; LLVM IR from justinxu9905/bustub-2022-fall :: third_party/utf8proc/test (fuzz_main)

; 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"

@stderr = external global ptr, align 8
@.str = external hidden unnamed_addr constant [15 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [29 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [16 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @main(i32 noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  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
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  store ptr null, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %9 = load i32, ptr %4, align 4, !tbaa !5
  %10 = icmp slt i32 %9, 2
  br i1 %10, label %11, label %14

11:                                               ; preds = %2
  %12 = load ptr, ptr @stderr, align 8, !tbaa !9
  %13 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %12, ptr noundef @.str) #5
  br label %57

14:                                               ; preds = %2
  %15 = load ptr, ptr %5, align 8, !tbaa !9
  %16 = getelementptr inbounds ptr, ptr %15, i64 1
  %17 = load ptr, ptr %16, align 8, !tbaa !9
  %18 = call noalias ptr @fopen(ptr noundef %17, ptr noundef @.str.1)
  store ptr %18, ptr %6, align 8, !tbaa !9
  %19 = load ptr, ptr %6, align 8, !tbaa !9
  %20 = icmp eq ptr %19, null
  br i1 %20, label %21, label %27

21:                                               ; preds = %14
  %22 = load ptr, ptr @stderr, align 8, !tbaa !9
  %23 = load ptr, ptr %5, align 8, !tbaa !9
  %24 = getelementptr inbounds ptr, ptr %23, i64 1
  %25 = load ptr, ptr %24, align 8, !tbaa !9
  %26 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %22, ptr noundef @.str.2, ptr noundef %25) #5
  br label %57

27:                                               ; preds = %14
  %28 = load ptr, ptr %6, align 8, !tbaa !9
  %29 = call i32 @fseek(ptr noundef %28, i64 noundef 0, i32 noundef 2)
  %30 = load ptr, ptr %6, align 8, !tbaa !9
  %31 = call i64 @ftell(ptr noundef %30)
  store i64 %31, ptr %8, align 8, !tbaa !11
  %32 = load ptr, ptr %6, align 8, !tbaa !9
  call void @rewind(ptr noundef %32)
  %33 = load i64, ptr %8, align 8, !tbaa !11
  %34 = icmp slt i64 %33, 1
  br i1 %34, label %35, label %36

35:                                               ; preds = %27
  br label %57

36:                                               ; preds = %27
  %37 = load i64, ptr %8, align 8, !tbaa !11
  %38 = call noalias ptr @malloc(i64 noundef %37) #6
  store ptr %38, ptr %7, align 8, !tbaa !9
  %39 = load ptr, ptr %7, align 8, !tbaa !9
  %40 = icmp eq ptr %39, null
  br i1 %40, label %41, label %44

41:                                               ; preds = %36
  %42 = load ptr, ptr @stderr, align 8, !tbaa !9
  %43 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %42, ptr noundef @.str.3) #5
  br label %57

44:                                               ; preds = %36
  %45 = load ptr, ptr %7, align 8, !tbaa !9
  %46 = load i64, ptr %8, align 8, !tbaa !11
  %47 = load ptr, ptr %6, align 8, !tbaa !9
  %48 = call i64 @fread(ptr noundef %45, i64 noundef %46, i64 noundef 1, ptr noundef %47)
  %49 = icmp ne i64 %48, 1
  br i1 %49, label %50, label %53

50:                                               ; preds = %44
  %51 = load ptr, ptr @stderr, align 8, !tbaa !9
  %52 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %51, ptr noundef @.str.4) #5
  br label %57

53:                                               ; preds = %44
  %54 = load ptr, ptr %7, align 8, !tbaa !9
  %55 = load i64, ptr %8, align 8, !tbaa !11
  %56 = call i32 @LLVMFuzzerTestOneInput(ptr noundef %54, i64 noundef %55)
  br label %57

57:                                               ; preds = %53, %50, %41, %35, %21, %11
  %58 = load ptr, ptr %7, align 8, !tbaa !9
  call void @free(ptr noundef %58) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  ret i32 0
}

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

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #2

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

declare i32 @fseek(ptr noundef, i64 noundef, i32 noundef) #3

declare i64 @ftell(ptr noundef) #3

declare void @rewind(ptr noundef) #3

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #4

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

declare i32 @LLVMFuzzerTestOneInput(ptr noundef, i64 noundef) #3

; Function Attrs: nounwind
declare void @free(ptr noundef) #2

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

attributes #0 = { 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 "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 = { "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 allocsize(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 = { nounwind allocsize(0) }

!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"

@stderr = external local_unnamed_addr global ptr, align 8
@.str = external hidden unnamed_addr constant [15 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [29 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [16 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 {
  %3 = icmp slt i32 %0, 2
  br i1 %3, label %4, label %7

4:                                                ; preds = %2
  %5 = load ptr, ptr @stderr, align 8, !tbaa !5
  %6 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %5, ptr noundef nonnull @.str) #5
  br label %33

7:                                                ; preds = %2
  %8 = getelementptr inbounds i8, ptr %1, i64 8
  %9 = load ptr, ptr %8, align 8, !tbaa !5
  %10 = tail call noalias ptr @fopen(ptr noundef %9, ptr noundef nonnull @.str.1)
  %11 = icmp eq ptr %10, null
  br i1 %11, label %12, label %16

12:                                               ; preds = %7
  %13 = load ptr, ptr @stderr, align 8, !tbaa !5
  %14 = load ptr, ptr %8, align 8, !tbaa !5
  %15 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %13, ptr noundef nonnull @.str.2, ptr noundef %14) #5
  br label %33

16:                                               ; preds = %7
  %17 = tail call i32 @fseek(ptr noundef nonnull %10, i64 noundef 0, i32 noundef 2)
  %18 = tail call i64 @ftell(ptr noundef nonnull %10)
  tail call void @rewind(ptr noundef nonnull %10)
  %19 = icmp slt i64 %18, 1
  br i1 %19, label %33, label %20

20:                                               ; preds = %16
  %21 = tail call noalias ptr @malloc(i64 noundef %18) #6
  %22 = icmp eq ptr %21, null
  br i1 %22, label %23, label %26

23:                                               ; preds = %20
  %24 = load ptr, ptr @stderr, align 8, !tbaa !5
  %25 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %24, ptr noundef nonnull @.str.3) #5
  br label %33

26:                                               ; preds = %20
  %27 = tail call i64 @fread(ptr noundef nonnull %21, i64 noundef %18, i64 noundef 1, ptr noundef nonnull %10)
  %.not = icmp eq i64 %27, 1
  br i1 %.not, label %31, label %28

28:                                               ; preds = %26
  %29 = load ptr, ptr @stderr, align 8, !tbaa !5
  %30 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %29, ptr noundef nonnull @.str.4) #5
  br label %33

31:                                               ; preds = %26
  %32 = tail call i32 @LLVMFuzzerTestOneInput(ptr noundef nonnull %21, i64 noundef %18) #7
  br label %33

33:                                               ; preds = %16, %31, %28, %23, %12, %4
  %.0 = phi ptr [ null, %4 ], [ null, %12 ], [ null, %16 ], [ null, %23 ], [ %21, %28 ], [ %21, %31 ]
  tail call void @free(ptr noundef %.0) #7
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noalias noundef ptr @fopen(ptr nocapture noundef readonly, ptr nocapture noundef readonly) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i32 @fseek(ptr nocapture noundef, i64 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i64 @ftell(ptr nocapture noundef) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare void @rewind(ptr nocapture noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i64 @fread(ptr nocapture noundef, i64 noundef, i64 noundef, ptr nocapture noundef) local_unnamed_addr #1

declare i32 @LLVMFuzzerTestOneInput(ptr noundef, i64 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #4

attributes #0 = { 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 = { 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 #2 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { "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 willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { cold nounwind }
attributes #6 = { nounwind allocsize(0) }
attributes #7 = { 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,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass