X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=docs%2FTableGenFundamentals.rst;h=4fe4bb986a2f6f81ee498f5961186e310f8a7921;hb=566fb9fe3ed767be7218fb1608ec6a284067d3b0;hp=526795f53d0b4c0e64b070315a1455bf50b33474;hpb=a7aec400a7014edba1eeb53c582d3ab47178fe8d;p=oota-llvm.git

diff --git a/docs/TableGenFundamentals.rst b/docs/TableGenFundamentals.rst
index 526795f53d0..4fe4bb986a2 100644
--- a/docs/TableGenFundamentals.rst
+++ b/docs/TableGenFundamentals.rst
@@ -791,6 +791,10 @@ Expressions used by code generator to describe instructions and isel patterns:
 TableGen backends
 =================
 
+Until we get a step-by-step HowTo for writing TableGen backends, you can at
+least grab the boilerplate (build system, new files, etc.) from Clang's
+r173931.
+
 TODO: How they work, how to write one.  This section should not contain details
 about any particular backend, except maybe ``-print-enums`` as an example.  This
 should highlight the APIs in ``TableGen/Record.h``.