; LLVM IR from libtcod/libtcod :: src/libtcod/console_.ll (ZNK11TCODConsole17getCharBackgroundEii)

; 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 nounwind uwtable
declare dso_local void @_ZN9TCODColorC2ERK13TCOD_ColorRGB(ptr noundef nonnull align 1 dereferenceable(3), ptr noundef nonnull align 1 dereferenceable(3)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local i24 @_ZNK11TCODConsole17getCharBackgroundEii(ptr noundef nonnull align 8 dereferenceable(8) %0, i32 noundef %1, i32 noundef %2) #3 align 2 {
  %4 = alloca %class.TCODColor, align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %struct.TCOD_ColorRGB, align 1
  %9 = alloca i24, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  %10 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 3, ptr %8) #5
  %11 = getelementptr inbounds %class.TCODConsole, ptr %10, i32 0, i32 0
  %12 = call noundef ptr @_ZNKSt10unique_ptrI12TCOD_ConsoleN4tcod14ConsoleDeleterEE3getEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #5
  %13 = load i32, ptr %6, align 4, !tbaa !9
  %14 = load i32, ptr %7, align 4, !tbaa !9
  %15 = call i24 @TCOD_console_get_char_background(ptr noundef %12, i32 noundef %13, i32 noundef %14)
  store i24 %15, ptr %8, align 1
  call void @_ZN9TCODColorC2ERK13TCOD_ColorRGB(ptr noundef nonnull align 1 dereferenceable(3) %4, ptr noundef nonnull align 1 dereferenceable(3) %8) #5
  call void @llvm.lifetime.end.p0(i64 3, ptr %8) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %9, ptr align 1 %4, i64 3, i1 false)
  %16 = load i24, ptr %9, align 4
  ret i24 %16
}

declare i24 @TCOD_console_get_char_background(ptr noundef, i32 noundef, i32 noundef) #4

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, !10, i64 0}
!10 = !{!"int", !7, 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.TCODColor = type { i8, i8, i8 }
%struct.TCOD_ColorRGB = 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9TCODColorC2ERK13TCOD_ColorRGB(ptr noundef nonnull align 1 dereferenceable(3), ptr noundef nonnull align 1 dereferenceable(3)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local i24 @_ZNK11TCODConsole17getCharBackgroundEii(ptr noundef nonnull align 8 dereferenceable(8) %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #2 align 2 {
  %4 = alloca %class.TCODColor, align 4
  %5 = alloca %struct.TCOD_ColorRGB, align 4
  call void @llvm.lifetime.start.p0(i64 3, ptr nonnull %5) #4
  %6 = tail call noundef ptr @_ZNKSt10unique_ptrI12TCOD_ConsoleN4tcod14ConsoleDeleterEE3getEv(ptr noundef nonnull align 8 dereferenceable(8) %0) #4
  %7 = tail call i24 @TCOD_console_get_char_background(ptr noundef %6, i32 noundef %1, i32 noundef %2)
  store i24 %7, ptr %5, align 4
  call void @_ZN9TCODColorC2ERK13TCOD_ColorRGB(ptr noundef nonnull align 1 dereferenceable(3) %4, ptr noundef nonnull align 1 dereferenceable(3) %5) #4
  call void @llvm.lifetime.end.p0(i64 3, ptr nonnull %5) #4
  %.0.copyload = load i24, ptr %4, align 4
  ret i24 %.0.copyload
}

declare i24 @TCOD_console_get_char_background(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #3

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


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