[all-commits] [llvm/llvm-project] 787093: [Bitcode] Drop invalid branch_weight in BitcodeReader

[Steven Wu via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 78709345fb343123020a8615325f3943bd1cb420
      https://github.com/llvm/llvm-project/commit/78709345fb343123020a8615325f3943bd1cb420
  Author: Steven Wu <stevenwu at apple.com>
  Date:   2020-07-23 (Thu, 23 Jul 2020)

  Changed paths:
    M llvm/lib/Bitcode/Reader/BitcodeReader.cpp
    A llvm/test/Bitcode/Inputs/branch-weight.bc
    A llvm/test/Bitcode/branch-weight.ll

  Log Message:
  -----------
  [Bitcode] Drop invalid branch_weight in BitcodeReader

Summary:
If bitcode reader gets an invalid branch weight, drop that from the
inputs. This allows us to read the broken modules we generated before
the verifier was able to catch this.

rdar://64870641

Reviewers: yrouban, t.p.northover, dexonsmith, arphaman, aprantl

Reviewed By: aprantl

Subscribers: aprantl, hiraditya, jkorous, ributzka, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D83699