[docs] Make a note of LLVM_BUILD_INSTRUMENTED_COVERAGE

llvm-svn: 313768

diff --git a/llvm/docs/CMake.rst b/llvm/docs/CMake.rst
index b6ebf37..473672b 100644 (file)
--- a/llvm/docs/CMake.rst
+++ b/llvm/docs/CMake.rst
@@ -542,6 +542,11 @@ LLVM-specific variables
   reverse order. This is useful for uncovering non-determinism caused by
   iteration of unordered containers.
 
+**LLVM_BUILD_INSTRUMENTED_COVERAGE**:BOOL
+  If enabled, `source-based code coverage
+  <http://clang.llvm.org/docs/SourceBasedCodeCoverage.html>`_ instrumentation
+  is enabled while building llvm.
+
 CMake Caches
 ============