; LLVM IR from turi-code/SFrame :: oss_src/fileio (fs_utils)

; 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] }

@.str.15 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.24 = external hidden unnamed_addr constant [6 x i8], align 1

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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN5boost9algorithm11starts_withINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEA8_cEEbRKT_RKT0_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 1 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN8graphlab6fileio15get_file_statusERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32)) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN5boost9algorithm11starts_withINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_EEbRKT_RKT0_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #2

declare void @_ZN8graphlab6fileio16get_cache_prefixB5cxx11Ev(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8) #4

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN5boost9algorithm11starts_withINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEA6_cEEbRKT_RKT0_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 1 dereferenceable(6)) #2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN8graphlab6fileio16change_file_modeENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEs(ptr noundef %0, i16 noundef signext %1) #3 personality ptr @__gxx_personality_v0 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca i16, align 2
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i16 %1, ptr %5, align 2, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  %11 = call noundef i32 @_ZN8graphlab6fileio15get_file_statusERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %0)
  store i32 %11, ptr %6, align 4, !tbaa !11
  %12 = load i32, ptr %6, align 4, !tbaa !11
  %13 = icmp eq i32 %12, 0
  br i1 %13, label %14, label %15

14:                                               ; preds = %2
  store i1 false, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %30

15:                                               ; preds = %2
  %16 = call noundef zeroext i1 @_ZN5boost9algorithm11starts_withINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEA8_cEEbRKT_RKT0_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 1 dereferenceable(8) @.str.15)
  br i1 %16, label %17, label %18

17:                                               ; preds = %15
  store i1 false, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %30

18:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #5
  call void @_ZN8graphlab6fileio16get_cache_prefixB5cxx11Ev(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %8)
  %19 = invoke noundef zeroext i1 @_ZN5boost9algorithm11starts_withINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_EEbRKT_RKT0_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %20 unwind label %22

20:                                               ; preds = %18
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #5
  br i1 %19, label %21, label %26

21:                                               ; preds = %20
  store i1 true, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %30

22:                                               ; preds = %18
  %23 = landingpad { ptr, i32 }
          cleanup
  %24 = extractvalue { ptr, i32 } %23, 0
  store ptr %24, ptr %9, align 8
  %25 = extractvalue { ptr, i32 } %23, 1
  store i32 %25, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  br label %32

26:                                               ; preds = %20
  %27 = call noundef zeroext i1 @_ZN5boost9algorithm11starts_withINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEA6_cEEbRKT_RKT0_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 1 dereferenceable(6) @.str.24)
  br i1 %27, label %28, label %29

28:                                               ; preds = %26
  store i1 true, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %30

29:                                               ; preds = %26
  store i1 false, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %30

30:                                               ; preds = %29, %28, %21, %17, %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  %31 = load i1, ptr %3, align 1
  ret i1 %31

32:                                               ; preds = %22
  %33 = load ptr, ptr %9, align 8
  %34 = load i32, ptr %10, align 4
  %35 = insertvalue { ptr, i32 } poison, ptr %33, 0
  %36 = insertvalue { ptr, i32 } %35, i32 %34, 1
  resume { ptr, i32 } %36
}

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 = { 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 #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 = { "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 = !{!"short", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"_ZTSN8graphlab6fileio11file_statusE", !7, i64 0}


; 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] }

@.str.15 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.24 = external hidden unnamed_addr constant [6 x i8], align 1

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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN5boost9algorithm11starts_withINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEA8_cEEbRKT_RKT0_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 1 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN8graphlab6fileio15get_file_statusERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN5boost9algorithm11starts_withINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_EEbRKT_RKT0_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

declare void @_ZN8graphlab6fileio16get_cache_prefixB5cxx11Ev(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN5boost9algorithm11starts_withINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEA6_cEEbRKT_RKT0_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 1 dereferenceable(6)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN8graphlab6fileio16change_file_modeENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEs(ptr noundef nonnull %0, i16 noundef signext %1) local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = tail call noundef i32 @_ZN8graphlab6fileio15get_file_statusERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %0)
  %5 = icmp eq i32 %4, 0
  br i1 %5, label %15, label %6

6:                                                ; preds = %2
  %7 = tail call noundef zeroext i1 @_ZN5boost9algorithm11starts_withINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEA8_cEEbRKT_RKT0_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 1 dereferenceable(8) @.str.15)
  br i1 %7, label %15, label %8

8:                                                ; preds = %6
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  call void @_ZN8graphlab6fileio16get_cache_prefixB5cxx11Ev(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3)
  %9 = invoke noundef zeroext i1 @_ZN5boost9algorithm11starts_withINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES7_EEbRKT_RKT0_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %10 unwind label %11

10:                                               ; preds = %8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  br i1 %9, label %15, label %13

11:                                               ; preds = %8
  %12 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  resume { ptr, i32 } %12

13:                                               ; preds = %10
  %14 = call noundef zeroext i1 @_ZN5boost9algorithm11starts_withINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEA6_cEEbRKT_RKT0_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 1 dereferenceable(6) @.str.24)
  br label %15

15:                                               ; preds = %13, %10, %6, %2
  %.0 = phi i1 [ false, %2 ], [ false, %6 ], [ true, %10 ], [ %14, %13 ]
  ret i1 %.0
}

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


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