[svn r261] Fixed debug info for integer and floating local variables, can now be inspected in GDB. Did a lot of smaller cleans up here and there. Replaced more llvm::Foo with LLFoo for common stuff. Split up tollvm.cpp.

module alignment;

align(1) struct S
{
    ubyte b;
    int i;
    ubyte[2] b2;
    long l;
    real r;
}

void main()
{
    byte b;
    short s;
    int i;
    long l;
    float f;
    double d;
    real r;
}