; LLVM IR from paintdream/DontStarveLuaJIT :: src/luajit/src (lj_api)

; 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 { %union.anon }
%union.anon = type { %struct.anon, [320 x i8] }
%struct.anon = type { %struct.GCRef, i8, i8, i8, i8, %struct.MRef, %struct.GCRef, ptr, ptr, %struct.MRef, %struct.MRef, %struct.GCRef, %struct.GCRef, ptr, i32 }
%struct.MRef = type { i32 }
%struct.GCRef = type { i32 }
%union.TValue = type { i64 }

; Function Attrs: alwaysinline nounwind uwtable
declare hidden void @copyTV(ptr noundef, ptr noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
declare hidden ptr @index2adr(ptr noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local void @lua_pushvalue(ptr noundef %0, i32 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.lua_State, ptr %6, i32 0, i32 0
  %8 = getelementptr inbounds %struct.anon, ptr %7, i32 0, i32 8
  %9 = load ptr, ptr %8, align 8, !tbaa !11
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = load i32, ptr %4, align 4, !tbaa !9
  %12 = call ptr @index2adr(ptr noundef %10, i32 noundef %11)
  call void @copyTV(ptr noundef %5, ptr noundef %9, ptr noundef %12)
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.lua_State, ptr %13, i32 0, i32 0
  %15 = getelementptr inbounds %struct.anon, ptr %14, i32 0, i32 8
  %16 = load ptr, ptr %15, align 8, !tbaa !11
  %17 = getelementptr inbounds %union.TValue, ptr %16, i32 1
  store ptr %17, ptr %15, align 8, !tbaa !11
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.lua_State, ptr %18, i32 0, i32 0
  %20 = getelementptr inbounds %struct.anon, ptr %19, i32 0, i32 9
  %21 = getelementptr inbounds %struct.MRef, ptr %20, i32 0, i32 0
  %22 = load i32, ptr %21, align 8, !tbaa !11
  %23 = zext i32 %22 to i64
  %24 = inttoptr i64 %23 to ptr
  %25 = icmp uge ptr %17, %24
  br i1 %25, label %26, label %28

26:                                               ; preds = %2
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  call void @lj_state_growstack1(ptr noundef %27)
  br label %28

28:                                               ; preds = %26, %2
  %29 = phi i1 [ false, %2 ], [ false, %26 ]
  %30 = zext i1 %29 to i32
  ret void
}

declare hidden void @lj_state_growstack1(ptr noundef) #2

attributes #0 = { alwaysinline 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" }
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" }

!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 = !{!7, !7, i64 0}


; 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: alwaysinline nounwind uwtable
declare hidden void @copyTV(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden ptr @index2adr(ptr noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @lua_pushvalue(ptr noundef %0, i32 noundef %1) local_unnamed_addr #1 {
  %3 = getelementptr inbounds i8, ptr %0, i64 24
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = tail call ptr @index2adr(ptr noundef %0, i32 noundef %1)
  tail call void @copyTV(ptr noundef %0, ptr noundef %4, ptr noundef %5)
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %6, i64 8
  store ptr %7, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %0, i64 32
  %9 = load i32, ptr %8, align 8, !tbaa !5
  %10 = zext i32 %9 to i64
  %11 = inttoptr i64 %10 to ptr
  %.not = icmp ult ptr %7, %11
  br i1 %.not, label %13, label %12

12:                                               ; preds = %2
  tail call void @lj_state_growstack1(ptr noundef nonnull %0) #3
  br label %13

13:                                               ; preds = %12, %2
  ret void
}

declare hidden void @lj_state_growstack1(ptr noundef) local_unnamed_addr #2

attributes #0 = { alwaysinline 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" }
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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass