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| 1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" | 1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" |
| 2 "http://www.w3.org/TR/html4/strict.dtd"> | 2 "http://www.w3.org/TR/html4/strict.dtd"> |
| 3 <html> | 3 <html> |
| 4 <head> | 4 <head> |
| 5 <title>TableGen Fundamentals</title> | 5 <title>TableGen Fundamentals</title> |
| 6 <link rel="stylesheet" href="llvm.css" type="text/css"> | 6 <link rel="stylesheet" href="llvm.css" type="text/css"> |
| 7 </head> | 7 </head> |
| 8 <body> | 8 <body> |
| 9 | 9 |
| 10 <h1>TableGen Fundamentals</h1> | 10 <h1>TableGen Fundamentals</h1> |
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| 790 the specified file in place of the include directive. The filename should be | 790 the specified file in place of the include directive. The filename should be |
| 791 specified as a double quoted string immediately after the '<tt>include</tt>' | 791 specified as a double quoted string immediately after the '<tt>include</tt>' |
| 792 keyword. Example:</p> | 792 keyword. Example:</p> |
| 793 | 793 |
| 794 <div class="doc_code"> | 794 <div class="doc_code"> |
| 795 <pre> | 795 <pre> |
| 796 <b>include</b> "foo.td" | 796 <b>include</b> "foo.td" |
| 797 </pre> | 797 </pre> |
| 798 </div> | 798 </div> |
| 799 | 799 |
| 800 <p>TableGen also supports '<tt>include_if</tt>', which only includes the |
| 801 specified file if TableGen was given a define (similar to pre-processor |
| 802 defines) via the commandline option '<tt>-D</tt>'. Example: |
| 803 |
| 804 <div class="doc_code"> |
| 805 <pre> |
| 806 <b>include_if</b> "TARGET_FOO" "foo.td" |
| 807 </pre> |
| 808 </div> |
| 809 |
| 800 </div> | 810 </div> |
| 801 | 811 |
| 802 <!-- --------------------------------------------------------------------------> | 812 <!-- --------------------------------------------------------------------------> |
| 803 <h4> | 813 <h4> |
| 804 <a name="globallet">'let' expressions</a> | 814 <a name="globallet">'let' expressions</a> |
| 805 </h4> | 815 </h4> |
| 806 | 816 |
| 807 <div> | 817 <div> |
| 808 | 818 |
| 809 <p>"Let" expressions at file scope are similar to <a href="#recordlet">"let" | 819 <p>"Let" expressions at file scope are similar to <a href="#recordlet">"let" |
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| 909 <a href="http://validator.w3.org/check/referer"><img | 919 <a href="http://validator.w3.org/check/referer"><img |
| 910 src="http://www.w3.org/Icons/valid-html401-blue" alt="Valid HTML 4.01"></a> | 920 src="http://www.w3.org/Icons/valid-html401-blue" alt="Valid HTML 4.01"></a> |
| 911 | 921 |
| 912 <a href="mailto:sabre@nondot.org">Chris Lattner</a><br> | 922 <a href="mailto:sabre@nondot.org">Chris Lattner</a><br> |
| 913 <a href="http://llvm.org/">LLVM Compiler Infrastructure</a><br> | 923 <a href="http://llvm.org/">LLVM Compiler Infrastructure</a><br> |
| 914 Last modified: $Date$ | 924 Last modified: $Date$ |
| 915 </address> | 925 </address> |
| 916 | 926 |
| 917 </body> | 927 </body> |
| 918 </html> | 928 </html> |
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Chromium Code Reviews
Issue 7792066:
[llvm] Conditionally include target intrinsics, based on --enable-target
Base URL: https://llvm.org/svn/llvm-project/llvm/trunk/