; LLVM IR from lfarcaro/ARINC653_ARMV7A_AM335X :: Hardware (raster)

; 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: 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

; Function Attrs: nounwind uwtable
define dso_local void @RasterIntEnable(i32 noundef %0, i32 noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 0, ptr %5, align 4, !tbaa !5
  %6 = call i32 @LCDVersionGet()
  store i32 %6, ptr %5, align 4, !tbaa !5
  %7 = load i32, ptr %5, align 4, !tbaa !5
  %8 = icmp eq i32 2, %7
  br i1 %8, label %9, label %17

9:                                                ; preds = %2
  %10 = load i32, ptr %4, align 4, !tbaa !5
  %11 = load i32, ptr %3, align 4, !tbaa !5
  %12 = add i32 %11, 96
  %13 = zext i32 %12 to i64
  %14 = inttoptr i64 %13 to ptr
  %15 = load volatile i32, ptr %14, align 4, !tbaa !5
  %16 = or i32 %15, %10
  store volatile i32 %16, ptr %14, align 4, !tbaa !5
  br label %30

17:                                               ; preds = %2
  %18 = load i32, ptr %5, align 4, !tbaa !5
  %19 = icmp eq i32 1, %18
  br i1 %19, label %20, label %28

20:                                               ; preds = %17
  %21 = load i32, ptr %4, align 4, !tbaa !5
  %22 = load i32, ptr %3, align 4, !tbaa !5
  %23 = add i32 %22, 40
  %24 = zext i32 %23 to i64
  %25 = inttoptr i64 %24 to ptr
  %26 = load volatile i32, ptr %25, align 4, !tbaa !5
  %27 = or i32 %26, %21
  store volatile i32 %27, ptr %25, align 4, !tbaa !5
  br label %29

28:                                               ; preds = %17
  br label %29

29:                                               ; preds = %28, %20
  br label %30

30:                                               ; preds = %29, %9
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  ret void
}

declare i32 @LCDVersionGet() #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { "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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; 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: nounwind uwtable
define dso_local void @RasterIntEnable(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = tail call i32 @LCDVersionGet() #2
  switch i32 %3, label %10 [
    i32 2, label %.sink.split
    i32 1, label %4
  ]

4:                                                ; preds = %2
  br label %.sink.split

.sink.split:                                      ; preds = %2, %4
  %.sink9 = phi i32 [ 40, %4 ], [ 96, %2 ]
  %5 = add i32 %.sink9, %0
  %6 = zext i32 %5 to i64
  %7 = inttoptr i64 %6 to ptr
  %8 = load volatile i32, ptr %7, align 4, !tbaa !5
  %9 = or i32 %8, %1
  store volatile i32 %9, ptr %7, align 4, !tbaa !5
  br label %10

10:                                               ; preds = %.sink.split, %2
  ret void
}

declare i32 @LCDVersionGet() local_unnamed_addr #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 = { "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, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass