; LLVM IR from microsoft/LightAIMD :: src (diagnostics)

; 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.11 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [37 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [39 x i8], align 1

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

declare i32 @printf(ptr noundef, ...) #1

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

declare noalias ptr @fopen(ptr noundef, ptr noundef) #1

declare i32 @fclose(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local ptr @load_f64_array(ptr noundef %0) #2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = call noalias ptr @fopen(ptr noundef %8, ptr noundef @.str.11)
  store ptr %9, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = call i64 @fread(ptr noundef %5, i64 noundef 8, i64 noundef 1, ptr noundef %10)
  %12 = icmp ne i64 %11, 1
  br i1 %12, label %13, label %18

13:                                               ; preds = %1
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = call i32 (ptr, ...) @printf(ptr noundef @.str.12, ptr noundef %14)
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = call i32 @fclose(ptr noundef %16)
  store ptr null, ptr %2, align 8
  store i32 1, ptr %6, align 4
  br label %39

18:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %19 = load i64, ptr %5, align 8, !tbaa !9
  %20 = mul i64 %19, 8
  %21 = call ptr @x_malloc(i64 noundef %20)
  store ptr %21, ptr %7, align 8, !tbaa !5
  %22 = load ptr, ptr %7, align 8, !tbaa !5
  %23 = load i64, ptr %5, align 8, !tbaa !9
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = call i64 @fread(ptr noundef %22, i64 noundef 8, i64 noundef %23, ptr noundef %24)
  %26 = load i64, ptr %5, align 8, !tbaa !9
  %27 = icmp ne i64 %25, %26
  br i1 %27, label %28, label %34

28:                                               ; preds = %18
  %29 = load i64, ptr %5, align 8, !tbaa !9
  %30 = load ptr, ptr %3, align 8, !tbaa !5
  %31 = call i32 (ptr, ...) @printf(ptr noundef @.str.13, i64 noundef %29, ptr noundef %30)
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = call i32 @fclose(ptr noundef %32)
  store ptr null, ptr %2, align 8
  store i32 1, ptr %6, align 4
  br label %38

34:                                               ; preds = %18
  %35 = load ptr, ptr %4, align 8, !tbaa !5
  %36 = call i32 @fclose(ptr noundef %35)
  %37 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %37, ptr %2, align 8
  store i32 1, ptr %6, align 4
  br label %38

38:                                               ; preds = %34, %28
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %39

39:                                               ; preds = %38, %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  %40 = load ptr, ptr %2, align 8
  ret ptr %40
}

declare i64 @fread(ptr noundef, i64 noundef, i64 noundef, ptr noundef) #1

declare ptr @x_malloc(i64 noundef) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 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 #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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"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.11 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [37 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [39 x i8], align 1

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

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

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

; 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 @fclose(ptr nocapture noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @load_f64_array(ptr noundef %0) local_unnamed_addr #2 {
  %2 = alloca i64, align 8
  %3 = tail call noalias ptr @fopen(ptr noundef %0, ptr noundef nonnull @.str.11)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %4 = call i64 @fread(ptr noundef nonnull %2, i64 noundef 8, i64 noundef 1, ptr noundef %3)
  %.not = icmp eq i64 %4, 1
  br i1 %.not, label %7, label %5

5:                                                ; preds = %1
  %6 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.12, ptr noundef %0)
  br label %14

7:                                                ; preds = %1
  %8 = load i64, ptr %2, align 8, !tbaa !5
  %9 = shl i64 %8, 3
  %10 = tail call ptr @x_malloc(i64 noundef %9) #4
  %11 = tail call i64 @fread(ptr noundef %10, i64 noundef 8, i64 noundef %8, ptr noundef %3)
  %.not12 = icmp eq i64 %11, %8
  br i1 %.not12, label %14, label %12

12:                                               ; preds = %7
  %13 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.13, i64 noundef %8, ptr noundef %0)
  br label %14

14:                                               ; preds = %7, %12, %5
  %.1 = phi ptr [ null, %5 ], [ null, %12 ], [ %10, %7 ]
  %15 = tail call i32 @fclose(ptr noundef %3)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  ret ptr %.1
}

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

declare ptr @x_malloc(i64 noundef) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #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 }

!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 = !{!"long", !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