[PATCH] D64606: [BPF] add unit tests for preserve_{array,union,struct}_access_index intrinsics

[Yonghong Song via Phabricator via llvm-commits]

yonghong-song created this revision.
yonghong-song added reviewers: eli.friedman, jdoerfert, ast.
Herald added a subscriber: arphaman.
Herald added a project: LLVM.

This is a followup patch for https://reviews.llvm.org/D61810/new/,
which adds new intrinsics preserve_{array,union,struct}_access_index.

Currently, only BPF backend utilizes preserve_{array,union,struct}_access_index
intrinsics, so all tests are compiled with BPF target.

https://reviews.llvm.org/D61524 already added some tests for these
intrinsics, but some of them pretty complex.
This patch added a few unit test cases focusing on individual intrinsic
functions.

Also made a few clarification on language reference for these intrinsics.


Repository:
  rL LLVM

https://reviews.llvm.org/D64606

Files:
  docs/LangRef.rst
  test/CodeGen/BPF/CORE/intrinsic-array.ll
  test/CodeGen/BPF/CORE/intrinsic-struct.ll
  test/CodeGen/BPF/CORE/intrinsic-union.ll

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