[all-commits] [llvm/llvm-project] f668ba: [DFSan] Add __dfsan_mem_transfer_callback.

[Matt Morehouse via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: f668baa4592646aa12937bd986305cd4dad2ad37
      https://github.com/llvm/llvm-project/commit/f668baa4592646aa12937bd986305cd4dad2ad37
  Author: Matt Morehouse <mascasa at google.com>
  Date:   2020-02-28 (Fri, 28 Feb 2020)

  Changed paths:
    M compiler-rt/test/dfsan/event_callbacks.c
    M llvm/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp

  Log Message:
  -----------
  [DFSan] Add __dfsan_mem_transfer_callback.

Summary:
When -dfsan-event-callbacks is specified, insert a call to
__dfsan_mem_transfer_callback on every memcpy and memmove.

Reviewers: vitalybuka, kcc, pcc

Reviewed By: kcc

Subscribers: eugenis, hiraditya, #sanitizers, llvm-commits

Tags: #sanitizers, #llvm

Differential Revision: https://reviews.llvm.org/D75386