[PATCH] D56789: Allow CHECK-SAME, NEXT and EMPTY after CHECK-DAG

[Thomas Preud'homme via Phabricator via llvm-commits]

thopre created this revision.
thopre added reviewers: jdenny, probinson.
Herald added subscribers: llvm-commits, kristina, hiraditya.

When following a CHECK-DAG block, FileCheck correctly matches
CHECK-NEXT, CHECK-SAME and CHECK-EMPTY relative to the CHECK-DAG that
matches the latest line in the input file, as one would expect. However,
FileCheck refuses to run if the CHECK-DAG directives are the first in
the file. This commit lift this restriction.


Repository:
  rL LLVM

https://reviews.llvm.org/D56789

Files:
  llvm/docs/CommandGuide/FileCheck.rst
  llvm/lib/Support/FileCheck.cpp
  llvm/test/FileCheck/check-dag.txt

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