; LLVM IR from Stephane-D/SGDK :: src (pal)

; 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"

; Function Attrs: nounwind uwtable
define dso_local zeroext i16 @PAL_getColor(i16 noundef zeroext %0) #0 {
  %2 = alloca i16, align 2
  %3 = alloca i16, align 2
  store i16 %0, ptr %2, align 2, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 2, ptr %3) #2
  %4 = load i16, ptr %2, align 2, !tbaa !5
  %5 = zext i16 %4 to i32
  %6 = mul nsw i32 %5, 2
  %7 = trunc i32 %6 to i16
  store i16 %7, ptr %3, align 2, !tbaa !5
  %8 = load i16, ptr %3, align 2, !tbaa !5
  %9 = zext i16 %8 to i64
  %10 = and i64 %9, 127
  %11 = add i64 0, %10
  %12 = shl i64 %11, 16
  %13 = add i64 %12, 32
  store volatile i64 %13, ptr inttoptr (i64 12582916 to ptr), align 8, !tbaa !9
  %14 = load volatile i16, ptr inttoptr (i64 12582912 to ptr), align 2, !tbaa !5
  %15 = zext i16 %14 to i32
  %16 = and i32 %15, 3822
  %17 = trunc i32 %16 to i16
  call void @llvm.lifetime.end.p0(i64 2, ptr %3) #2
  ret i16 %17
}

; 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 nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 nosync nounwind willreturn memory(argmem: readwrite) }
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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"short", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !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"

; Function Attrs: nofree norecurse nounwind uwtable
define dso_local zeroext range(i16 0, 3823) i16 @PAL_getColor(i16 noundef zeroext %0) local_unnamed_addr #0 {
  %2 = shl i16 %0, 1
  %3 = and i16 %2, 126
  %4 = zext nneg i16 %3 to i64
  %5 = shl nuw nsw i64 %4, 16
  %6 = or disjoint i64 %5, 32
  store volatile i64 %6, ptr inttoptr (i64 12582916 to ptr), align 8, !tbaa !5
  %7 = load volatile i16, ptr inttoptr (i64 12582912 to ptr), align 4194304, !tbaa !9
  %8 = and i16 %7, 3822
  ret i16 %8
}

attributes #0 = { nofree norecurse 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" }

!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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"short", !7, i64 0}


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