[PATCH] D60973: [llvm-extract] Expose the group extraction feature of the BlockExtractor

[Quentin Colombet via Phabricator via llvm-commits]

qcolombet created this revision.
qcolombet added a reviewer: volkan.
Herald added a project: LLVM.

This patch extends the `-bb` option to be able to use the group
extraction feature from the BlockExtractor.
In particular, `-bb=func:bb` is modified to support a list of basic
blocks per function: `-bb=func:bb1[;bb2...]` that will be extracted
together if at all possible (region must be single entry.)


Repository:
  rL LLVM

https://reviews.llvm.org/D60973

Files:
  test/tools/llvm-extract/extract-blocks-with-groups.ll
  tools/llvm-extract/llvm-extract.cpp

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