public void SliceMem0()
{
var s = new Slice(PrimitiveType.Word16,
new MemoryAccess(MemoryIdentifier.GlobalMemory,
new Identifier("ptr", PrimitiveType.Word32, null), PrimitiveType.Word32), 0);
var r = new SliceMem_Rule();
Assert.IsTrue(r.Match(s));
var e = r.Transform();
Assert.AreEqual("Mem0[ptr + 0x00000000:word16]", e.ToString());
}
public virtual Expression VisitSlice(Slice slice)
{
slice.Expression = slice.Expression.Accept(this);
if (sliceConst.Match(slice))
{
Changed = true;
return(sliceConst.Transform());
}
if (sliceMem.Match(slice))
{
Changed = true;
return(sliceMem.Transform());
}
// (slice (shl e n) n) ==> e
if (sliceShift.Match(slice))
{
Changed = true;
return(sliceShift.Transform());
}
return(slice);
}
public virtual Expression VisitSlice(Slice slice)
{
var e = slice.Expression.Accept(this);
slice = new Slice(slice.DataType, e, slice.Offset);
if (sliceConst.Match(slice))
{
Changed = true;
return(sliceConst.Transform());
}
if (sliceMem.Match(slice))
{
Changed = true;
return(sliceMem.Transform());
}
// (slice (shl e n) n) ==> e
if (sliceShift.Match(slice))
{
Changed = true;
return(sliceShift.Transform());
}
return(slice);
}
