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16 Commits

Author SHA1 Message Date
John McCall 424cec97bd Change QualType::getTypePtr() to return a const pointer, then change a 
thousand other things which were (generally inadvertantly) relying on that.

llvm-svn: 123814
 2011-01-19 06:33:43 +00:00
Peter Collingbourne 0ff0b37627 Move name mangling support from CodeGen to AST. In the 
process, perform a number of refactorings:

- Move MiscNameMangler member functions to MangleContext
- Remove GlobalDecl dependency from MangleContext
- Make MangleContext abstract and move Itanium/Microsoft functionality
  to their own classes/files
- Implement ASTContext::createMangleContext and have CodeGen use it

No (intended) functionality change.

llvm-svn: 123386
 2011-01-13 18:57:25 +00:00
Dan Gohman c2897692c3 Implement CodeGen support for the may_alias attribute. 
llvm-svn: 121734
 2010-12-13 23:51:08 +00:00
Dan Gohman dc2c4db598 Add infrastructure for emitting TBAA metadata with the "constant" flag. 
llvm-svn: 117328
 2010-10-25 23:51:23 +00:00
Dan Gohman 7dfd13c167 Factor out the code for creating the Root and Char nodes, so that 
they can be used outside of the main getTBAAInfo function.

llvm-svn: 117320
 2010-10-25 21:48:30 +00:00
Dan Gohman 2bb62c3d2b Rename clang's TBAA tree root from "experimental" to "simple". 
llvm-svn: 117046
 2010-10-21 18:50:04 +00:00
Dan Gohman 5419ce6827 Add some more comments. 
llvm-svn: 117043
 2010-10-21 18:49:12 +00:00
Dan Gohman f47df3e02a Mention the paragraphs in the standards which sanction TBAA. 
llvm-svn: 116617
 2010-10-15 20:54:41 +00:00
Dan Gohman c44fd6486e Use a different name for pointer types in tbaa, to be a little 
more consistent with other names, and to look less like a magic name.

llvm-svn: 116616
 2010-10-15 20:26:20 +00:00
Dan Gohman 2d0a3c7b8c Add a comment. 
llvm-svn: 116615
 2010-10-15 20:24:53 +00:00
Dan Gohman 4a3b1b3ef4 Fix a typo in a comment Frits van Bommel spotted. 
llvm-svn: 116614
 2010-10-15 20:24:10 +00:00
Dan Gohman 2e29eb5a4b Experimental TBAA support for enum types. 
llvm-svn: 116613
 2010-10-15 20:23:12 +00:00
Dan Gohman f5c5e0773e Add a comment about odd "signed char" incompatibility between C++ and C. 
llvm-svn: 116593
 2010-10-15 17:52:03 +00:00
Dan Gohman d65c196439 Add a TBAA type for pointer types. 
llvm-svn: 116544
 2010-10-15 00:01:39 +00:00
Dan Gohman 3f1cf0f373 Unsigned types are TBAA-compatible with their signed counterparts. 
Also, handle unknown types conservatively.

llvm-svn: 116541
 2010-10-14 23:39:00 +00:00
Dan Gohman 947c9af774 Experimental TBAA support. 
This enables metadata generation by default, however the TBAA pass
in the optimizer is still disabled for now.

llvm-svn: 116536
 2010-10-14 23:06:10 +00:00