; LLVM IR from ramsdell/lineqpp :: lua (ldo)

; 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, i32, i32, i16, i16, i8, i8, i32, i32, ptr, %struct.lua_TValue, %struct.lua_TValue, ptr, ptr, ptr, i64 }
%struct.lua_TValue = type { %union.Value, i32 }
%union.Value = type { ptr }

@.str.4 = external hidden unnamed_addr constant [51 x i8], align 1

declare hidden void @luaG_runerror(ptr noundef, ptr noundef, ...) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @lua_yield(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 15
  %8 = load i16, ptr %7, align 8, !tbaa !11
  %9 = zext i16 %8 to i32
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.lua_State, ptr %10, i32 0, i32 16
  %12 = load i16, ptr %11, align 2, !tbaa !16
  %13 = zext i16 %12 to i32
  %14 = icmp sgt i32 %9, %13
  br i1 %14, label %15, label %17

15:                                               ; preds = %2
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  call void (ptr, ptr, ...) @luaG_runerror(ptr noundef %16, ptr noundef @.str.4)
  br label %17

17:                                               ; preds = %15, %2
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.lua_State, ptr %18, i32 0, i32 4
  %20 = load ptr, ptr %19, align 8, !tbaa !17
  %21 = load i32, ptr %4, align 4, !tbaa !9
  %22 = sext i32 %21 to i64
  %23 = sub i64 0, %22
  %24 = getelementptr inbounds %struct.lua_TValue, ptr %20, i64 %23
  %25 = load ptr, ptr %3, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.lua_State, ptr %25, i32 0, i32 5
  store ptr %24, ptr %26, align 8, !tbaa !18
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.lua_State, ptr %27, i32 0, i32 3
  store i8 1, ptr %28, align 2, !tbaa !19
  ret i32 -1
}

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" }

!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 = !{!12, !13, i64 96}
!12 = !{!"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, !10, i64 88, !10, i64 92, !13, i64 96, !13, i64 98, !7, i64 100, !7, i64 101, !10, i64 104, !10, i64 108, !6, i64 112, !14, i64 120, !14, i64 136, !6, i64 152, !6, i64 160, !6, i64 168, !15, i64 176}
!13 = !{!"short", !7, i64 0}
!14 = !{!"lua_TValue", !7, i64 0, !10, i64 8}
!15 = !{!"long", !7, i64 0}
!16 = !{!12, !13, i64 98}
!17 = !{!12, !6, i64 16}
!18 = !{!12, !6, i64 24}
!19 = !{!12, !7, i64 10}


; 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"

%struct.lua_TValue = type { %union.Value, i32 }
%union.Value = type { ptr }

@.str.4 = external hidden unnamed_addr constant [51 x i8], align 1

declare hidden void @luaG_runerror(ptr noundef, ptr noundef, ...) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @lua_yield(ptr noundef %0, i32 noundef %1) local_unnamed_addr #1 {
  %3 = getelementptr inbounds i8, ptr %0, i64 96
  %4 = load i16, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %0, i64 98
  %6 = load i16, ptr %5, align 2, !tbaa !14
  %7 = icmp ugt i16 %4, %6
  br i1 %7, label %8, label %9

8:                                                ; preds = %2
  tail call void (ptr, ptr, ...) @luaG_runerror(ptr noundef nonnull %0, ptr noundef nonnull @.str.4) #2
  br label %9

9:                                                ; preds = %8, %2
  %10 = getelementptr inbounds i8, ptr %0, i64 16
  %11 = load ptr, ptr %10, align 8, !tbaa !15
  %12 = sext i32 %1 to i64
  %13 = sub nsw i64 0, %12
  %14 = getelementptr inbounds %struct.lua_TValue, ptr %11, i64 %13
  %15 = getelementptr inbounds i8, ptr %0, i64 24
  store ptr %14, ptr %15, align 8, !tbaa !16
  %16 = getelementptr inbounds i8, ptr %0, i64 10
  store i8 1, ptr %16, align 2, !tbaa !17
  ret i32 -1
}

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, !11, i64 96}
!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, !10, i64 88, !10, i64 92, !11, i64 96, !11, i64 98, !8, i64 100, !8, i64 101, !10, i64 104, !10, i64 108, !7, i64 112, !12, i64 120, !12, i64 136, !7, i64 152, !7, i64 160, !7, i64 168, !13, i64 176}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"short", !8, i64 0}
!12 = !{!"lua_TValue", !8, i64 0, !10, i64 8}
!13 = !{!"long", !8, i64 0}
!14 = !{!6, !11, i64 98}
!15 = !{!6, !7, i64 16}
!16 = !{!6, !7, i64 24}
!17 = !{!6, !8, i64 10}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass