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| author | Chris Lattner <sabre@nondot.org> | 2006-01-23 23:23:47 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-01-23 23:23:47 +0000 |
| commit | 4e9aba7c121bddc51ecbe2fa29582731a474c30f (patch) | |
| tree | 7474bcc6713fc6adbfb7641eb1783fcd6a74b483 /docs/LangRef.html | |
| parent | e1b2e14f92e8e9da1eb4854511a881cf9c22af3c (diff) | |
| download | external_llvm-4e9aba7c121bddc51ecbe2fa29582731a474c30f.zip external_llvm-4e9aba7c121bddc51ecbe2fa29582731a474c30f.tar.gz external_llvm-4e9aba7c121bddc51ecbe2fa29582731a474c30f.tar.bz2 | |
document module-level inline asm support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25561 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/LangRef.html')
| -rw-r--r-- | docs/LangRef.html | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/docs/LangRef.html b/docs/LangRef.html index 7d308c4..b7c59a5 100644 --- a/docs/LangRef.html +++ b/docs/LangRef.html @@ -23,7 +23,8 @@ <li><a href="#linkage">Linkage Types</a></li> <li><a href="#callingconv">Calling Conventions</a></li> <li><a href="#globalvars">Global Variables</a></li> - <li><a href="#functionstructure">Function Structure</a></li> + <li><a href="#functionstructure">Functions</a></li> + <li><a href="#moduleasm">Module-Level Inline Assembly</a></li> </ol> </li> <li><a href="#typesystem">Type System</a> @@ -580,6 +581,34 @@ a power of 2.</p> </div> +<!-- ======================================================================= --> +<div class="doc_subsection"> + <a name="moduleasm">Module-Level Inline Assembly</a></li> +</div> + +<div class="doc_text"> +<p> +Modules may contain "module-level inline asm" blocks, which corresponds to the +GCC "file scope inline asm" blocks. These blocks are internally concatenated by +LLVM and treated as a single unit, but may be separated in the .ll file if +desired. The syntax is very simple: +</p> + +<div class="doc_code"><pre> + asm "inline asm code goes here" + asm "more can go here" +</pre></div> + +<p>The strings can contain any character by escaping non-printable characters. + The escape sequence used is simply "\xx" where "xx" is the two digit hex code + for the number. +</p> + +<p> + The inline asm code is simply printed to the machine code .s file when + assembly code is generated. +</p> +</div> <!-- *********************************************************************** --> |