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-rw-r--r--llvm/docs/TableGen/BackEnds.rst6
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/docs/TableGen/BackEnds.rst b/llvm/docs/TableGen/BackEnds.rst
index fdab266fa31..993134386f7 100644
--- a/llvm/docs/TableGen/BackEnds.rst
+++ b/llvm/docs/TableGen/BackEnds.rst
@@ -228,6 +228,12 @@ CTags
format. A helper script, utils/TableGen/tdtags, provides an easier-to-use
interface; run 'tdtags -H' for documentation.
+X86EVEX2VEX
+-----------
+
+**Purpose**: This X86 specific tablegen backend emits tables that map EVEX
+encoded instructions to their VEX encoded identical instruction.
+
Clang BackEnds
==============
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