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-rw-r--r--llvm/docs/CommandGuide/FileCheck.rst5
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/docs/CommandGuide/FileCheck.rst b/llvm/docs/CommandGuide/FileCheck.rst
index 8d88237f393..3e4c29f1572 100644
--- a/llvm/docs/CommandGuide/FileCheck.rst
+++ b/llvm/docs/CommandGuide/FileCheck.rst
@@ -38,6 +38,11 @@ OPTIONS
prefixes to match. Multiple prefixes are useful for tests which might
change for different run options, but most lines remain the same.
+.. option:: --check-prefixes prefix1,prefix2,...
+
+ An alias of :option:`--check-prefix` that allows multiple prefixes to be
+ specified as a comma separated list.
+
.. option:: --input-file filename
File to check (defaults to stdin).
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