; LLVM IR from AngoraFuzzer/Angora :: llvm_mode/dfsan_rt/sanitizer_common (sanitizer_coverage_libcdep)

; 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.__sanitizer::InternalScopedString" = type { %"class.__sanitizer::InternalScopedBuffer", i64 }
%"class.__sanitizer::InternalScopedBuffer" = type { ptr, i64 }

@_ZL16coverage_enabled = external hidden global i8, align 1
@.str.5 = external hidden unnamed_addr constant [119 x i8], align 1
@.str.26 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.48 = external hidden unnamed_addr constant [16 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: mustprogress uwtable
declare dso_local void @_ZN11__sanitizer20InternalScopedStringC2Em(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) unnamed_addr #1 align 2

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(none)
declare i64 @llvm.expect.i64(i64, i64) #2

; Function Attrs: noreturn
declare void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef, i32 noundef, ptr noundef, i64 noundef, i64 noundef) #3

; Function Attrs: mustprogress uwtable
declare hidden noundef i32 @_ZN11__sanitizerL11CovOpenFileEPNS_20InternalScopedStringEbPKcS3_(ptr noundef, i1 noundef zeroext, ptr noundef, ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN11__sanitizer20InternalScopedBufferIcED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN11__sanitizer16MaybeOpenCovFileEPKc(ptr noundef %0) #1 personality ptr @__gxx_personality_v0 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca %"class.__sanitizer::InternalScopedString", align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  br label %9

9:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = ptrtoint ptr %10 to i64
  store i64 %11, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  store i64 0, ptr %5, align 8, !tbaa !9
  %12 = load i64, ptr %4, align 8, !tbaa !9
  %13 = load i64, ptr %5, align 8, !tbaa !9
  %14 = icmp ne i64 %12, %13
  %15 = xor i1 %14, true
  %16 = xor i1 %15, true
  %17 = xor i1 %16, true
  %18 = zext i1 %17 to i64
  %19 = call i64 @llvm.expect.i64(i64 %18, i64 0)
  %20 = icmp ne i64 %19, 0
  br i1 %20, label %21, label %24

21:                                               ; preds = %9
  %22 = load i64, ptr %4, align 8, !tbaa !9
  %23 = load i64, ptr %5, align 8, !tbaa !9
  call void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef @.str.5, i32 noundef 891, ptr noundef @.str.48, i64 noundef %22, i64 noundef %23) #6
  unreachable

24:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  br label %25

25:                                               ; preds = %24
  %26 = load i8, ptr @_ZL16coverage_enabled, align 1, !tbaa !11, !range !13, !noundef !14
  %27 = trunc i8 %26 to i1
  br i1 %27, label %29, label %28

28:                                               ; preds = %25
  store i32 -1, ptr %2, align 4
  br label %37

29:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #5
  call void @_ZN11__sanitizer20InternalScopedStringC2Em(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef 4096)
  %30 = load ptr, ptr %3, align 8, !tbaa !5
  %31 = invoke noundef i32 @_ZN11__sanitizerL11CovOpenFileEPNS_20InternalScopedStringEbPKcS3_(ptr noundef %6, i1 noundef zeroext true, ptr noundef %30, ptr noundef @.str.26)
          to label %32 unwind label %33

32:                                               ; preds = %29
  store i32 %31, ptr %2, align 4
  call void @_ZN11__sanitizer20InternalScopedBufferIcED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #5
  br label %37

33:                                               ; preds = %29
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %7, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %8, align 4
  call void @_ZN11__sanitizer20InternalScopedBufferIcED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #5
  br label %39

37:                                               ; preds = %32, %28
  %38 = load i32, ptr %2, align 4
  ret i32 %38

39:                                               ; preds = %33
  %40 = load ptr, ptr %7, align 8
  %41 = load i32, ptr %8, align 4
  %42 = insertvalue { ptr, i32 } poison, ptr %40, 0
  %43 = insertvalue { ptr, i32 } %42, i32 %41, 1
  resume { ptr, i32 } %43
}

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 = { nocallback nofree nosync nounwind willreturn memory(none) }
attributes #3 = { noreturn "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 }
attributes #6 = { noreturn }

!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 long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}


; 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.__sanitizer::InternalScopedString" = type { %"class.__sanitizer::InternalScopedBuffer", i64 }
%"class.__sanitizer::InternalScopedBuffer" = type { ptr, i64 }

@_ZL16coverage_enabled = external hidden local_unnamed_addr global i8, align 1
@.str.5 = external hidden unnamed_addr constant [119 x i8], align 1
@.str.26 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.48 = external hidden unnamed_addr constant [16 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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11__sanitizer20InternalScopedStringC2Em(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) unnamed_addr #1 align 2

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: noreturn
declare void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef, i32 noundef, ptr noundef, i64 noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare hidden noundef i32 @_ZN11__sanitizerL11CovOpenFileEPNS_20InternalScopedStringEbPKcS3_(ptr noundef, i1 noundef zeroext, ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN11__sanitizer20InternalScopedBufferIcED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN11__sanitizer16MaybeOpenCovFileEPKc(ptr noundef %0) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.__sanitizer::InternalScopedString", align 8
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %3, label %4, !prof !5

3:                                                ; preds = %1
  tail call void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef nonnull @.str.5, i32 noundef 891, ptr noundef nonnull @.str.48, i64 noundef 0, i64 noundef 0) #4
  unreachable

4:                                                ; preds = %1
  %5 = load i8, ptr @_ZL16coverage_enabled, align 1, !tbaa !6, !range !10, !noundef !11
  %6 = trunc nuw i8 %5 to i1
  br i1 %6, label %7, label %12

7:                                                ; preds = %4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #5
  call void @_ZN11__sanitizer20InternalScopedStringC2Em(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef 4096)
  %8 = invoke noundef i32 @_ZN11__sanitizerL11CovOpenFileEPNS_20InternalScopedStringEbPKcS3_(ptr noundef nonnull %2, i1 noundef zeroext true, ptr noundef nonnull %0, ptr noundef nonnull @.str.26)
          to label %9 unwind label %10

9:                                                ; preds = %7
  call void @_ZN11__sanitizer20InternalScopedBufferIcED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #5
  br label %12

10:                                               ; preds = %7
  %11 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN11__sanitizer20InternalScopedBufferIcED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #5
  resume { ptr, i32 } %11

12:                                               ; preds = %4, %9
  %.0 = phi i32 [ %8, %9 ], [ -1, %4 ]
  ret i32 %.0
}

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 = { noreturn "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 = { noreturn }
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 = !{!"branch_weights", !"expected", i32 1, i32 2000}
!6 = !{!7, !7, i64 0}
!7 = !{!"bool", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{i8 0, i8 2}
!11 = !{}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,LowerExpectIntrinsicPass,SROAPass,SimplifyCFGPass,TailCallElimPass