Index: llvm/docs/GlobalISel/GenericOpcode.rst
===================================================================
--- llvm/docs/GlobalISel/GenericOpcode.rst
+++ llvm/docs/GlobalISel/GenericOpcode.rst
@@ -186,11 +186,17 @@
 index. This will almost certainly be mapped to sub-register COPYs after
 register banks have been selected.
 
+.. code-block:: none
+  %res = G_EXTRACT <1 x i32> %vec, i32 0
+
 G_INSERT
 ^^^^^^^^
 
 Insert a smaller register into a larger one at the specified bit-index.
 
+.. code-block:: none
+%vec = G_INSERT <1 x i32> undef, i32 %elt, i32 0
+
 G_MERGE_VALUES
 ^^^^^^^^^^^^^^