polly/www/get_started.html - llvm-project - Git at Google

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 <h1>Building and Installing Polly</h1>
 You can build Polly with <a href="https://cmake.org/">cmake</a> and your preferred geneator (e.g. Ninja, make, Visual Studio, etc.).

 <h3 id="source">Get the code</h3>

 <pre>
 git clone https://github.com/llvm/llvm-project.git
 </pre>

 You can also get a shallow clone by running:

 <pre>
 git clone --depth 1 https://github.com/llvm/llvm-project.git
 </pre>

 <h3 id="build">Build Polly</h3>

 <pre>
 mkdir build && cd build
 cmake '-DLLVM_ENABLE_PROJECTS=clang;polly' ../llvm
 cmake --build .
 </pre>

 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>).

 If you just want to play around with Polly, it is recommended to do a Release+Assert build by passing
 <code>-DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=ON</code>.

 <h3>Test Polly</h3>

 To test Polly, you can run

 <pre>cmake --build . --target check-polly</pre>

 <h3>Using Polly</h3>

 Suppose that you want to compile a program hello.c using Polly.

 To compile it with Polly (in the build folder), you can run:

 <pre>
 bin/clang -O3 -mllvm -polly hello.c
 </pre>

 <h3> Troubleshooting</h3>

 <p>
   If you run out of memory when building with Ninja, try lowering the concurrency of Ninja (e.g. <code> ninja -j 2 </code>).
   More tips and tricks to building and using LLVM can be found <a href="https://llvm.org/docs/GettingStarted.html#common-problems">here</a>.
 </p>

 <p>
 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>.
 </p>

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 </div>

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	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
	"http://www.w3.org/TR/html4/strict.dtd">
	<html>
	<head>
	<META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
	<title>Polly - Getting Started</title>
	<link type="text/css" rel="stylesheet" href="menu.css" />
	<link type="text/css" rel="stylesheet" href="content.css" />
	</head>
	<body>

	<div id="box">
	<!--#include virtual="menu.html.incl"-->

	<div id="content">

	<h1>Building and Installing Polly</h1>
	You can build Polly with <a href="https://cmake.org/">cmake</a> and your preferred geneator (e.g. Ninja, make, Visual Studio, etc.).

	<h3 id="source">Get the code</h3>

	<pre>
	git clone https://github.com/llvm/llvm-project.git
	</pre>

	You can also get a shallow clone by running:

	<pre>
	git clone --depth 1 https://github.com/llvm/llvm-project.git
	</pre>

	<h3 id="build">Build Polly</h3>

	<pre>
	mkdir build && cd build
	cmake '-DLLVM_ENABLE_PROJECTS=clang;polly' ../llvm
	cmake --build .
	</pre>

	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>).

	If you just want to play around with Polly, it is recommended to do a Release+Assert build by passing
	<code>-DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=ON</code>.

	<h3>Test Polly</h3>

	To test Polly, you can run

	<pre>cmake --build . --target check-polly</pre>

	<h3>Using Polly</h3>

	Suppose that you want to compile a program hello.c using Polly.

	To compile it with Polly (in the build folder), you can run:

	<pre>
	bin/clang -O3 -mllvm -polly hello.c
	</pre>

	<h3> Troubleshooting</h3>

	<p>
	If you run out of memory when building with Ninja, try lowering the concurrency of Ninja (e.g. <code> ninja -j 2 </code>).
	More tips and tricks to building and using LLVM can be found <a href="https://llvm.org/docs/GettingStarted.html#common-problems">here</a>.
	</p>

	<p>
	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>.
	</p>

	</div>
	</div>

	</body>
	</html>