From: Groverkss <groverkss@gmail.com>
Date: Mon, 4 Apr 2022 16:23:08 +0000 (+0530)
Subject: [MLIR] Add nested symbols into LangRef
X-Git-Tag: upstream/15.0.7~11549
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b4865dd67f05a4c4680eaa6d257553a48bc704e0;p=platform%2Fupstream%2Fllvm.git

[MLIR] Add nested symbols into LangRef

Add documentation into the LangRef for parsing nested symbols.

Reviewed By: rriddle

Differential Revision: https://reviews.llvm.org/D122977
---

diff --git a/mlir/docs/LangRef.md b/mlir/docs/LangRef.md
index 23f09ef..a876d7e 100644
--- a/mlir/docs/LangRef.md
+++ b/mlir/docs/LangRef.md
@@ -203,7 +203,7 @@ bare-id-list ::= bare-id (`,` bare-id)*
 value-id ::= `%` suffix-id
 suffix-id ::= (digit+ | ((letter|id-punct) (letter|id-punct|digit)*))
 
-symbol-ref-id ::= `@` (suffix-id | string-literal)
+symbol-ref-id ::= `@` (suffix-id | string-literal) (`::` symbol-ref-id)?
 value-id-list ::= value-id (`,` value-id)*
 
 // Uses of value, e.g. in an operand list to an operation.