; LLVM IR from napulen/justkeydding :: src/key.ll (ZNK12justkeydding3Key14getParallelKeyEv)

; 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.justkeydding::Key" = type { i32, %"class.std::__cxx11::basic_string", %"class.std::map", [24 x %"class.std::__cxx11::basic_string"] }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, int>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, int>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, int>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, int>>, std::less<std::__cxx11::basic_string<char>>>::_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: 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: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK12justkeydding3Key10isMajorKeyEv(ptr noundef nonnull align 8 dereferenceable(856)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK12justkeydding3Key14getParallelKeyEv(ptr dead_on_unwind noalias writable sret(%"class.justkeydding::Key") align 8 %0, ptr noundef nonnull align 8 dereferenceable(856) %1) #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  %7 = getelementptr inbounds %"class.justkeydding::Key", ptr %6, i32 0, i32 0
  %8 = load i32, ptr %7, align 8, !tbaa !9
  store i32 %8, ptr %5, align 4, !tbaa !23
  %9 = call noundef zeroext i1 @_ZNK12justkeydding3Key10isMajorKeyEv(ptr noundef nonnull align 8 dereferenceable(856) %6)
  br i1 %9, label %10, label %13

10:                                               ; preds = %2
  %11 = load i32, ptr %5, align 4, !tbaa !23
  %12 = add nsw i32 %11, 12
  store i32 %12, ptr %5, align 4, !tbaa !23
  br label %16

13:                                               ; preds = %2
  %14 = load i32, ptr %5, align 4, !tbaa !23
  %15 = sub nsw i32 %14, 12
  store i32 %15, ptr %5, align 4, !tbaa !23
  br label %16

16:                                               ; preds = %13, %10
  %17 = load i32, ptr %5, align 4, !tbaa !23
  call void @_ZN12justkeydding3KeyC1Ei(ptr noundef nonnull align 8 dereferenceable(856) %0, i32 noundef %17)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  ret void
}

declare void @_ZN12justkeydding3KeyC1Ei(ptr, i32)

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !11, i64 0}
!10 = !{!"_ZTSN12justkeydding3KeyE", !11, i64 0, !12, i64 8, !15, i64 40, !7, i64 88}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !13, i64 0, !14, i64 8, !7, i64 16}
!13 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!14 = !{!"long", !7, i64 0}
!15 = !{!"_ZTSSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4lessIS5_ESaISt4pairIKS5_iEEE", !16, i64 0}
!16 = !{!"_ZTSSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_iESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE", !17, i64 0}
!17 = !{!"_ZTSNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_iESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE13_Rb_tree_implISC_Lb1EEE", !18, i64 0, !20, i64 8}
!18 = !{!"_ZTSSt20_Rb_tree_key_compareISt4lessINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEE", !19, i64 0}
!19 = !{!"_ZTSSt4lessINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE"}
!20 = !{!"_ZTSSt15_Rb_tree_header", !21, i64 0, !14, i64 32}
!21 = !{!"_ZTSSt18_Rb_tree_node_base", !22, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!22 = !{!"_ZTSSt14_Rb_tree_color", !7, i64 0}
!23 = !{!11, !11, 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"

%"class.justkeydding::Key" = type { i32, %"class.std::__cxx11::basic_string", %"class.std::map", [24 x %"class.std::__cxx11::basic_string"] }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, int>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, int>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, int>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, int>>, std::less<std::__cxx11::basic_string<char>>>::_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 nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK12justkeydding3Key10isMajorKeyEv(ptr noundef nonnull align 8 dereferenceable(856)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK12justkeydding3Key14getParallelKeyEv(ptr dead_on_unwind noalias writable sret(%"class.justkeydding::Key") align 8 %0, ptr noundef nonnull align 8 dereferenceable(856) %1) local_unnamed_addr #1 align 2 {
  %3 = load i32, ptr %1, align 8, !tbaa !5
  %4 = tail call noundef zeroext i1 @_ZNK12justkeydding3Key10isMajorKeyEv(ptr noundef nonnull align 8 dereferenceable(856) %1)
  %.0.v = select i1 %4, i32 12, i32 -12
  %.0 = add nsw i32 %.0.v, %3
  tail call void @_ZN12justkeydding3KeyC1Ei(ptr noundef nonnull align 8 dereferenceable(856) %0, i32 noundef %.0)
  ret void
}

declare void @_ZN12justkeydding3KeyC1Ei(ptr, i32) local_unnamed_addr

attributes #0 = { 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 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 0}
!6 = !{!"_ZTSN12justkeydding3KeyE", !7, i64 0, !10, i64 8, !14, i64 40, !8, i64 88}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !11, i64 0, !13, i64 8, !8, i64 16}
!11 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !12, i64 0}
!12 = !{!"any pointer", !8, i64 0}
!13 = !{!"long", !8, i64 0}
!14 = !{!"_ZTSSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4lessIS5_ESaISt4pairIKS5_iEEE", !15, i64 0}
!15 = !{!"_ZTSSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_iESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE", !16, i64 0}
!16 = !{!"_ZTSNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_iESt10_Select1stIS8_ESt4lessIS5_ESaIS8_EE13_Rb_tree_implISC_Lb1EEE", !17, i64 0, !19, i64 8}
!17 = !{!"_ZTSSt20_Rb_tree_key_compareISt4lessINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEE", !18, i64 0}
!18 = !{!"_ZTSSt4lessINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE"}
!19 = !{!"_ZTSSt15_Rb_tree_header", !20, i64 0, !13, i64 32}
!20 = !{!"_ZTSSt18_Rb_tree_node_base", !21, i64 0, !12, i64 8, !12, i64 16, !12, i64 24}
!21 = !{!"_ZTSSt14_Rb_tree_color", !8, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass