[all-commits] [llvm/llvm-project] 75f50e: Adding PoisonValue for representing poison value e...

[Zhengyang Liu via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 75f50e15bf8fff6fba1d4678adedd33ef6a945e5
      https://github.com/llvm/llvm-project/commit/75f50e15bf8fff6fba1d4678adedd33ef6a945e5
  Author: Zhengyang Liu <liuz at cs.utah.edu>
  Date:   2020-11-25 (Wed, 25 Nov 2020)

  Changed paths:
    M llvm/bindings/ocaml/llvm/llvm.ml
    M llvm/bindings/ocaml/llvm/llvm.mli
    M llvm/bindings/ocaml/llvm/llvm_ocaml.c
    M llvm/include/llvm-c/Core.h
    M llvm/include/llvm/Bitcode/LLVMBitCodes.h
    M llvm/include/llvm/IR/Constants.h
    M llvm/include/llvm/IR/PatternMatch.h
    M llvm/include/llvm/IR/Value.def
    M llvm/lib/AsmParser/LLLexer.cpp
    M llvm/lib/AsmParser/LLParser.cpp
    M llvm/lib/AsmParser/LLParser.h
    M llvm/lib/AsmParser/LLToken.h
    M llvm/lib/Bitcode/Reader/BitcodeReader.cpp
    M llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
    M llvm/lib/IR/AsmWriter.cpp
    M llvm/lib/IR/Constants.cpp
    M llvm/lib/IR/Core.cpp
    M llvm/lib/IR/LLVMContextImpl.h
    M llvm/test/Bindings/OCaml/core.ml
    M llvm/test/Bitcode/compatibility.ll
    A llvm/test/CodeGen/X86/poison-ops.ll
    M llvm/tools/llvm-c-test/echo.cpp

  Log Message:
  -----------
  Adding PoisonValue for representing poison value explicitly in IR

Define ConstantData::PoisonValue.
Add support for poison value to LLLexer/LLParser/BitcodeReader/BitcodeWriter.
Add support for poison value to llvm-c interface.
Add support for poison value to OCaml binding.
Add m_Poison in PatternMatch.

Differential Revision: https://reviews.llvm.org/D71126