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

; 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.TileSet = type { i16, i16, ptr }

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

declare ptr @MEM_alloc(i16 noundef zeroext) #1

; Function Attrs: nounwind uwtable
define dso_local ptr @allocateTileSetEx(i16 noundef zeroext %0) #2 {
  %2 = alloca i16, align 2
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store i16 %0, ptr %2, align 2, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %5 = load i16, ptr %2, align 2, !tbaa !5
  %6 = zext i16 %5 to i32
  %7 = mul nsw i32 %6, 32
  %8 = sext i32 %7 to i64
  %9 = add i64 %8, 16
  %10 = trunc i64 %9 to i16
  %11 = call ptr @MEM_alloc(i16 noundef zeroext %10)
  store ptr %11, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %12 = load ptr, ptr %3, align 8, !tbaa !9
  store ptr %12, ptr %4, align 8, !tbaa !9
  %13 = load ptr, ptr %4, align 8, !tbaa !9
  %14 = icmp ne ptr %13, null
  br i1 %14, label %15, label %25

15:                                               ; preds = %1
  %16 = load ptr, ptr %4, align 8, !tbaa !9
  %17 = getelementptr inbounds %struct.TileSet, ptr %16, i32 0, i32 0
  store i16 0, ptr %17, align 8, !tbaa !11
  %18 = load ptr, ptr %3, align 8, !tbaa !9
  %19 = getelementptr inbounds i8, ptr %18, i64 16
  %20 = load ptr, ptr %4, align 8, !tbaa !9
  %21 = getelementptr inbounds %struct.TileSet, ptr %20, i32 0, i32 2
  store ptr %19, ptr %21, align 8, !tbaa !13
  %22 = load i16, ptr %2, align 2, !tbaa !5
  %23 = load ptr, ptr %4, align 8, !tbaa !9
  %24 = getelementptr inbounds %struct.TileSet, ptr %23, i32 0, i32 1
  store i16 %22, ptr %24, align 2, !tbaa !14
  br label %25

25:                                               ; preds = %15, %1
  %26 = load ptr, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret ptr %26
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
attributes #2 = { 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 #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, !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 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"", !6, i64 0, !6, i64 2, !10, i64 8}
!13 = !{!12, !10, i64 8}
!14 = !{!12, !6, 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"

declare ptr @MEM_alloc(i16 noundef zeroext) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local ptr @allocateTileSetEx(i16 noundef zeroext %0) local_unnamed_addr #1 {
  %2 = shl i16 %0, 5
  %3 = or disjoint i16 %2, 16
  %4 = tail call ptr @MEM_alloc(i16 noundef zeroext %3) #2
  %.not = icmp eq ptr %4, null
  br i1 %.not, label %9, label %5

5:                                                ; preds = %1
  store i16 0, ptr %4, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %4, i64 16
  %7 = getelementptr inbounds i8, ptr %4, i64 8
  store ptr %6, ptr %7, align 8, !tbaa !11
  %8 = getelementptr inbounds i8, ptr %4, i64 2
  store i16 %0, ptr %8, align 2, !tbaa !12
  br label %9

9:                                                ; preds = %5, %1
  ret ptr %4
}

attributes #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 = { 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 #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, !7, i64 0}
!6 = !{!"", !7, i64 0, !7, i64 2, !10, i64 8}
!7 = !{!"short", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 8}
!12 = !{!6, !7, i64 2}


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