; LLVM IR from libtcod/libtcod :: src/libtcod/console_.ll (ZNK11TCODConsole20getDefaultBackgroundEv)

; 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.TCODColor = type { i8, i8, i8 }
%struct.TCOD_ColorRGB = type { i8, i8, i8 }
%class.TCODConsole = type { %"class.std::unique_ptr" }
%"class.std::unique_ptr" = type { %"struct.std::__uniq_ptr_data" }
%"struct.std::__uniq_ptr_data" = type { %"class.std::__uniq_ptr_impl" }
%"class.std::__uniq_ptr_impl" = type { %"class.std::tuple" }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Head_base.1" }
%"struct.std::_Head_base.1" = type { ptr }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrI12TCOD_ConsoleN4tcod14ConsoleDeleterEE3getEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local i24 @_ZNK11TCODConsole20getDefaultBackgroundEv(ptr noundef nonnull align 8 dereferenceable(8) %0) #3 align 2 {
  %2 = alloca %class.TCODColor, align 1
  %3 = alloca ptr, align 8
  %4 = alloca %struct.TCOD_ColorRGB, align 1
  %5 = alloca i24, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 3, ptr %4) #5
  %7 = getelementptr inbounds %class.TCODConsole, ptr %6, i32 0, i32 0
  %8 = call noundef ptr @_ZNKSt10unique_ptrI12TCOD_ConsoleN4tcod14ConsoleDeleterEE3getEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  %9 = call i24 @TCOD_console_get_default_background(ptr noundef %8)
  store i24 %9, ptr %4, align 1
  call void @_ZN9TCODColorC2Ev(ptr noundef nonnull align 1 dereferenceable(3) %2) #5
  %10 = getelementptr inbounds %struct.TCOD_ColorRGB, ptr %4, i32 0, i32 0
  %11 = load i8, ptr %10, align 1, !tbaa !9
  %12 = getelementptr inbounds %class.TCODColor, ptr %2, i32 0, i32 0
  store i8 %11, ptr %12, align 1, !tbaa !11
  %13 = getelementptr inbounds %struct.TCOD_ColorRGB, ptr %4, i32 0, i32 1
  %14 = load i8, ptr %13, align 1, !tbaa !13
  %15 = getelementptr inbounds %class.TCODColor, ptr %2, i32 0, i32 1
  store i8 %14, ptr %15, align 1, !tbaa !14
  %16 = getelementptr inbounds %struct.TCOD_ColorRGB, ptr %4, i32 0, i32 2
  %17 = load i8, ptr %16, align 1, !tbaa !15
  %18 = getelementptr inbounds %class.TCODColor, ptr %2, i32 0, i32 2
  store i8 %17, ptr %18, align 1, !tbaa !16
  call void @llvm.lifetime.end.p0(i64 3, ptr %4) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %5, ptr align 1 %2, i64 3, i1 false)
  %19 = load i24, ptr %5, align 4
  ret i24 %19
}

declare i24 @TCOD_console_get_default_background(ptr noundef) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9TCODColorC2Ev(ptr noundef nonnull align 1 dereferenceable(3)) 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { "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 #5 = { 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, !7, i64 0}
!10 = !{!"_ZTS13TCOD_ColorRGB", !7, i64 0, !7, i64 1, !7, i64 2}
!11 = !{!12, !7, i64 0}
!12 = !{!"_ZTS9TCODColor", !7, i64 0, !7, i64 1, !7, i64 2}
!13 = !{!10, !7, i64 1}
!14 = !{!12, !7, i64 1}
!15 = !{!10, !7, i64 2}
!16 = !{!12, !7, i64 2}


; 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.TCODColor = type { i8, i8, i8 }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrI12TCOD_ConsoleN4tcod14ConsoleDeleterEE3getEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local i24 @_ZNK11TCODConsole20getDefaultBackgroundEv(ptr noundef nonnull align 8 dereferenceable(8) %0) local_unnamed_addr #1 align 2 {
  %2 = alloca %class.TCODColor, align 4
  %3 = tail call noundef ptr @_ZNKSt10unique_ptrI12TCOD_ConsoleN4tcod14ConsoleDeleterEE3getEv(ptr noundef nonnull align 8 dereferenceable(8) %0) #3
  %4 = tail call i24 @TCOD_console_get_default_background(ptr noundef %3)
  %.sroa.0.0.extract.trunc = trunc i24 %4 to i8
  %.sroa.4.0.extract.shift = lshr i24 %4, 8
  %.sroa.4.0.extract.trunc = trunc i24 %.sroa.4.0.extract.shift to i8
  %.sroa.5.0.extract.shift = lshr i24 %4, 16
  %.sroa.5.0.extract.trunc = trunc nuw i24 %.sroa.5.0.extract.shift to i8
  call void @_ZN9TCODColorC2Ev(ptr noundef nonnull align 1 dereferenceable(3) %2) #3
  store i8 %.sroa.0.0.extract.trunc, ptr %2, align 4, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %2, i64 1
  store i8 %.sroa.4.0.extract.trunc, ptr %5, align 1, !tbaa !9
  %6 = getelementptr inbounds i8, ptr %2, i64 2
  store i8 %.sroa.5.0.extract.trunc, ptr %6, align 2, !tbaa !10
  %.0.copyload = load i24, ptr %2, align 4
  ret i24 %.0.copyload
}

declare i24 @TCOD_console_get_default_background(ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9TCODColorC2Ev(ptr noundef nonnull align 1 dereferenceable(3)) 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 = { 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 #2 = { "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, !7, i64 0}
!6 = !{!"_ZTS9TCODColor", !7, i64 0, !7, i64 1, !7, i64 2}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!6, !7, i64 1}
!10 = !{!6, !7, i64 2}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,TailCallElimPass