blob: d24404c0e511fee0dd5dc951320f57a53027e436 [file] [log] [blame]
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<!-- Copyright (C) 1988-2015 Free Software Foundation, Inc.
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3 or
any later version published by the Free Software Foundation; with the
Invariant Sections being "Funding Free Software", the Front-Cover
Texts being (a) (see below), and with the Back-Cover Texts being (b)
(see below). A copy of the license is included in the section entitled
"GNU Free Documentation License".
(a) The FSF's Front-Cover Text is:
A GNU Manual
(b) The FSF's Back-Cover Text is:
You have freedom to copy and modify this GNU Manual, like GNU
software. Copies published by the Free Software Foundation raise
funds for GNU development. -->
<!-- Created by GNU Texinfo 5.2, http://www.gnu.org/software/texinfo/ -->
<head>
<title>GNU Compiler Collection (GCC) Internals: GIMPLE_CALL</title>
<meta name="description" content="GNU Compiler Collection (GCC) Internals: GIMPLE_CALL">
<meta name="keywords" content="GNU Compiler Collection (GCC) Internals: GIMPLE_CALL">
<meta name="resource-type" content="document">
<meta name="distribution" content="global">
<meta name="Generator" content="makeinfo">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link href="index.html#Top" rel="start" title="Top">
<link href="Option-Index.html#Option-Index" rel="index" title="Option Index">
<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
<link href="Tuple-specific-accessors.html#Tuple-specific-accessors" rel="up" title="Tuple specific accessors">
<link href="GIMPLE_005fCATCH.html#GIMPLE_005fCATCH" rel="next" title="GIMPLE_CATCH">
<link href="GIMPLE_005fBIND.html#GIMPLE_005fBIND" rel="prev" title="GIMPLE_BIND">
<style type="text/css">
<!--
a.summary-letter {text-decoration: none}
blockquote.smallquotation {font-size: smaller}
div.display {margin-left: 3.2em}
div.example {margin-left: 3.2em}
div.indentedblock {margin-left: 3.2em}
div.lisp {margin-left: 3.2em}
div.smalldisplay {margin-left: 3.2em}
div.smallexample {margin-left: 3.2em}
div.smallindentedblock {margin-left: 3.2em; font-size: smaller}
div.smalllisp {margin-left: 3.2em}
kbd {font-style:oblique}
pre.display {font-family: inherit}
pre.format {font-family: inherit}
pre.menu-comment {font-family: serif}
pre.menu-preformatted {font-family: serif}
pre.smalldisplay {font-family: inherit; font-size: smaller}
pre.smallexample {font-size: smaller}
pre.smallformat {font-family: inherit; font-size: smaller}
pre.smalllisp {font-size: smaller}
span.nocodebreak {white-space:nowrap}
span.nolinebreak {white-space:nowrap}
span.roman {font-family:serif; font-weight:normal}
span.sansserif {font-family:sans-serif; font-weight:normal}
ul.no-bullet {list-style: none}
-->
</style>
</head>
<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
<a name="GIMPLE_005fCALL"></a>
<div class="header">
<p>
Next: <a href="GIMPLE_005fCATCH.html#GIMPLE_005fCATCH" accesskey="n" rel="next"><code>GIMPLE_CATCH</code></a>, Previous: <a href="GIMPLE_005fBIND.html#GIMPLE_005fBIND" accesskey="p" rel="prev"><code>GIMPLE_BIND</code></a>, Up: <a href="Tuple-specific-accessors.html#Tuple-specific-accessors" accesskey="u" rel="up">Tuple specific accessors</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p>
</div>
<hr>
<a name="GIMPLE_005fCALL-1"></a>
<h4 class="subsection">11.7.4 <code>GIMPLE_CALL</code></h4>
<a name="index-GIMPLE_005fCALL"></a>
<dl>
<dt><a name="index-gimple_005fbuild_005fcall"></a>GIMPLE function: <em>gimple</em> <strong>gimple_build_call</strong> <em>(tree fn, unsigned nargs, ...)</em></dt>
<dd><p>Build a <code>GIMPLE_CALL</code> statement to function <code>FN</code>. The argument <code>FN</code>
must be either a <code>FUNCTION_DECL</code> or a gimple call address as
determined by <code>is_gimple_call_addr</code>. <code>NARGS</code> are the number of
arguments. The rest of the arguments follow the argument <code>NARGS</code>,
and must be trees that are valid as rvalues in gimple (i.e., each
operand is validated with <code>is_gimple_operand</code>).
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fbuild_005fcall_005ffrom_005ftree"></a>GIMPLE function: <em>gimple</em> <strong>gimple_build_call_from_tree</strong> <em>(tree call_expr)</em></dt>
<dd><p>Build a <code>GIMPLE_CALL</code> from a <code>CALL_EXPR</code> node. The arguments and the
function are taken from the expression directly. This routine
assumes that <code>call_expr</code> is already in GIMPLE form. That is, its
operands are GIMPLE values and the function call needs no further
simplification. All the call flags in <code>call_expr</code> are copied over
to the new <code>GIMPLE_CALL</code>.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fbuild_005fcall_005fvec"></a>GIMPLE function: <em>gimple</em> <strong>gimple_build_call_vec</strong> <em>(tree fn, <code>VEC</code>(tree, heap) *args)</em></dt>
<dd><p>Identical to <code>gimple_build_call</code> but the arguments are stored in a
<code>VEC</code>().
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005flhs"></a>GIMPLE function: <em>tree</em> <strong>gimple_call_lhs</strong> <em>(gimple g)</em></dt>
<dd><p>Return the <code>LHS</code> of call statement <code>G</code>.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005flhs_005fptr"></a>GIMPLE function: <em>tree *</em> <strong>gimple_call_lhs_ptr</strong> <em>(gimple g)</em></dt>
<dd><p>Return a pointer to the <code>LHS</code> of call statement <code>G</code>.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005fset_005flhs"></a>GIMPLE function: <em>void</em> <strong>gimple_call_set_lhs</strong> <em>(gimple g, tree lhs)</em></dt>
<dd><p>Set <code>LHS</code> to be the <code>LHS</code> operand of call statement <code>G</code>.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005ffn"></a>GIMPLE function: <em>tree</em> <strong>gimple_call_fn</strong> <em>(gimple g)</em></dt>
<dd><p>Return the tree node representing the function called by call
statement <code>G</code>.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005fset_005ffn"></a>GIMPLE function: <em>void</em> <strong>gimple_call_set_fn</strong> <em>(gimple g, tree fn)</em></dt>
<dd><p>Set <code>FN</code> to be the function called by call statement <code>G</code>. This has
to be a gimple value specifying the address of the called
function.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005ffndecl"></a>GIMPLE function: <em>tree</em> <strong>gimple_call_fndecl</strong> <em>(gimple g)</em></dt>
<dd><p>If a given <code>GIMPLE_CALL</code>&rsquo;s callee is a <code>FUNCTION_DECL</code>, return it.
Otherwise return <code>NULL</code>. This function is analogous to
<code>get_callee_fndecl</code> in <code>GENERIC</code>.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005fset_005ffndecl"></a>GIMPLE function: <em>tree</em> <strong>gimple_call_set_fndecl</strong> <em>(gimple g, tree fndecl)</em></dt>
<dd><p>Set the called function to <code>FNDECL</code>.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005freturn_005ftype"></a>GIMPLE function: <em>tree</em> <strong>gimple_call_return_type</strong> <em>(gimple g)</em></dt>
<dd><p>Return the type returned by call statement <code>G</code>.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005fchain"></a>GIMPLE function: <em>tree</em> <strong>gimple_call_chain</strong> <em>(gimple g)</em></dt>
<dd><p>Return the static chain for call statement <code>G</code>.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005fset_005fchain"></a>GIMPLE function: <em>void</em> <strong>gimple_call_set_chain</strong> <em>(gimple g, tree chain)</em></dt>
<dd><p>Set <code>CHAIN</code> to be the static chain for call statement <code>G</code>.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005fnum_005fargs"></a>GIMPLE function: <em>unsigned</em> <strong>gimple_call_num_args</strong> <em>(gimple g)</em></dt>
<dd><p>Return the number of arguments used by call statement <code>G</code>.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005farg"></a>GIMPLE function: <em>tree</em> <strong>gimple_call_arg</strong> <em>(gimple g, unsigned index)</em></dt>
<dd><p>Return the argument at position <code>INDEX</code> for call statement <code>G</code>. The
first argument is 0.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005farg_005fptr"></a>GIMPLE function: <em>tree *</em> <strong>gimple_call_arg_ptr</strong> <em>(gimple g, unsigned index)</em></dt>
<dd><p>Return a pointer to the argument at position <code>INDEX</code> for call
statement <code>G</code>.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005fset_005farg"></a>GIMPLE function: <em>void</em> <strong>gimple_call_set_arg</strong> <em>(gimple g, unsigned index, tree arg)</em></dt>
<dd><p>Set <code>ARG</code> to be the argument at position <code>INDEX</code> for call statement
<code>G</code>.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005fset_005ftail"></a>GIMPLE function: <em>void</em> <strong>gimple_call_set_tail</strong> <em>(gimple s)</em></dt>
<dd><p>Mark call statement <code>S</code> as being a tail call (i.e., a call just
before the exit of a function). These calls are candidate for
tail call optimization.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005ftail_005fp"></a>GIMPLE function: <em>bool</em> <strong>gimple_call_tail_p</strong> <em>(gimple s)</em></dt>
<dd><p>Return true if <code>GIMPLE_CALL</code> <code>S</code> is marked as a tail call.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005fmark_005funinlinable"></a>GIMPLE function: <em>void</em> <strong>gimple_call_mark_uninlinable</strong> <em>(gimple s)</em></dt>
<dd><p>Mark <code>GIMPLE_CALL</code> <code>S</code> as being uninlinable.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005fcannot_005finline_005fp"></a>GIMPLE function: <em>bool</em> <strong>gimple_call_cannot_inline_p</strong> <em>(gimple s)</em></dt>
<dd><p>Return true if <code>GIMPLE_CALL</code> <code>S</code> cannot be inlined.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005fnoreturn_005fp"></a>GIMPLE function: <em>bool</em> <strong>gimple_call_noreturn_p</strong> <em>(gimple s)</em></dt>
<dd><p>Return true if <code>S</code> is a noreturn call.
</p></dd></dl>
<dl>
<dt><a name="index-gimple_005fcall_005fcopy_005fskip_005fargs"></a>GIMPLE function: <em>gimple</em> <strong>gimple_call_copy_skip_args</strong> <em>(gimple stmt, bitmap args_to_skip)</em></dt>
<dd><p>Build a <code>GIMPLE_CALL</code> identical to <code>STMT</code> but skipping the arguments
in the positions marked by the set <code>ARGS_TO_SKIP</code>.
</p></dd></dl>
<hr>
<div class="header">
<p>
Next: <a href="GIMPLE_005fCATCH.html#GIMPLE_005fCATCH" accesskey="n" rel="next"><code>GIMPLE_CATCH</code></a>, Previous: <a href="GIMPLE_005fBIND.html#GIMPLE_005fBIND" accesskey="p" rel="prev"><code>GIMPLE_BIND</code></a>, Up: <a href="Tuple-specific-accessors.html#Tuple-specific-accessors" accesskey="u" rel="up">Tuple specific accessors</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p>
</div>
</body>
</html>