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Add some missing steps to the sacred testing ritual scriptures. 

llvm-svn: 72222
This commit is contained in:
Stuart Hastings 2009-05-21 20:23:59 +00:00
parent acf199e4cd
commit 6d437694ab
1 changed files with 23 additions and 14 deletions
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llvm/docs/TestingGuide.html
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@ -36,7 +36,7 @@
<li><a href="#testsuitestructure">Test suite structure</a></li>
<li><a href="#testsuiterun">Running the test suite</a>
<ul>
<li><a href="#testsuiteexternal">Configuring external tests</a></li>
<li><a href="#testsuiteexternal">Configuring External Tests</a></li>
<li><a href="#testsuitetests">Running different tests</a></li>
<li><a href="#testsuiteoutput">Generating test output</a></li>
<li><a href="#testsuitecustom">Writing custom tests for llvm-test</a></li>
@ -665,7 +665,7 @@ go here.</p></li>
<p>The External directory contains Makefiles for building code that is external
to (i.e., not distributed with) LLVM. The most prominent members of this
directory are the SPEC 95 and SPEC 2000 benchmark suites. The <tt>External</tt>
directory does not contain these actual tests,but only the Makefiles that know
directory does not contain these actual tests, but only the Makefiles that know
how to properly compile these programs from somewhere else. The presence and
location of these external programs is configured by the llvm-test
<tt>configure</tt> script.</p></li>
@ -710,15 +710,20 @@ test suite creates temporary files during execution.</p>
% svn co http://llvm.org/svn/llvm-project/test-suite/trunk test-suite
</pre>
</div>
<p>This will get the test suite into <tt>llvm/projects/test-suite</tt>.</p>
<p>This will get the test suite into <tt>llvm/projects/test-suite</tt>.</p>
</li>
<li><p>Configure llvm from the top level of each build tree (LLVM object directory tree)
in which you want to run the test suite, just as you do before building LLVM.</p>
<p>When running configure, you must either: (1) have <tt>llvm-gcc</tt>
in your path, or (2) specify the directory where <tt>llvm-gcc</tt> is
installed using <tt>--with-llvmgccdir=$LLVM_GCC_DIR</tt>.</p>
<p>This step tells the configure machinery that the test suite
is now available so it can be configured for your build tree:</p>
<li><p>Configure and build <tt>llvm</tt>.</p></li>
<li><p>Configure and build <tt>llvm-gcc</tt>.</p></li>
<li><p>Install <tt>llvm-gcc</tt> somewhere.</p></li>
<li><p><em>Re-configure</em> <tt>llvm</tt> from the top level of
each build tree (LLVM object directory tree) in which you want
to run the test suite, just as you do before building LLVM.</p>
<p>During the <em>re-configuration</em>, you must either: (1)
have <tt>llvm-gcc</tt> you just built in your path, or (2)
specify the directory where your just-built <tt>llvm-gcc</tt> is
installed using <tt>--with-llvmgccdir=$LLVM_GCC_DIR</tt>.</p>
<p>You must also tell the configure machinery that the test suite
is available so it can be configured for your build tree:</p>
<div class="doc_code">
<pre>
% cd $LLVM_OBJ_ROOT ; $LLVM_SRC_ROOT/configure [--with-llvmgccdir=$LLVM_GCC_DIR]
@ -743,12 +748,16 @@ the test code or configure script changes).</p>
<!-- _______________________________________________________________________ -->
<div class="doc_subsection">
<a name="testsuiteexternal">Configuring external tests</a></div>
<a name="testsuiteexternal">Configuring External Tests</a></div>
<!-- _______________________________________________________________________ -->
<div class="doc_text">
<p>Note, when configuring the <tt>test-suite</tt> module, you might want to
specify the following configuration option:</p>
<p>In order to run the External tests in the <tt>test-suite</tt>
module, you must specify <i>--with-externals</i>. This
must be done during the <em>re-configuration</em> step (see above),
and the <tt>llvm</tt> re-configuration must recognize the
previously-built <tt>llvm-gcc</tt>. If any of these is missing or
neglected, the External tests won't work.</p>
<dl>
<dt><i>--with-externals</i></dt>
<dt><i>--with-externals=&lt;<tt>directory</tt>&gt;</i></dt>
@ -774,7 +783,7 @@ specify the following configuration option:</p>
<a name="testsuitetests">Running different tests</a></div>
<!-- _______________________________________________________________________ -->
<div class="doc_text">
<p>In addition to the regular "whole program" tests, the <tt>test-suite</tt>
<p>In addition to the regular "whole program" tests, the <tt>test-suite</tt>
module also provides a mechanism for compiling the programs in different ways.
If the variable TEST is defined on the <tt>gmake</tt> command line, the test system will
include a Makefile named <tt>TEST.&lt;value of TEST variable&gt;.Makefile</tt>.