[PATCH] D59467: [clang] Adding the Likely Attribute from C++2a to AST

[Gauthier via Phabricator via cfe-commits]

Tyker updated this revision to Diff 191862.
Tyker added a comment.

handled codegen for if, while, for and do/while, it will generate a @llvm.expect before the condition based on the attribute
i changed slithly the semantic

  if (...) {  //error
  [[likely]] ...
  }
  
  if (...) [[likely]]  { // ok
   ...
  }

and added tests for AST, Semantic and codegen


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D59467/new/

https://reviews.llvm.org/D59467

Files:
  clang/include/clang/Basic/Attr.td
  clang/include/clang/Basic/AttrDocs.td
  clang/include/clang/Basic/DiagnosticSemaKinds.td
  clang/lib/CodeGen/CGStmt.cpp
  clang/lib/CodeGen/CodeGenFunction.cpp
  clang/lib/CodeGen/CodeGenFunction.h
  clang/lib/Parse/ParseStmt.cpp
  clang/lib/Sema/SemaStmtAttr.cpp
  clang/test/AST/ast-dump-attr.cpp
  clang/test/CodeGenCXX/cxx2a-likelihood-attr.cpp
  clang/test/SemaCXX/cxx2a-likelihood-attr.cpp

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D59467.191862.patch
Type: text/x-patch
Size: 18900 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20190322/6cde8fa4/attachment-0001.bin>