; LLVM IR from Optiroc/SuperFamiconv :: src/Palette.ll (ZNK3sfc10Subpalette6paddedEv)

; 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.sfc::Subpalette" = type { i32, i32, %"class.std::vector", %"class.std::set" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<unsigned int, unsigned int, std::_Identity<unsigned int>, std::less<unsigned int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<unsigned int, unsigned int, std::_Identity<unsigned int>, std::less<unsigned int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3sfc10Subpalette3addEjb(ptr noundef nonnull align 8 dereferenceable(80), i32 noundef, i1 noundef zeroext) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIjSaIjEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK3sfc10Subpalette6paddedEv(ptr dead_on_unwind noalias writable sret(%"struct.sfc::Subpalette") align 8 %0, ptr noundef nonnull align 8 dereferenceable(80) %1) #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i1, align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  %8 = load ptr, ptr %4, align 8
  store i1 false, ptr %5, align 1
  call void @_ZN3sfc10SubpaletteC2ERKS0_(ptr noundef nonnull align 8 dereferenceable(80) %0, ptr noundef nonnull align 8 dereferenceable(80) %8)
  br label %9

9:                                                ; preds = %17, %2
  %10 = getelementptr inbounds %"struct.sfc::Subpalette", ptr %0, i32 0, i32 2
  %11 = call noundef i64 @_ZNKSt6vectorIjSaIjEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #4
  %12 = getelementptr inbounds %"struct.sfc::Subpalette", ptr %0, i32 0, i32 1
  %13 = load i32, ptr %12, align 4, !tbaa !9
  %14 = zext i32 %13 to i64
  %15 = icmp ult i64 %11, %14
  br i1 %15, label %16, label %22

16:                                               ; preds = %9
  invoke void @_ZN3sfc10Subpalette3addEjb(ptr noundef nonnull align 8 dereferenceable(80) %0, i32 noundef 0, i1 noundef zeroext true)
          to label %17 unwind label %18

17:                                               ; preds = %16
  br label %9, !llvm.loop !26

18:                                               ; preds = %16
  %19 = landingpad { ptr, i32 }
          cleanup
  %20 = extractvalue { ptr, i32 } %19, 0
  store ptr %20, ptr %6, align 8
  %21 = extractvalue { ptr, i32 } %19, 1
  store i32 %21, ptr %7, align 4
  call void @_ZN3sfc10SubpaletteD2Ev(ptr noundef nonnull align 8 dereferenceable(80) %0) #4
  br label %26

22:                                               ; preds = %9
  store i1 true, ptr %5, align 1
  %23 = load i1, ptr %5, align 1
  br i1 %23, label %25, label %24

24:                                               ; preds = %22
  call void @_ZN3sfc10SubpaletteD2Ev(ptr noundef nonnull align 8 dereferenceable(80) %0) #4
  br label %25

25:                                               ; preds = %24, %22
  ret void

26:                                               ; preds = %18
  %27 = load ptr, ptr %6, align 8
  %28 = load i32, ptr %7, align 4
  %29 = insertvalue { ptr, i32 } poison, ptr %27, 0
  %30 = insertvalue { ptr, i32 } %29, i32 %28, 1
  resume { ptr, i32 } %30
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN3sfc10SubpaletteC2ERKS0_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN3sfc10SubpaletteD2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

attributes #0 = { 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 #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 = { inlinehint 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 = { 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 #4 = { 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, !12, i64 4}
!10 = !{!"_ZTSN3sfc10SubpaletteE", !11, i64 0, !12, i64 4, !13, i64 8, !17, i64 32}
!11 = !{!"_ZTSN3sfc4ModeE", !7, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!"_ZTSSt6vectorIjSaIjEE", !14, i64 0}
!14 = !{!"_ZTSSt12_Vector_baseIjSaIjEE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseIjSaIjEE12_Vector_implE", !16, i64 0}
!16 = !{!"_ZTSNSt12_Vector_baseIjSaIjEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!17 = !{!"_ZTSSt3setIjSt4lessIjESaIjEE", !18, i64 0}
!18 = !{!"_ZTSSt8_Rb_treeIjjSt9_IdentityIjESt4lessIjESaIjEE", !19, i64 0}
!19 = !{!"_ZTSNSt8_Rb_treeIjjSt9_IdentityIjESt4lessIjESaIjEE13_Rb_tree_implIS3_Lb1EEE", !20, i64 0, !22, i64 8}
!20 = !{!"_ZTSSt20_Rb_tree_key_compareISt4lessIjEE", !21, i64 0}
!21 = !{!"_ZTSSt4lessIjE"}
!22 = !{!"_ZTSSt15_Rb_tree_header", !23, i64 0, !25, i64 32}
!23 = !{!"_ZTSSt18_Rb_tree_node_base", !24, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!24 = !{!"_ZTSSt14_Rb_tree_color", !7, i64 0}
!25 = !{!"long", !7, i64 0}
!26 = distinct !{!26, !27}
!27 = !{!"llvm.loop.mustprogress"}


; 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.sfc::Subpalette" = type { i32, i32, %"class.std::vector", %"class.std::set" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned int, std::allocator<unsigned int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<unsigned int, unsigned int, std::_Identity<unsigned int>, std::less<unsigned int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<unsigned int, unsigned int, std::_Identity<unsigned int>, std::less<unsigned int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3sfc10Subpalette3addEjb(ptr noundef nonnull align 8 dereferenceable(80), i32 noundef, i1 noundef zeroext) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIjSaIjEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK3sfc10Subpalette6paddedEv(ptr dead_on_unwind noalias nonnull writable sret(%"struct.sfc::Subpalette") align 8 %0, ptr noundef nonnull align 8 dereferenceable(80) %1) local_unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  tail call void @_ZN3sfc10SubpaletteC2ERKS0_(ptr noundef nonnull align 8 dereferenceable(80) %0, ptr noundef nonnull align 8 dereferenceable(80) %1)
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = getelementptr inbounds i8, ptr %0, i64 4
  br label %5

5:                                                ; preds = %10, %2
  %6 = tail call noundef i64 @_ZNKSt6vectorIjSaIjEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  %7 = load i32, ptr %4, align 4, !tbaa !5
  %8 = zext i32 %7 to i64
  %9 = icmp ult i64 %6, %8
  br i1 %9, label %10, label %13

10:                                               ; preds = %5
  invoke void @_ZN3sfc10Subpalette3addEjb(ptr noundef nonnull align 8 dereferenceable(80) %0, i32 noundef 0, i1 noundef zeroext true)
          to label %5 unwind label %11, !llvm.loop !25

11:                                               ; preds = %10
  %12 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZN3sfc10SubpaletteD2Ev(ptr noundef nonnull align 8 dereferenceable(80) %0) #4
  resume { ptr, i32 } %12

13:                                               ; preds = %5
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN3sfc10SubpaletteC2ERKS0_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN3sfc10SubpaletteD2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

attributes #0 = { 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 #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 = { inlinehint 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 = { 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 #4 = { 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, !10, i64 4}
!6 = !{!"_ZTSN3sfc10SubpaletteE", !7, i64 0, !10, i64 4, !11, i64 8, !16, i64 32}
!7 = !{!"_ZTSN3sfc4ModeE", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"_ZTSSt6vectorIjSaIjEE", !12, i64 0}
!12 = !{!"_ZTSSt12_Vector_baseIjSaIjEE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseIjSaIjEE12_Vector_implE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseIjSaIjEE17_Vector_impl_dataE", !15, i64 0, !15, i64 8, !15, i64 16}
!15 = !{!"any pointer", !8, i64 0}
!16 = !{!"_ZTSSt3setIjSt4lessIjESaIjEE", !17, i64 0}
!17 = !{!"_ZTSSt8_Rb_treeIjjSt9_IdentityIjESt4lessIjESaIjEE", !18, i64 0}
!18 = !{!"_ZTSNSt8_Rb_treeIjjSt9_IdentityIjESt4lessIjESaIjEE13_Rb_tree_implIS3_Lb1EEE", !19, i64 0, !21, i64 8}
!19 = !{!"_ZTSSt20_Rb_tree_key_compareISt4lessIjEE", !20, i64 0}
!20 = !{!"_ZTSSt4lessIjE"}
!21 = !{!"_ZTSSt15_Rb_tree_header", !22, i64 0, !24, i64 32}
!22 = !{!"_ZTSSt18_Rb_tree_node_base", !23, i64 0, !15, i64 8, !15, i64 16, !15, i64 24}
!23 = !{!"_ZTSSt14_Rb_tree_color", !8, i64 0}
!24 = !{!"long", !8, i64 0}
!25 = distinct !{!25, !26}
!26 = !{!"llvm.loop.mustprogress"}


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