; LLVM IR from scvalencia/MNIST_ASCII_challenge :: src (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"

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
declare dso_local void @handle_file() #1

; Function Attrs: nounwind uwtable
declare dso_local void @report_CAPTCHA(i1 noundef zeroext) #1

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @display_MNIST_captcha() #1

; Function Attrs: nounwind uwtable
declare dso_local void @handle_args(i32 noundef, ptr noundef) #1

; 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 i8, align 1
  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
  %7 = load i32, ptr %4, align 4, !tbaa !5
  %8 = load ptr, ptr %5, align 8, !tbaa !9
  call void @handle_args(i32 noundef %7, ptr noundef %8)
  call void @handle_file()
  %9 = call i64 @time(ptr noundef null) #3
  %10 = trunc i64 %9 to i32
  call void @srand(i32 noundef %10) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #3
  store i8 0, ptr %6, align 1, !tbaa !11
  br label %11

11:                                               ; preds = %15, %2
  %12 = load i8, ptr %6, align 1, !tbaa !11, !range !13, !noundef !14
  %13 = trunc i8 %12 to i1
  %14 = xor i1 %13, true
  br i1 %14, label %15, label %20

15:                                               ; preds = %11
  %16 = call zeroext i1 @display_MNIST_captcha()
  %17 = zext i1 %16 to i8
  store i8 %17, ptr %6, align 1, !tbaa !11
  %18 = load i8, ptr %6, align 1, !tbaa !11, !range !13, !noundef !14
  %19 = trunc i8 %18 to i1
  call void @report_CAPTCHA(i1 noundef zeroext %19)
  br label %11, !llvm.loop !15

20:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #3
  ret i32 0
}

; Function Attrs: nounwind
declare void @srand(i32 noundef) #2

; Function Attrs: nounwind
declare i64 @time(ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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 = !{!"_Bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = distinct !{!15, !16}
!16 = !{!"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"

; Function Attrs: nounwind uwtable
declare dso_local void @handle_file() local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @report_CAPTCHA(i1 noundef zeroext) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @display_MNIST_captcha() local_unnamed_addr #0

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

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr noundef %1) local_unnamed_addr #0 {
.critedge:
  tail call void @handle_args(i32 noundef %0, ptr noundef %1)
  tail call void @handle_file()
  %2 = tail call i64 @time(ptr noundef null) #2
  %3 = trunc i64 %2 to i32
  tail call void @srand(i32 noundef %3) #2
  br label %4

4:                                                ; preds = %.critedge, %4
  %5 = tail call zeroext i1 @display_MNIST_captcha()
  tail call void @report_CAPTCHA(i1 noundef zeroext %5)
  br i1 %5, label %6, label %4

6:                                                ; preds = %4
  ret i32 0
}

; Function Attrs: nounwind
declare void @srand(i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind
declare i64 @time(ptr noundef) local_unnamed_addr #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 = { 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 = { 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)"}


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