; LLVM IR from libtcod/libtcod :: src/libtcod/console_.ll (ZN11TCODConsole7setFadeEhRK9TCODColor)

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

; 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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11TCODConsole7setFadeEhRK9TCODColor(i8 noundef zeroext %0, ptr noundef nonnull align 1 dereferenceable(3) %1) #2 align 2 {
  %3 = alloca i8, align 1
  %4 = alloca ptr, align 8
  %5 = alloca %struct.TCOD_ColorRGB, align 1
  %6 = alloca %struct.TCOD_ColorRGB, align 1
  %7 = alloca i24, align 4
  store i8 %0, ptr %3, align 1, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 3, ptr %5) #4
  %8 = getelementptr inbounds %struct.TCOD_ColorRGB, ptr %5, i32 0, i32 0
  %9 = load ptr, ptr %4, align 8, !tbaa !8
  %10 = getelementptr inbounds %class.TCODColor, ptr %9, i32 0, i32 0
  %11 = load i8, ptr %10, align 1, !tbaa !10
  store i8 %11, ptr %8, align 1, !tbaa !12
  %12 = getelementptr inbounds %struct.TCOD_ColorRGB, ptr %5, i32 0, i32 1
  %13 = load ptr, ptr %4, align 8, !tbaa !8
  %14 = getelementptr inbounds %class.TCODColor, ptr %13, i32 0, i32 1
  %15 = load i8, ptr %14, align 1, !tbaa !14
  store i8 %15, ptr %12, align 1, !tbaa !15
  %16 = getelementptr inbounds %struct.TCOD_ColorRGB, ptr %5, i32 0, i32 2
  %17 = load ptr, ptr %4, align 8, !tbaa !8
  %18 = getelementptr inbounds %class.TCODColor, ptr %17, i32 0, i32 2
  %19 = load i8, ptr %18, align 1, !tbaa !16
  store i8 %19, ptr %16, align 1, !tbaa !17
  %20 = load i8, ptr %3, align 1, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %6, ptr align 1 %5, i64 3, i1 false), !tbaa.struct !18
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %7, ptr align 1 %6, i64 3, i1 false)
  %21 = load i24, ptr %7, align 4
  call void @TCOD_console_set_fade(i8 noundef zeroext %20, i24 %21)
  call void @llvm.lifetime.end.p0(i64 3, ptr %5) #4
  ret void
}

declare void @TCOD_console_set_fade(i8 noundef zeroext, i24) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree 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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"any pointer", !6, i64 0}
!10 = !{!11, !6, i64 0}
!11 = !{!"_ZTS9TCODColor", !6, i64 0, !6, i64 1, !6, i64 2}
!12 = !{!13, !6, i64 0}
!13 = !{!"_ZTS13TCOD_ColorRGB", !6, i64 0, !6, i64 1, !6, i64 2}
!14 = !{!11, !6, i64 1}
!15 = !{!13, !6, i64 1}
!16 = !{!11, !6, i64 2}
!17 = !{!13, !6, i64 2}
!18 = !{i64 0, i64 1, !5, i64 1, i64 1, !5, i64 2, i64 1, !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 uwtable
define dso_local void @_ZN11TCODConsole7setFadeEhRK9TCODColor(i8 noundef zeroext %0, ptr nocapture noundef nonnull readonly align 1 dereferenceable(3) %1) local_unnamed_addr #0 align 2 {
  %3 = load i8, ptr %1, align 1, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %1, i64 1
  %5 = load i16, ptr %4, align 1
  %6 = zext i16 %5 to i24
  %7 = shl nuw i24 %6, 8
  %.sroa.01.0.insert.ext = zext i8 %3 to i24
  %.sroa.01.0.insert.insert = or disjoint i24 %7, %.sroa.01.0.insert.ext
  tail call void @TCOD_console_set_fade(i8 noundef zeroext %0, i24 %.sroa.01.0.insert.insert)
  ret void
}

declare void @TCOD_console_set_fade(i8 noundef zeroext, i24) local_unnamed_addr #1

attributes #0 = { 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 #1 = { "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 = !{!"_ZTS9TCODColor", !7, i64 0, !7, i64 1, !7, i64 2}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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