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

; 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"

@_ZN11__sanitizerL20InternalDieCallbacksE = external hidden global [5 x ptr], align 16

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN11__sanitizer14AddDieCallbackEPFvvE(ptr noundef %0) #0 {
  %2 = alloca i1, align 1
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #2
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %6

6:                                                ; preds = %22, %1
  %7 = load i32, ptr %4, align 4, !tbaa !9
  %8 = icmp slt i32 %7, 5
  br i1 %8, label %10, label %9

9:                                                ; preds = %6
  store i32 2, ptr %5, align 4
  br label %25

10:                                               ; preds = %6
  %11 = load i32, ptr %4, align 4, !tbaa !9
  %12 = sext i32 %11 to i64
  %13 = getelementptr inbounds [5 x ptr], ptr @_ZN11__sanitizerL20InternalDieCallbacksE, i64 0, i64 %12
  %14 = load ptr, ptr %13, align 8, !tbaa !5
  %15 = icmp eq ptr %14, null
  br i1 %15, label %16, label %21

16:                                               ; preds = %10
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = load i32, ptr %4, align 4, !tbaa !9
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [5 x ptr], ptr @_ZN11__sanitizerL20InternalDieCallbacksE, i64 0, i64 %19
  store ptr %17, ptr %20, align 8, !tbaa !5
  store i1 true, ptr %2, align 1
  store i32 1, ptr %5, align 4
  br label %25

21:                                               ; preds = %10
  br label %22

22:                                               ; preds = %21
  %23 = load i32, ptr %4, align 4, !tbaa !9
  %24 = add nsw i32 %23, 1
  store i32 %24, ptr %4, align 4, !tbaa !9
  br label %6, !llvm.loop !11

25:                                               ; preds = %16, %9
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #2
  %26 = load i32, ptr %5, align 4
  switch i32 %26, label %30 [
    i32 2, label %27
    i32 1, label %28
  ]

27:                                               ; preds = %25
  store i1 false, ptr %2, align 1
  br label %28

28:                                               ; preds = %27, %25
  %29 = load i1, ptr %2, align 1
  ret i1 %29

30:                                               ; preds = %25
  unreachable
}

; 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

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; 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"

@_ZN11__sanitizerL20InternalDieCallbacksE = external hidden local_unnamed_addr global [5 x ptr], align 16

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) uwtable
define dso_local noundef zeroext i1 @_ZN11__sanitizer14AddDieCallbackEPFvvE(ptr noundef %0) local_unnamed_addr #0 {
  %2 = load ptr, ptr @_ZN11__sanitizerL20InternalDieCallbacksE, align 16, !tbaa !5
  %3 = icmp eq ptr %2, null
  br i1 %3, label %16, label %4

4:                                                ; preds = %1
  %5 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN11__sanitizerL20InternalDieCallbacksE, i64 8), align 8, !tbaa !5
  %6 = icmp eq ptr %5, null
  br i1 %6, label %16, label %7

7:                                                ; preds = %4
  %8 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN11__sanitizerL20InternalDieCallbacksE, i64 16), align 16, !tbaa !5
  %9 = icmp eq ptr %8, null
  br i1 %9, label %16, label %10

10:                                               ; preds = %7
  %11 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN11__sanitizerL20InternalDieCallbacksE, i64 24), align 8, !tbaa !5
  %12 = icmp eq ptr %11, null
  br i1 %12, label %16, label %13

13:                                               ; preds = %10
  %14 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN11__sanitizerL20InternalDieCallbacksE, i64 32), align 16, !tbaa !5
  %15 = icmp eq ptr %14, null
  br i1 %15, label %16, label %.loopexit

16:                                               ; preds = %13, %10, %7, %4, %1
  %.lcssa = phi i64 [ 0, %1 ], [ 1, %4 ], [ 2, %7 ], [ 3, %10 ], [ 4, %13 ]
  %17 = getelementptr inbounds [5 x ptr], ptr @_ZN11__sanitizerL20InternalDieCallbacksE, i64 0, i64 %.lcssa
  store ptr %0, ptr %17, align 8, !tbaa !5
  br label %.loopexit

.loopexit:                                        ; preds = %13, %16
  %18 = phi i1 [ true, %16 ], [ false, %13 ]
  ret i1 %18
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) 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" }

!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: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass