; LLVM IR from Water-Melon/Melon :: src (mln_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.mln_array_t = type { ptr, i64, i64, i64, ptr, ptr, ptr, ptr }

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @mln_array_alloc(ptr noundef, i64 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

; Function Attrs: nounwind uwtable
define dso_local ptr @mln_array_pushn(ptr noundef nonnull %0, i64 noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.mln_array_t, ptr %8, i32 0, i32 3
  %10 = load i64, ptr %9, align 8, !tbaa !11
  %11 = load i64, ptr %5, align 8, !tbaa !9
  %12 = add i64 %10, %11
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.mln_array_t, ptr %13, i32 0, i32 2
  %15 = load i64, ptr %14, align 8, !tbaa !13
  %16 = icmp ugt i64 %12, %15
  br i1 %16, label %17, label %24

17:                                               ; preds = %2
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = load i64, ptr %5, align 8, !tbaa !9
  %20 = call i32 @mln_array_alloc(ptr noundef %18, i64 noundef %19)
  %21 = icmp slt i32 %20, 0
  br i1 %21, label %22, label %23

22:                                               ; preds = %17
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %42

23:                                               ; preds = %17
  br label %24

24:                                               ; preds = %23, %2
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.mln_array_t, ptr %25, i32 0, i32 0
  %27 = load ptr, ptr %26, align 8, !tbaa !14
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.mln_array_t, ptr %28, i32 0, i32 3
  %30 = load i64, ptr %29, align 8, !tbaa !11
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.mln_array_t, ptr %31, i32 0, i32 1
  %33 = load i64, ptr %32, align 8, !tbaa !15
  %34 = mul i64 %30, %33
  %35 = getelementptr inbounds i8, ptr %27, i64 %34
  store ptr %35, ptr %6, align 8, !tbaa !5
  %36 = load i64, ptr %5, align 8, !tbaa !9
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.mln_array_t, ptr %37, i32 0, i32 3
  %39 = load i64, ptr %38, align 8, !tbaa !11
  %40 = add i64 %39, %36
  store i64 %40, ptr %38, align 8, !tbaa !11
  %41 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %41, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %42

42:                                               ; preds = %24, %22
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %43 = load ptr, ptr %3, align 8
  ret ptr %43
}

attributes #0 = { inlinehint 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 = { 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}
!11 = !{!12, !10, i64 24}
!12 = !{!"", !6, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56}
!13 = !{!12, !10, i64 16}
!14 = !{!12, !6, i64 0}
!15 = !{!12, !10, i64 8}


; 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: inlinehint nounwind uwtable
declare hidden i32 @mln_array_alloc(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local ptr @mln_array_pushn(ptr noundef nonnull %0, i64 noundef %1) local_unnamed_addr #1 {
  %3 = getelementptr inbounds i8, ptr %0, i64 24
  %4 = load i64, ptr %3, align 8, !tbaa !5
  %5 = add i64 %4, %1
  %6 = getelementptr inbounds i8, ptr %0, i64 16
  %7 = load i64, ptr %6, align 8, !tbaa !11
  %8 = icmp ugt i64 %5, %7
  br i1 %8, label %9, label %12

9:                                                ; preds = %2
  %10 = tail call i32 @mln_array_alloc(ptr noundef nonnull %0, i64 noundef %1)
  %11 = icmp slt i32 %10, 0
  br i1 %11, label %19, label %._crit_edge

._crit_edge:                                      ; preds = %9
  %.pre = load i64, ptr %3, align 8, !tbaa !5
  %.pre11 = add i64 %.pre, %1
  br label %12

12:                                               ; preds = %._crit_edge, %2
  %.pre-phi = phi i64 [ %.pre11, %._crit_edge ], [ %5, %2 ]
  %13 = phi i64 [ %.pre, %._crit_edge ], [ %4, %2 ]
  %14 = load ptr, ptr %0, align 8, !tbaa !12
  %15 = getelementptr inbounds i8, ptr %0, i64 8
  %16 = load i64, ptr %15, align 8, !tbaa !13
  %17 = mul i64 %16, %13
  %18 = getelementptr inbounds i8, ptr %14, i64 %17
  store i64 %.pre-phi, ptr %3, align 8, !tbaa !5
  br label %19

19:                                               ; preds = %9, %12
  %.0 = phi ptr [ %18, %12 ], [ null, %9 ]
  ret ptr %.0
}

attributes #0 = { inlinehint 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 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" }

!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, !10, i64 24}
!6 = !{!"", !7, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !7, i64 56}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!6, !10, i64 16}
!12 = !{!6, !7, i64 0}
!13 = !{!6, !10, i64 8}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass