; 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: nounwind uwtable
define dso_local void @mln_array_pop(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = icmp eq ptr %3, null
  br i1 %4, label %10, label %5

5:                                                ; preds = %1
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.mln_array_t, ptr %6, i32 0, i32 3
  %8 = load i64, ptr %7, align 8, !tbaa !9
  %9 = icmp ne i64 %8, 0
  br i1 %9, label %11, label %10

10:                                               ; preds = %5, %1
  br label %37

11:                                               ; preds = %5
  %12 = load ptr, ptr %2, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.mln_array_t, ptr %12, i32 0, i32 7
  %14 = load ptr, ptr %13, align 8, !tbaa !12
  %15 = icmp ne ptr %14, null
  br i1 %15, label %16, label %32

16:                                               ; preds = %11
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.mln_array_t, ptr %17, i32 0, i32 7
  %19 = load ptr, ptr %18, align 8, !tbaa !12
  %20 = load ptr, ptr %2, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.mln_array_t, ptr %20, i32 0, i32 0
  %22 = load ptr, ptr %21, align 8, !tbaa !13
  %23 = load ptr, ptr %2, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.mln_array_t, ptr %23, i32 0, i32 3
  %25 = load i64, ptr %24, align 8, !tbaa !9
  %26 = sub i64 %25, 1
  %27 = load ptr, ptr %2, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.mln_array_t, ptr %27, i32 0, i32 1
  %29 = load i64, ptr %28, align 8, !tbaa !14
  %30 = mul i64 %26, %29
  %31 = getelementptr inbounds i8, ptr %22, i64 %30
  call void %19(ptr noundef %31)
  br label %32

32:                                               ; preds = %16, %11
  %33 = load ptr, ptr %2, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.mln_array_t, ptr %33, i32 0, i32 3
  %35 = load i64, ptr %34, align 8, !tbaa !9
  %36 = add i64 %35, -1
  store i64 %36, ptr %34, align 8, !tbaa !9
  br label %37

37:                                               ; preds = %32, %10
  ret void
}

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" }

!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, !11, i64 24}
!10 = !{!"", !6, i64 0, !11, i64 8, !11, i64 16, !11, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !6, i64 56}
!13 = !{!10, !6, i64 0}
!14 = !{!10, !11, 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: nounwind uwtable
define dso_local void @mln_array_pop(ptr noundef %0) local_unnamed_addr #0 {
  %2 = icmp eq ptr %0, null
  br i1 %2, label %19, label %3

3:                                                ; preds = %1
  %4 = getelementptr inbounds i8, ptr %0, i64 24
  %5 = load i64, ptr %4, align 8, !tbaa !5
  %.not = icmp eq i64 %5, 0
  br i1 %.not, label %19, label %6

6:                                                ; preds = %3
  %7 = getelementptr inbounds i8, ptr %0, i64 56
  %8 = load ptr, ptr %7, align 8, !tbaa !11
  %.not10 = icmp eq ptr %8, null
  br i1 %.not10, label %16, label %9

9:                                                ; preds = %6
  %10 = load ptr, ptr %0, align 8, !tbaa !12
  %11 = add i64 %5, -1
  %12 = getelementptr inbounds i8, ptr %0, i64 8
  %13 = load i64, ptr %12, align 8, !tbaa !13
  %14 = mul i64 %13, %11
  %15 = getelementptr inbounds i8, ptr %10, i64 %14
  tail call void %8(ptr noundef %15) #1
  %.pre = load i64, ptr %4, align 8, !tbaa !5
  br label %16

16:                                               ; preds = %9, %6
  %17 = phi i64 [ %.pre, %9 ], [ %5, %6 ]
  %18 = add i64 %17, -1
  store i64 %18, ptr %4, align 8, !tbaa !5
  br label %19

19:                                               ; preds = %1, %3, %16
  ret void
}

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 }

!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, !7, i64 56}
!12 = !{!6, !7, i64 0}
!13 = !{!6, !10, i64 8}


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