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

; 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 }
%struct.anon.1 = type { %union.anon.2, i32 }
%union.anon.2 = type { %struct.GCRef }

; 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(none)
declare i64 @llvm.expect.i64(i64, i64) #1

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

; Function Attrs: alwaysinline nounwind uwtable
declare hidden void @setstrV(ptr noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
define hidden ptr @lj_lib_checkstr(ptr noundef %0, i32 noundef %1) #3 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  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 8, ptr %6) #6
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.lua_State, ptr %9, i32 0, i32 0
  %11 = getelementptr inbounds %struct.anon, ptr %10, i32 0, i32 7
  %12 = load ptr, ptr %11, align 8, !tbaa !11
  %13 = load i32, ptr %5, align 4, !tbaa !9
  %14 = sext i32 %13 to i64
  %15 = getelementptr inbounds %union.TValue, ptr %12, i64 %14
  %16 = getelementptr inbounds %union.TValue, ptr %15, i64 -1
  store ptr %16, ptr %6, align 8, !tbaa !5
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = load ptr, ptr %4, 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 8
  %21 = load ptr, ptr %20, align 8, !tbaa !11
  %22 = icmp ult ptr %17, %21
  br i1 %22, label %23, label %56

23:                                               ; preds = %2
  %24 = load ptr, ptr %6, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.anon.1, ptr %24, i32 0, i32 1
  %26 = load i32, ptr %25, align 4, !tbaa !11
  %27 = icmp eq i32 %26, -5
  %28 = xor i1 %27, true
  %29 = xor i1 %28, true
  %30 = zext i1 %29 to i32
  %31 = sext i32 %30 to i64
  %32 = call i64 @llvm.expect.i64(i64 %31, i64 1)
  %33 = icmp ne i64 %32, 0
  br i1 %33, label %34, label %41

34:                                               ; preds = %23
  %35 = load ptr, ptr %6, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.anon.1, ptr %35, i32 0, i32 0
  %37 = getelementptr inbounds %struct.GCRef, ptr %36, i32 0, i32 0
  %38 = load i32, ptr %37, align 8, !tbaa !11
  %39 = zext i32 %38 to i64
  %40 = inttoptr i64 %39 to ptr
  store ptr %40, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %59

41:                                               ; preds = %23
  %42 = load ptr, ptr %6, align 8, !tbaa !5
  %43 = getelementptr inbounds %struct.anon.1, ptr %42, i32 0, i32 1
  %44 = load i32, ptr %43, align 4, !tbaa !11
  %45 = icmp ule i32 %44, -65537
  br i1 %45, label %46, label %54

46:                                               ; preds = %41
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %47 = load ptr, ptr %4, align 8, !tbaa !5
  %48 = load ptr, ptr %6, align 8, !tbaa !5
  %49 = call ptr @lj_strfmt_number(ptr noundef %47, ptr noundef %48)
  store ptr %49, ptr %8, align 8, !tbaa !5
  %50 = load ptr, ptr %4, align 8, !tbaa !5
  %51 = load ptr, ptr %6, align 8, !tbaa !5
  %52 = load ptr, ptr %8, align 8, !tbaa !5
  call void @setstrV(ptr noundef %50, ptr noundef %51, ptr noundef %52)
  %53 = load ptr, ptr %8, align 8, !tbaa !5
  store ptr %53, ptr %3, align 8
  store i32 1, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %59

54:                                               ; preds = %41
  br label %55

55:                                               ; preds = %54
  br label %56

56:                                               ; preds = %55, %2
  %57 = load ptr, ptr %4, align 8, !tbaa !5
  %58 = load i32, ptr %5, align 4, !tbaa !9
  call void @lj_err_argt(ptr noundef %57, i32 noundef %58, i32 noundef 4) #7
  unreachable

59:                                               ; preds = %46, %34
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  %60 = load ptr, ptr %3, align 8
  ret ptr %60
}

declare hidden ptr @lj_strfmt_number(ptr noundef, ptr noundef) #4

; Function Attrs: noreturn
declare hidden void @lj_err_argt(ptr noundef, i32 noundef, i32 noundef) #5

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(none) }
attributes #2 = { 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 #3 = { 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 #4 = { "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 #5 = { noreturn "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 #6 = { nounwind }
attributes #7 = { noreturn }

!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"

%union.TValue = type { i64 }

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

; Function Attrs: nounwind uwtable
define hidden ptr @lj_lib_checkstr(ptr noundef %0, i32 noundef %1) local_unnamed_addr #1 {
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = sext i32 %1 to i64
  %6 = getelementptr inbounds %union.TValue, ptr %4, i64 %5
  %7 = getelementptr inbounds i8, ptr %6, i64 -8
  %8 = getelementptr inbounds i8, ptr %0, i64 24
  %9 = load ptr, ptr %8, align 8, !tbaa !5
  %10 = icmp ult ptr %7, %9
  br i1 %10, label %11, label %23

11:                                               ; preds = %2
  %12 = getelementptr inbounds i8, ptr %6, i64 -4
  %13 = load i32, ptr %12, align 4, !tbaa !5
  %14 = icmp eq i32 %13, -5
  br i1 %14, label %15, label %19, !prof !8

15:                                               ; preds = %11
  %16 = load i32, ptr %7, align 8, !tbaa !5
  %17 = zext i32 %16 to i64
  %18 = inttoptr i64 %17 to ptr
  br label %24

19:                                               ; preds = %11
  %20 = icmp ult i32 %13, -65536
  br i1 %20, label %21, label %23

21:                                               ; preds = %19
  %22 = tail call ptr @lj_strfmt_number(ptr noundef nonnull %0, ptr noundef nonnull %7) #4
  tail call void @setstrV(ptr noundef nonnull %0, ptr noundef nonnull %7, ptr noundef %22)
  br label %24

23:                                               ; preds = %19, %2
  tail call void @lj_err_argt(ptr noundef nonnull %0, i32 noundef %1, i32 noundef 4) #5
  unreachable

24:                                               ; preds = %21, %15
  %.0 = phi ptr [ %18, %15 ], [ %22, %21 ]
  ret ptr %.0
}

declare hidden ptr @lj_strfmt_number(ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: noreturn
declare hidden void @lj_err_argt(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #3

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 = { noreturn "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 #4 = { nounwind }
attributes #5 = { noreturn 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"}
!8 = !{!"branch_weights", !"expected", i32 2000, i32 1}


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