[Docs] Updating CMake docs to include LLVM_REVERSE_ITERATION

Reviewers: beanz, mehdi_amini

Reviewed By: beanz

Subscribers: mgorny, llvm-commits

Differential Revision: https://reviews.llvm.org/D35080

llvm-svn: 307560

diff --git a/llvm/docs/CMake.rst b/llvm/docs/CMake.rst
index aeebc8f..bf97e91 100644 (file)
--- a/llvm/docs/CMake.rst
+++ b/llvm/docs/CMake.rst
@@ -536,6 +536,11 @@ LLVM-specific variables
   during the build. Enabling this option can significantly speed up build times
   especially when building LLVM in Debug configurations.
 
+**LLVM_REVERSE_ITERATION**:BOOL
+  If enabled, all supported unordered llvm containers would be iterated in
+  reverse order. This is useful for uncovering non-determinism caused by
+  iteration of unordered containers.
+
 CMake Caches
 ============