; LLVM IR from AngoraFuzzer/Angora :: llvm_mode/dfsan_rt/sanitizer_common (sanitizer_posix_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"

@.str = external hidden unnamed_addr constant [116 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [35 x i8], align 1

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN11__sanitizerL6setlimEim(i32 noundef, i64 noundef) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN11__sanitizer20StackSizeIsUnlimitedEv() #0

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

; 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
define dso_local void @_ZN11__sanitizer24SetStackSizeLimitInBytesEm(i64 noundef %0) #0 {
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  store i64 %0, ptr %2, align 8, !tbaa !5
  %5 = load i64, ptr %2, align 8, !tbaa !5
  call void @_ZN11__sanitizerL6setlimEim(i32 noundef 3, i64 noundef %5)
  br label %6

6:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %7 = call noundef zeroext i1 @_ZN11__sanitizer20StackSizeIsUnlimitedEv()
  %8 = xor i1 %7, true
  %9 = zext i1 %8 to i64
  store i64 %9, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  store i64 0, ptr %4, align 8, !tbaa !9
  %10 = load i64, ptr %3, align 8, !tbaa !9
  %11 = load i64, ptr %4, align 8, !tbaa !9
  %12 = icmp ne i64 %10, %11
  %13 = xor i1 %12, true
  %14 = xor i1 %13, true
  %15 = xor i1 %14, true
  %16 = zext i1 %15 to i64
  %17 = call i64 @llvm.expect.i64(i64 %16, i64 0)
  %18 = icmp ne i64 %17, 0
  br i1 %18, label %19, label %22

19:                                               ; preds = %6
  %20 = load i64, ptr %3, align 8, !tbaa !9
  %21 = load i64, ptr %4, align 8, !tbaa !9
  call void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef @.str, i32 noundef 109, ptr noundef @.str.1, i64 noundef %20, i64 noundef %21) #5
  unreachable

22:                                               ; preds = %6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  br label %23

23:                                               ; preds = %22
  ret void
}

; 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

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 = { 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 = { nounwind }
attributes #5 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"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 [116 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [35 x i8], align 1

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN11__sanitizerL6setlimEim(i32 noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN11__sanitizer20StackSizeIsUnlimitedEv() local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11__sanitizer24SetStackSizeLimitInBytesEm(i64 noundef %0) local_unnamed_addr #0 {
  tail call void @_ZN11__sanitizerL6setlimEim(i32 noundef 3, i64 noundef %0)
  %2 = tail call noundef zeroext i1 @_ZN11__sanitizer20StackSizeIsUnlimitedEv()
  br i1 %2, label %3, label %4, !prof !5

3:                                                ; preds = %1
  tail call void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef nonnull @.str, i32 noundef 109, ptr noundef nonnull @.str.1, i64 noundef 0, i64 noundef 0) #2
  unreachable

4:                                                ; preds = %1
  ret void
}

; Function Attrs: noreturn
declare void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef, i32 noundef, ptr noundef, i64 noundef, i64 noundef) local_unnamed_addr #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 = { 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 #2 = { 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 = !{!"branch_weights", !"expected", i32 1, i32 2000}


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