[PATCH] [ARM] Keep track of previous changes to the bit pattern stored HW_FP

[Renato Golin]

In http://reviews.llvm.org/D10395#187995, @rs wrote:

> Can you explain in more detail how I can check for this internal bug using CHECK-DAG?


I'm assuming this is the target features, that normally come in the format:

  +foo,-bar,+baz

or

  -target-feature +foo -target-feature -bar -target-feature +baz

Either case, if you use:

  CHECK-DAG: +foo
  CHECK-DAG: -bar
  CHECK-DAG: +baz

They could come in any order and it would still match.


http://reviews.llvm.org/D10395

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