; LLVM IR from ejoy/ejoy2d :: lua (lstate)

; 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.lua_State = type { ptr, i8, i8, i8, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, %struct.CallInfo, ptr, i64, i32, i32, i32, i16, i16, i8, i8 }
%struct.CallInfo = type { ptr, ptr, ptr, ptr, %union.anon, i64, i16, i8 }
%union.anon = type { %struct.anon.0 }
%struct.anon.0 = type { ptr, i64, i64 }

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

declare hidden ptr @luaM_realloc_(ptr noundef, ptr noundef, i64 noundef, i64 noundef) #1

; 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 hidden void @luaE_freeCI(ptr noundef %0) #2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.lua_State, ptr %5, i32 0, i32 6
  %7 = load ptr, ptr %6, align 8, !tbaa !9
  store ptr %7, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.CallInfo, ptr %8, i32 0, i32 3
  %10 = load ptr, ptr %9, align 8, !tbaa !15
  store ptr %10, ptr %4, align 8, !tbaa !5
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.CallInfo, ptr %11, i32 0, i32 3
  store ptr null, ptr %12, align 8, !tbaa !15
  br label %13

13:                                               ; preds = %16, %1
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %14, ptr %3, align 8, !tbaa !5
  %15 = icmp ne ptr %14, null
  br i1 %15, label %16, label %23

16:                                               ; preds = %13
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.CallInfo, ptr %17, i32 0, i32 3
  %19 = load ptr, ptr %18, align 8, !tbaa !15
  store ptr %19, ptr %4, align 8, !tbaa !5
  %20 = load ptr, ptr %2, align 8, !tbaa !5
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = call ptr @luaM_realloc_(ptr noundef %20, ptr noundef %21, i64 noundef 72, i64 noundef 0)
  br label %13, !llvm.loop !16

23:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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, !6, i64 32}
!10 = !{!"lua_State", !6, i64 0, !7, i64 8, !7, i64 9, !7, i64 10, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !6, i64 88, !11, i64 96, !6, i64 168, !12, i64 176, !14, i64 184, !14, i64 188, !14, i64 192, !13, i64 196, !13, i64 198, !7, i64 200, !7, i64 201}
!11 = !{!"CallInfo", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !7, i64 32, !12, i64 56, !13, i64 64, !7, i64 66}
!12 = !{!"long", !7, i64 0}
!13 = !{!"short", !7, i64 0}
!14 = !{!"int", !7, i64 0}
!15 = !{!11, !6, i64 24}
!16 = distinct !{!16, !17}
!17 = !{!"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"

declare hidden ptr @luaM_realloc_(ptr noundef, ptr noundef, i64 noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define hidden void @luaE_freeCI(ptr noundef %0) local_unnamed_addr #1 {
  %2 = getelementptr inbounds i8, ptr %0, i64 32
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %3, i64 24
  %5 = load ptr, ptr %4, align 8, !tbaa !14
  store ptr null, ptr %4, align 8, !tbaa !14
  %.not7 = icmp eq ptr %5, null
  br i1 %.not7, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %1, %.lr.ph
  %.08 = phi ptr [ %7, %.lr.ph ], [ %5, %1 ]
  %6 = getelementptr inbounds i8, ptr %.08, i64 24
  %7 = load ptr, ptr %6, align 8, !tbaa !14
  %8 = tail call ptr @luaM_realloc_(ptr noundef %0, ptr noundef nonnull %.08, i64 noundef 72, i64 noundef 0) #2
  %.not = icmp eq ptr %7, null
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !15

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

attributes #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" }
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, !7, i64 32}
!6 = !{!"lua_State", !7, i64 0, !8, i64 8, !8, i64 9, !8, i64 10, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !7, i64 56, !7, i64 64, !7, i64 72, !7, i64 80, !7, i64 88, !10, i64 96, !7, i64 168, !11, i64 176, !13, i64 184, !13, i64 188, !13, i64 192, !12, i64 196, !12, i64 198, !8, i64 200, !8, i64 201}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"CallInfo", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !8, i64 32, !11, i64 56, !12, i64 64, !8, i64 66}
!11 = !{!"long", !8, i64 0}
!12 = !{!"short", !8, i64 0}
!13 = !{!"int", !8, i64 0}
!14 = !{!10, !7, i64 24}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


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