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4 Commits

Author SHA1 Message Date
Saleem Abdulrasool c066d9cf55 Basic: fix profiling with GNU EABI 
The GNU profiling support indicates that the interface is `_mcount` rather than
`mcount`.  Conditionalise the behaviour according to the `-meabi gnu` flag.

Resolves PR27311

llvm-svn: 266039
 2016-04-12 03:05:03 +00:00
Saleem Abdulrasool 2a0932fb45 Correct pg instrumentation for AArch64 
It seems that there was a miscommunication between Renato and I, and the
original behaviour of AArch64 was to be preserved and not to mirror the new
behaviour.  Restore the original behaviour for AArch64.  Addresses post-commit
review comments from Renato Golin.

llvm-svn: 265899
 2016-04-10 14:29:55 +00:00
Saleem Abdulrasool cb12255442 test: add additional tests for SVN r265888 
Add test cases for AArch64 as well as that was changed as part of that change.

llvm-svn: 265889
 2016-04-10 03:31:09 +00:00
Saleem Abdulrasool 9b5ba547f1 Add support for __gnu_mcount_nc as the pg interface 
This adds support to optionally support using `__gnu_mcount_nc` as the mcount
interface rather than `mcount` for Linux and EABI.  The other targets do not
provide an implementation for `__gnu_mcount_nc`.  This can be activated via the
`-meabi gnu` flag.

Resolves PR23969.

llvm-svn: 265888
 2016-04-10 03:19:47 +00:00