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77 lines
2.1 KiB
HTML
77 lines
2.1 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
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"http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
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<title>Polly - Getting Started</title>
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<link type="text/css" rel="stylesheet" href="menu.css" />
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<link type="text/css" rel="stylesheet" href="content.css" />
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</head>
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<body>
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<div id="box">
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<!--#include virtual="menu.html.incl"-->
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<div id="content">
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<h1>Building and Installing Polly</h1>
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You can build Polly with <a href="https://cmake.org/">cmake</a> and your preferred generator (e.g. Ninja, make, Visual Studio, etc.).
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<h3 id="source">Get the code</h3>
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<pre>
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git clone https://github.com/llvm/llvm-project.git
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</pre>
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You can also get a shallow clone by running:
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<pre>
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git clone --depth 1 https://github.com/llvm/llvm-project.git
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</pre>
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<h3 id="build">Build Polly</h3>
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<pre>
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mkdir build && cd build
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cmake '-DLLVM_ENABLE_PROJECTS=clang;polly' ../llvm
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cmake --build .
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</pre>
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You can also pass arguments to cmake to specify a particular generator (e.g. <code>-G Ninja</code>) or the build type (<code>-DCMAKE_BUILD_TYPE=Release</code>).
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If you just want to play around with Polly, it is recommended to do a Release+Assert build by passing
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<code>-DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=ON</code>.
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<h3>Test Polly</h3>
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To test Polly, you can run
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<pre>cmake --build . --target check-polly</pre>
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<h3>Using Polly</h3>
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Suppose that you want to compile a program hello.c using Polly.
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To compile it with Polly (in the build folder), you can run:
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<pre>
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bin/clang -O3 -mllvm -polly hello.c
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</pre>
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<h3> Troubleshooting</h3>
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<p>
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If you run out of memory when building with Ninja, try lowering the concurrency of Ninja (e.g. <code> ninja -j 2 </code>).
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More tips and tricks to building and using LLVM can be found <a href="https://llvm.org/docs/GettingStarted.html#common-problems">here</a>.
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</p>
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<p>
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For more information on getting started with Polly and LLVM in general, see LLVM's <a href = "https://llvm.org/docs/GettingStarted.html">getting started docs</a>.
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</p>
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</div>
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</div>
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</body>
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</html>
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