[all-commits] [llvm/llvm-project] 0d8bdc: [MemProf] Record accesses for all words touched in...

[Teresa Johnson via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0d8bdc17862e1c80edf1223282af3be786da4882
      https://github.com/llvm/llvm-project/commit/0d8bdc17862e1c80edf1223282af3be786da4882
  Author: Teresa Johnson <tejohnson at google.com>
  Date:   2021-09-30 (Thu, 30 Sep 2021)

  Changed paths:
    M compiler-rt/lib/memprof/memprof_rtl.cpp
    M compiler-rt/test/memprof/TestCases/test_memintrin.cpp
    M compiler-rt/test/memprof/TestCases/unaligned_loads_and_stores.cpp

  Log Message:
  -----------
  [MemProf] Record accesses for all words touched in mem intrinsic

Previously for mem* intrinsics we only incremented the access count for
the first word in the range. However, after thinking it through I think
it makes more sense to record an access for every word in the range.
This better matches the behavior of inlined memory intrinsics, and also
allows better analysis of utilization at a future date.

Differential Revision: https://reviews.llvm.org/D110799