[llvm-commits] [llvm] r132187 - /llvm/trunk/lib/Target/X86/X86RegisterInfo.td

[Jakob Stoklund Olesen]

On May 27, 2011, at 8:08 AM, Rafael Espindola wrote:

> Author: rafael
> Date: Fri May 27 10:08:24 2011
> New Revision: 132187
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=132187&view=rev
> Log:
> Remove dwarf numbers from subregs. We should use DW_OP_bit_piece to
> refer to them.

Rafael, doesn't this degrade our current debug info?

If a 16-bit variable lives in AX, will we now tell the debugger that we don't know where it is?

I don't object to using DW_OP_bit_piece, but shouldn't the code to do that be in place first?

/jakob