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

; 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"

%"struct.__sanitizer::StackDepotHandle" = type { ptr }
%"struct.__sanitizer::StackDepotNode" = type { ptr, i32, %"struct.__sanitizer::atomic_uint32_t", i32, i32, [1 x i64] }
%"struct.__sanitizer::atomic_uint32_t" = type { i32 }

@.str = external hidden unnamed_addr constant [113 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [48 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11__sanitizer16StackDepotHandle20inc_use_count_unsafeEv(ptr noundef nonnull align 8 dereferenceable(8) %0) #0 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %6 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  %7 = getelementptr inbounds %"struct.__sanitizer::StackDepotHandle", ptr %6, i32 0, i32 0
  %8 = load ptr, ptr %7, align 8, !tbaa !9
  %9 = getelementptr inbounds %"struct.__sanitizer::StackDepotNode", ptr %8, i32 0, i32 2
  %10 = call noundef i32 @_ZN11__sanitizer16atomic_fetch_addINS_15atomic_uint32_tEEENT_4TypeEPVS2_S3_NS_12memory_orderE(ptr noundef %9, i32 noundef 1, i32 noundef 1)
  %11 = and i32 %10, 1048575
  store i32 %11, ptr %3, align 4, !tbaa !11
  br label %12

12:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %13 = load i32, ptr %3, align 4, !tbaa !11
  %14 = add i32 %13, 1
  %15 = zext i32 %14 to i64
  store i64 %15, ptr %4, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  store i64 1048576, ptr %5, align 8, !tbaa !13
  %16 = load i64, ptr %4, align 8, !tbaa !13
  %17 = load i64, ptr %5, align 8, !tbaa !13
  %18 = icmp ult i64 %16, %17
  %19 = xor i1 %18, true
  %20 = xor i1 %19, true
  %21 = xor i1 %20, true
  %22 = zext i1 %21 to i64
  %23 = call i64 @llvm.expect.i64(i64 %22, i64 0)
  %24 = icmp ne i64 %23, 0
  br i1 %24, label %25, label %28

25:                                               ; preds = %12
  %26 = load i64, ptr %4, align 8, !tbaa !13
  %27 = load i64, ptr %5, align 8, !tbaa !13
  call void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef @.str, i32 noundef 99, ptr noundef @.str.1, i64 noundef %26, i64 noundef %27) #6
  unreachable

28:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  br label %29

29:                                               ; preds = %28
  br label %30

30:                                               ; preds = %29
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  ret void
}

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN11__sanitizer16atomic_fetch_addINS_15atomic_uint32_tEEENT_4TypeEPVS2_S3_NS_12memory_orderE(ptr noundef, i32 noundef, i32 noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(none)
declare i64 @llvm.expect.i64(i64, i64) #3

; Function Attrs: noreturn
declare void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef, i32 noundef, ptr noundef, i64 noundef, i64 noundef) #4

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

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 = { 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 #3 = { nocallback nofree nosync nounwind willreturn memory(none) }
attributes #4 = { 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 #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, !6, i64 0}
!10 = !{!"_ZTSN11__sanitizer16StackDepotHandleE", !6, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"long long", !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"

@.str = external hidden unnamed_addr constant [113 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [48 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11__sanitizer16StackDepotHandle20inc_use_count_unsafeEv(ptr nocapture noundef nonnull readonly align 8 dereferenceable(8) %0) local_unnamed_addr #0 align 2 {
  %2 = load ptr, ptr %0, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %2, i64 12
  %4 = tail call noundef i32 @_ZN11__sanitizer16atomic_fetch_addINS_15atomic_uint32_tEEENT_4TypeEPVS2_S3_NS_12memory_orderE(ptr noundef nonnull %3, i32 noundef 1, i32 noundef 1)
  %5 = and i32 %4, 1048575
  %.not = icmp eq i32 %5, 1048575
  br i1 %.not, label %6, label %7, !prof !10

6:                                                ; preds = %1
  tail call void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef nonnull @.str, i32 noundef 99, ptr noundef nonnull @.str.1, i64 noundef 1048576, i64 noundef 1048576) #3
  unreachable

7:                                                ; preds = %1
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN11__sanitizer16atomic_fetch_addINS_15atomic_uint32_tEEENT_4TypeEPVS2_S3_NS_12memory_orderE(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: noreturn
declare void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef, i32 noundef, ptr noundef, i64 noundef, i64 noundef) local_unnamed_addr #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 = { 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 #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 = { 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, !7, i64 0}
!6 = !{!"_ZTSN11__sanitizer16StackDepotHandleE", !7, i64 0}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"branch_weights", !"expected", i32 1, i32 2000}


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