; LLVM IR from facebook/redex :: libredex (ControlFlow)

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

%"class.std::vector.223" = type { %"struct.std::_Vector_base.224" }
%"struct.std::_Vector_base.224" = type { %"struct.std::_Vector_base<cfg::Block *, std::allocator<cfg::Block *>>::_Vector_impl" }
%"struct.std::_Vector_base<cfg::Block *, std::allocator<cfg::Block *>>::_Vector_impl" = type { %"struct.std::_Vector_base<cfg::Block *, std::allocator<cfg::Block *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<cfg::Block *, std::allocator<cfg::Block *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator.688" = type { ptr }
%"class.std::vector.11" = type { %"struct.std::_Vector_base.12" }
%"struct.std::_Vector_base.12" = type { %"struct.std::_Vector_base<cfg::Edge *, std::allocator<cfg::Edge *>>::_Vector_impl" }
%"struct.std::_Vector_base<cfg::Edge *, std::allocator<cfg::Edge *>>::_Vector_impl" = type { %"struct.std::_Vector_base<cfg::Edge *, std::allocator<cfg::Edge *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<cfg::Edge *, std::allocator<cfg::Edge *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator.113" = type { ptr }
%"struct.std::pair.689" = type { ptr, ptr }

declare i32 @__gxx_personality_v0(...)

; 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
declare dso_local void @_ZNSt6vectorIPN3cfg4EdgeESaIS2_EEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN3cfg4EdgeESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNK3cfg5Block5predsEv(ptr noundef nonnull align 8 dereferenceable(104)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN3cfg4EdgeESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN3cfg4EdgeESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN3cfg5BlockESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPPN3cfg4EdgeESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN3cfg4EdgeESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3cfg16ControlFlowGraph15set_edge_targetEPNS_4EdgeEPNS_5BlockE(ptr noundef nonnull align 8 dereferenceable(160), ptr noundef, ptr noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN3cfg4EdgeESt6vectorIS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN3cfg5BlockESaIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPN3cfg5BlockESaIS2_EE9push_backERKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN3cfg16ControlFlowGraph13remove_blocksERKSt6vectorIPNS_5BlockESaIS3_EE(ptr noundef nonnull align 8 dereferenceable(160), ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN3cfg16ControlFlowGraph14replace_blocksERKSt6vectorISt4pairIPNS_5BlockES4_ESaIS5_EE(ptr noundef nonnull align 8 dereferenceable(160) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::vector.223", align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator.688", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator.688", align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca %"class.std::vector.11", align 8
  %14 = alloca ptr, align 8
  %15 = alloca i32, align 4
  %16 = alloca ptr, align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator.113", align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator.113", align 8
  %19 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %20 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #4
  call void @_ZNSt6vectorIPN3cfg5BlockESaIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %21, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %22 = load ptr, ptr %6, align 8, !tbaa !5
  %23 = call ptr @_ZNKSt6vectorISt4pairIPN3cfg5BlockES3_ESaIS4_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %22) #4
  %24 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.688", ptr %7, i32 0, i32 0
  store ptr %23, ptr %24, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %25 = load ptr, ptr %6, align 8, !tbaa !5
  %26 = call ptr @_ZNKSt6vectorISt4pairIPN3cfg5BlockES3_ESaIS4_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %25) #4
  %27 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.688", ptr %8, i32 0, i32 0
  store ptr %26, ptr %27, align 8
  br label %28

28:                                               ; preds = %70, %2
  %29 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKSt4pairIPN3cfg5BlockES4_ESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br i1 %29, label %31, label %30

30:                                               ; preds = %28
  store i32 2, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %78

31:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %32 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKSt4pairIPN3cfg5BlockES4_ESt6vectorIS5_SaIS5_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  store ptr %32, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  %33 = load ptr, ptr %10, align 8, !tbaa !5
  %34 = getelementptr inbounds %"struct.std::pair.689", ptr %33, i32 0, i32 0
  %35 = load ptr, ptr %34, align 8, !tbaa !9
  store ptr %35, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #4
  %36 = load ptr, ptr %10, align 8, !tbaa !5
  %37 = getelementptr inbounds %"struct.std::pair.689", ptr %36, i32 0, i32 1
  %38 = load ptr, ptr %37, align 8, !tbaa !11
  store ptr %38, ptr %12, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %13) #4
  %39 = load ptr, ptr %11, align 8, !tbaa !5
  %40 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNK3cfg5Block5predsEv(ptr noundef nonnull align 8 dereferenceable(104) %39)
          to label %41 unwind label %52

41:                                               ; preds = %31
  invoke void @_ZNSt6vectorIPN3cfg4EdgeESaIS2_EEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(24) %13, ptr noundef nonnull align 8 dereferenceable(24) %40)
          to label %42 unwind label %52

42:                                               ; preds = %41
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #4
  store ptr %13, ptr %16, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #4
  %43 = load ptr, ptr %16, align 8, !tbaa !5
  %44 = call ptr @_ZNSt6vectorIPN3cfg4EdgeESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %43) #4
  %45 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.113", ptr %17, i32 0, i32 0
  store ptr %44, ptr %45, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #4
  %46 = load ptr, ptr %16, align 8, !tbaa !5
  %47 = call ptr @_ZNSt6vectorIPN3cfg4EdgeESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %46) #4
  %48 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.113", ptr %18, i32 0, i32 0
  store ptr %47, ptr %48, align 8
  br label %49

49:                                               ; preds = %62, %42
  %50 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPN3cfg4EdgeESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull align 8 dereferenceable(8) %18) #4
  br i1 %50, label %56, label %51

51:                                               ; preds = %49
  store i32 4, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  br label %68

52:                                               ; preds = %41, %31
  %53 = landingpad { ptr, i32 }
          cleanup
  %54 = extractvalue { ptr, i32 } %53, 0
  store ptr %54, ptr %14, align 8
  %55 = extractvalue { ptr, i32 } %53, 1
  store i32 %55, ptr %15, align 4
  br label %77

56:                                               ; preds = %49
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #4
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN3cfg4EdgeESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %17) #4
  %58 = load ptr, ptr %57, align 8, !tbaa !5
  store ptr %58, ptr %19, align 8, !tbaa !5
  %59 = load ptr, ptr %19, align 8, !tbaa !5
  %60 = load ptr, ptr %12, align 8, !tbaa !5
  invoke void @_ZN3cfg16ControlFlowGraph15set_edge_targetEPNS_4EdgeEPNS_5BlockE(ptr noundef nonnull align 8 dereferenceable(160) %20, ptr noundef %59, ptr noundef %60)
          to label %61 unwind label %64

61:                                               ; preds = %56
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #4
  br label %62

62:                                               ; preds = %61
  %63 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN3cfg4EdgeESt6vectorIS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %17) #4
  br label %49

64:                                               ; preds = %56
  %65 = landingpad { ptr, i32 }
          cleanup
  %66 = extractvalue { ptr, i32 } %65, 0
  store ptr %66, ptr %14, align 8
  %67 = extractvalue { ptr, i32 } %65, 1
  store i32 %67, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  br label %76

68:                                               ; preds = %51
  invoke void @_ZNSt6vectorIPN3cfg5BlockESaIS2_EE9push_backERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(8) %11)
          to label %69 unwind label %72

69:                                               ; preds = %68
  call void @_ZNSt6vectorIPN3cfg4EdgeESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  br label %70

70:                                               ; preds = %69
  %71 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKSt4pairIPN3cfg5BlockES4_ESt6vectorIS5_SaIS5_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br label %28

72:                                               ; preds = %68
  %73 = landingpad { ptr, i32 }
          cleanup
  %74 = extractvalue { ptr, i32 } %73, 0
  store ptr %74, ptr %14, align 8
  %75 = extractvalue { ptr, i32 } %73, 1
  store i32 %75, ptr %15, align 4
  br label %76

76:                                               ; preds = %72, %64
  call void @_ZNSt6vectorIPN3cfg4EdgeESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #4
  br label %77

77:                                               ; preds = %76, %52
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %85

78:                                               ; preds = %30
  %79 = invoke noundef i32 @_ZN3cfg16ControlFlowGraph13remove_blocksERKSt6vectorIPNS_5BlockESaIS3_EE(ptr noundef nonnull align 8 dereferenceable(160) %20, ptr noundef nonnull align 8 dereferenceable(24) %5)
          to label %80 unwind label %81

80:                                               ; preds = %78
  store i32 1, ptr %9, align 4
  call void @_ZNSt6vectorIPN3cfg5BlockESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #4
  ret i32 %79

81:                                               ; preds = %78
  %82 = landingpad { ptr, i32 }
          cleanup
  %83 = extractvalue { ptr, i32 } %82, 0
  store ptr %83, ptr %14, align 8
  %84 = extractvalue { ptr, i32 } %82, 1
  store i32 %84, ptr %15, align 4
  br label %85

85:                                               ; preds = %81, %77
  call void @_ZNSt6vectorIPN3cfg5BlockESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #4
  br label %86

86:                                               ; preds = %85
  %87 = load ptr, ptr %14, align 8
  %88 = load i32, ptr %15, align 4
  %89 = insertvalue { ptr, i32 } poison, ptr %87, 0
  %90 = insertvalue { ptr, i32 } %89, i32 %88, 1
  resume { ptr, i32 } %90
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorISt4pairIPN3cfg5BlockES3_ESaIS4_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorISt4pairIPN3cfg5BlockES3_ESaIS4_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPKSt4pairIPN3cfg5BlockES4_ESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKSt4pairIPN3cfg5BlockES4_ESt6vectorIS5_SaIS5_EEEdeEv(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_iteratorIPKSt4pairIPN3cfg5BlockES4_ESt6vectorIS5_SaIS5_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTSSt4pairIPN3cfg5BlockES2_E", !6, i64 0, !6, i64 8}
!11 = !{!10, !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"

%"class.std::vector.223" = type { %"struct.std::_Vector_base.224" }
%"struct.std::_Vector_base.224" = type { %"struct.std::_Vector_base<cfg::Block *, std::allocator<cfg::Block *>>::_Vector_impl" }
%"struct.std::_Vector_base<cfg::Block *, std::allocator<cfg::Block *>>::_Vector_impl" = type { %"struct.std::_Vector_base<cfg::Block *, std::allocator<cfg::Block *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<cfg::Block *, std::allocator<cfg::Block *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator.688" = type { ptr }
%"class.std::vector.11" = type { %"struct.std::_Vector_base.12" }
%"struct.std::_Vector_base.12" = type { %"struct.std::_Vector_base<cfg::Edge *, std::allocator<cfg::Edge *>>::_Vector_impl" }
%"struct.std::_Vector_base<cfg::Edge *, std::allocator<cfg::Edge *>>::_Vector_impl" = type { %"struct.std::_Vector_base<cfg::Edge *, std::allocator<cfg::Edge *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<cfg::Edge *, std::allocator<cfg::Edge *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator.113" = type { ptr }

declare i32 @__gxx_personality_v0(...)

; 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
declare dso_local void @_ZNSt6vectorIPN3cfg4EdgeESaIS2_EEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN3cfg4EdgeESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNK3cfg5Block5predsEv(ptr noundef nonnull align 8 dereferenceable(104)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN3cfg4EdgeESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN3cfg4EdgeESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN3cfg5BlockESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPPN3cfg4EdgeESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN3cfg4EdgeESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3cfg16ControlFlowGraph15set_edge_targetEPNS_4EdgeEPNS_5BlockE(ptr noundef nonnull align 8 dereferenceable(160), ptr noundef, ptr noundef) 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_iteratorIPPN3cfg4EdgeESt6vectorIS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN3cfg5BlockESaIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPN3cfg5BlockESaIS2_EE9push_backERKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN3cfg16ControlFlowGraph13remove_blocksERKSt6vectorIPNS_5BlockESaIS3_EE(ptr noundef nonnull align 8 dereferenceable(160), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN3cfg16ControlFlowGraph14replace_blocksERKSt6vectorISt4pairIPNS_5BlockES4_ESaIS5_EE(ptr noundef nonnull align 8 dereferenceable(160) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::vector.223", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator.688", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator.688", align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.std::vector.11", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator.113", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator.113", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #4
  call void @_ZNSt6vectorIPN3cfg5BlockESaIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %10 = call ptr @_ZNKSt6vectorISt4pairIPN3cfg5BlockES3_ESaIS4_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  store ptr %10, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %11 = call ptr @_ZNKSt6vectorISt4pairIPN3cfg5BlockES3_ESaIS4_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  store ptr %11, ptr %5, align 8
  %12 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKSt4pairIPN3cfg5BlockES4_ESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %12, label %.lr.ph18, label %._crit_edge19

._crit_edge19:                                    ; preds = %32, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  %13 = invoke noundef i32 @_ZN3cfg16ControlFlowGraph13remove_blocksERKSt6vectorIPNS_5BlockESaIS3_EE(ptr noundef nonnull align 8 dereferenceable(160) %0, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %39 unwind label %40

.lr.ph18:                                         ; preds = %2, %32
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKSt4pairIPN3cfg5BlockES4_ESt6vectorIS5_SaIS5_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %15 = load ptr, ptr %14, align 8, !tbaa !5
  store ptr %15, ptr %6, align 8, !tbaa !10
  %16 = getelementptr inbounds i8, ptr %14, i64 8
  %17 = load ptr, ptr %16, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #4
  %18 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNK3cfg5Block5predsEv(ptr noundef nonnull align 8 dereferenceable(104) %15)
  invoke void @_ZNSt6vectorIPN3cfg4EdgeESaIS2_EEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 8 dereferenceable(24) %18)
          to label %19 unwind label %23

19:                                               ; preds = %.lr.ph18
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  %20 = call ptr @_ZNSt6vectorIPN3cfg4EdgeESaIS2_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  store ptr %20, ptr %8, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #4
  %21 = call ptr @_ZNSt6vectorIPN3cfg4EdgeESaIS2_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  store ptr %21, ptr %9, align 8
  %22 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPN3cfg4EdgeESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  br i1 %22, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %27, %19
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  invoke void @_ZNSt6vectorIPN3cfg5BlockESaIS2_EE9push_backERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %32 unwind label %35

23:                                               ; preds = %.lr.ph18
  %24 = landingpad { ptr, i32 }
          cleanup
  br label %38

.lr.ph:                                           ; preds = %19, %27
  %25 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN3cfg4EdgeESt6vectorIS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  %26 = load ptr, ptr %25, align 8, !tbaa !10
  invoke void @_ZN3cfg16ControlFlowGraph15set_edge_targetEPNS_4EdgeEPNS_5BlockE(ptr noundef nonnull align 8 dereferenceable(160) %0, ptr noundef %26, ptr noundef %17)
          to label %27 unwind label %30

27:                                               ; preds = %.lr.ph
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN3cfg4EdgeESt6vectorIS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  %29 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPN3cfg4EdgeESt6vectorIS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  br i1 %29, label %.lr.ph, label %._crit_edge

30:                                               ; preds = %.lr.ph
  %31 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  br label %37

32:                                               ; preds = %._crit_edge
  call void @_ZNSt6vectorIPN3cfg4EdgeESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  %33 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKSt4pairIPN3cfg5BlockES4_ESt6vectorIS5_SaIS5_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  %34 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKSt4pairIPN3cfg5BlockES4_ESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %34, label %.lr.ph18, label %._crit_edge19

35:                                               ; preds = %._crit_edge
  %36 = landingpad { ptr, i32 }
          cleanup
  br label %37

37:                                               ; preds = %35, %30
  %.pn = phi { ptr, i32 } [ %31, %30 ], [ %36, %35 ]
  call void @_ZNSt6vectorIPN3cfg4EdgeESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  br label %38

38:                                               ; preds = %37, %23
  %.pn.pn = phi { ptr, i32 } [ %.pn, %37 ], [ %24, %23 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  br label %42

39:                                               ; preds = %._crit_edge19
  call void @_ZNSt6vectorIPN3cfg5BlockESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  ret i32 %13

40:                                               ; preds = %._crit_edge19
  %41 = landingpad { ptr, i32 }
          cleanup
  br label %42

42:                                               ; preds = %40, %38
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %38 ], [ %41, %40 ]
  call void @_ZNSt6vectorIPN3cfg5BlockESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  resume { ptr, i32 } %.pn.pn.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorISt4pairIPN3cfg5BlockES3_ESaIS4_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorISt4pairIPN3cfg5BlockES3_ESaIS4_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPKSt4pairIPN3cfg5BlockES4_ESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKSt4pairIPN3cfg5BlockES4_ESt6vectorIS5_SaIS5_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKSt4pairIPN3cfg5BlockES4_ESt6vectorIS5_SaIS5_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !7, i64 0}
!6 = !{!"_ZTSSt4pairIPN3cfg5BlockES2_E", !7, i64 0, !7, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!7, !7, i64 0}
!11 = !{!6, !7, i64 8}


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