diff options
| author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
|---|---|---|
| committer | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
| commit | be1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch) | |
| tree | 1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/www/demo/DemoInfo.html | |
| parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
| parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) | |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/www/demo/DemoInfo.html')
| -rw-r--r-- | clang/www/demo/DemoInfo.html | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/clang/www/demo/DemoInfo.html b/clang/www/demo/DemoInfo.html new file mode 100644 index 0000000..54a5afa --- /dev/null +++ b/clang/www/demo/DemoInfo.html @@ -0,0 +1,83 @@ + +<html> +<head> +<title> +Demo page information +</title> +</head> + +<body> + +<h1>Demo page information</h1> + +<p>Press "back" or <a href=".">click here</a> to return to the demo +page.</p> + +<h2><a name="hints">Hints and Advice</a></h2> + +<ul> +<li>The generated LLVM code will be easier to read if +you use stdio (e.g., printf) than iostreams (e.g., std::cout).</li> + +<li>Unused inline functions and methods are not generated. Instead +of '<tt>class foo { void bar() {}};</tt>', +try writing '<tt>class foo { void bar(); }; void foo::bar() {}</tt>'.</li> + +<li>If you want to try out a file that uses non-standard header files, you should + preprocess it (e.g., with the <tt>-save-temps</tt> or <tt>-E</tt> options to + <tt>gcc</tt>) then upload the result.</li> + +</ul> + + +<h2><a name="demangle">Demangle C++ names with C++ filt</a></h2> + +<p> +Select this option if you want to run the output LLVM IR through "c++filt", +which converts 'mangled' C++ names to their unmangled version. +Note that LLVM code produced will not be lexically valid, but it will +be easier to understand. +</p> + +<h2><a name="lto">Run link-time optimizer</a></h2> + +<p> +Select this option to run the LLVM link-time optimizer, which is designed to +optimize across files in your application. Since the demo page doesn't allow +you to upload multiple files at once, and does not link in any libraries, we +configured the demo page optimizer to assume there are no calls +coming in from outside the source file, allowing it to optimize more +aggressively.</p> + +<p>Note that you have to define 'main' in your program for this +to make much of a difference. +</p> + +<h2><a name="stats">Show detailed pass statistics</a></h2> + +<p> +Select this option to enable compilation timings and statistics from various +optimizers.</p> + + +<h2><a name="bcanalyzer">Analyze generated bytecode</a></h2> + +<p> +Select this option to run the <a +href="http://llvm.org/cmds/llvm-bcanalyzer.html">llvm-bcanalyzer</a> tool +on the generated bytecode, which introspects into the format of the .bc file +itself. </p> + + +<h2><a name="llvm2cpp">Show C++ API code</a></h2> + +<p> +Select this option to run the <a +href="http://llvm.org/cmds/llvm2cpp.html">llvm2cpp</a> tool +on the generated bytecode, which auto generates the C++ API calls that could +be used to create the .bc file. +</p> + +</body> +</html> + |