; LLVM IR from aap/pdp6 :: tools (dtdump)

; 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.21 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.22 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.23 = external hidden unnamed_addr constant [10 x i8], align 1

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

; 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

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

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

; Function Attrs: nounwind uwtable
declare dso_local void @dumpf(ptr noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local ptr @findstart(ptr noundef) #0

; 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 [988288 x i8], align 16
  %9 = alloca ptr, align 8
  %10 = 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
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store ptr @.str.21, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 988288, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %11 = load i32, ptr %4, align 4, !tbaa !5
  %12 = icmp sgt i32 %11, 1
  br i1 %12, label %13, label %17

13:                                               ; preds = %2
  %14 = load ptr, ptr %5, align 8, !tbaa !9
  %15 = getelementptr inbounds ptr, ptr %14, i64 1
  %16 = load ptr, ptr %15, align 8, !tbaa !9
  store ptr %16, ptr %6, align 8, !tbaa !9
  br label %17

17:                                               ; preds = %13, %2
  %18 = load ptr, ptr %6, align 8, !tbaa !9
  %19 = call ptr @mustopen(ptr noundef %18, ptr noundef @.str.22)
  store ptr %19, ptr %7, align 8, !tbaa !9
  %20 = getelementptr inbounds [988288 x i8], ptr %8, i64 0, i64 0
  %21 = load ptr, ptr %7, align 8, !tbaa !9
  %22 = call i64 @fread(ptr noundef %20, i64 noundef 1, i64 noundef 988288, ptr noundef %21)
  %23 = load ptr, ptr %7, align 8, !tbaa !9
  %24 = call i32 @fclose(ptr noundef %23)
  %25 = getelementptr inbounds [988288 x i8], ptr %8, i64 0, i64 0
  %26 = call ptr @findstart(ptr noundef %25)
  store ptr %26, ptr %9, align 8, !tbaa !9
  %27 = load ptr, ptr %9, align 8, !tbaa !9
  %28 = icmp eq ptr %27, null
  br i1 %28, label %29, label %31

29:                                               ; preds = %17
  %30 = call i32 (ptr, ...) @printf(ptr noundef @.str.23)
  store i32 1, ptr %3, align 4
  store i32 1, ptr %10, align 4
  br label %38

31:                                               ; preds = %17
  %32 = load ptr, ptr %9, align 8, !tbaa !9
  %33 = call i32 @validate(ptr noundef %32)
  %34 = icmp ne i32 %33, 0
  br i1 %34, label %36, label %35

35:                                               ; preds = %31
  store i32 1, ptr %3, align 4
  store i32 1, ptr %10, align 4
  br label %38

36:                                               ; preds = %31
  %37 = load ptr, ptr %9, align 8, !tbaa !9
  call void @dumpf(ptr noundef %37)
  store i32 0, ptr %3, align 4
  store i32 1, ptr %10, align 4
  br label %38

38:                                               ; preds = %36, %35, %29
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 988288, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %39 = load i32, ptr %3, align 4
  ret i32 %39
}

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

declare i32 @fclose(ptr noundef) #2

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 = { 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}


; 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.21 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.22 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.23 = external hidden unnamed_addr constant [10 x i8], align 1

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

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

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

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

; Function Attrs: nounwind uwtable
declare dso_local ptr @findstart(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 2) i32 @main(i32 noundef %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 {
  %3 = alloca [988288 x i8], align 16
  call void @llvm.lifetime.start.p0(i64 988288, ptr nonnull %3) #3
  %4 = icmp sgt i32 %0, 1
  br i1 %4, label %5, label %8

5:                                                ; preds = %2
  %6 = getelementptr inbounds i8, ptr %1, i64 8
  %7 = load ptr, ptr %6, align 8, !tbaa !5
  br label %8

8:                                                ; preds = %5, %2
  %.08 = phi ptr [ %7, %5 ], [ @.str.21, %2 ]
  %9 = tail call ptr @mustopen(ptr noundef %.08, ptr noundef nonnull @.str.22)
  %10 = call i64 @fread(ptr noundef nonnull %3, i64 noundef 1, i64 noundef 988288, ptr noundef %9)
  %11 = tail call i32 @fclose(ptr noundef %9)
  %12 = call ptr @findstart(ptr noundef nonnull %3)
  %13 = icmp eq ptr %12, null
  br i1 %13, label %14, label %16

14:                                               ; preds = %8
  %15 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.23)
  br label %19

16:                                               ; preds = %8
  %17 = call i32 @validate(ptr noundef nonnull %12)
  %.not = icmp eq i32 %17, 0
  br i1 %.not, label %19, label %18

18:                                               ; preds = %16
  call void @dumpf(ptr noundef nonnull %12)
  br label %19

19:                                               ; preds = %16, %18, %14
  %.0 = phi i32 [ 1, %14 ], [ 0, %18 ], [ 1, %16 ]
  call void @llvm.lifetime.end.p0(i64 988288, ptr nonnull %3) #3
  ret i32 %.0
}

; 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

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 = { 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