[svn r285] Fixed D -> bool LLVM helper for floating point values. Changed the way D-style varargs are passed, now each param should be aligned to size_t.sizeof.

enum
{
    LLVMnone,
    LLVMintrinsic,
    LLVMva_arg,
    LLVMva_start,
    LLVMva_intrinsic,
    LLVMnotypeinfo,
    LLVMalloca
};