Adding missing #includes to try to get this to compile on Windows with Visual Studio.

[oota-llvm.git] / docs / LangRef.rst

diff --git a/docs/LangRef.rst b/docs/LangRef.rst
index 8ab199c552cbb054f5dc4f249cd474b4eb418171..b18474915e189c7b26be313a1254c5181c6796fb 100644 (file)
--- a/docs/LangRef.rst
+++ b/docs/LangRef.rst
@@ -2883,6 +2883,23 @@ attached to the ``add`` instruction using the ``!dbg`` identifier:
 More information about specific metadata nodes recognized by the
 optimizers and code generator is found below.
 
+Specialized Metadata Nodes
+^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Specialized metadata nodes are custom data structures in metadata (as opposed
+to generic tuples).  Their fields are labelled, and can be specified in any
+order.
+
+MDLocation
+""""""""""
+
+``MDLocation`` nodes represent source debug locations.  The ``scope:`` field is
+mandatory.
+
+.. code-block:: llvm
+
+    !0 = !MDLocation(line: 2900, column: 42, scope: !1, inlinedAt: !2)
+
 '``tbaa``' Metadata
 ^^^^^^^^^^^^^^^^^^^
 
@@ -9862,10 +9879,10 @@ generated for this intrinsic, and instructions that contribute only to the
 provided condition are not used for code generation. If the condition is
 violated during execution, the behavior is undefined.
 
-Please note that optimizer might limit the transformations performed on values
+Note that the optimizer might limit the transformations performed on values
 used by the ``llvm.assume`` intrinsic in order to preserve the instructions
 only used to form the intrinsic's input argument. This might prove undesirable
-if the extra information provided by the ``llvm.assume`` intrinsic does cause
+if the extra information provided by the ``llvm.assume`` intrinsic does not cause
 sufficient overall improvement in code quality. For this reason,
 ``llvm.assume`` should not be used to document basic mathematical invariants
 that the optimizer can otherwise deduce or facts that are of little use to the