; LLVM IR from PaulBatchelor/sndkit :: graforge (graforge)

; 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.gf_node = type { ptr, i32, ptr, ptr, ptr, ptr, i32, i32, i32, i32, ptr }
%struct.gf_cable = type { ptr, ptr, float, ptr, i32, i8, ptr, ptr }

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

13:                                               ; preds = %2
  store i32 1, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %48

14:                                               ; preds = %2
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.gf_node, ptr %15, i32 0, i32 0
  %17 = load ptr, ptr %16, align 8, !tbaa !11
  %18 = load i32, ptr %5, align 4, !tbaa !9
  %19 = sext i32 %18 to i64
  %20 = mul i64 56, %19
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.gf_node, ptr %21, i32 0, i32 5
  %23 = call i32 @gf_memory_alloc(ptr noundef %17, i64 noundef %20, ptr noundef %22)
  store i32 %23, ptr %7, align 4, !tbaa !9
  %24 = load i32, ptr %7, align 4, !tbaa !9
  %25 = icmp ne i32 %24, 0
  br i1 %25, label %26, label %28

26:                                               ; preds = %14
  %27 = load i32, ptr %7, align 4, !tbaa !9
  store i32 %27, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %48

28:                                               ; preds = %14
  %29 = load i32, ptr %5, align 4, !tbaa !9
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.gf_node, ptr %30, i32 0, i32 6
  store i32 %29, ptr %31, align 8, !tbaa !13
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %32

32:                                               ; preds = %44, %28
  %33 = load i32, ptr %6, align 4, !tbaa !9
  %34 = load i32, ptr %5, align 4, !tbaa !9
  %35 = icmp slt i32 %33, %34
  br i1 %35, label %36, label %47

36:                                               ; preds = %32
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  %38 = load ptr, ptr %4, align 8, !tbaa !5
  %39 = getelementptr inbounds %struct.gf_node, ptr %38, i32 0, i32 5
  %40 = load ptr, ptr %39, align 8, !tbaa !14
  %41 = load i32, ptr %6, align 4, !tbaa !9
  %42 = sext i32 %41 to i64
  %43 = getelementptr inbounds %struct.gf_cable, ptr %40, i64 %42
  call void @gf_cable_init(ptr noundef %37, ptr noundef %43)
  br label %44

44:                                               ; preds = %36
  %45 = load i32, ptr %6, align 4, !tbaa !9
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %6, align 4, !tbaa !9
  br label %32, !llvm.loop !15

47:                                               ; preds = %32
  store i32 0, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %48

48:                                               ; preds = %47, %26, %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  %49 = load i32, ptr %3, align 4
  ret i32 %49
}

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

; Function Attrs: nounwind uwtable
declare dso_local i32 @gf_memory_alloc(ptr noundef, i64 noundef, ptr noundef) #0

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

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

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 = { 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, !6, i64 0}
!12 = !{!"gf_node", !6, i64 0, !10, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !10, i64 48, !10, i64 52, !10, i64 56, !10, i64 60, !6, i64 64}
!13 = !{!12, !10, i64 48}
!14 = !{!12, !6, i64 40}
!15 = distinct !{!15, !16}
!16 = !{!"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"

%struct.gf_cable = type { ptr, ptr, float, ptr, i32, i8, ptr, ptr }

; Function Attrs: nounwind uwtable
define dso_local i32 @gf_node_cables_alloc(ptr noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = load ptr, ptr %0, align 8, !tbaa !5
  %4 = icmp eq ptr %3, null
  br i1 %4, label %.loopexit, label %5

5:                                                ; preds = %2
  %6 = sext i32 %1 to i64
  %7 = mul nsw i64 %6, 56
  %8 = getelementptr inbounds i8, ptr %0, i64 40
  %9 = tail call i32 @gf_memory_alloc(ptr noundef nonnull %3, i64 noundef %7, ptr noundef nonnull %8)
  %.not = icmp eq i32 %9, 0
  br i1 %.not, label %10, label %.loopexit

10:                                               ; preds = %5
  %11 = getelementptr inbounds i8, ptr %0, i64 48
  store i32 %1, ptr %11, align 8, !tbaa !11
  %12 = icmp sgt i32 %1, 0
  br i1 %12, label %.lr.ph.preheader, label %.loopexit

.lr.ph.preheader:                                 ; preds = %10
  %wide.trip.count = zext nneg i32 %1 to i64
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %13 = load ptr, ptr %8, align 8, !tbaa !12
  %14 = getelementptr inbounds %struct.gf_cable, ptr %13, i64 %indvars.iv
  tail call void @gf_cable_init(ptr noundef nonnull %0, ptr noundef %14)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %.loopexit, label %.lr.ph, !llvm.loop !13

.loopexit:                                        ; preds = %.lr.ph, %10, %5, %2
  %.0 = phi i32 [ 1, %2 ], [ %9, %5 ], [ 0, %10 ], [ 0, %.lr.ph ]
  ret i32 %.0
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @gf_memory_alloc(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #0

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

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, !7, i64 0}
!6 = !{!"gf_node", !7, i64 0, !10, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !10, i64 48, !10, i64 52, !10, i64 56, !10, i64 60, !7, i64 64}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !10, i64 48}
!12 = !{!6, !7, i64 40}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


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