[PATCH] D32210: [Sema][ObjC] Add support for attribute "noescape"

[Akira Hatanaka via Phabricator via cfe-commits]

ahatanak updated this revision to Diff 109814.
ahatanak added a comment.

Include noescape attribute information in the function prototype and modify the AST printer and name mangling accordingly.

Also, make changes to allow implicit conversion from a function that takes noescape parameters to a function that doesn't. For example:

void (*fnptr0)(int *) = &noescapefunc; // valid conversion.
void (*fnptr1)(__attribute__((noescape)) int *) = &escapefunc; // invalid conversion.


https://reviews.llvm.org/D32210

Files:
  include/clang/AST/Type.h
  include/clang/Basic/Attr.td
  include/clang/Basic/AttrDocs.td
  include/clang/Basic/DiagnosticSemaKinds.td
  include/clang/Sema/Sema.h
  lib/AST/ItaniumMangle.cpp
  lib/AST/TypePrinter.cpp
  lib/CodeGen/CGCall.cpp
  lib/Sema/SemaDeclAttr.cpp
  lib/Sema/SemaDeclCXX.cpp
  lib/Sema/SemaDeclObjC.cpp
  lib/Sema/SemaExpr.cpp
  lib/Sema/SemaOverload.cpp
  lib/Sema/SemaTemplate.cpp
  lib/Sema/SemaType.cpp
  test/CodeGenCXX/noescape.cpp
  test/CodeGenObjC/noescape.m
  test/Misc/ast-dump-attr.cpp
  test/Misc/pragma-attribute-supported-attributes-list.test
  test/Misc/warning-flags.c
  test/Sema/noescape.c
  test/SemaObjCXX/noescape.mm

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