diff --git a/llvm/docs/GlobalISel/GenericOpcode.rst b/llvm/docs/GlobalISel/GenericOpcode.rst
--- a/llvm/docs/GlobalISel/GenericOpcode.rst
+++ b/llvm/docs/GlobalISel/GenericOpcode.rst
@@ -284,7 +284,9 @@
 
 .. code-block:: none
 
-  %2:_(s32) = G_ADD %0:_(s32), %1:_(s32)
+  %dst:_(s32) = G_ADD %src0:_(s32), %src1:_(s32)
+
+Adds %src1 to %src0 and stores the result in %dst.
 
 G_SDIVREM, G_UDIVREM
 ^^^^^^^^^^^^^^^^^^^^
@@ -719,28 +721,40 @@
 
 .. code-block:: none
 
-  %1(s8) = G_PHI %7(s8), %bb.0, %3(s8), %bb.1
+  %dst(s8) = G_PHI %src1(s8), %bb.<id1>, %src2(s8), %bb.<id2>
 
 G_BR
 ^^^^
 
 Unconditional branch
 
+.. code-block:: none
+  G_BR %bb.<id>
+
 G_BRCOND
 ^^^^^^^^
 
 Conditional branch
 
+.. code-block:: none
+  G_BRCOND %condition, %basicblock.<id>
+
 G_BRINDIRECT
 ^^^^^^^^^^^^
 
 Indirect branch
 
+.. code-block:: none
+  G_BRINDIRECT %src(p0)
+
 G_BRJT
 ^^^^^^
 
 Indirect branch to jump table entry
 
+.. code-block:: none
+  G_BRJT %ptr(p0), %jti, %idx(s64)
+
 G_JUMP_TABLE
 ^^^^^^^^^^^^