[PATCH] [DebugInfo] Add debug locations to constant SD nodes continued

[Sergey Dmitrouk]

On Fri, May 08, 2015 at 02:03:20PM -0700, David Blaikie wrote:
>    OK - can we assert on one side, perhaps? *shrug* Anyway, whatever
>    works/suits.

Looks like 12 of 13 calls that pass DebugLoc(), are those that know their
opcodes (not Constant/ConstantFP).  So you are right, we can have
two-argument overload with an assert.