From 4d75d80d62f52ce440e6af7821d785ab49f30ea7 Mon Sep 17 00:00:00 2001
From: David Greene <greened@obbligato.org>
Date: Tue, 21 Dec 2010 16:55:53 +0000
Subject: Fix PR 8199.  This patch prepends the build tool dir to LLVM programs
 being tested.  This ensures that we test the tools just built and not some
 random tools that might happen to be in the user's PATH.  This makes LLVM
 testing much more stable and predictable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122341 91177308-0d34-0410-b5e6-96231b3b80d8
---
 docs/TestingGuide.html | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'docs')

diff --git a/docs/TestingGuide.html b/docs/TestingGuide.html
index 1150ac8..4d14fe4 100644
--- a/docs/TestingGuide.html
+++ b/docs/TestingGuide.html
@@ -376,6 +376,11 @@ clang/test directory. </p>
   shell. Consequently the syntax differs from normal shell script syntax in a 
   few ways.  You can specify as many RUN lines as needed.</p>
 
+  <p>lit performs substitution on each RUN line to replace LLVM tool
+  names with the full paths to the executable built for each tool (in
+  $(LLVM_OBJ_ROOT)/$(BuildMode)/bin).  This ensures that lit does not
+  invoke any stray LLVM tools in the user's path during testing.</p>
+
   <p>Each RUN line is executed on its own, distinct from other lines unless
   its last character is <tt>\</tt>. This continuation character causes the RUN
   line to be concatenated with the next one. In this way you can build up long
-- 
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