From 5a5ac124e1efaf208671f01c46edb15f29ed2a0b Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Wed, 27 May 2015 18:44:32 +0000
Subject: Vendor import of llvm trunk r238337:
 https://llvm.org/svn/llvm-project/llvm/trunk@238337

---
 docs/TestingGuide.rst | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'docs/TestingGuide.rst')

diff --git a/docs/TestingGuide.rst b/docs/TestingGuide.rst
index 3463156495a9..adf5f3d4cfbd 100644
--- a/docs/TestingGuide.rst
+++ b/docs/TestingGuide.rst
@@ -473,6 +473,25 @@ RUN lines:
 To add more substituations, look at ``test/lit.cfg`` or ``lit.local.cfg``.
 
 
+Options
+-------
+
+The llvm lit configuration allows to customize some things with user options:
+
+``llc``, ``opt``, ...
+    Substitute the respective llvm tool name with a custom command line. This
+    allows to specify custom paths and default arguments for these tools.
+    Example:
+
+    % llvm-lit "-Dllc=llc -verify-machineinstrs"
+
+``run_long_tests``
+    Enable the execution of long running tests.
+
+``llvm_site_config``
+    Load the specified lit configuration instead of the default one.
+
+
 Other Features
 --------------
 
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