[llvm] [ReleaseNotes][TableGen] Add `dump` and `!repr`. (PR #68893)

[Francesco Petrogalli via llvm-commits]

https://github.com/fpetrogalli created https://github.com/llvm/llvm-project/pull/68893

None

>From 00767df5e449168383aab959ebd17809e79671c6 Mon Sep 17 00:00:00 2001
From: Francesco Petrogalli <francesco.petrogalli at apple.com>
Date: Thu, 12 Oct 2023 16:07:35 +0200
Subject: [PATCH] [ReleaseNotes][TableGen] Add `dump` and `!repr`.

---
 llvm/docs/ReleaseNotes.rst | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst
index 3453c7e61ae4a63..a6c698f395c8049 100644
--- a/llvm/docs/ReleaseNotes.rst
+++ b/llvm/docs/ReleaseNotes.rst
@@ -69,6 +69,13 @@ Changes to building LLVM
 Changes to TableGen
 -------------------
 
+* Added constructs for debugging TableGen files:
+
+  * `dump` keyword to dump messages to standard error, see
+     https://github.com/llvm/llvm-project/pull/68793.
+  * `!repr` bang operator to inspect the content of values, see
+     https://github.com/llvm/llvm-project/pull/68716.
+
 Changes to Interprocedural Optimizations
 ----------------------------------------