; 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"

%union.TValue = type { i64 }
%struct.anon.0 = type { %union.anon.1, i32 }
%union.anon.1 = type { %struct.GCRef }
%struct.GCRef = type { i32 }

; 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
declare hidden ptr @index2adr(ptr noundef, i32 noundef) #1

; Function Attrs: noreturn
declare hidden void @lj_err_argt(ptr noundef, i32 noundef, i32 noundef) #2

declare hidden i32 @lj_strscan_num(ptr noundef, ptr noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(none)
declare i64 @llvm.expect.i64(i64, i64) #4

; Function Attrs: nounwind uwtable
define dso_local i64 @luaL_checkinteger(ptr noundef %0, i32 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca %union.TValue, align 8
  %7 = alloca double, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = load i32, ptr %4, align 4, !tbaa !9
  %10 = call ptr @index2adr(ptr noundef %8, i32 noundef %9)
  store ptr %10, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.anon.0, ptr %11, i32 0, i32 1
  %13 = load i32, ptr %12, align 4, !tbaa !11
  %14 = icmp ult i32 %13, -65537
  %15 = xor i1 %14, true
  %16 = xor i1 %15, true
  %17 = zext i1 %16 to i32
  %18 = sext i32 %17 to i64
  %19 = call i64 @llvm.expect.i64(i64 %18, i64 1)
  %20 = icmp ne i64 %19, 0
  br i1 %20, label %21, label %24

21:                                               ; preds = %2
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = load double, ptr %22, align 8, !tbaa !11
  store double %23, ptr %7, align 8, !tbaa !12
  br label %43

24:                                               ; preds = %2
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.anon.0, ptr %25, i32 0, i32 1
  %27 = load i32, ptr %26, align 4, !tbaa !11
  %28 = icmp eq i32 %27, -5
  br i1 %28, label %29, label %38

29:                                               ; preds = %24
  %30 = load ptr, ptr %5, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.anon.0, ptr %30, i32 0, i32 0
  %32 = getelementptr inbounds %struct.GCRef, ptr %31, i32 0, i32 0
  %33 = load i32, ptr %32, align 8, !tbaa !11
  %34 = zext i32 %33 to i64
  %35 = inttoptr i64 %34 to ptr
  %36 = call i32 @lj_strscan_num(ptr noundef %35, ptr noundef %6)
  %37 = icmp ne i32 %36, 0
  br i1 %37, label %41, label %38

38:                                               ; preds = %29, %24
  %39 = load ptr, ptr %3, align 8, !tbaa !5
  %40 = load i32, ptr %4, align 4, !tbaa !9
  call void @lj_err_argt(ptr noundef %39, i32 noundef %40, i32 noundef 3) #6
  unreachable

41:                                               ; preds = %29
  %42 = load double, ptr %6, align 8, !tbaa !11
  store double %42, ptr %7, align 8, !tbaa !12
  br label %43

43:                                               ; preds = %41, %21
  %44 = load double, ptr %7, align 8, !tbaa !12
  %45 = fptosi double %44 to i64
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  ret i64 %45
}

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 = { 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 #3 = { "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 = { nocallback nofree nosync nounwind willreturn memory(none) }
attributes #5 = { nounwind }
attributes #6 = { 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}
!12 = !{!13, !13, i64 0}
!13 = !{!"double", !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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

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

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

; Function Attrs: noreturn
declare hidden void @lj_err_argt(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #2

declare hidden i32 @lj_strscan_num(ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local i64 @luaL_checkinteger(ptr noundef %0, i32 noundef %1) local_unnamed_addr #1 {
  %3 = alloca %union.TValue, align 8
  %4 = tail call ptr @index2adr(ptr noundef %0, i32 noundef %1)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %5 = getelementptr inbounds i8, ptr %4, i64 4
  %6 = load i32, ptr %5, align 4, !tbaa !5
  %7 = icmp ult i32 %6, -65537
  br i1 %7, label %16, label %8, !prof !8

8:                                                ; preds = %2
  %9 = icmp eq i32 %6, -5
  br i1 %9, label %10, label %15

10:                                               ; preds = %8
  %11 = load i32, ptr %4, align 8, !tbaa !5
  %12 = zext i32 %11 to i64
  %13 = inttoptr i64 %12 to ptr
  %14 = call i32 @lj_strscan_num(ptr noundef %13, ptr noundef nonnull %3) #4
  %.not = icmp eq i32 %14, 0
  br i1 %.not, label %15, label %16

15:                                               ; preds = %10, %8
  call void @lj_err_argt(ptr noundef %0, i32 noundef %1, i32 noundef 3) #5
  unreachable

16:                                               ; preds = %10, %2
  %.0.in = phi ptr [ %4, %2 ], [ %3, %10 ]
  %.0 = load double, ptr %.0.in, align 8, !tbaa !5
  %17 = fptosi double %.0 to i64
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  ret i64 %17
}

attributes #0 = { mustprogress 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 = { 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 #3 = { "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: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,LowerExpectIntrinsicPass,SROAPass,SimplifyCFGPass,TailCallElimPass