ReleaseNotes: __builtin_unpredictable is now handled by X86 Backend

diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst
index 2b1edd5..7a9c85f 100644 (file)
--- a/llvm/docs/ReleaseNotes.rst
+++ b/llvm/docs/ReleaseNotes.rst
@@ -243,6 +243,10 @@ Changes to the Windows Target
 Changes to the X86 Backend
 --------------------------
 
+* ``__builtin_unpredictable`` (unpredictable metadata in LLVM IR), is handled by X86 Backend.
+  ``X86CmovConversion`` pass now respects this builtin and does not convert CMOVs to branches.
+
+
 Changes to the OCaml bindings
 -----------------------------