X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=docs%2FCommandGuide%2Fllc.rst;h=e6a59767aaff91d4c56f8a875b1ba54aba597937;hb=0a230e0d985625a3909cb78fd867a3abaf434565;hp=70354b0343e5b86df3b64f38194c4ee97ebdc6df;hpb=dff966c9d847075c1f2ed5dd9382d492a90fbcc4;p=oota-llvm.git

diff --git a/docs/CommandGuide/llc.rst b/docs/CommandGuide/llc.rst
index 70354b0343e..e6a59767aaf 100644
--- a/docs/CommandGuide/llc.rst
+++ b/docs/CommandGuide/llc.rst
@@ -69,6 +69,14 @@ End-user Options
 
    llvm-as < /dev/null | llc -march=xyz -mcpu=help
 
+.. option:: -filetype=<output file type>
+
+ Specify what kind of output ``llc`` should generated.  Options are: ``asm``
+ for textual assembly ( ``'.s'``), ``obj`` for native object files (``'.o'``)
+ and ``null`` for not emitting anything (for performance testing).
+
+ Note that not all targets support all options.
+
 .. option:: -mattr=a1,+a2,-a3,...
 
  Override or control specific attributes of the target, such as whether SIMD