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Validation fixes

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42226 91177308-0d34-0410-b5e6-96231b3b80d8
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Bill Wendling 2007-09-22 09:39:19 +00:00
parent 03295ca4e6
commit 03c993a125
1 changed files with 61 additions and 39 deletions
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100
docs/GettingStartedVS.html
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@ -86,7 +86,7 @@
<ol>
<li>Read the documentation.</li>
<li>Read the documentation.</li>
<li>Seriously, read the documentation.</li>
<li>Remember that you were warned twice about reading the documentation.</li>
<li>Get the Source Code
@ -203,17 +203,13 @@ each of these names with the appropriate pathname on your local system.
All these paths are absolute:</p>
<dl>
<dt>SRC_ROOT
<dd>
This is the top level directory of the LLVM source tree.
<p>
<dt>SRC_ROOT</dt>
<dd><p>This is the top level directory of the LLVM source tree.</p></dd>
<dt>OBJ_ROOT
<dd>
This is the top level directory of the LLVM object tree (i.e. the
tree where object files and compiled programs will be placed. It
is fixed at SRC_ROOT/win32).
<p>
<dt>OBJ_ROOT</dt>
<dd><p>This is the top level directory of the LLVM object tree (i.e. the
tree where object files and compiled programs will be placed. It is
fixed at SRC_ROOT/win32).</p></dd>
</dl>
</div>
@ -227,12 +223,12 @@ All these paths are absolute:</p>
<p>The object files are placed under <tt>OBJ_ROOT/Debug</tt> for debug builds
and <tt>OBJ_ROOT/Release</tt> for release (optimized) builds. These include
both executables and libararies that your application can link against.
both executables and libararies that your application can link against.</p>
<p>The files that <tt>configure</tt> would create when building on Unix are
created by the <tt>Configure</tt> project and placed in
<tt>OBJ_ROOT/llvm</tt>. You application must have OBJ_ROOT in its include
search path just before <tt>SRC_ROOT/include</tt>.
search path just before <tt>SRC_ROOT/include</tt>.</p>
</div>
@ -245,57 +241,83 @@ All these paths are absolute:</p>
<div class="doc_text">
<ol>
<li>First, create a simple C file, name it 'hello.c':
<pre>
#include &lt;stdio.h&gt;
int main() {
printf("hello world\n");
return 0;
}
</pre></li>
<li><p>First, create a simple C file, name it 'hello.c':</p>
<div class="doc_code">
<pre>
#include &lt;stdio.h&gt;
int main() {
printf("hello world\n");
return 0;
}
</pre></div></li>
<li><p>Next, compile the C file into a LLVM bitcode file:</p>
<p><tt>% llvm-gcc -c hello.c -emit-llvm -o hello.bc</tt></p>
<p>This will create the result file <tt>hello.bc</tt> which is the LLVM
bitcode that corresponds the the compiled program and the library
facilities that it required. You can execute this file directly using
<tt>lli</tt> tool, compile it to native assembly with the <tt>llc</tt>,
optimize or analyze it further with the <tt>opt</tt> tool, etc.</p>
<div class="doc_code">
<pre>
% llvm-gcc -c hello.c -emit-llvm -o hello.bc
</pre>
</div>
<p>This will create the result file <tt>hello.bc</tt> which is the LLVM
bitcode that corresponds the the compiled program and the library
facilities that it required. You can execute this file directly using
<tt>lli</tt> tool, compile it to native assembly with the <tt>llc</tt>,
optimize or analyze it further with the <tt>opt</tt> tool, etc.</p>
<p><b>Note: while you cannot do this step on Windows, you can do it on a
Unix system and transfer <tt>hello.bc</tt> to Windows. Important:
transfer as a binary file!</b></p></li>
Unix system and transfer <tt>hello.bc</tt> to Windows. Important:
transfer as a binary file!</b></p></li>
<li><p>Run the program using the just-in-time compiler:</p>
<p><tt>% lli hello.bc</tt></p></li>
<div class="doc_code">
<pre>
% lli hello.bc
</pre>
</div>
<p>Note: this will only work for trivial C programs. Non-trivial programs
(and any C++ program) will have dependencies on the GCC runtime that
won't be satisfied by the Microsoft runtime libraries.</p>
(and any C++ program) will have dependencies on the GCC runtime that
won't be satisfied by the Microsoft runtime libraries.</p></li>
<li><p>Use the <tt>llvm-dis</tt> utility to take a look at the LLVM assembly
code:</p>
<p><tt>% llvm-dis &lt; hello.bc | more</tt><p></li>
<div class="doc_code">
<pre>
% llvm-dis &lt; hello.bc | more
</pre>
</div></li>
<li><p>Compile the program to C using the LLC code generator:</p>
<p><tt>% llc -march=c hello.bc</tt></p></li>
<div class="doc_code">
<pre>
% llc -march=c hello.bc
</pre>
</div></li>
<li><p>Compile to binary using Microsoft C:</p>
<p><tt>% cl hello.cbe.c</tt></p></li>
<div class="doc_code">
<pre>
% cl hello.cbe.c
</pre>
</div>
<p>Note: this will only work for trivial C programs. Non-trivial programs
(and any C++ program) will have dependencies on the GCC runtime that
won't be satisfied by the Microsoft runtime libraries.</p>
won't be satisfied by the Microsoft runtime libraries.</p></li>
<li><p>Execute the native code program:</p>
<p><tt>% hello.cbe.exe</tt></p></li>
<div class="doc_code">
<pre>
% hello.cbe.exe
</pre>
</div></li>
</ol>
</div>
@ -332,7 +354,7 @@ out:</p>
<li><a href="http://llvm.org/">LLVM homepage</a></li>
<li><a href="http://llvm.org/doxygen/">LLVM doxygen tree</a></li>
<li><a href="http://llvm.org/docs/Projects.html">Starting a Project
that Uses LLVM</a></li>
that Uses LLVM</a></li>
</ul>
</div>