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Author SHA1 Message Date
Paul Robinson 080b1f3055 When attribute 'optnone' appears on the same declaration with a 
conflicting attribute, warn about the conflict and pick a "winning"
attribute to preserve, instead of emitting an error.  This matches the
behavior when the conflicting attributes are on different declarations.

Along the way I discovered that conflicts involving __forceinline were
reported as 'always_inline' (alternate spelling, same attribute) so
fixed that up to report the attribute as spelled in the source.

llvm-svn: 225813
 2015-01-13 18:34:56 +00:00
Paul Robinson 30e41fb4da Warn when attribute 'optnone' conflicts with attributes on a 
different declaration of the same function.

llvm-svn: 224256
 2014-12-15 18:57:28 +00:00
Paul Robinson aae2fba540 Diagnose attributes 'optnone' and 'minsize' on the same declaration. 
Eventually we'll diagnose them on different declarations, but let's
get this part out of the way first.

llvm-svn: 223985
 2014-12-10 23:34:36 +00:00
Paul Robinson 621b6d3bf7 Revert r223980 as it had wrong commit message. 
llvm-svn: 223984
 2014-12-10 23:32:57 +00:00
Paul Robinson 2936851426 Rename a couple of preprocessor symbols to be more descriptive. NFC. 
Review feedback from recent changes to GetSVN.cmake.

llvm-svn: 223980
 2014-12-10 23:12:37 +00:00
Paul Robinson f067435026 Implement the 'optnone' attribute, which suppresses most optimizations 
on a function.

llvm-svn: 205255
 2014-03-31 22:29:15 +00:00