[PATCH] D85091: [Sema, CodeGen] Implement [[likely]] and [[unlikely]] in IfStmt

[Mark de Wever via Phabricator via llvm-commits]

Mordante created this revision.
Mordante added reviewers: rsmith, rjmccall.
Mordante added a project: clang.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a reviewer: aaron.ballman.
Herald added a project: LLVM.
Mordante requested review of this revision.

This contains the initial part of the implementation for the C++20 likelihood attributes.
For now it only handles them in an IfStmt, I want to add support for other statements after this one is done.

I was unsure whether it's preferred to have one patch for both the Sema and CodeGen part. If wanted I can split them easily.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D85091

Files:
  clang/include/clang/Basic/Attr.td
  clang/include/clang/Basic/AttrDocs.td
  clang/include/clang/Basic/DiagnosticGroups.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/ParseDeclCXX.cpp
  clang/lib/Sema/SemaStmt.cpp
  clang/lib/Sema/SemaStmtAttr.cpp
  clang/test/CodeGenCXX/attr-likelihood-if-branch-weights.cpp
  clang/test/Misc/warning-wall.c
  clang/test/Preprocessor/has_attribute.cpp
  clang/test/SemaCXX/attr-likelihood.cpp
  clang/www/cxx_status.html
  llvm/include/llvm/Transforms/Scalar/LowerExpectIntrinsic.h
  llvm/lib/Transforms/Scalar/LowerExpectIntrinsic.cpp

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