; LLVM IR from libtcod/libtcod :: src/libtcod (wrappers)

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

; Function Attrs: nounwind uwtable
define dso_local i24 @int_to_color(i32 noundef %0) #0 {
  %2 = alloca %struct.TCOD_ColorRGB, align 1
  %3 = alloca i32, align 4
  %4 = alloca i24, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  %5 = load i32, ptr %3, align 4, !tbaa !5
  %6 = and i32 %5, 255
  %7 = trunc i32 %6 to i8
  %8 = getelementptr inbounds %struct.TCOD_ColorRGB, ptr %2, i32 0, i32 0
  store i8 %7, ptr %8, align 1, !tbaa !9
  %9 = load i32, ptr %3, align 4, !tbaa !5
  %10 = lshr i32 %9, 8
  %11 = and i32 %10, 255
  %12 = trunc i32 %11 to i8
  %13 = getelementptr inbounds %struct.TCOD_ColorRGB, ptr %2, i32 0, i32 1
  store i8 %12, ptr %13, align 1, !tbaa !11
  %14 = load i32, ptr %3, align 4, !tbaa !5
  %15 = lshr i32 %14, 16
  %16 = and i32 %15, 255
  %17 = trunc i32 %16 to i8
  %18 = getelementptr inbounds %struct.TCOD_ColorRGB, ptr %2, i32 0, i32 2
  store i8 %17, ptr %18, align 1, !tbaa !12
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %4, ptr align 1 %2, i64 3, i1 false)
  %19 = load i24, ptr %4, align 4
  ret i24 %19
}

; 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) #1

attributes #0 = { 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: readwrite) }

!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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !7, i64 0}
!10 = !{!"TCOD_ColorRGB", !7, i64 0, !7, i64 1, !7, i64 2}
!11 = !{!10, !7, i64 1}
!12 = !{!10, !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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local noundef i24 @int_to_color(i32 noundef %0) local_unnamed_addr #0 {
  %2 = trunc i32 %0 to i24
  ret i24 %2
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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)"}


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