[PATCH] Serialize the floating point immediate machine operands.

[Duncan P. N. Exon Smith]

> On 2015-Jul-30, at 17:41, Alex L <arphaman at gmail.com> wrote:
> 
> The updated patch below uses the 'parseConstantValue' function from the AsmParser
> to parse the floating point constants. This radically simplifies the parsing of floating
> point machine operands for the MI parser.
> Also, the updated patch can now handle all the floating point types.
> 
> Cheers,
> Alex
> 
> <0001-MIR-Serialization-Serialize-the-floating-point-opera.patch>

Looks much better.

We usually try to minimize which testcases need debug info.  Do
you really need it here?  If you just need to exercise `DBG_VALUE`
with a float, can you put that in a debug-info-specific test (and
then strip the debug info out of the others)?