[PATCH] [X86] Refactored stack memory folding tests to explicitly force register spilling

[Simon Pilgrim]

Thanks Michael, I'll start adding the missing tests quite quickly now, along with fixes for instructions that don't currently fold.

Interestingly, phabricator didn't appear to recognise your 'LGTM.' reply - does it not like trailing fullstops?


REPOSITORY
  rL LLVM

http://reviews.llvm.org/D6932

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