[PATCH] D30521: Introduce llc/ExecuteTestCommands pass

[Matthias Braun via Phabricator via llvm-commits]

MatzeB created this revision.
Herald added subscribers: mgorny, nhaehnle, wdng, mcrosier.

Putting this up for early review to get some of the bikeshedding done while I am finishing this up:

We sometimes want to test a specific codegen API rather than a whole pass.

This adds a special pass to llc that features a minimalistic scripting language to
call some predefined API functions so we can test the API with the usual lit+FileCheck tools.

The first implementation allows moving an instruction to a different
place and updating liveness information with the handleMove() API. This
obsoletes the previously existing unittest for this.


Repository:
  rL LLVM

https://reviews.llvm.org/D30521

Files:
  include/llvm/CodeGen/MIRYamlMapping.h
  lib/CodeGen/MIRParser/MIRParser.cpp
  test/CodeGen/AMDGPU/handlemove.mir
  tools/llc/CMakeLists.txt
  tools/llc/ExecuteTestCommands.cpp
  tools/llc/ExecuteTestCommands.h
  tools/llc/llc.cpp
  unittests/MI/LiveIntervalTest.cpp

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