; LLVM IR from vczh/herodb :: Kernel/Source/Vlpp.ll (ZN2vl5regex11RegexTokensC2ERKS1_)

; 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"

%"class.vl::regex::RegexTokens" = type { %"class.vl::Object", %"class.vl::collections::IEnumerable.51", ptr, ptr, %"class.vl::ObjectString", i64 }
%"class.vl::Object" = type { ptr }
%"class.vl::collections::IEnumerable.51" = type { %"class.vl::Interface" }
%"class.vl::Interface" = type { ptr }
%"class.vl::ObjectString" = type { %"class.vl::Object", ptr, ptr, i64, i64, i64 }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN2vl6ObjectC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2vl12ObjectStringIwEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN2vl11collections11IEnumerableINS_5regex10RegexTokenEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN2vl11collections11IEnumerableINS_5regex10RegexTokenEED2Ev(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN2vl5regex11RegexTokensC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(88) %0, ptr noundef %1, ptr noundef nonnull align 8 dereferenceable(88) %2) unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  %9 = load ptr, ptr %4, align 8
  %10 = load ptr, ptr %5, align 8
  call void @_ZN2vl6ObjectC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %9) #3
  %11 = getelementptr inbounds i8, ptr %9, i64 8
  %12 = getelementptr inbounds ptr, ptr %10, i64 1
  call void @_ZN2vl11collections11IEnumerableINS_5regex10RegexTokenEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef %12) #3
  %13 = load ptr, ptr %10, align 8
  store ptr %13, ptr %9, align 8, !tbaa !9
  %14 = getelementptr inbounds ptr, ptr %10, i64 3
  %15 = load ptr, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr %9, i64 8
  store ptr %15, ptr %16, align 8, !tbaa !9
  %17 = getelementptr inbounds ptr, ptr %10, i64 4
  %18 = load ptr, ptr %17, align 8
  %19 = load ptr, ptr %9, align 8, !tbaa !9
  %20 = getelementptr i8, ptr %19, i64 -24
  %21 = load i64, ptr %20, align 8
  %22 = getelementptr inbounds i8, ptr %9, i64 %21
  store ptr %18, ptr %22, align 8, !tbaa !9
  %23 = getelementptr inbounds %"class.vl::regex::RegexTokens", ptr %9, i32 0, i32 2
  %24 = load ptr, ptr %6, align 8, !tbaa !5
  %25 = getelementptr inbounds %"class.vl::regex::RegexTokens", ptr %24, i32 0, i32 2
  %26 = load ptr, ptr %25, align 8, !tbaa !11
  store ptr %26, ptr %23, align 8, !tbaa !11
  %27 = getelementptr inbounds %"class.vl::regex::RegexTokens", ptr %9, i32 0, i32 3
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = getelementptr inbounds %"class.vl::regex::RegexTokens", ptr %28, i32 0, i32 3
  %30 = load ptr, ptr %29, align 8, !tbaa !17
  store ptr %30, ptr %27, align 8, !tbaa !5
  %31 = getelementptr inbounds %"class.vl::regex::RegexTokens", ptr %9, i32 0, i32 4
  %32 = load ptr, ptr %6, align 8, !tbaa !5
  %33 = getelementptr inbounds %"class.vl::regex::RegexTokens", ptr %32, i32 0, i32 4
  invoke void @_ZN2vl12ObjectStringIwEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(48) %31, ptr noundef nonnull align 8 dereferenceable(48) %33)
          to label %34 unwind label %39

34:                                               ; preds = %3
  %35 = getelementptr inbounds %"class.vl::regex::RegexTokens", ptr %9, i32 0, i32 5
  %36 = load ptr, ptr %6, align 8, !tbaa !5
  %37 = getelementptr inbounds %"class.vl::regex::RegexTokens", ptr %36, i32 0, i32 5
  %38 = load i64, ptr %37, align 8, !tbaa !18
  store i64 %38, ptr %35, align 8, !tbaa !18
  ret void

39:                                               ; preds = %3
  %40 = landingpad { ptr, i32 }
          cleanup
  %41 = extractvalue { ptr, i32 } %40, 0
  store ptr %41, ptr %7, align 8
  %42 = extractvalue { ptr, i32 } %40, 1
  store i32 %42, ptr %8, align 4
  %43 = getelementptr inbounds i8, ptr %9, i64 8
  %44 = getelementptr inbounds ptr, ptr %10, i64 1
  call void @_ZN2vl11collections11IEnumerableINS_5regex10RegexTokenEED2Ev(ptr noundef nonnull align 8 dereferenceable(8) %43, ptr noundef %44) #3
  call void @_ZN2vl6ObjectD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %9) #3
  br label %45

45:                                               ; preds = %39
  %46 = load ptr, ptr %7, align 8
  %47 = load i32, ptr %8, align 4
  %48 = insertvalue { ptr, i32 } poison, ptr %46, 0
  %49 = insertvalue { ptr, i32 } %48, i32 %47, 1
  resume { ptr, i32 } %49
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2vl6ObjectD2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

attributes #0 = { inlinehint mustprogress 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 = { mustprogress 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 = { mustprogress 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 }

!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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !6, i64 16}
!12 = !{!"_ZTSN2vl5regex11RegexTokensE", !13, i64 0, !14, i64 8, !6, i64 16, !6, i64 24, !15, i64 32, !16, i64 80}
!13 = !{!"_ZTSN2vl6ObjectE"}
!14 = !{!"_ZTSN2vl11collections11IEnumerableINS_5regex10RegexTokenEEE"}
!15 = !{!"_ZTSN2vl12ObjectStringIwEE", !13, i64 0, !6, i64 8, !6, i64 16, !16, i64 24, !16, i64 32, !16, i64 40}
!16 = !{!"long", !7, i64 0}
!17 = !{!12, !6, i64 24}
!18 = !{!12, !16, i64 80}


; 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"

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN2vl6ObjectC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2vl12ObjectStringIwEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN2vl11collections11IEnumerableINS_5regex10RegexTokenEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN2vl5regex11RegexTokensC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(88) %0, ptr noundef %1, ptr noundef nonnull align 8 dereferenceable(88) %2) unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  tail call void @_ZN2vl6ObjectC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %0) #2
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  %5 = getelementptr inbounds i8, ptr %1, i64 8
  tail call void @_ZN2vl11collections11IEnumerableINS_5regex10RegexTokenEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull %5) #2
  %6 = load ptr, ptr %1, align 8
  store ptr %6, ptr %0, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %1, i64 24
  %8 = load ptr, ptr %7, align 8
  store ptr %8, ptr %4, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %1, i64 32
  %10 = load ptr, ptr %9, align 8
  %11 = getelementptr i8, ptr %6, i64 -24
  %12 = load i64, ptr %11, align 8
  %13 = getelementptr inbounds i8, ptr %0, i64 %12
  store ptr %10, ptr %13, align 8, !tbaa !5
  %14 = getelementptr inbounds i8, ptr %0, i64 16
  %15 = getelementptr inbounds i8, ptr %2, i64 16
  %16 = load <2 x ptr>, ptr %15, align 8, !tbaa !8
  store <2 x ptr> %16, ptr %14, align 8, !tbaa !8
  %17 = getelementptr inbounds i8, ptr %0, i64 32
  %18 = getelementptr inbounds i8, ptr %2, i64 32
  tail call void @_ZN2vl12ObjectStringIwEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(48) %17, ptr noundef nonnull align 8 dereferenceable(48) %18)
  %19 = getelementptr inbounds i8, ptr %0, i64 80
  %20 = getelementptr inbounds i8, ptr %2, i64 80
  %21 = load i64, ptr %20, align 8, !tbaa !11
  store i64 %21, ptr %19, align 8, !tbaa !11
  ret void
}

attributes #0 = { inlinehint mustprogress 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 = { mustprogress 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, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"any pointer", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = !{!12, !16, i64 80}
!12 = !{!"_ZTSN2vl5regex11RegexTokensE", !13, i64 0, !14, i64 8, !9, i64 16, !9, i64 24, !15, i64 32, !16, i64 80}
!13 = !{!"_ZTSN2vl6ObjectE"}
!14 = !{!"_ZTSN2vl11collections11IEnumerableINS_5regex10RegexTokenEEE"}
!15 = !{!"_ZTSN2vl12ObjectStringIwEE", !13, i64 0, !9, i64 8, !9, i64 16, !16, i64 24, !16, i64 32, !16, i64 40}
!16 = !{!"long", !10, i64 0}


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