Merging r258729:

[oota-llvm.git] / docs / TestingGuide.rst

diff --git a/docs/TestingGuide.rst b/docs/TestingGuide.rst
index 3463156495a9c85588789a942aaf68c0b3c7f302..134ddd88c87d5a63fc8d4c6810cb3d51287fbf59 100644 (file)
--- a/docs/TestingGuide.rst
+++ b/docs/TestingGuide.rst
@@ -240,6 +240,10 @@ The recommended way to examine output to figure out if the test passes is using
 the :doc:`FileCheck tool <CommandGuide/FileCheck>`. *[The usage of grep in RUN
 lines is deprecated - please do not send or commit patches that use it.]*
 
+Put related tests into a single file rather than having a separate file per
+test. Check if there are files already covering your feature and consider
+adding your code there instead of creating a new file.
+
 Extra files
 -----------
 
@@ -473,6 +477,25 @@ 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
 --------------