Andrew Trick 52363bdbeb Restore hasPostISelHook tblgen flag. ...

No functionality change. The hook makes it explicit which patterns
require "special" handling. i.e. it self-documents tblgen
deficiencies. I plan to add verification in ExpandISelPseudos and
Thumb2SizeReduce to catch any missing hasPostISelHooks. Otherwise it's
too fragile.

llvm-svn: 140160

2011-09-20 18:22:31 +00:00

11 KiB

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