view tests/mini/classinfo1.d @ 1210:3d4581761b4c

Add some alignment info where LLVM might otherwise be more pessimistic. In particular, %.nest_arg is always aligned even though it's bitcast from i8*. Pointers in vtables are also guaranteed to be stored at aligned addresses.
author Frits van Bommel <fvbommel wxs.nl>
date Sun, 12 Apr 2009 21:56:43 +0200
parents 1bb99290e03a
children
line wrap: on
line source

module classinfo1;

extern(C) int printf(char*, ...);

class NoPtrs
{
}

class HasPtrs
{
    void* p;
}

void main()
{
    {
    ClassInfo ci = NoPtrs.classinfo;
    char[] name = ci.name;
    printf("%.*s\n", name.length, name.ptr);
    assert(ci.name == "classinfo1.NoPtrs");
    assert(ci.flags & 2);
    }
    {
    ClassInfo ci = HasPtrs.classinfo;
    char[] name = ci.name;
    printf("%.*s\n", name.length, name.ptr);
    assert(ci.name == "classinfo1.HasPtrs");
    assert(!(ci.flags & 2));
    }
}