mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-23 02:29:18 +00:00
cleanups and updates to the GSG, patch by B Scott Michel, thanks!
This is PR899 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30143 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
d5e93c0795
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9abd8af71e
@ -52,6 +52,10 @@
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</ol></li>
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</ol></li>
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|
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<li><a href="#tutorial">An Example Using the LLVM Tool Chain</a>
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<li><a href="#tutorial">An Example Using the LLVM Tool Chain</a>
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|
<ol>
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<li><a href="#tutorial4">Example with llvm-gcc4</a></li>
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<li><a href="#tutorial3">Example with llvm-gcc3</a></li>
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</ol>
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<li><a href="#problems">Common Problems</a>
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<li><a href="#problems">Common Problems</a>
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<li><a href="#links">Links</a>
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<li><a href="#links">Links</a>
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</ul>
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</ul>
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@ -206,7 +210,7 @@ software you will need.</p>
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|
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<p>LLVM is known to work on the following platforms:</p>
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<p>LLVM is known to work on the following platforms:</p>
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|
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<table cellpadding="3">
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<table cellpadding="3" summary="Known LLVM platforms">
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<tr>
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<tr>
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<th>OS</th>
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<th>OS</th>
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<th>Arch</th>
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<th>Arch</th>
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@ -257,7 +261,7 @@ software you will need.</p>
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|
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<p>LLVM has partial support for the following platforms:</p>
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<p>LLVM has partial support for the following platforms:</p>
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<table>
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<table summary="LLVM partial platform support">
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<tr>
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<tr>
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<th>OS</th>
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<th>OS</th>
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<th>Arch</th>
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<th>Arch</th>
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@ -347,7 +351,7 @@ href="CFEBuildInstrs.html">try to compile it</a> on your platform.</p>
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is the usual name for the software package that LLVM depends on. The Version
|
is the usual name for the software package that LLVM depends on. The Version
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column provides "known to work" versions of the package. The Notes column
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column provides "known to work" versions of the package. The Notes column
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describes how LLVM uses the package and provides other details.</p>
|
describes how LLVM uses the package and provides other details.</p>
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<table>
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<table summary="Packages required to compile LLVM">
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<tr><th>Package</th><th>Version</th><th>Notes</th></tr>
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<tr><th>Package</th><th>Version</th><th>Notes</th></tr>
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<tr>
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<tr>
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@ -439,7 +443,7 @@ href="CFEBuildInstrs.html">try to compile it</a> on your platform.</p>
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<p><b>Notes:</b></p>
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<p><b>Notes:</b></p>
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<div class="doc_notes">
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<div class="doc_notes">
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<ol>
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<ol>
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<li><a name="sf3">Only the C and C++ languages are needed so there's no
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<li><a name="sf1">Only the C and C++ languages are needed so there's no
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need to build the other languages for LLVM's purposes.</a> See
|
need to build the other languages for LLVM's purposes.</a> See
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<a href="#brokengcc">below</a> for specific version info.</li>
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<a href="#brokengcc">below</a> for specific version info.</li>
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<li><a name="sf2">You only need CVS if you intend to build from the
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<li><a name="sf2">You only need CVS if you intend to build from the
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@ -566,14 +570,14 @@ All these paths are absolute:</p>
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<dt>SRC_ROOT
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<dt>SRC_ROOT
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<dd>
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<dd>
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This is the top level directory of the LLVM source tree.
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This is the top level directory of the LLVM source tree.
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<p>
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<br><br>
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|
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<dt>OBJ_ROOT
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<dt>OBJ_ROOT
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<dd>
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<dd>
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This is the top level directory of the LLVM object tree (i.e. the
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This is the top level directory of the LLVM object tree (i.e. the
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tree where object files and compiled programs will be placed. It
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tree where object files and compiled programs will be placed. It
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can be the same as SRC_ROOT).
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can be the same as SRC_ROOT).
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<p>
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<br><br>
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<dt>LLVMGCCDIR
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<dt>LLVMGCCDIR
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<dd>
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<dd>
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@ -765,7 +769,7 @@ the Makefiles needed to begin building LLVM.</p>
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|||||||
<p>The following environment variables are used by the <tt>configure</tt>
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<p>The following environment variables are used by the <tt>configure</tt>
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script to configure the build system:</p>
|
script to configure the build system:</p>
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|
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<table>
|
<table summary="LLVM configure script environment variables">
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<tr><th>Variable</th><th>Purpose</th></tr>
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<tr><th>Variable</th><th>Purpose</th></tr>
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<tr>
|
<tr>
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<td>CC</td>
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<td>CC</td>
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@ -807,14 +811,14 @@ script to configure the build system:</p>
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dejagnu based test suite in <tt>llvm/test</tt>. If you don't specify this
|
dejagnu based test suite in <tt>llvm/test</tt>. If you don't specify this
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option, the LLVM configure script will search for the tcl 8.4 and 8.3
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option, the LLVM configure script will search for the tcl 8.4 and 8.3
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releases.
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releases.
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<p></p>
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<br><br>
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</dd>
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</dd>
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<dt><i>--enable-optimized</i></dt>
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<dt><i>--enable-optimized</i></dt>
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<dd>
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<dd>
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Enables optimized compilation by default (debugging symbols are removed
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Enables optimized compilation by default (debugging symbols are removed
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and GCC optimization flags are enabled). The default is to use an
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and GCC optimization flags are enabled). The default is to use an
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unoptimized build (also known as a debug build).
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unoptimized build (also known as a debug build).
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<p></p>
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<br><br>
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</dd>
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</dd>
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<dt><i>--enable-debug-runtime</i></dt>
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<dt><i>--enable-debug-runtime</i></dt>
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<dd>
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<dd>
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@ -827,7 +831,7 @@ script to configure the build system:</p>
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available
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available
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on all platforms. The default is dependent on platform, so it is best
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on all platforms. The default is dependent on platform, so it is best
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to explicitly enable it if you want it.
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to explicitly enable it if you want it.
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<p></p>
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<br><br>
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</dd>
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</dd>
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<dt><i>--enable-targets=</i><tt>target-option</tt></dt>
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<dt><i>--enable-targets=</i><tt>target-option</tt></dt>
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<dd>Controls which targets will be built and linked into llc. The default
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<dd>Controls which targets will be built and linked into llc. The default
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@ -838,7 +842,7 @@ script to configure the build system:</p>
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separated list of target names that you want available in llc. The target
|
separated list of target names that you want available in llc. The target
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names use all lower case. The current set of targets is: <br/>
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names use all lower case. The current set of targets is: <br/>
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<tt>alpha, ia64, powerpc, skeleton, sparc, x86</tt>.
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<tt>alpha, ia64, powerpc, skeleton, sparc, x86</tt>.
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<p></p></dd>
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<br><br></dd>
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<dt><i>--enable-doxygen</i></dt>
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<dt><i>--enable-doxygen</i></dt>
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<dd>Look for the doxygen program and enable construction of doxygen based
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<dd>Look for the doxygen program and enable construction of doxygen based
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documentation from the source code. This is disabled by default because
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documentation from the source code. This is disabled by default because
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@ -852,12 +856,12 @@ script to configure the build system:</p>
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|||||||
<li>Change directory into the object root directory:
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<li>Change directory into the object root directory:
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||||||
<br>
|
<br>
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||||||
<tt>cd <i>OBJ_ROOT</i></tt>
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<tt>cd <i>OBJ_ROOT</i></tt>
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<p>
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<br><br>
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||||||
|
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<li>Run the <tt>configure</tt> script located in the LLVM source tree:
|
<li>Run the <tt>configure</tt> script located in the LLVM source tree:
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||||||
<br>
|
<br>
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||||||
<tt><i>SRC_ROOT</i>/configure --prefix=/install/path [other options]</tt>
|
<tt><i>SRC_ROOT</i>/configure --prefix=/install/path [other options]</tt>
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<p>
|
<br><br>
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||||||
</ol>
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</ol>
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||||||
|
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||||||
</div>
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</div>
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||||||
@ -879,7 +883,7 @@ builds:</p>
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|||||||
<tt>--enable-optimized</tt> option was used during configuration). The
|
<tt>--enable-optimized</tt> option was used during configuration). The
|
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build system will compile the tools and libraries with debugging
|
build system will compile the tools and libraries with debugging
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information.
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information.
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<p>
|
<br><br>
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||||||
|
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||||||
<dt>Release (Optimized) Builds
|
<dt>Release (Optimized) Builds
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||||||
<dd>
|
<dd>
|
||||||
@ -888,7 +892,7 @@ builds:</p>
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<tt>gmake</tt> command line. For these builds, the build system will
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<tt>gmake</tt> command line. For these builds, the build system will
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||||||
compile the tools and libraries with GCC optimizations enabled and strip
|
compile the tools and libraries with GCC optimizations enabled and strip
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||||||
debugging information from the libraries and executables it generates.
|
debugging information from the libraries and executables it generates.
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||||||
<p>
|
<br><br>
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||||||
|
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||||||
<dt>Profile Builds
|
<dt>Profile Builds
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||||||
<dd>
|
<dd>
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||||||
@ -921,14 +925,14 @@ source code:</p>
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|||||||
<dd>
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<dd>
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||||||
Removes all files generated by the build. This includes object files,
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Removes all files generated by the build. This includes object files,
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generated C/C++ files, libraries, and executables.
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generated C/C++ files, libraries, and executables.
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<p>
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<br><br>
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||||||
|
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<dt><tt>gmake dist-clean</tt>
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<dt><tt>gmake dist-clean</tt>
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<dd>
|
<dd>
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||||||
Removes everything that <tt>gmake clean</tt> does, but also removes files
|
Removes everything that <tt>gmake clean</tt> does, but also removes files
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||||||
generated by <tt>configure</tt>. It attempts to return the source tree to the
|
generated by <tt>configure</tt>. It attempts to return the source tree to the
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||||||
original state in which it was shipped.
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original state in which it was shipped.
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||||||
<p>
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<br><br>
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||||||
|
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||||||
<dt><tt>gmake install</tt>
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<dt><tt>gmake install</tt>
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<dd>
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<dd>
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@ -936,7 +940,7 @@ source code:</p>
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|||||||
hierarchy
|
hierarchy
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under $PREFIX, specified with <tt>./configure --prefix=[dir]</tt>, which
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under $PREFIX, specified with <tt>./configure --prefix=[dir]</tt>, which
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defaults to <tt>/usr/local</tt>.
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defaults to <tt>/usr/local</tt>.
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<p>
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<br><br>
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||||||
|
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<dt><tt>gmake -C runtime install-bytecode</tt>
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<dt><tt>gmake -C runtime install-bytecode</tt>
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<dd>
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<dd>
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||||||
@ -944,7 +948,7 @@ source code:</p>
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|||||||
install bytecode libraries into the GCC front end's bytecode library
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install bytecode libraries into the GCC front end's bytecode library
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directory. If you need to update your bytecode libraries,
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directory. If you need to update your bytecode libraries,
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||||||
this is the target to use once you've built them.
|
this is the target to use once you've built them.
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<p>
|
<br><br>
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||||||
</dl>
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</dl>
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||||||
|
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||||||
<p>Please see the <a href="MakefileGuide.html">Makefile Guide</a> for further
|
<p>Please see the <a href="MakefileGuide.html">Makefile Guide</a> for further
|
||||||
@ -958,27 +962,27 @@ declaring variables on the command line. The following are some examples:</p>
|
|||||||
<dt><tt>gmake ENABLE_OPTIMIZED=1</tt>
|
<dt><tt>gmake ENABLE_OPTIMIZED=1</tt>
|
||||||
<dd>
|
<dd>
|
||||||
Perform a Release (Optimized) build.
|
Perform a Release (Optimized) build.
|
||||||
<p>
|
<br><br>
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||||||
|
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||||||
<dt><tt>gmake ENABLE_OPTIMIZED=1 DISABLE_ASSERTIONS=1</tt>
|
<dt><tt>gmake ENABLE_OPTIMIZED=1 DISABLE_ASSERTIONS=1</tt>
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<dd>
|
<dd>
|
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Perform a Release (Optimized) build without assertions enabled.
|
Perform a Release (Optimized) build without assertions enabled.
|
||||||
<p>
|
<br><br>
|
||||||
|
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<dt><tt>gmake ENABLE_PROFILING=1</tt>
|
<dt><tt>gmake ENABLE_PROFILING=1</tt>
|
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<dd>
|
<dd>
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Perform a Profiling build.
|
Perform a Profiling build.
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<p>
|
<br><br>
|
||||||
|
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<dt><tt>gmake VERBOSE=1</tt>
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<dt><tt>gmake VERBOSE=1</tt>
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<dd>
|
<dd>
|
||||||
Print what <tt>gmake</tt> is doing on standard output.
|
Print what <tt>gmake</tt> is doing on standard output.
|
||||||
<p>
|
<br><br>
|
||||||
|
|
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<dt><tt>gmake TOOL_VERBOSE=1</tt></dt>
|
<dt><tt>gmake TOOL_VERBOSE=1</tt></dt>
|
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<dd>Ask each tool invoked by the makefiles to print out what it is doing on
|
<dd>Ask each tool invoked by the makefiles to print out what it is doing on
|
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the standard output. This also implies <tt>VERBOSE=1</tt>.
|
the standard output. This also implies <tt>VERBOSE=1</tt>.
|
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<p></dd>
|
<br><br></dd>
|
||||||
</dl>
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</dl>
|
||||||
|
|
||||||
<p>Every directory in the LLVM object tree includes a <tt>Makefile</tt> to build
|
<p>Every directory in the LLVM object tree includes a <tt>Makefile</tt> to build
|
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@ -1069,7 +1073,7 @@ named after the build type:</p>
|
|||||||
<dt>Libraries
|
<dt>Libraries
|
||||||
<dd><tt><i>OBJ_ROOT</i>/Debug/lib</tt>
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<dd><tt><i>OBJ_ROOT</i>/Debug/lib</tt>
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||||||
</dl>
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</dl>
|
||||||
<p>
|
<br><br>
|
||||||
|
|
||||||
<dt>Release Builds
|
<dt>Release Builds
|
||||||
<dd>
|
<dd>
|
||||||
@ -1079,7 +1083,7 @@ named after the build type:</p>
|
|||||||
<dt>Libraries
|
<dt>Libraries
|
||||||
<dd><tt><i>OBJ_ROOT</i>/Release/lib</tt>
|
<dd><tt><i>OBJ_ROOT</i>/Release/lib</tt>
|
||||||
</dl>
|
</dl>
|
||||||
<p>
|
<br><br>
|
||||||
|
|
||||||
<dt>Profile Builds
|
<dt>Profile Builds
|
||||||
<dd>
|
<dd>
|
||||||
@ -1413,7 +1417,7 @@ are code generators for parts of LLVM infrastructure.</p>
|
|||||||
that finds differences between code that LLC generates and code that LLI
|
that finds differences between code that LLC generates and code that LLI
|
||||||
generates. This is a useful tool if you are debugging one of them,
|
generates. This is a useful tool if you are debugging one of them,
|
||||||
assuming that the other generates correct output. For the full user
|
assuming that the other generates correct output. For the full user
|
||||||
manual, run <tt>`perldoc codegen-diff'</tt>.<p>
|
manual, run <tt>`perldoc codegen-diff'</tt>.<br><br>
|
||||||
|
|
||||||
<dt><tt><b>cvsupdate</b></tt> <dd><tt>cvsupdate</tt> is a script that will
|
<dt><tt><b>cvsupdate</b></tt> <dd><tt>cvsupdate</tt> is a script that will
|
||||||
update your CVS tree, but produce a much cleaner and more organized output
|
update your CVS tree, but produce a much cleaner and more organized output
|
||||||
@ -1421,20 +1425,20 @@ are code generators for parts of LLVM infrastructure.</p>
|
|||||||
together all the new and updated files and modified files in separate
|
together all the new and updated files and modified files in separate
|
||||||
sections, so you can see at a glance what has changed. If you are at the
|
sections, so you can see at a glance what has changed. If you are at the
|
||||||
top of your LLVM CVS tree, running <tt>utils/cvsupdate</tt> is the
|
top of your LLVM CVS tree, running <tt>utils/cvsupdate</tt> is the
|
||||||
preferred way of updating the tree.<p>
|
preferred way of updating the tree.<br><br>
|
||||||
|
|
||||||
<dt><tt><b>emacs/</b></tt> <dd>The <tt>emacs</tt> directory contains
|
<dt><tt><b>emacs/</b></tt> <dd>The <tt>emacs</tt> directory contains
|
||||||
syntax-highlighting files which will work with Emacs and XEmacs editors,
|
syntax-highlighting files which will work with Emacs and XEmacs editors,
|
||||||
providing syntax highlighting support for LLVM assembly files and TableGen
|
providing syntax highlighting support for LLVM assembly files and TableGen
|
||||||
description files. For information on how to use the syntax files, consult
|
description files. For information on how to use the syntax files, consult
|
||||||
the <tt>README</tt> file in that directory.<p>
|
the <tt>README</tt> file in that directory.<br><br>
|
||||||
|
|
||||||
<dt><tt><b>getsrcs.sh</b></tt> <dd>The <tt>getsrcs.sh</tt> script finds
|
<dt><tt><b>getsrcs.sh</b></tt> <dd>The <tt>getsrcs.sh</tt> script finds
|
||||||
and outputs all non-generated source files, which is useful if one wishes
|
and outputs all non-generated source files, which is useful if one wishes
|
||||||
to do a lot of development across directories and does not want to
|
to do a lot of development across directories and does not want to
|
||||||
individually find each file. One way to use it is to run, for example:
|
individually find each file. One way to use it is to run, for example:
|
||||||
<tt>xemacs `utils/getsources.sh`</tt> from the top of your LLVM source
|
<tt>xemacs `utils/getsources.sh`</tt> from the top of your LLVM source
|
||||||
tree.<p>
|
tree.<br><br>
|
||||||
|
|
||||||
<dt><tt><b>llvmgrep</b></tt></dt>
|
<dt><tt><b>llvmgrep</b></tt></dt>
|
||||||
<dd>This little tool performs an "egrep -H -n" on each source file in LLVM and
|
<dd>This little tool performs an "egrep -H -n" on each source file in LLVM and
|
||||||
@ -1448,24 +1452,24 @@ are code generators for parts of LLVM infrastructure.</p>
|
|||||||
<tt>llvm/lib/Target/Sparc</tt>, if <tt>makellvm</tt> is in your path,
|
<tt>llvm/lib/Target/Sparc</tt>, if <tt>makellvm</tt> is in your path,
|
||||||
simply running <tt>makellvm llc</tt> will make a build of the current
|
simply running <tt>makellvm llc</tt> will make a build of the current
|
||||||
directory, switch to directory <tt>llvm/tools/llc</tt> and build it,
|
directory, switch to directory <tt>llvm/tools/llc</tt> and build it,
|
||||||
causing a re-linking of LLC.<p>
|
causing a re-linking of LLC.<br><br>
|
||||||
|
|
||||||
<dt><tt><b>NightlyTest.pl</b></tt> and
|
<dt><tt><b>NightlyTest.pl</b></tt> and
|
||||||
<tt><b>NightlyTestTemplate.html</b></tt> <dd>These files are used in a
|
<tt><b>NightlyTestTemplate.html</b></tt> <dd>These files are used in a
|
||||||
cron script to generate nightly status reports of the functionality of
|
cron script to generate nightly status reports of the functionality of
|
||||||
tools, and the results can be seen by following the appropriate link on
|
tools, and the results can be seen by following the appropriate link on
|
||||||
the <a href="http://llvm.org/">LLVM homepage</a>.<p>
|
the <a href="http://llvm.org/">LLVM homepage</a>.<br><br>
|
||||||
|
|
||||||
<dt><tt><b>TableGen/</b></tt> <dd>The <tt>TableGen</tt> directory contains
|
<dt><tt><b>TableGen/</b></tt> <dd>The <tt>TableGen</tt> directory contains
|
||||||
the tool used to generate register descriptions, instruction set
|
the tool used to generate register descriptions, instruction set
|
||||||
descriptions, and even assemblers from common TableGen description
|
descriptions, and even assemblers from common TableGen description
|
||||||
files.<p>
|
files.<br><br>
|
||||||
|
|
||||||
<dt><tt><b>vim/</b></tt> <dd>The <tt>vim</tt> directory contains
|
<dt><tt><b>vim/</b></tt> <dd>The <tt>vim</tt> directory contains
|
||||||
syntax-highlighting files which will work with the VIM editor, providing
|
syntax-highlighting files which will work with the VIM editor, providing
|
||||||
syntax highlighting support for LLVM assembly files and TableGen
|
syntax highlighting support for LLVM assembly files and TableGen
|
||||||
description files. For information on how to use the syntax files, consult
|
description files. For information on how to use the syntax files, consult
|
||||||
the <tt>README</tt> file in that directory.<p>
|
the <tt>README</tt> file in that directory.<br><br>
|
||||||
|
|
||||||
</dl>
|
</dl>
|
||||||
|
|
||||||
@ -1490,10 +1494,17 @@ are code generators for parts of LLVM infrastructure.</p>
|
|||||||
<p>This section gives an example of using LLVM. Since we are currently
|
<p>This section gives an example of using LLVM. Since we are currently
|
||||||
transitioning from llvm-gcc3 to llvm-gcc4, we include examples for both.
|
transitioning from llvm-gcc3 to llvm-gcc4, we include examples for both.
|
||||||
</p>
|
</p>
|
||||||
|
|
||||||
|
<p><b>Note:</b> The <i>gcc4</i> frontend's invocation is <b><i>considerably different</i></b>
|
||||||
|
from the previous <i>gcc3</i> frontend. In particular, the <i>gcc4</i> frontend <b><i>does not</i></b>
|
||||||
|
create bytecode by default: <i>gcc4</i> produces native code. As the example below illustrates,
|
||||||
|
the '--emit-llvm' flag is needed to produce LLVM bytecode output. For <i>makefiles</i> and
|
||||||
|
<i>configure</i> scripts, the CFLAGS variable needs '--emit-llvm' to produce bytecode
|
||||||
|
output.</p>
|
||||||
</div>
|
</div>
|
||||||
|
|
||||||
<!-- ======================================================================= -->
|
<!-- ======================================================================= -->
|
||||||
<div class="doc_subsection"><a name="tutorial3">Example with llvm-gcc4</a></div>
|
<div class="doc_subsection"><a name="tutorial4">Example with llvm-gcc4</a></div>
|
||||||
|
|
||||||
<div class="doc_text">
|
<div class="doc_text">
|
||||||
|
|
||||||
@ -1540,7 +1551,7 @@ transitioning from llvm-gcc3 to llvm-gcc4, we include examples for both.
|
|||||||
<li><p>Use the <tt>llvm-dis</tt> utility to take a look at the LLVM assembly
|
<li><p>Use the <tt>llvm-dis</tt> utility to take a look at the LLVM assembly
|
||||||
code:</p>
|
code:</p>
|
||||||
|
|
||||||
<p><tt>% llvm-dis < hello.bc | less</tt><p></li>
|
<p><tt>% llvm-dis < hello.bc | less</tt><br><br></li>
|
||||||
|
|
||||||
<li><p>Compile the program to native assembly using the LLC code
|
<li><p>Compile the program to native assembly using the LLC code
|
||||||
generator:</p>
|
generator:</p>
|
||||||
@ -1605,7 +1616,7 @@ transitioning from llvm-gcc3 to llvm-gcc4, we include examples for both.
|
|||||||
<li><p>Use the <tt>llvm-dis</tt> utility to take a look at the LLVM assembly
|
<li><p>Use the <tt>llvm-dis</tt> utility to take a look at the LLVM assembly
|
||||||
code:</p>
|
code:</p>
|
||||||
|
|
||||||
<p><tt>% llvm-dis < hello.bc | less</tt><p></li>
|
<p><tt>% llvm-dis < hello.bc | less</tt><br><br></li>
|
||||||
|
|
||||||
<li><p>Compile the program to native assembly using the LLC code
|
<li><p>Compile the program to native assembly using the LLC code
|
||||||
generator:</p>
|
generator:</p>
|
||||||
|
Loading…
Reference in New Issue
Block a user