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fix typos, tweak stuff, make it to validate
llvm-svn: 52015
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@ -81,7 +81,7 @@ It includes a large number of features and refinements from LLVM 2.2.</p>
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<p>LLVM 2.2 was the last LLVM release to support llvm-gcc 4.0 and llvm-upgrade.
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llvm-gcc 4.0 has been replaced with llvm-gcc 4.2. llvm-upgrade was useful for
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upgrading LLVM 1.9 files to LLVM 2.x syntax, but you can always use a previous
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LLVM release to do this. One nice impact of this is that the LLVM regressionn
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LLVM release to do this. One nice impact of this is that the LLVM regression
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test suite no longer depends on llvm-upgrade, which makes it run faster.</p>
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<p>LLVM 2.3 renames the LLVMBuilder and LLVMFoldingBuilder classes to
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@ -113,15 +113,15 @@ superset of the features as the 'gcc' driver.</p>
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dispatching them to different tools.</li>
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<li>Flexible (and extensible) rules for defining different tools.</li>
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<li>The different intermediate steps performed by tools are represented
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as edged in the abstract graph.</li>
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</l>The 'language' for driver behaviour definition is tablegen and thus
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as edges in the abstract graph.</li>
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<li>The 'language' for driver behaviour definition is tablegen and thus
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it's relatively easy to add new features.</li>
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<li>The definition of driver is transformed into set of C++ classes, thus
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no runtime interpretation is needed.</li>
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</ul>
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</li>
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<li>Reimplemented <a href="LinkTimeOptimization.html">LTO interface</a> in
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C.</li>
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@ -196,7 +196,7 @@ faster:</p>
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<ul>
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<li>MemOperand in the code generator: describe me!.</li>
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<li>Target-independent codegen infastructure now uses LLVM's APInt class for
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handling integer values, which allow it to support integer types larger
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handling integer values, which allows it to support integer types larger
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than 64 bits. Note that support for such types is also dependent on
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target-specific support. Use of APInt is also a step toward support for
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non-power-of-2 integer sizes.</li>
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@ -220,12 +220,12 @@ LLVM 2.3 optimizers support a few major enhancements:</p>
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<ul>
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<li>Loop index set splitting on by default: describe me.</li>
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<li>LLVM includes a new memcpy optimization pass which optimizes out dead
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memcpy calls, unneeded copies of aggregates, and handles the return slot
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<li>LLVM includes a new <tt>memcpy</tt> optimization pass which optimizes out dead
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<tt>memcpy</tt> calls, unneeded copies of aggregates, and handles the return slot
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optimization. The LLVM optimizer now notices long sequences of consequtive
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stores and merges them into memcpy's where profitable.</li>
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<li>Alignment detection for vector memory references and for memcpy and
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memset is now more aggressive.</li>
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stores and merges them into <tt>memcpy</tt>s where profitable.</li>
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<li>Alignment detection for vector memory references and for <tt>memcpy</tt> and
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<tt>memset</tt> is now more aggressive.</li>
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</ul>
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</div>
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@ -242,7 +242,7 @@ memset is now more aggressive.</li>
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<ul>
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<li>llvm-gcc's X86-64 ABI conformance is far improved, particularly in the
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area of passing and returning structures by value. llvm-gcc Compiled code
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area of passing and returning structures by value. llvm-gcc compiled code
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now interoperates very well on X86-64 systems with other compilers.</li>
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<li>The LLVM X86 backend now supports the support SSE 4.1 instruction set, and
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@ -281,7 +281,7 @@ memset is now more aggressive.</li>
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</p>
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<ul>
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<li>The LLVM C backend now supports vectors code.</li>
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<li>The LLVM C backend now supports vector code.</li>
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</ul>
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@ -301,7 +301,7 @@ memset is now more aggressive.</li>
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<ul>
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<li>LLVM now builds with GCC 4.3.</li>
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<li>llvm2cpp tool was moved into llc, use llc -march=cpp</li>
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<li>llvm2cpp tool has been folded into llc, use <tt>llc -march=cpp</tt></li>
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</ul>
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</div>
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@ -317,16 +317,16 @@ memset is now more aggressive.</li>
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<p>LLVM is known to work on the following platforms:</p>
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<ul>
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<li>Intel and AMD machines running Red Hat Linux, Fedora Core and FreeBSD
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<li>Intel and AMD machines (IA32) running Red Hat Linux, Fedora Core and FreeBSD
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(and probably other unix-like systems).</li>
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<li>PowerPC and X86-based Mac OS X systems, running 10.3 and above in 32-bit and
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64-bit modes.</li>
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<li>Intel and AMD machines running on Win32 using MinGW libraries (native).</li>
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<li>Intel and AMD machines running on Win32 with the Cygwin libraries (limited
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support is available for native builds with Visual C++).</li>
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<li>Sun UltraSPARC workstations running Solaris 8.</li>
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<li>Sun UltraSPARC workstations running Solaris 10.</li>
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<li>Alpha-based machines running Debian GNU/Linux.</li>
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<li>Itanium-based machines running Linux and HP-UX.</li>
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<li>Itanium-based (IA64) machines running Linux and HP-UX.</li>
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</ul>
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<p>The core LLVM infrastructure uses GNU autoconf to adapt itself
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@ -573,11 +573,11 @@ crashing if an exception is raised. Workaround: do not use -E.</li>
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or finish at a non-byte offset</a> in a record. Workaround: do not pack records
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or use representation clauses that result in a field of a non-discrete type
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starting or finishing in the middle of a byte.</li>
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<li>The lli interpreter <a href="http://llvm.org/PR2009">considers 'main'
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<li>The <tt>lli</tt> interpreter <a href="http://llvm.org/PR2009">considers 'main'
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as generated by the Ada binder to be invalid</a>.
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Workaround: hand edit the file to use pointers for argv and envp rather than
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Workaround: hand edit the file to use pointers for <tt>argv</tt> and <tt>envp</tt> rather than
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integers.</li>
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<li>The -fstack-check option <a href="http://llvm.org/PR2008">is ignored</a>.</li>
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<li>The <tt>-fstack-check</tt> option <a href="http://llvm.org/PR2008">is ignored</a>.</li>
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</ul>
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</div>
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@ -590,7 +590,7 @@ integers.</li>
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<ul>
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<li>The llvm-gcc 4.2 gfortran front-end supports a broad range of Fortran code, but does
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<a href="http://llvm.org/PR1971">not support EQUIVALENCE yet</a>.</li>
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<a href="http://llvm.org/PR1971">not support <tt>EQUIVALENCE</tt> yet</a>.</li>
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</ul>
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</div>
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