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

; 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 }

; Function Attrs: nounwind uwtable
define dso_local i32 @lua_sethook(ptr noundef %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) #0 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i32 %2, ptr %7, align 4, !tbaa !9
  store i32 %3, ptr %8, align 4, !tbaa !9
  %9 = load ptr, ptr %6, align 8, !tbaa !5
  %10 = icmp eq ptr %9, null
  br i1 %10, label %14, label %11

11:                                               ; preds = %4
  %12 = load i32, ptr %7, align 4, !tbaa !9
  %13 = icmp eq i32 %12, 0
  br i1 %13, label %14, label %15

14:                                               ; preds = %11, %4
  store i32 0, ptr %7, align 4, !tbaa !9
  store ptr null, ptr %6, align 8, !tbaa !5
  br label %15

15:                                               ; preds = %14, %11
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.lua_State, ptr %17, i32 0, i32 21
  store ptr %16, ptr %18, align 8, !tbaa !11
  %19 = load i32, ptr %8, align 4, !tbaa !9
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.lua_State, ptr %20, i32 0, i32 19
  store i32 %19, ptr %21, align 8, !tbaa !16
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.lua_State, ptr %22, i32 0, i32 19
  %24 = load i32, ptr %23, align 8, !tbaa !16
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.lua_State, ptr %25, i32 0, i32 20
  store i32 %24, ptr %26, align 4, !tbaa !17
  %27 = load i32, ptr %7, align 4, !tbaa !9
  %28 = trunc i32 %27 to i8
  %29 = load ptr, ptr %5, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.lua_State, ptr %29, i32 0, i32 17
  store i8 %28, ptr %30, align 4, !tbaa !18
  ret i32 1
}

attributes #0 = { 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, !6, i64 112}
!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, !10, i64 104}
!17 = !{!12, !10, i64 108}
!18 = !{!12, !7, i64 100}


; 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: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local noundef i32 @lua_sethook(ptr nocapture noundef writeonly %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #0 {
  %5 = icmp eq ptr %1, null
  %6 = icmp eq i32 %2, 0
  %7 = trunc i32 %2 to i8
  %spec.select13 = select i1 %6, ptr null, ptr %1
  %8 = getelementptr inbounds i8, ptr %0, i64 112
  store ptr %spec.select13, ptr %8, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %0, i64 104
  store i32 %3, ptr %9, align 8, !tbaa !14
  %10 = getelementptr inbounds i8, ptr %0, i64 108
  store i32 %3, ptr %10, align 4, !tbaa !15
  %11 = select i1 %5, i8 0, i8 %7
  %12 = getelementptr inbounds i8, ptr %0, i64 100
  store i8 %11, ptr %12, align 4, !tbaa !16
  ret i32 1
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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, !7, i64 112}
!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, !10, i64 104}
!15 = !{!6, !10, i64 108}
!16 = !{!6, !8, i64 100}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass