; LLVM IR from kala13x/libxutils :: examples (array)

; 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"

%struct.XArray_ = type { ptr, ptr, i32, ptr, i8, i8, i8, i64, i64 }
%struct.TestStruct = type { i32, ptr }

@.str.2 = external hidden unnamed_addr constant [22 x i8], align 1

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

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

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

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

; Function Attrs: nounwind uwtable
define dso_local void @PrintEverything2(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %5

5:                                                ; preds = %25, %1
  %6 = load i32, ptr %3, align 4, !tbaa !9
  %7 = zext i32 %6 to i64
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.XArray_, ptr %8, i32 0, i32 8
  %10 = load i64, ptr %9, align 8, !tbaa !11
  %11 = icmp ult i64 %7, %10
  br i1 %11, label %12, label %28

12:                                               ; preds = %5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  %14 = load i32, ptr %3, align 4, !tbaa !9
  %15 = zext i32 %14 to i64
  %16 = call ptr @XArray_GetData(ptr noundef %13, i64 noundef %15)
  store ptr %16, ptr %4, align 8, !tbaa !5
  %17 = load i32, ptr %3, align 4, !tbaa !9
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.TestStruct, ptr %18, i32 0, i32 1
  %20 = load ptr, ptr %19, align 8, !tbaa !14
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.TestStruct, ptr %21, i32 0, i32 0
  %23 = load i32, ptr %22, align 8, !tbaa !16
  %24 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %17, ptr noundef %20, i32 noundef %23)
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  br label %25

25:                                               ; preds = %12
  %26 = load i32, ptr %3, align 4, !tbaa !9
  %27 = add i32 %26, 1
  store i32 %27, ptr %3, align 4, !tbaa !9
  br label %5, !llvm.loop !17

28:                                               ; preds = %5
  %29 = load ptr, ptr %2, align 8, !tbaa !5
  call void @PrintArrayInfo(ptr noundef %29)
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  ret void
}

declare ptr @XArray_GetData(ptr noundef, i64 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !13, i64 48}
!12 = !{!"XArray_", !6, i64 0, !6, i64 8, !10, i64 16, !6, i64 24, !7, i64 32, !7, i64 33, !7, i64 34, !13, i64 40, !13, i64 48}
!13 = !{!"long", !7, i64 0}
!14 = !{!15, !6, i64 8}
!15 = !{!"", !10, i64 0, !6, i64 8}
!16 = !{!15, !10, i64 0}
!17 = distinct !{!17, !18}
!18 = !{!"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"

@.str.2 = external hidden unnamed_addr constant [22 x i8], align 1

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

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

; Function Attrs: nounwind uwtable
define dso_local void @PrintEverything2(ptr noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 48
  %3 = load i64, ptr %2, align 8, !tbaa !5
  %.not = icmp eq i64 %3, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %1, %.lr.ph
  %4 = phi i64 [ %11, %.lr.ph ], [ 0, %1 ]
  %.09 = phi i32 [ %10, %.lr.ph ], [ 0, %1 ]
  %5 = tail call ptr @XArray_GetData(ptr noundef nonnull %0, i64 noundef %4) #3
  %6 = getelementptr inbounds i8, ptr %5, i64 8
  %7 = load ptr, ptr %6, align 8, !tbaa !12
  %8 = load i32, ptr %5, align 8, !tbaa !14
  %9 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %.09, ptr noundef %7, i32 noundef %8)
  %10 = add i32 %.09, 1
  %11 = zext i32 %10 to i64
  %12 = load i64, ptr %2, align 8, !tbaa !5
  %13 = icmp ugt i64 %12, %11
  br i1 %13, label %.lr.ph, label %._crit_edge, !llvm.loop !15

._crit_edge:                                      ; preds = %.lr.ph, %1
  tail call void @PrintArrayInfo(ptr noundef nonnull %0)
  ret void
}

declare ptr @XArray_GetData(ptr noundef, i64 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 = { 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 = { "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, !11, i64 48}
!6 = !{!"XArray_", !7, i64 0, !7, i64 8, !10, i64 16, !7, i64 24, !8, i64 32, !8, i64 33, !8, i64 34, !11, i64 40, !11, i64 48}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"long", !8, i64 0}
!12 = !{!13, !7, i64 8}
!13 = !{!"", !10, i64 0, !7, i64 8}
!14 = !{!13, !10, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass