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Merged in RELEASE_12.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12532 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
John Criswell
parent
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@ -53,11 +53,6 @@ language.
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list of available analysis passes.
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<p>
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<li> -dsa-track-integers
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<br>
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Track integers as potential pointers.
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<p>
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<li> -profile-info-file <filename>
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<br>
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Specify the name of the file loaded by the -profile-loader option.
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@ -190,6 +190,16 @@ non-obvious ways. Here are some hints and tips:<p>
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when attempting to reduce test programs. If you're trying to find
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a bug in one of these passes, <tt>bugpoint</tt> may crash.<p>
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<li><tt>-enable-correct-eh-support</tt><br>
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Make the -lowerinvoke pass insert expensive, but correct, exception
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handling code.<p>
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<li><tt>-internalize-public-api-file <filename></tt><br>
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Preserve the symbols listed in the file <tt>filename</tt>.<p>
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<li><tt>-internalize-public-api-list <list></tt><br>
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Preserve the symbols listed in <tt>list</tt>.<p>
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<li> <tt>-help</tt><br>
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Print a summary of command line options.<p>
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@ -215,6 +225,9 @@ non-obvious ways. Here are some hints and tips:<p>
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<tt>bugpoint</tt> will attempt to generate a reference output by
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compiling the program with the C backend and running it.<p>
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<li><tt>-profile-info-file <filename></tt><br>
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Profile file loaded by -profile-loader.<p>
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<a name="opt_run-"><li><tt>-run-{int,jit,llc,cbe}</tt><br>
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Whenever the test program is compiled, <tt>bugpoint</tt> should generate
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code for it using the specified code generator. These options allow
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@ -53,11 +53,6 @@ writes its output to the standard output.
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Specify the output filename.
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<p>
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<li> -dsa-track-integers
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<br>
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Track integers as potential pointers.
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<p>
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<li> -profile-info-file <filename>
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<br>
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Specify the name of the file loaded by the -profile-loader option.
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@ -49,6 +49,8 @@
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<li>I've built LLVM and am testing it, but the tests freeze.</li>
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<li>Why do test results differ when I perform different types of builds?</li>
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<li>Compiling LLVM with GCC 3.3.2 fails, what should I do?</li>
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<li>When I use the test suite, all of the C Backend tests fail. What is
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wrong?</li>
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</ol></li>
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<li><a href="#cfe">Using the GCC Front End</a>
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@ -341,6 +343,31 @@ build.</p>
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affects projects other than LLVM. Try upgrading or downgrading your GCC.</p>
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</div>
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<div class="question">
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<p>
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When I use the test suite, all of the C Backend tests fail. What is
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wrong?
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</p>
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</div>
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<div class="answer">
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<p>
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If you build LLVM and the C Backend tests fail in <tt>llvm/test/Programs</tt>,
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then chances are good that the directory pointed to by the LLVM_LIB_SEARCH_PATH
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environment variable does not contain the libcrtend.a library.
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</p>
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<p>
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To fix it, verify that LLVM_LIB_SEARCH_PATH points to the correct directory
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and that libcrtend.a is inside. For pre-built LLVM GCC front ends, this
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should be the absolute path to
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<tt>cfrontend/<<i>platform</i>>/llvm-gcc/bytecode-libs</tt>. If you've
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built your own LLVM GCC front end, then ensure that you've built and installed
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the libraries in <tt>llvm/runtime</tt> and have LLVM_LIB_SEARCH_PATH pointing
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to the <tt>LLVMGCCDIR/bytecode-libs</tt> subdirectory.
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</p>
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</div>
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<!-- *********************************************************************** -->
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<div class="doc_section">
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<a name="cfe">Using the GCC Front End</a>
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@ -183,10 +183,10 @@ software you will need.</p>
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<li>Linux on x86 (Pentium and above)
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<ul>
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<li>Approximately 918 MB of Free Disk Space
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<li>Approximately 1.02 GB of Free Disk Space
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<ul>
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<li>Source code: 28 MB</li>
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<li>Object code: 850 MB</li>
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<li>Source code: 45 MB</li>
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<li>Object code: 956 MB</li>
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<li>GCC front end: 40 MB</li>
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</ul></li>
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</ul>
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@ -194,10 +194,10 @@ software you will need.</p>
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<li>Solaris on SparcV9 (Ultrasparc)
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<ul>
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<li>Approximately 1.52 GB of Free Disk Space
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<li>Approximately 1.75 GB of Free Disk Space
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<ul>
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<li>Source code: 28 MB</li>
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<li>Object code: 1470 MB</li>
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<li>Source code: 45 MB</li>
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<li>Object code: 1705 MB</li>
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<li>GCC front end: 50 MB</li>
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</ul></li>
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</ul>
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@ -205,9 +205,9 @@ software you will need.</p>
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<li>FreeBSD on x86 (Pentium and above)
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<ul>
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<li>Approximately 918 MB of Free Disk Space
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<li>Approximately 935 MB of Free Disk Space
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<ul>
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<li>Source code: 28 MB</li>
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<li>Source code: 45 MB</li>
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<li>Object code: 850 MB</li>
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<li>GCC front end: 40 MB</li>
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</ul></li>
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@ -217,9 +217,9 @@ software you will need.</p>
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<li>MacOS X on PowerPC
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<ul>
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<li>No native code generation
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<li>Approximately 1.20 GB of Free Disk Space
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<li>Approximately 1.25 GB of Free Disk Space
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<ul>
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<li>Source code: 28 MB</li>
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<li>Source code: 45 MB</li>
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<li>Object code: 1160 MB</li>
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<li>GCC front end: 40 MB</li>
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</ul></li>
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@ -275,10 +275,23 @@ LLVM:</p>
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automake from 1.4p5 on should work; we only use aclocal from that
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package.</p></li>
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<li><A href="http://www.codesourcery.com/qm/qmtest">QMTest</A></li>
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<li><A href="http://www.codesourcery.com/qm/qmtest">QMTest 2.0.3</A></li>
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<li><A href="http://www.python.org">Python</A>
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<p>These are needed to use the LLVM test suite.</p></li>
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<p>
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These are needed to use the LLVM test suite. Please note that newer
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versions of QMTest may not work with the LLVM test suite. QMTest 2.0.3
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can be retrieved from the QMTest CVS repository using the following
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commands:
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<ul>
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<li><tt>cvs -d :pserver:anoncvs@cvs.codesourcery.com:/home/qm/Repository login</tt>
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</li>
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<li>When prompted, use <tt>anoncvs</tt> as the password.
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</li>
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<li><tt>cvs -d :pserver:anoncvs@cvs.codesourcery.com:/home/qm/Repository co -r release-2-0-3 qm</tt>
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</li>
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</ul>
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</p></li>
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</ul>
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@ -888,7 +901,7 @@ different <a href="#tools">tools</a>.</p>
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<dt><tt>llvm/lib/Target/</tt><dd> This directory contains files that
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describe various target architectures for code generation. For example,
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the llvm/lib/Target/Sparc directory holds the Sparc machine
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the llvm/lib/Target/SparcV9 directory holds the Sparc machine
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description.<br>
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<dt><tt>llvm/lib/CodeGen/</tt><dd> This directory contains the major parts
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@ -121,12 +121,12 @@ href="http://llvm.cs.uiuc.edu/PR203">RPM package generation</a>.</li>
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</ul>
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</li>
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<li><a href="http://llvm.cs.uiuc.edu/PR253">LLVM now no longer depends on the boost library</a>.</li>
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<li>The X86 backend now generates <b>substantially</b> better native code, and is faster.</li>
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<li>The X86 backend now generates <b>substantially</b> better native code and is faster.</li>
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<li>The C backend has been turned moved from the "llvm-dis" tool to the "llc"
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tool. You can activate it with "<tt>llc -march=c foo.bc -o foo.c</tt>".</li>
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<li>LLVM includes a new interprocedural optimization that marks global variables
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"constant" when they are provably never written to.</li>
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<li>LLVM now includes a new interprocedural optimization that converts small "by reference" arguments to "by value" arguments, which is often improve the performance of C++ programs substantially.</li>
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<li>LLVM now includes a new interprocedural optimization that converts small "by reference" arguments to "by value" arguments, which often improves the performance of C++ programs substantially.</li>
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<li>Bugpoint can now do a better job reducing miscompilation problems by
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reducing programs down to a particular loop nest, instead of just the function
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being miscompiled.</li>
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@ -145,7 +145,7 @@ In this release, the following missing features were implemented:
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<ol>
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<li><a href="http://llvm.cs.uiuc.edu/PR16">Exception handling in the X86
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& Sparc native code generators</a> is now supported</li>
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<li>The C/C++ front-end now support the GCC <tt>__builtin_return_address</tt> and <tt>__builtin_frame_address</tt> extensions. These are also supported by the X86 backend and by the C backend.</li>
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<li>The C/C++ front-end now supports the GCC <tt>__builtin_return_address</tt> and <tt>__builtin_frame_address</tt> extensions. These are also supported by the X86 backend and by the C backend.</li>
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<li><a href="http://llvm.cs.uiuc.edu/PR249">[X86] Missing cast from ULong -> Double, cast FP -> bool and support for -9223372036854775808</a></li>
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<li>The C/C++ front-end <a href="http://llvm.cs.uiuc.edu/PR273">now supports</a>
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the "<a href="http://gcc.gnu.org/onlinedocs/gcc/Labels-as-Values.html#Labels%20as%20Values">labels as values</a>" GCC extension, often used to build "threaded interpreters".</a></li>
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@ -34,6 +34,10 @@ ifeq ($(OS),SunOS)
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QMEXPECT:=$(LLVM_SRC_ROOT)/test/QMTest/expectations.sunos.qmr
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endif
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ifeq ($(OS),Darwin)
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QMEXPECT:=$(LLVM_SRC_ROOT)/test/QMTest/expectations.darwin.qmr
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endif
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#
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# This is configuration information used by the test suite. In QM Test, it's
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# called a 'context.'
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