[all-commits] [llvm/llvm-project] 5be8b2: [llvm-exegesis] Serial snippet: Restrict the set o...

[Clement Courbet via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 5be8b2ec4a0f73900b4b41f6c67ac7d0091d6ac7
      https://github.com/llvm/llvm-project/commit/5be8b2ec4a0f73900b4b41f6c67ac7d0091d6ac7
  Author: Clement Courbet <courbet at google.com>
  Date:   2020-01-22 (Wed, 22 Jan 2020)

  Changed paths:
    M llvm/tools/llvm-exegesis/lib/Target.h
    M llvm/tools/llvm-exegesis/lib/X86/Target.cpp
    M llvm/unittests/tools/llvm-exegesis/X86/TargetTest.cpp

  Log Message:
  -----------
  [llvm-exegesis] Serial snippet: Restrict the set of back-to-back instructions

Summary:
Right now when picking a back-to-back instruction at random, we might select
instructions that we do not know how to handle.
Add a ExegesisTarget hook to possibly filter instructions.

Reviewers: gchatelet

Subscribers: tschuett, mstojanovic, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D73161