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12 Commits

Author SHA1 Message Date
David Majnemer 2dc8146643 Sema: Variable definitions cannot be __attribute__((alias)) 
Things that are OK:
  extern int var1 __attribute((alias("v1")));
  static int var2 __attribute((alias("v2")));

Things that are not OK:
  int var3 __attribute((alias("v3")));
  extern int var4 __attribute((alias("v4"))) = 4;

We choose to accpet:
  struct S { static int var5 __attribute((alias("v5"))); };

  This code causes assertion failues in GCC 4.8 and ICC 13.0.1, we have
  no reason to reject it.

This partially fixes PR22217.

llvm-svn: 226436
 2015-01-19 09:00:28 +00:00
Aaron Ballman 260995b86b Adding attributes to the IndirectFieldDecl that we generate for anonymous struct/union fields. This fixes PR20930. 
llvm-svn: 219807
 2014-10-15 16:58:18 +00:00
Hans Wennborg b0a8b4ac5f AST Dump: print the Inherited flag on attributes 
Also move the attribute-specific dumping to after dumping this and
the Implicit flag.

Differential Revision: http://reviews.llvm.org/D3971

llvm-svn: 209965
 2014-05-31 04:05:57 +00:00
Aaron Ballman e8d69b7fc9 Allow GNU-style attributes on lambda expressions. 
llvm-svn: 203628
 2014-03-12 00:01:07 +00:00
Aaron Ballman 5edfdc4f00 Adding a test case to ensure that type attributes applied to the decl-specifier are applied across all declarations in a group. 
llvm-svn: 202501
 2014-02-28 14:27:59 +00:00
Aaron Ballman bc909618f2 If an attribute has a semantically meaningful spelling (such as ArgumentWithTypeTagAttr or MSInheritanceAttr), display the spelling used for the attribute as part of the AST dump. This should ease debugging the AST for these attributes. Attributes without semantically meaningful spelling variations are not affected. 
llvm-svn: 199834
 2014-01-22 21:51:20 +00:00
Aaron Ballman 36a5350e51 Distinguish between attributes explicitly written at the request of the user, and attributes implicitly generated to assist in bookkeeping by the compiler. This is done so by table generating a CreateImplicit method for each attribute. 
Additionally, remove the optional nature of the spelling list index when creating attributes. This is supported by table generating a Spelling enumeration when the spellings for an attribute are distinct enough to warrant it.

llvm-svn: 199378
 2014-01-16 13:03:14 +00:00
Aaron Ballman 888e935978 Removing the alloc_size attribute. The attribute was semantically handled, but silently ignored. Most of this feature was already reverted in June 2012 (r159016), this just cleans up the pieces left over. 
llvm-svn: 197866
 2013-12-21 17:15:13 +00:00
Richard Smith a3e01cf822 PR8455: Handle an attribute between a goto label and a variable declaration per 
the GNU documentation: the attribute only appertains to the label if it is
followed by a semicolon. Based on a patch by Aaron Ballman!

llvm-svn: 194869
 2013-11-15 22:45:29 +00:00
Richard Trieu de5cc7d3d8 Add indents to AST dumping and removed parenthesis from AST nodes. 
Indents were given the color blue when outputting with color.
AST dumping now looks like this:

Node
|-Node
| `-Node
`-Node
  `-Node

Compared to the previous:

(Node
  (Node
    (Node))
  (Node
    (Node)))

llvm-svn: 174022
 2013-01-31 01:44:26 +00:00
Rafael Espindola fe95841630 add a triple 
llvm-svn: 171808
 2013-01-07 23:04:04 +00:00
Alexander Kornienko 5bc364eb05 Implement Attr dumping for -ast-dump. 
http://llvm-reviews.chandlerc.com/D234

Patch by Philip Craig!

llvm-svn: 171760
 2013-01-07 17:53:08 +00:00