; LLVM IR from Stephane-D/SGDK :: src (object)

; 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.Object_ = type { i16, i16, ptr, ptr, ptr }

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

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

; Function Attrs: nounwind uwtable
define dso_local void @OBJ_updateAll(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i16, align 2
  %5 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = call ptr @POOL_getFirst(ptr noundef %6)
  store ptr %7, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 2, ptr %4) #3
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = call zeroext i16 @POOL_getNumAllocated(ptr noundef %8)
  store i16 %9, ptr %4, align 2, !tbaa !9
  br label %10

10:                                               ; preds = %14, %1
  %11 = load i16, ptr %4, align 2, !tbaa !9
  %12 = add i16 %11, -1
  store i16 %12, ptr %4, align 2, !tbaa !9
  %13 = icmp ne i16 %11, 0
  br i1 %13, label %14, label %22

14:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  %16 = getelementptr inbounds ptr, ptr %15, i32 1
  store ptr %16, ptr %3, align 8, !tbaa !5
  %17 = load ptr, ptr %15, align 8, !tbaa !5
  store ptr %17, ptr %5, align 8, !tbaa !5
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.Object_, ptr %18, i32 0, i32 3
  %20 = load ptr, ptr %19, align 8, !tbaa !11
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  call void %20(ptr noundef %21)
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  br label %10, !llvm.loop !13

22:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 2, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret void
}

declare ptr @POOL_getFirst(ptr noundef) #2

declare zeroext i16 @POOL_getNumAllocated(ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
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 = !{!"short", !7, i64 0}
!11 = !{!12, !6, i64 16}
!12 = !{!"Object_", !10, i64 0, !10, i64 2, !6, i64 8, !6, i64 16, !6, i64 24}
!13 = distinct !{!13, !14}
!14 = !{!"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"

; Function Attrs: nounwind uwtable
define dso_local void @OBJ_updateAll(ptr noundef %0) local_unnamed_addr #0 {
  %2 = tail call ptr @POOL_getFirst(ptr noundef %0) #2
  %3 = tail call zeroext i16 @POOL_getNumAllocated(ptr noundef %0) #2
  %.not6 = icmp eq i16 %3, 0
  br i1 %.not6, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %1, %.lr.ph
  %.08 = phi ptr [ %5, %.lr.ph ], [ %2, %1 ]
  %.057 = phi i16 [ %4, %.lr.ph ], [ %3, %1 ]
  %4 = add i16 %.057, -1
  %5 = getelementptr inbounds i8, ptr %.08, i64 8
  %6 = load ptr, ptr %.08, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %6, i64 16
  %8 = load ptr, ptr %7, align 8, !tbaa !9
  tail call void %8(ptr noundef %6) #2
  %.not = icmp eq i16 %4, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !12

._crit_edge:                                      ; preds = %.lr.ph, %1
  ret void
}

declare ptr @POOL_getFirst(ptr noundef) local_unnamed_addr #1

declare zeroext i16 @POOL_getNumAllocated(ptr noundef) local_unnamed_addr #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 = { "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 }

!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, !6, i64 16}
!10 = !{!"Object_", !11, i64 0, !11, i64 2, !6, i64 8, !6, i64 16, !6, i64 24}
!11 = !{!"short", !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


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