; LLVM IR from wichue/nethello :: src/base/File.ll (ZN3chw8fileSizeEPKc)

; 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::unique_ptr" = type { %"struct.std::__uniq_ptr_data" }
%"struct.std::__uniq_ptr_data" = type { %"class.std::__uniq_ptr_impl" }
%"class.std::__uniq_ptr_impl" = type { %"class.std::tuple" }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.12", %"struct.std::_Head_base.13" }
%"struct.std::_Tuple_impl.12" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { ptr }
%"struct.std::_Head_base.13" = type { ptr }

@.str.3 = external hidden unnamed_addr constant [3 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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare noalias ptr @fopen(ptr noundef, ptr noundef) #1

declare i32 @fclose(ptr noundef) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZN3chw8fileSizeEP8_IO_FILEb(ptr noundef, i1 noundef zeroext) #2

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_ZN3chw8fileSizeEPKc(ptr noundef %0) #2 personality ptr @__gxx_personality_v0 {
  %2 = alloca i64, align 8
  %3 = alloca ptr, align 8
  %4 = alloca %"class.std::unique_ptr", align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = icmp ne ptr %8, null
  br i1 %9, label %11, label %10

10:                                               ; preds = %1
  store i64 0, ptr %2, align 8
  br label %21

11:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 16, ptr %4) #4
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = call noalias ptr @fopen(ptr noundef %12, ptr noundef @.str.3)
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  store ptr @fclose, ptr %5, align 8, !tbaa !5
  call void @_ZNSt10unique_ptrI8_IO_FILEPFiPS0_EEC2IS3_vEES1_NSt9enable_ifIXntsr19is_lvalue_referenceIT_EE5valueEOS7_E4typeE(ptr noundef nonnull align 8 dereferenceable(16) %4, ptr noundef %13, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  %14 = call noundef ptr @_ZNKSt10unique_ptrI8_IO_FILEPFiPS0_EE3getEv(ptr noundef nonnull align 8 dereferenceable(16) %4) #4
  %15 = invoke noundef i64 @_ZN3chw8fileSizeEP8_IO_FILEb(ptr noundef %14, i1 noundef zeroext false)
          to label %16 unwind label %17

16:                                               ; preds = %11
  store i64 %15, ptr %2, align 8
  call void @_ZNSt10unique_ptrI8_IO_FILEPFiPS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %4) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr %4) #4
  br label %21

17:                                               ; preds = %11
  %18 = landingpad { ptr, i32 }
          cleanup
  %19 = extractvalue { ptr, i32 } %18, 0
  store ptr %19, ptr %6, align 8
  %20 = extractvalue { ptr, i32 } %18, 1
  store i32 %20, ptr %7, align 4
  call void @_ZNSt10unique_ptrI8_IO_FILEPFiPS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %4) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr %4) #4
  br label %23

21:                                               ; preds = %16, %10
  %22 = load i64, ptr %2, align 8
  ret i64 %22

23:                                               ; preds = %17
  %24 = load ptr, ptr %6, align 8
  %25 = load i32, ptr %7, align 4
  %26 = insertvalue { ptr, i32 } poison, ptr %24, 0
  %27 = insertvalue { ptr, i32 } %26, i32 %25, 1
  resume { ptr, i32 } %27
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt10unique_ptrI8_IO_FILEPFiPS0_EEC2IS3_vEES1_NSt9enable_ifIXntsr19is_lvalue_referenceIT_EE5valueEOS7_E4typeE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef, ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrI8_IO_FILEPFiPS0_EE3getEv(ptr noundef nonnull align 8 dereferenceable(16)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt10unique_ptrI8_IO_FILEPFiPS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #3 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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"}


; 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::unique_ptr" = type { %"struct.std::__uniq_ptr_data" }
%"struct.std::__uniq_ptr_data" = type { %"class.std::__uniq_ptr_impl" }
%"class.std::__uniq_ptr_impl" = type { %"class.std::tuple" }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.12", %"struct.std::_Head_base.13" }
%"struct.std::_Tuple_impl.12" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { ptr }
%"struct.std::_Head_base.13" = type { ptr }

@.str.3 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nofree nounwind
declare noalias noundef ptr @fopen(ptr nocapture noundef readonly, ptr nocapture noundef readonly) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i32 @fclose(ptr nocapture noundef) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZN3chw8fileSizeEP8_IO_FILEb(ptr noundef, i1 noundef zeroext) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_ZN3chw8fileSizeEPKc(ptr noundef readonly %0) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::unique_ptr", align 8
  %3 = alloca ptr, align 8
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %11, label %4

4:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %2) #4
  %5 = tail call noalias ptr @fopen(ptr noundef nonnull %0, ptr noundef nonnull @.str.3)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  store ptr @fclose, ptr %3, align 8, !tbaa !5
  call void @_ZNSt10unique_ptrI8_IO_FILEPFiPS0_EEC2IS3_vEES1_NSt9enable_ifIXntsr19is_lvalue_referenceIT_EE5valueEOS7_E4typeE(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef %5, ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  %6 = call noundef ptr @_ZNKSt10unique_ptrI8_IO_FILEPFiPS0_EE3getEv(ptr noundef nonnull align 8 dereferenceable(16) %2) #4
  %7 = invoke noundef i64 @_ZN3chw8fileSizeEP8_IO_FILEb(ptr noundef %6, i1 noundef zeroext false)
          to label %8 unwind label %9

8:                                                ; preds = %4
  call void @_ZNSt10unique_ptrI8_IO_FILEPFiPS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %2) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #4
  br label %11

9:                                                ; preds = %4
  %10 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt10unique_ptrI8_IO_FILEPFiPS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %2) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #4
  resume { ptr, i32 } %10

11:                                               ; preds = %1, %8
  %.0 = phi i64 [ %7, %8 ], [ 0, %1 ]
  ret i64 %.0
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt10unique_ptrI8_IO_FILEPFiPS0_EEC2IS3_vEES1_NSt9enable_ifIXntsr19is_lvalue_referenceIT_EE5valueEOS7_E4typeE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef, ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrI8_IO_FILEPFiPS0_EE3getEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt10unique_ptrI8_IO_FILEPFiPS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #3 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nofree 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 = { 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"}


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