; LLVM IR from drohmer/cgp :: library/cgp/15_input_devices/input_devices.ll (ZN3cgp26inputs_keyboard_parametersC2Ev)

; 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.cgp::inputs_keyboard_parameters" = type { i8, i8, i8, i8, i8, i8, %"struct.cgp::inputs_keyboard_last_action_parameter", %"class.std::set" }
%"struct.cgp::inputs_keyboard_last_action_parameter" = type { i32, i32 }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<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 nounwind uwtable
define dso_local void @_ZN3cgp26inputs_keyboard_parametersC2Ev(ptr noundef nonnull align 8 dereferenceable(64) %0) unnamed_addr #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %"struct.cgp::inputs_keyboard_parameters", ptr %3, i32 0, i32 0
  store i8 0, ptr %4, align 8, !tbaa !9
  %5 = getelementptr inbounds %"struct.cgp::inputs_keyboard_parameters", ptr %3, i32 0, i32 1
  store i8 0, ptr %5, align 1, !tbaa !23
  %6 = getelementptr inbounds %"struct.cgp::inputs_keyboard_parameters", ptr %3, i32 0, i32 2
  store i8 0, ptr %6, align 2, !tbaa !24
  %7 = getelementptr inbounds %"struct.cgp::inputs_keyboard_parameters", ptr %3, i32 0, i32 3
  store i8 0, ptr %7, align 1, !tbaa !25
  %8 = getelementptr inbounds %"struct.cgp::inputs_keyboard_parameters", ptr %3, i32 0, i32 4
  store i8 0, ptr %8, align 4, !tbaa !26
  %9 = getelementptr inbounds %"struct.cgp::inputs_keyboard_parameters", ptr %3, i32 0, i32 5
  store i8 0, ptr %9, align 1, !tbaa !27
  %10 = getelementptr inbounds %"struct.cgp::inputs_keyboard_parameters", ptr %3, i32 0, i32 6
  %11 = getelementptr inbounds %"struct.cgp::inputs_keyboard_parameters", ptr %3, i32 0, i32 7
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %11) #1
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #0 align 2

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 = { 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 = !{!"_ZTSN3cgp26inputs_keyboard_parametersE", !11, i64 0, !11, i64 1, !11, i64 2, !11, i64 3, !11, i64 4, !11, i64 5, !12, i64 8, !14, i64 16}
!11 = !{!"bool", !7, i64 0}
!12 = !{!"_ZTSN3cgp37inputs_keyboard_last_action_parameterE", !13, i64 0, !13, i64 4}
!13 = !{!"int", !7, i64 0}
!14 = !{!"_ZTSSt3setIiSt4lessIiESaIiEE", !15, i64 0}
!15 = !{!"_ZTSSt8_Rb_treeIiiSt9_IdentityIiESt4lessIiESaIiEE", !16, i64 0}
!16 = !{!"_ZTSNSt8_Rb_treeIiiSt9_IdentityIiESt4lessIiESaIiEE13_Rb_tree_implIS3_Lb1EEE", !17, i64 0, !19, i64 8}
!17 = !{!"_ZTSSt20_Rb_tree_key_compareISt4lessIiEE", !18, i64 0}
!18 = !{!"_ZTSSt4lessIiE"}
!19 = !{!"_ZTSSt15_Rb_tree_header", !20, i64 0, !22, i64 32}
!20 = !{!"_ZTSSt18_Rb_tree_node_base", !21, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!21 = !{!"_ZTSSt14_Rb_tree_color", !7, i64 0}
!22 = !{!"long", !7, i64 0}
!23 = !{!10, !11, i64 1}
!24 = !{!10, !11, i64 2}
!25 = !{!10, !11, i64 3}
!26 = !{!10, !11, i64 4}
!27 = !{!10, !11, i64 5}


; 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 nounwind uwtable
define dso_local void @_ZN3cgp26inputs_keyboard_parametersC2Ev(ptr noundef nonnull align 8 dereferenceable(64) %0) unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 16
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(6) %0, i8 0, i64 6, i1 false)
  tail call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #2
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #0 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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)"}


; Effective O3 passes: EarlyCSEPass,InstCombinePass,MemCpyOptPass,SROAPass,TailCallElimPass