public Value BuildSizeOf(SSAType t, AST.Node contextNode, string name = null)
{
var np = new ConstPtr(new PointerType(t), 0);
var size = BuildGEP(np, contextNode, "size_of_trick", false, one_i32_v);
var result = BuildPtrToInt(size, Const.mm_t, contextNode, name);
Debug.Assert(result.isConst);
return(result);
}
public static Value Undefined(SSAType type)
{
if (type.kind == TypeKind.Integer)
{
var result = new ConstInt(type, 0);
result.flags |= SSAFlags.undef;
return(result);
}
else if (type.kind == TypeKind.Float || type.kind == TypeKind.Double)
{
var result = new ConstReal(type, 0);
result.flags |= SSAFlags.undef;
return(result);
}
else if (type.kind == TypeKind.Pointer)
{
var result = new ConstPtr(type, 0);
result.flags |= SSAFlags.undef;
return(result);
}
Debug.Assert(false);
return(null);
}
