docs: Document LLD's cache dir argument.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@304385 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/ThinLTO.rst b/docs/ThinLTO.rst
index 7c7d9513025a9a91a689c5555696c2daa1998e7b..d417febda502c5974fc3a37b19206d8e70bb0246 100644 (file)
--- a/docs/ThinLTO.rst
+++ b/docs/ThinLTO.rst
@@ -123,6 +123,8 @@ which currently must be enabled through a linker option.
   ``-Wl,-plugin-opt,cache-dir=/path/to/cache``
 - ld64 (support in clang 3.9 and Xcode 8):
   ``-Wl,-cache_path_lto,/path/to/cache``
+- lld (as of LLVM r296702):
+  ``-Wl,--thinlto-cache-dir=/path/to/cache``
 
 Clang Bootstrap
 ---------------