; LLVM IR from turi-code/SFrame :: oss_src/process/process.ll (ZN8graphlab7process15read_from_childB5cxx11Ev)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::__cxx11::basic_stringstream" = type { %"class.std::basic_iostream.base", %"class.std::__cxx11::basic_stringbuf", %"class.std::basic_ios" }
%"class.std::basic_iostream.base" = type { %"class.std::basic_istream.base", %"class.std::basic_ostream.base" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::__cxx11::basic_stringbuf" = type { %"class.std::basic_streambuf", i32, %"class.std::__cxx11::basic_string" }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::allocator" = type { i8 }

@.str = external hidden unnamed_addr constant [78 x i8], align 1
@__func__._ZN8graphlab7process15read_from_childB5cxx11Ev = external hidden unnamed_addr constant [16 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [50 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [18 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8graphlab7process15read_from_childB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 4 dereferenceable(10) %1) #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca [4096 x i8], align 16
  %7 = alloca i64, align 8
  %8 = alloca %"class.std::__cxx11::basic_stringstream", align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  %12 = alloca %"class.std::allocator", align 1
  %13 = alloca i1, align 1
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  %14 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  store i64 4096, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4096, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 392, ptr %8) #5
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(128) %8)
  br label %15

15:                                               ; preds = %28, %2
  %16 = getelementptr inbounds [4096 x i8], ptr %6, i64 0, i64 0
  %17 = invoke noundef i64 @_ZN8graphlab7process15read_from_childEPvm(ptr noundef nonnull align 4 dereferenceable(10) %14, ptr noundef %16, i64 noundef 4096)
          to label %18 unwind label %29

18:                                               ; preds = %15
  store i64 %17, ptr %7, align 8, !tbaa !9
  %19 = icmp sgt i64 %17, 0
  br i1 %19, label %20, label %42

20:                                               ; preds = %18
  %21 = getelementptr inbounds i8, ptr %8, i64 16
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #5
  %22 = getelementptr inbounds [4096 x i8], ptr %6, i64 0, i64 0
  %23 = getelementptr inbounds [4096 x i8], ptr %6, i64 0, i64 0
  %24 = load i64, ptr %7, align 8, !tbaa !9
  %25 = getelementptr inbounds i8, ptr %23, i64 %24
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IPcvEET_S7_RKS3_(ptr noundef nonnull align 8 dereferenceable(32) %11, ptr noundef %22, ptr noundef %25, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %26 unwind label %33

26:                                               ; preds = %20
  %27 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef nonnull align 8 dereferenceable(32) %11)
          to label %28 unwind label %37

28:                                               ; preds = %26
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #5
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #5
  br label %15, !llvm.loop !11

29:                                               ; preds = %42, %15
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %9, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %10, align 4
  br label %75

33:                                               ; preds = %20
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %9, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %10, align 4
  br label %41

37:                                               ; preds = %26
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %9, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #5
  br label %41

41:                                               ; preds = %37, %33
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #5
  br label %75

42:                                               ; preds = %18
  store i1 false, ptr %13, align 1
  invoke void @_ZNKSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strEv(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(128) %8)
          to label %43 unwind label %29

43:                                               ; preds = %42
  %44 = load i64, ptr %7, align 8, !tbaa !9
  %45 = icmp eq i64 %44, -1
  br i1 %45, label %46, label %71

46:                                               ; preds = %43
  %47 = invoke noundef nonnull align 8 dereferenceable(896) ptr @_Z13global_loggerv()
          to label %48 unwind label %66

48:                                               ; preds = %46
  %49 = invoke noundef i32 @_ZN11file_logger13get_log_levelEv(ptr noundef nonnull align 8 dereferenceable(896) %47)
          to label %50 unwind label %66

50:                                               ; preds = %48
  %51 = icmp sge i32 5, %49
  br i1 %51, label %52, label %70

52:                                               ; preds = %50
  %53 = invoke noundef nonnull align 8 dereferenceable(896) ptr @_ZN19log_stream_dispatchILb1EE4execEiPKcS2_ib(i32 noundef 5, ptr noundef @.str, ptr noundef @__func__._ZN8graphlab7process15read_from_childB5cxx11Ev, i32 noundef 17, i1 noundef zeroext true)
          to label %54 unwind label %66

54:                                               ; preds = %52
  %55 = invoke noundef nonnull align 8 dereferenceable(896) ptr @_ZN11file_loggerlsEPKc(ptr noundef nonnull align 8 dereferenceable(896) %53, ptr noundef @.str.4)
          to label %56 unwind label %66

56:                                               ; preds = %54
  %57 = invoke noundef nonnull align 8 dereferenceable(896) ptr @_ZN11file_loggerlsEPKc(ptr noundef nonnull align 8 dereferenceable(896) %55, ptr noundef @.str.5)
          to label %58 unwind label %66

58:                                               ; preds = %56
  %59 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  %60 = invoke noundef nonnull align 8 dereferenceable(896) ptr @_ZN11file_loggerlsImEERS_T_(ptr noundef nonnull align 8 dereferenceable(896) %57, i64 noundef %59)
          to label %61 unwind label %66

61:                                               ; preds = %58
  %62 = invoke noundef nonnull align 8 dereferenceable(896) ptr @_ZN11file_loggerlsEPKc(ptr noundef nonnull align 8 dereferenceable(896) %60, ptr noundef @.str.6)
          to label %63 unwind label %66

63:                                               ; preds = %61
  %64 = invoke noundef nonnull align 8 dereferenceable(896) ptr @_ZN11file_loggerlsEPFRSoS0_E(ptr noundef nonnull align 8 dereferenceable(896) %62, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %65 unwind label %66

65:                                               ; preds = %63
  br label %70

66:                                               ; preds = %63, %61, %58, %56, %54, %52, %48, %46
  %67 = landingpad { ptr, i32 }
          cleanup
  %68 = extractvalue { ptr, i32 } %67, 0
  store ptr %68, ptr %9, align 8
  %69 = extractvalue { ptr, i32 } %67, 1
  store i32 %69, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  br label %75

70:                                               ; preds = %65, %50
  br label %71

71:                                               ; preds = %70, %43
  store i1 true, ptr %13, align 1
  %72 = load i1, ptr %13, align 1
  br i1 %72, label %74, label %73

73:                                               ; preds = %71
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  br label %74

74:                                               ; preds = %73, %71
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128) %8) #5
  call void @llvm.lifetime.end.p0(i64 392, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4096, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  ret void

75:                                               ; preds = %66, %41, %29
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128) %8) #5
  call void @llvm.lifetime.end.p0(i64 392, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4096, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %76

76:                                               ; preds = %75
  %77 = load ptr, ptr %9, align 8
  %78 = load i32, ptr %10, align 4
  %79 = insertvalue { ptr, i32 } poison, ptr %77, 0
  %80 = insertvalue { ptr, i32 } %79, i32 %78, 1
  resume { ptr, i32 } %80
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(128)) unnamed_addr #0 align 2

declare noundef i64 @_ZN8graphlab7process15read_from_childEPvm(ptr noundef nonnull align 4 dereferenceable(10), ptr noundef, i64 noundef) #2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IPcvEET_S7_RKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strEv(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(128)) #0 align 2

declare noundef nonnull align 8 dereferenceable(896) ptr @_Z13global_loggerv() #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN11file_logger13get_log_levelEv(ptr noundef nonnull align 8 dereferenceable(896)) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(896) ptr @_ZN19log_stream_dispatchILb1EE4execEiPKcS2_ib(i32 noundef, ptr noundef, ptr noundef, i32 noundef, i1 noundef zeroext) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(896) ptr @_ZN11file_loggerlsEPKc(ptr noundef nonnull align 8 dereferenceable(896), ptr noundef) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(896) ptr @_ZN11file_loggerlsImEERS_T_(ptr noundef nonnull align 8 dereferenceable(896), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(896) ptr @_ZN11file_loggerlsEPFRSoS0_E(ptr noundef nonnull align 8 dereferenceable(896), ptr noundef) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128)) unnamed_addr #4 align 2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 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 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 #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, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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

%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::__cxx11::basic_stringstream" = type { %"class.std::basic_iostream.base", %"class.std::__cxx11::basic_stringbuf", %"class.std::basic_ios" }
%"class.std::basic_iostream.base" = type { %"class.std::basic_istream.base", %"class.std::basic_ostream.base" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::__cxx11::basic_stringbuf" = type { %"class.std::basic_streambuf", i32, %"class.std::__cxx11::basic_string" }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::allocator" = type { i8 }

@.str = external hidden unnamed_addr constant [78 x i8], align 1
@__func__._ZN8graphlab7process15read_from_childB5cxx11Ev = external hidden unnamed_addr constant [16 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [50 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [18 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8graphlab7process15read_from_childB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 4 dereferenceable(10) %1) local_unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca [4096 x i8], align 16
  %4 = alloca %"class.std::__cxx11::basic_stringstream", align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 4096, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 392, ptr nonnull %4) #5
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(128) %4)
  %7 = getelementptr inbounds i8, ptr %4, i64 16
  br label %8

8:                                                ; preds = %16, %2
  %9 = invoke noundef i64 @_ZN8graphlab7process15read_from_childEPvm(ptr noundef nonnull align 4 dereferenceable(10) %1, ptr noundef nonnull %3, i64 noundef 4096)
          to label %10 unwind label %.loopexit

10:                                               ; preds = %8
  %11 = icmp sgt i64 %9, 0
  br i1 %11, label %12, label %22

12:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #5
  %13 = getelementptr inbounds i8, ptr %3, i64 %9
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IPcvEET_S7_RKS3_(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull %3, ptr noundef nonnull %13, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %14 unwind label %17

14:                                               ; preds = %12
  %15 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %16 unwind label %19

16:                                               ; preds = %14
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #5
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #5
  br label %8, !llvm.loop !5

.loopexit:                                        ; preds = %8
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %46

.loopexit.split-lp:                               ; preds = %22
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %46

17:                                               ; preds = %12
  %18 = landingpad { ptr, i32 }
          cleanup
  br label %21

19:                                               ; preds = %14
  %20 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #5
  br label %21

21:                                               ; preds = %19, %17
  %.pn = phi { ptr, i32 } [ %20, %19 ], [ %18, %17 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #5
  br label %46

22:                                               ; preds = %10
  invoke void @_ZNKSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strEv(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(128) %4)
          to label %23 unwind label %.loopexit.split-lp

23:                                               ; preds = %22
  %24 = icmp eq i64 %9, -1
  br i1 %24, label %25, label %45

25:                                               ; preds = %23
  %26 = invoke noundef nonnull align 8 dereferenceable(896) ptr @_Z13global_loggerv()
          to label %27 unwind label %43

27:                                               ; preds = %25
  %28 = call noundef i32 @_ZN11file_logger13get_log_levelEv(ptr noundef nonnull align 8 dereferenceable(896) %26)
  %29 = icmp slt i32 %28, 6
  br i1 %29, label %30, label %45

30:                                               ; preds = %27
  %31 = invoke noundef nonnull align 8 dereferenceable(896) ptr @_ZN19log_stream_dispatchILb1EE4execEiPKcS2_ib(i32 noundef 5, ptr noundef nonnull @.str, ptr noundef nonnull @__func__._ZN8graphlab7process15read_from_childB5cxx11Ev, i32 noundef 17, i1 noundef zeroext true)
          to label %32 unwind label %43

32:                                               ; preds = %30
  %33 = invoke noundef nonnull align 8 dereferenceable(896) ptr @_ZN11file_loggerlsEPKc(ptr noundef nonnull align 8 dereferenceable(896) %31, ptr noundef nonnull @.str.4)
          to label %34 unwind label %43

34:                                               ; preds = %32
  %35 = invoke noundef nonnull align 8 dereferenceable(896) ptr @_ZN11file_loggerlsEPKc(ptr noundef nonnull align 8 dereferenceable(896) %33, ptr noundef nonnull @.str.5)
          to label %36 unwind label %43

36:                                               ; preds = %34
  %37 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  %38 = invoke noundef nonnull align 8 dereferenceable(896) ptr @_ZN11file_loggerlsImEERS_T_(ptr noundef nonnull align 8 dereferenceable(896) %35, i64 noundef %37)
          to label %39 unwind label %43

39:                                               ; preds = %36
  %40 = invoke noundef nonnull align 8 dereferenceable(896) ptr @_ZN11file_loggerlsEPKc(ptr noundef nonnull align 8 dereferenceable(896) %38, ptr noundef nonnull @.str.6)
          to label %41 unwind label %43

41:                                               ; preds = %39
  %42 = invoke noundef nonnull align 8 dereferenceable(896) ptr @_ZN11file_loggerlsEPFRSoS0_E(ptr noundef nonnull align 8 dereferenceable(896) %40, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %45 unwind label %43

43:                                               ; preds = %41, %39, %36, %34, %32, %30, %25
  %44 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  br label %46

45:                                               ; preds = %23, %41, %27
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128) %4) #5
  call void @llvm.lifetime.end.p0(i64 392, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4096, ptr nonnull %3) #5
  ret void

46:                                               ; preds = %.loopexit, %.loopexit.split-lp, %43, %21
  %.pn.pn = phi { ptr, i32 } [ %.pn, %21 ], [ %44, %43 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128) %4) #5
  call void @llvm.lifetime.end.p0(i64 392, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4096, ptr nonnull %3) #5
  resume { ptr, i32 } %.pn.pn
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(128)) unnamed_addr #0 align 2

declare noundef i64 @_ZN8graphlab7process15read_from_childEPvm(ptr noundef nonnull align 4 dereferenceable(10), ptr noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IPcvEET_S7_RKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEE3strEv(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(128)) local_unnamed_addr #0 align 2

declare noundef nonnull align 8 dereferenceable(896) ptr @_Z13global_loggerv() local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN11file_logger13get_log_levelEv(ptr noundef nonnull align 8 dereferenceable(896)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(896) ptr @_ZN19log_stream_dispatchILb1EE4execEiPKcS2_ib(i32 noundef, ptr noundef, ptr noundef, i32 noundef, i1 noundef zeroext) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(896) ptr @_ZN11file_loggerlsEPKc(ptr noundef nonnull align 8 dereferenceable(896), ptr noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(896) ptr @_ZN11file_loggerlsImEERS_T_(ptr noundef nonnull align 8 dereferenceable(896), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(896) ptr @_ZN11file_loggerlsEPFRSoS0_E(ptr noundef nonnull align 8 dereferenceable(896), ptr noundef) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1118basic_stringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(128)) unnamed_addr #4 align 2

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 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 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 #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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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