[llvm-commits] [llvm] r52421 - /llvm/trunk/lib/CodeGen/LowerSubregs.cpp

[Chris Lattner]

On Jun 17, 2008, at 12:24 PM, Evan Cheng wrote:

> Right. However, the current implementation separates SUBREG_TO_REG
> from INSERT_SUBREG. The later is allowed to be coalesced away, but not
> the former. For now, we'll use this distinction to determine whether
> it's possible to remove (what looks like) the identity copy.

Ok!

-chris