; LLVM IR from AngoraFuzzer/Angora :: tests/recursion (recursion)

; 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 [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [13 x i8], align 1

; Function Attrs: noinline nounwind uwtable
declare dso_local i32 @bar(ptr noundef, i32 noundef, i32 noundef) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @main(i32 noundef %0, ptr noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca [255 x i8], align 16
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  %12 = load i32, ptr %4, align 4, !tbaa !5
  %13 = icmp slt i32 %12, 2
  br i1 %13, label %14, label %15

14:                                               ; preds = %2
  store i32 0, ptr %3, align 4
  br label %46

15:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 255, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %16 = load ptr, ptr %5, align 8, !tbaa !9
  %17 = getelementptr inbounds ptr, ptr %16, i64 1
  %18 = load ptr, ptr %17, align 8, !tbaa !9
  %19 = call noalias ptr @fopen(ptr noundef %18, ptr noundef @.str)
  store ptr %19, ptr %6, align 8, !tbaa !9
  %20 = load ptr, ptr %6, align 8, !tbaa !9
  %21 = icmp ne ptr %20, null
  br i1 %21, label %24, label %22

22:                                               ; preds = %15
  %23 = call i32 (ptr, ...) @printf(ptr noundef @.str.1)
  store i32 0, ptr %3, align 4
  store i32 1, ptr %9, align 4
  br label %45

24:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  store i32 100, ptr %10, align 4, !tbaa !5
  %25 = getelementptr inbounds [255 x i8], ptr %7, i64 0, i64 0
  %26 = load i32, ptr %10, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = load ptr, ptr %6, align 8, !tbaa !9
  %29 = call i64 @fread(ptr noundef %25, i64 noundef 1, i64 noundef %27, ptr noundef %28)
  store i64 %29, ptr %8, align 8, !tbaa !11
  %30 = load ptr, ptr %6, align 8, !tbaa !9
  %31 = call i32 @fclose(ptr noundef %30)
  %32 = load i64, ptr %8, align 8, !tbaa !11
  %33 = load i32, ptr %10, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  %35 = icmp ult i64 %32, %34
  br i1 %35, label %36, label %38

36:                                               ; preds = %24
  %37 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  store i32 0, ptr %3, align 4
  store i32 1, ptr %9, align 4
  br label %44

38:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #5
  store i32 0, ptr %11, align 4, !tbaa !5
  %39 = getelementptr inbounds [255 x i8], ptr %7, i64 0, i64 0
  %40 = getelementptr inbounds i8, ptr %39, i64 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %11, ptr align 1 %40, i64 4, i1 false)
  %41 = getelementptr inbounds [255 x i8], ptr %7, i64 0, i64 0
  %42 = load i32, ptr %10, align 4, !tbaa !5
  %43 = call i32 @bar(ptr noundef %41, i32 noundef 0, i32 noundef %42)
  store i32 0, ptr %3, align 4
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  br label %44

44:                                               ; preds = %38, %36
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  br label %45

45:                                               ; preds = %44, %22
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 255, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %46

46:                                               ; preds = %45, %14
  %47 = load i32, ptr %3, align 4
  ret i32 %47
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare noalias ptr @fopen(ptr noundef, ptr noundef) #3

declare i32 @printf(ptr noundef, ...) #3

declare i64 @fread(ptr noundef, i64 noundef, i64 noundef, ptr noundef) #3

declare i32 @fclose(ptr noundef) #3

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

attributes #0 = { noinline 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 = { 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"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 [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [13 x i8], align 1

; Function Attrs: noinline nounwind uwtable
declare dso_local i32 @bar(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readonly %1) local_unnamed_addr #1 {
  %3 = alloca [255 x i8], align 16
  %4 = icmp slt i32 %0, 2
  br i1 %4, label %20, label %5

5:                                                ; preds = %2
  call void @llvm.lifetime.start.p0(i64 255, ptr nonnull %3) #4
  %6 = getelementptr inbounds i8, ptr %1, i64 8
  %7 = load ptr, ptr %6, align 8, !tbaa !5
  %8 = tail call noalias ptr @fopen(ptr noundef %7, ptr noundef nonnull @.str)
  %.not = icmp eq ptr %8, null
  br i1 %.not, label %9, label %11

9:                                                ; preds = %5
  %10 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1)
  br label %19

11:                                               ; preds = %5
  %12 = call i64 @fread(ptr noundef nonnull %3, i64 noundef 1, i64 noundef 100, ptr noundef nonnull %8)
  %13 = tail call i32 @fclose(ptr noundef nonnull %8)
  %14 = icmp ult i64 %12, 100
  br i1 %14, label %15, label %17

15:                                               ; preds = %11
  %16 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2)
  br label %19

17:                                               ; preds = %11
  %18 = call i32 @bar(ptr noundef nonnull %3, i32 noundef 0, i32 noundef 100)
  br label %19

19:                                               ; preds = %15, %17, %9
  call void @llvm.lifetime.end.p0(i64 255, ptr nonnull %3) #4
  br label %20

20:                                               ; preds = %2, %19
  ret i32 0
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nofree nounwind
declare noalias noundef ptr @fopen(ptr nocapture noundef readonly, ptr nocapture noundef readonly) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i64 @fread(ptr nocapture noundef, i64 noundef, i64 noundef, ptr nocapture noundef) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @fclose(ptr nocapture noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

attributes #0 = { noinline 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 = { 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #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/C++ TBAA"}


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