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

; 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
@.str.3 = external hidden unnamed_addr constant [18 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 [255 x i8], align 16
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i16, align 2
  %12 = alloca i16, align 2
  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
  %13 = load i32, ptr %4, align 4, !tbaa !5
  %14 = icmp slt i32 %13, 2
  br i1 %14, label %15, label %16

15:                                               ; preds = %2
  store i32 0, ptr %3, align 4
  br label %54

16:                                               ; 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
  %17 = load ptr, ptr %5, align 8, !tbaa !9
  %18 = getelementptr inbounds ptr, ptr %17, i64 1
  %19 = load ptr, ptr %18, align 8, !tbaa !9
  %20 = call noalias ptr @fopen(ptr noundef %19, ptr noundef @.str)
  store ptr %20, ptr %6, align 8, !tbaa !9
  %21 = load ptr, ptr %6, align 8, !tbaa !9
  %22 = icmp ne ptr %21, null
  br i1 %22, label %25, label %23

23:                                               ; preds = %16
  %24 = call i32 (ptr, ...) @printf(ptr noundef @.str.1)
  store i32 0, ptr %3, align 4
  store i32 1, ptr %9, align 4
  br label %53

25:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  store i32 20, ptr %10, align 4, !tbaa !5
  %26 = getelementptr inbounds [255 x i8], ptr %7, i64 0, i64 0
  %27 = load i32, ptr %10, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = load ptr, ptr %6, align 8, !tbaa !9
  %30 = call i64 @fread(ptr noundef %26, i64 noundef 1, i64 noundef %28, ptr noundef %29)
  store i64 %30, ptr %8, align 8, !tbaa !11
  %31 = load ptr, ptr %6, align 8, !tbaa !9
  %32 = call i32 @fclose(ptr noundef %31)
  %33 = load i64, ptr %8, align 8, !tbaa !11
  %34 = load i32, ptr %10, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  %36 = icmp ult i64 %33, %35
  br i1 %36, label %37, label %39

37:                                               ; preds = %25
  %38 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  store i32 0, ptr %3, align 4
  store i32 1, ptr %9, align 4
  br label %52

39:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 2, ptr %11) #5
  store i16 0, ptr %11, align 2, !tbaa !13
  %40 = getelementptr inbounds [255 x i8], ptr %7, i64 0, i64 0
  %41 = getelementptr inbounds i8, ptr %40, i64 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 2 %11, ptr align 1 %41, i64 2, i1 false)
  call void @llvm.lifetime.start.p0(i64 2, ptr %12) #5
  %42 = load i16, ptr %11, align 2, !tbaa !13
  %43 = zext i16 %42 to i32
  %44 = mul nsw i32 %43, -3
  %45 = trunc i32 %44 to i16
  store i16 %45, ptr %12, align 2, !tbaa !13
  %46 = load i16, ptr %12, align 2, !tbaa !13
  %47 = sext i16 %46 to i32
  %48 = icmp eq i32 %47, -12
  br i1 %48, label %49, label %51

49:                                               ; preds = %39
  %50 = call i32 (ptr, ...) @printf(ptr noundef @.str.3)
  call void @abort() #6
  unreachable

51:                                               ; preds = %39
  store i32 0, ptr %3, align 4
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 2, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 2, ptr %11) #5
  br label %52

52:                                               ; preds = %51, %37
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  br label %53

53:                                               ; preds = %52, %23
  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 %54

54:                                               ; preds = %53, %15
  %55 = load i32, ptr %3, align 4
  ret i32 %55
}

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

declare noalias ptr @fopen(ptr noundef, ptr noundef) #2

declare i32 @printf(ptr noundef, ...) #2

declare i64 @fread(ptr noundef, i64 noundef, i64 noundef, ptr noundef) #2

declare i32 @fclose(ptr noundef) #2

; 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) #3

; Function Attrs: noreturn nounwind
declare void @abort() #4

; 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 = { "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 nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { noreturn 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 #5 = { nounwind }
attributes #6 = { noreturn 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}
!13 = !{!14, !14, i64 0}
!14 = !{!"short", !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
@.str.3 = external hidden unnamed_addr constant [18 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 = alloca [255 x i8], align 16
  %4 = icmp slt i32 %0, 2
  br i1 %4, label %21, 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 %.sink.split, label %9

9:                                                ; preds = %5
  %10 = call i64 @fread(ptr noundef nonnull %3, i64 noundef 1, i64 noundef 20, ptr noundef nonnull %8)
  %11 = tail call i32 @fclose(ptr noundef nonnull %8)
  %12 = icmp ult i64 %10, 20
  br i1 %12, label %.sink.split, label %13

13:                                               ; preds = %9
  %14 = getelementptr inbounds i8, ptr %3, i64 1
  %.0.copyload = load i16, ptr %14, align 1
  %15 = mul i16 %.0.copyload, -3
  %16 = icmp eq i16 %15, -12
  br i1 %16, label %17, label %20

17:                                               ; preds = %13
  %18 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3)
  tail call void @abort() #5
  unreachable

.sink.split:                                      ; preds = %9, %5
  %.str.2.sink = phi ptr [ @.str.1, %5 ], [ @.str.2, %9 ]
  %19 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) %.str.2.sink)
  br label %20

20:                                               ; preds = %.sink.split, %13
  call void @llvm.lifetime.end.p0(i64 255, ptr nonnull %3) #4
  br label %21

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

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

; Function Attrs: nofree nounwind
declare noalias noundef ptr @fopen(ptr nocapture noundef readonly, ptr nocapture noundef readonly) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) 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 #2

; Function Attrs: nofree nounwind
declare noundef i32 @fclose(ptr nocapture noundef) local_unnamed_addr #2

; Function Attrs: noreturn nounwind
declare void @abort() 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) #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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { noreturn 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 }
attributes #5 = { noreturn 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