { 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 = { 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 = { 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 #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, !11, i64 4}
!10 = !{!"_ZTSSt4pairIiiE", !11, i64 0, !11, i64 4}
!11 = !{!"int", !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


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