[PATCH] D90275: [clang][IR] Add support for leaf attribute

[Gulfem Savrun Yeniceri via Phabricator via cfe-commits]

gulfem created this revision.
Herald added subscribers: llvm-commits, cfe-commits, dexonsmith, jdoerfert, steven_wu, hiraditya.
Herald added a reviewer: aaron.ballman.
Herald added projects: clang, LLVM.
gulfem requested review of this revision.

GCC supports __attribute__((leaf)) as an optimization hint described in:
https://gcc.gnu.org/onlinedocs/gcc-4.7.1/gcc/Function-Attributes.html
This patch adds support for this attribute in Clang/LLVM.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D90275

Files:
  clang/include/clang/Basic/Attr.td
  clang/include/clang/Basic/AttrDocs.td
  clang/lib/CodeGen/CGCall.cpp
  clang/lib/Sema/SemaDeclAttr.cpp
  clang/test/Sema/attr-leaf.c
  llvm/include/llvm/Bitcode/LLVMBitCodes.h
  llvm/include/llvm/IR/Attributes.td
  llvm/lib/AsmParser/LLLexer.cpp
  llvm/lib/AsmParser/LLParser.cpp
  llvm/lib/AsmParser/LLToken.h
  llvm/lib/Bitcode/Reader/BitcodeReader.cpp
  llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
  llvm/lib/IR/Attributes.cpp
  llvm/lib/IR/Verifier.cpp
  llvm/lib/Transforms/Utils/CodeExtractor.cpp

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