[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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307560 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/CMake.rst b/docs/CMake.rst
index aeebc8f6acf9a6b1ef7d152e89c7568606fb41df..bf97e9173158f87a85a82fe7d70cf6e829c71cab 100644 (file)
--- a/docs/CMake.rst
+++ b/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
 ============