; LLVM IR from ERGO-Code/HiGHS :: src/presolve/HPresolve.ll (ZN8presolve9HPresolve5toCSRERSt6vectorIdSaIdEERS1_IiSaIiEES7_)

; 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.presolve::HPresolve" = type { ptr, ptr, ptr, ptr, double, %"class.std::vector.20", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.20", %"class.std::vector.20", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.20", %"class.std::vector.20", %"class.std::vector.20", %"class.std::vector.20", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.25", %"class.std::vector.25", %class.HighsLinearSumBounds, %class.HighsLinearSumBounds, %"class.std::vector.5", %"class.std::vector.10", %"class.std::vector.5", %"class.std::vector.10", %"class.std::vector.35", %"class.std::unordered_map", %"class.std::set", %"class.std::vector.48", i8, i64, %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.10", %"class.std::vector.10", %"class.std::vector.53", i64, i32, i32, i32, i32, i32, i32, i8, i32, %class.HPresolveAnalysis }
%"class.std::vector.20" = type { %"struct.std::_Vector_base.21" }
%"struct.std::_Vector_base.21" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.25" = type { %"struct.std::_Vector_base.26" }
%"struct.std::_Vector_base.26" = type { %"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.HighsLinearSumBounds = type { %"class.std::vector.30", %"class.std::vector.30", %"class.std::vector.5", %"class.std::vector.5", %"class.std::vector.30", %"class.std::vector.30", %"class.std::vector.5", %"class.std::vector.5", ptr, ptr, ptr, ptr, ptr, ptr }
%"class.std::vector.30" = type { %"struct.std::_Vector_base.31" }
%"struct.std::_Vector_base.31" = type { %"struct.std::_Vector_base<HighsCDouble, std::allocator<HighsCDouble>>::_Vector_impl" }
%"struct.std::_Vector_base<HighsCDouble, std::allocator<HighsCDouble>>::_Vector_impl" = type { %"struct.std::_Vector_base<HighsCDouble, std::allocator<HighsCDouble>>::_Vector_impl_data" }
%"struct.std::_Vector_base<HighsCDouble, std::allocator<HighsCDouble>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.35" = type { %"struct.std::_Vector_base.36" }
%"struct.std::_Vector_base.36" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::vector.48" = type { %"struct.std::_Vector_base.49" }
%"struct.std::_Vector_base.49" = type { %"struct.std::_Vector_base<std::_Rb_tree_const_iterator<std::pair<int, int>>, std::allocator<std::_Rb_tree_const_iterator<std::pair<int, int>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::_Rb_tree_const_iterator<std::pair<int, int>>, std::allocator<std::_Rb_tree_const_iterator<std::pair<int, int>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::_Rb_tree_const_iterator<std::pair<int, int>>, std::allocator<std::_Rb_tree_const_iterator<std::pair<int, int>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::_Rb_tree_const_iterator<std::pair<int, int>>, std::allocator<std::_Rb_tree_const_iterator<std::pair<int, int>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.10" = type { %"struct.std::_Vector_base.11" }
%"struct.std::_Vector_base.11" = type { %"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned char, std::allocator<unsigned char>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.53" = type { %"struct.std::_Vector_base.54" }
%"struct.std::_Vector_base.54" = type { %"struct.std::_Vector_base<unsigned short, std::allocator<unsigned short>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned short, std::allocator<unsigned short>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned short, std::allocator<unsigned short>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned short, std::allocator<unsigned short>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.HPresolveAnalysis = type { ptr, ptr, ptr, ptr, ptr, i32, i32, %"class.std::vector.58", i8, i8, i32, i32, i32, %struct.HighsPresolveLog }
%"class.std::vector.58" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%struct.HighsPresolveLog = type { %"class.std::vector.62" }
%"class.std::vector.62" = type { %"struct.std::_Vector_base.63" }
%"struct.std::_Vector_base.63" = type { %"struct.std::_Vector_base<HighsPresolveRuleLog, std::allocator<HighsPresolveRuleLog>>::_Vector_impl" }
%"struct.std::_Vector_base<HighsPresolveRuleLog, std::allocator<HighsPresolveRuleLog>>::_Vector_impl" = type { %"struct.std::_Vector_base<HighsPresolveRuleLog, std::allocator<HighsPresolveRuleLog>>::_Vector_impl_data" }
%"struct.std::_Vector_base<HighsPresolveRuleLog, std::allocator<HighsPresolveRuleLog>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@.str.55 = external hidden unnamed_addr constant [76 x i8], align 1
@.str.100 = external hidden unnamed_addr constant [22 x i8], align 1
@__PRETTY_FUNCTION__._ZN8presolve9HPresolve5toCSRERSt6vectorIdSaIdEERS1_IiSaIiEES7_ = external hidden unnamed_addr constant [105 x i8], align 1

; 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 nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8presolve9HPresolve5toCSRERSt6vectorIdSaIdEERS1_IiSaIiEES7_(ptr noundef nonnull align 8 dereferenceable(1720) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(24) %3) #3 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  %14 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  %15 = getelementptr inbounds %"class.presolve::HPresolve", ptr %14, i32 0, i32 14
  %16 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %15) #4
  %17 = trunc i64 %16 to i32
  store i32 %17, ptr %9, align 4, !tbaa !9
  %18 = load ptr, ptr %8, align 8, !tbaa !5
  %19 = load i32, ptr %9, align 4, !tbaa !9
  %20 = add nsw i32 %19, 1
  %21 = sext i32 %20 to i64
  call void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %18, i64 noundef %21)
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  store i32 0, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  store i32 0, ptr %11, align 4, !tbaa !9
  br label %22

22:                                               ; preds = %40, %4
  %23 = load i32, ptr %11, align 4, !tbaa !9
  %24 = load i32, ptr %9, align 4, !tbaa !9
  %25 = icmp ne i32 %23, %24
  br i1 %25, label %27, label %26

26:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  br label %43

27:                                               ; preds = %22
  %28 = load i32, ptr %10, align 4, !tbaa !9
  %29 = load ptr, ptr %8, align 8, !tbaa !5
  %30 = load i32, ptr %11, align 4, !tbaa !9
  %31 = sext i32 %30 to i64
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %29, i64 noundef %31) #4
  store i32 %28, ptr %32, align 4, !tbaa !9
  %33 = getelementptr inbounds %"class.presolve::HPresolve", ptr %14, i32 0, i32 14
  %34 = load i32, ptr %11, align 4, !tbaa !9
  %35 = sext i32 %34 to i64
  %36 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %33, i64 noundef %35) #4
  %37 = load i32, ptr %36, align 4, !tbaa !9
  %38 = load i32, ptr %10, align 4, !tbaa !9
  %39 = add nsw i32 %38, %37
  store i32 %39, ptr %10, align 4, !tbaa !9
  br label %40

40:                                               ; preds = %27
  %41 = load i32, ptr %11, align 4, !tbaa !9
  %42 = add nsw i32 %41, 1
  store i32 %42, ptr %11, align 4, !tbaa !9
  br label %22, !llvm.loop !11

43:                                               ; preds = %26
  %44 = load i32, ptr %10, align 4, !tbaa !9
  %45 = load ptr, ptr %8, align 8, !tbaa !5
  %46 = load i32, ptr %9, align 4, !tbaa !9
  %47 = sext i32 %46 to i64
  %48 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %45, i64 noundef %47) #4
  store i32 %44, ptr %48, align 4, !tbaa !9
  %49 = load ptr, ptr %6, align 8, !tbaa !5
  %50 = load i32, ptr %10, align 4, !tbaa !9
  %51 = sext i32 %50 to i64
  call void @_ZNSt6vectorIdSaIdEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %49, i64 noundef %51)
  %52 = load ptr, ptr %7, align 8, !tbaa !5
  %53 = load i32, ptr %10, align 4, !tbaa !9
  %54 = sext i32 %53 to i64
  call void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %52, i64 noundef %54)
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  store i32 0, ptr %12, align 4, !tbaa !9
  br label %55

55:                                               ; preds = %131, %43
  %56 = load i32, ptr %12, align 4, !tbaa !9
  %57 = load i32, ptr %10, align 4, !tbaa !9
  %58 = icmp ne i32 %56, %57
  br i1 %58, label %60, label %59

59:                                               ; preds = %55
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  br label %134

60:                                               ; preds = %55
  %61 = getelementptr inbounds %"class.presolve::HPresolve", ptr %14, i32 0, i32 5
  %62 = load i32, ptr %12, align 4, !tbaa !9
  %63 = sext i32 %62 to i64
  %64 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %61, i64 noundef %63) #4
  %65 = load double, ptr %64, align 8, !tbaa !13
  %66 = fcmp oeq double %65, 0.000000e+00
  br i1 %66, label %67, label %68

67:                                               ; preds = %60
  br label %131

68:                                               ; preds = %60
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #4
  %69 = load ptr, ptr %8, align 8, !tbaa !5
  %70 = getelementptr inbounds %"class.presolve::HPresolve", ptr %14, i32 0, i32 6
  %71 = load i32, ptr %12, align 4, !tbaa !9
  %72 = sext i32 %71 to i64
  %73 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %70, i64 noundef %72) #4
  %74 = load i32, ptr %73, align 4, !tbaa !9
  %75 = add nsw i32 %74, 1
  %76 = sext i32 %75 to i64
  %77 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %69, i64 noundef %76) #4
  %78 = load i32, ptr %77, align 4, !tbaa !9
  %79 = getelementptr inbounds %"class.presolve::HPresolve", ptr %14, i32 0, i32 14
  %80 = getelementptr inbounds %"class.presolve::HPresolve", ptr %14, i32 0, i32 6
  %81 = load i32, ptr %12, align 4, !tbaa !9
  %82 = sext i32 %81 to i64
  %83 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %80, i64 noundef %82) #4
  %84 = load i32, ptr %83, align 4, !tbaa !9
  %85 = sext i32 %84 to i64
  %86 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %79, i64 noundef %85) #4
  %87 = load i32, ptr %86, align 4, !tbaa !9
  %88 = sub nsw i32 %78, %87
  store i32 %88, ptr %13, align 4, !tbaa !9
  %89 = getelementptr inbounds %"class.presolve::HPresolve", ptr %14, i32 0, i32 14
  %90 = getelementptr inbounds %"class.presolve::HPresolve", ptr %14, i32 0, i32 6
  %91 = load i32, ptr %12, align 4, !tbaa !9
  %92 = sext i32 %91 to i64
  %93 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %90, i64 noundef %92) #4
  %94 = load i32, ptr %93, align 4, !tbaa !9
  %95 = sext i32 %94 to i64
  %96 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %89, i64 noundef %95) #4
  %97 = load i32, ptr %96, align 4, !tbaa !9
  %98 = add nsw i32 %97, -1
  store i32 %98, ptr %96, align 4, !tbaa !9
  %99 = getelementptr inbounds %"class.presolve::HPresolve", ptr %14, i32 0, i32 14
  %100 = getelementptr inbounds %"class.presolve::HPresolve", ptr %14, i32 0, i32 6
  %101 = load i32, ptr %12, align 4, !tbaa !9
  %102 = sext i32 %101 to i64
  %103 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %100, i64 noundef %102) #4
  %104 = load i32, ptr %103, align 4, !tbaa !9
  %105 = sext i32 %104 to i64
  %106 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %99, i64 noundef %105) #4
  %107 = load i32, ptr %106, align 4, !tbaa !9
  %108 = icmp sge i32 %107, 0
  br i1 %108, label %109, label %110

109:                                              ; preds = %68
  br label %112

110:                                              ; preds = %68
  call void @__assert_fail(ptr noundef @.str.100, ptr noundef @.str.55, i32 noundef 2815, ptr noundef @__PRETTY_FUNCTION__._ZN8presolve9HPresolve5toCSRERSt6vectorIdSaIdEERS1_IiSaIiEES7_) #5
  unreachable

111:                                              ; No predecessors!
  br label %112

112:                                              ; preds = %111, %109
  %113 = getelementptr inbounds %"class.presolve::HPresolve", ptr %14, i32 0, i32 5
  %114 = load i32, ptr %12, align 4, !tbaa !9
  %115 = sext i32 %114 to i64
  %116 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %113, i64 noundef %115) #4
  %117 = load double, ptr %116, align 8, !tbaa !13
  %118 = load ptr, ptr %6, align 8, !tbaa !5
  %119 = load i32, ptr %13, align 4, !tbaa !9
  %120 = sext i32 %119 to i64
  %121 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %118, i64 noundef %120) #4
  store double %117, ptr %121, align 8, !tbaa !13
  %122 = getelementptr inbounds %"class.presolve::HPresolve", ptr %14, i32 0, i32 7
  %123 = load i32, ptr %12, align 4, !tbaa !9
  %124 = sext i32 %123 to i64
  %125 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %122, i64 noundef %124) #4
  %126 = load i32, ptr %125, align 4, !tbaa !9
  %127 = load ptr, ptr %7, align 8, !tbaa !5
  %128 = load i32, ptr %13, align 4, !tbaa !9
  %129 = sext i32 %128 to i64
  %130 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %127, i64 noundef %129) #4
  store i32 %126, ptr %130, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  br label %131

131:                                              ; preds = %112, %67
  %132 = load i32, ptr %12, align 4, !tbaa !9
  %133 = add nsw i32 %132, 1
  store i32 %133, ptr %12, align 4, !tbaa !9
  br label %55, !llvm.loop !15

134:                                              ; preds = %59
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { noreturn nounwind "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 = { nounwind }
attributes #5 = { noreturn 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, !14, i64 0}
!14 = !{!"double", !7, i64 0}
!15 = distinct !{!15, !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"

@.str.55 = external hidden unnamed_addr constant [76 x i8], align 1
@.str.100 = external hidden unnamed_addr constant [22 x i8], align 1
@__PRETTY_FUNCTION__._ZN8presolve9HPresolve5toCSRERSt6vectorIdSaIdEERS1_IiSaIiEES7_ = external hidden unnamed_addr constant [105 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8presolve9HPresolve5toCSRERSt6vectorIdSaIdEERS1_IiSaIiEES7_(ptr noundef nonnull align 8 dereferenceable(1720) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(24) %3) local_unnamed_addr #2 align 2 {
  %5 = getelementptr inbounds i8, ptr %0, i64 256
  %6 = tail call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #3
  %7 = shl i64 %6, 32
  %sext = add i64 %7, 4294967296
  %8 = ashr exact i64 %sext, 32
  tail call void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %8)
  %9 = and i64 %6, 4294967295
  %.not37 = icmp eq i64 %9, 0
  br i1 %.not37, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %4
  %10 = and i64 %6, 4294967295
  br label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %4
  %.0.lcssa = phi i32 [ 0, %4 ], [ %21, %.lr.ph ]
  %11 = ashr exact i64 %7, 32
  %12 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %11) #3
  store i32 %.0.lcssa, ptr %12, align 4, !tbaa !5
  %13 = sext i32 %.0.lcssa to i64
  tail call void @_ZNSt6vectorIdSaIdEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %13)
  tail call void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %13)
  %.not3640 = icmp eq i32 %.0.lcssa, 0
  br i1 %.not3640, label %._crit_edge44, label %.lr.ph43

.lr.ph43:                                         ; preds = %._crit_edge
  %14 = getelementptr inbounds i8, ptr %0, i64 40
  %15 = getelementptr inbounds i8, ptr %0, i64 64
  %16 = getelementptr inbounds i8, ptr %0, i64 88
  %17 = zext i32 %.0.lcssa to i64
  br label %22

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %.039 = phi i32 [ 0, %.lr.ph.preheader ], [ %21, %.lr.ph ]
  %18 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #3
  store i32 %.039, ptr %18, align 4, !tbaa !5
  %19 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %indvars.iv) #3
  %20 = load i32, ptr %19, align 4, !tbaa !5
  %21 = add nsw i32 %20, %.039
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %.not = icmp eq i64 %indvars.iv.next, %10
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge44:                                    ; preds = %60, %._crit_edge
  ret void

22:                                               ; preds = %.lr.ph43, %60
  %indvars.iv46 = phi i64 [ 0, %.lr.ph43 ], [ %indvars.iv.next47, %60 ]
  %23 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %indvars.iv46) #3
  %24 = load double, ptr %23, align 8, !tbaa !11
  %25 = fcmp oeq double %24, 0.000000e+00
  br i1 %25, label %60, label %26

26:                                               ; preds = %22
  %27 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %15, i64 noundef %indvars.iv46) #3
  %28 = load i32, ptr %27, align 4, !tbaa !5
  %29 = add nsw i32 %28, 1
  %30 = sext i32 %29 to i64
  %31 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %30) #3
  %32 = load i32, ptr %31, align 4, !tbaa !5
  %33 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %15, i64 noundef %indvars.iv46) #3
  %34 = load i32, ptr %33, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  %36 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %35) #3
  %37 = load i32, ptr %36, align 4, !tbaa !5
  %38 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %15, i64 noundef %indvars.iv46) #3
  %39 = load i32, ptr %38, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %40) #3
  %42 = load i32, ptr %41, align 4, !tbaa !5
  %43 = add nsw i32 %42, -1
  store i32 %43, ptr %41, align 4, !tbaa !5
  %44 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %15, i64 noundef %indvars.iv46) #3
  %45 = load i32, ptr %44, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %46) #3
  %48 = load i32, ptr %47, align 4, !tbaa !5
  %49 = icmp sgt i32 %48, -1
  br i1 %49, label %51, label %50

50:                                               ; preds = %26
  tail call void @__assert_fail(ptr noundef nonnull @.str.100, ptr noundef nonnull @.str.55, i32 noundef 2815, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN8presolve9HPresolve5toCSRERSt6vectorIdSaIdEERS1_IiSaIiEES7_) #4
  unreachable

51:                                               ; preds = %26
  %52 = sub nsw i32 %32, %37
  %53 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %indvars.iv46) #3
  %54 = load double, ptr %53, align 8, !tbaa !11
  %55 = sext i32 %52 to i64
  %56 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %55) #3
  store double %54, ptr %56, align 8, !tbaa !11
  %57 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %16, i64 noundef %indvars.iv46) #3
  %58 = load i32, ptr %57, align 4, !tbaa !5
  %59 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %55) #3
  store i32 %58, ptr %59, align 4, !tbaa !5
  br label %60

60:                                               ; preds = %22, %51
  %indvars.iv.next47 = add nuw nsw i64 %indvars.iv46, 1
  %.not36 = icmp eq i64 %indvars.iv.next47, %17
  br i1 %.not36, label %._crit_edge44, label %22, !llvm.loop !13
}

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 = { noreturn nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nounwind }
attributes #4 = { noreturn 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"}
!11 = !{!12, !12, i64 0}
!12 = !{!"double", !7, i64 0}
!13 = distinct !{!13, !10}


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