[PATCH] D18714: Add writeonly IR attribute

[Nicolai Hähnle via llvm-commits]

nhaehnle created this revision.
nhaehnle added reviewers: reames, joker.eph.
nhaehnle added a subscriber: llvm-commits.
Herald added a subscriber: joker.eph.

This complements the earlier addition of IntrWriteMem and IntrWriteArgMem
LLVM intrinsic properties, see D18291.

Also start using the attribute for memset, memcpy, and memmove intrinsics,
and remove their special-casing in BasicAliasAnalysis.

http://reviews.llvm.org/D18714

Files:
  docs/LangRef.rst
  include/llvm/Analysis/AliasAnalysis.h
  include/llvm/Bitcode/LLVMBitCodes.h
  include/llvm/IR/Attributes.td
  include/llvm/IR/CallSite.h
  include/llvm/IR/Function.h
  include/llvm/IR/Instructions.h
  include/llvm/IR/Intrinsics.td
  lib/Analysis/AliasAnalysis.cpp
  lib/Analysis/BasicAliasAnalysis.cpp
  lib/AsmParser/LLLexer.cpp
  lib/AsmParser/LLParser.cpp
  lib/AsmParser/LLToken.h
  lib/Bitcode/Reader/BitcodeReader.cpp
  lib/Bitcode/Writer/BitcodeWriter.cpp
  lib/IR/Attributes.cpp
  lib/IR/Verifier.cpp
  test/Analysis/BasicAA/cs-cs.ll
  test/Bitcode/attributes.ll
  test/Bitcode/compatibility.ll
  test/Transforms/ObjCARC/nested.ll
  utils/TableGen/CodeGenIntrinsics.h
  utils/TableGen/CodeGenTarget.cpp
  utils/TableGen/IntrinsicEmitter.cpp

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