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diff --git a/share/doc/gccint/Manipulating-GIMPLE-statements.html b/share/doc/gccint/Manipulating-GIMPLE-statements.html new file mode 100644 index 0000000..f4d9d62 --- /dev/null +++ b/share/doc/gccint/Manipulating-GIMPLE-statements.html @@ -0,0 +1,291 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- Copyright (C) 1988-2023 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). 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Copies published by the Free Software Foundation raise + funds for GNU development. --> +<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> +<head> +<title>GNU Compiler Collection (GCC) Internals: Manipulating GIMPLE statements</title> + +<meta name="description" content="GNU Compiler Collection (GCC) Internals: Manipulating GIMPLE statements"> +<meta name="keywords" content="GNU Compiler Collection (GCC) Internals: Manipulating GIMPLE statements"> +<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="GIMPLE.html#GIMPLE" rel="up" title="GIMPLE"> +<link href="Tuple-specific-accessors.html#Tuple-specific-accessors" rel="next" title="Tuple specific accessors"> +<link href="Logical-Operators.html#Logical-Operators" rel="previous" title="Logical Operators"> +<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="Manipulating-GIMPLE-statements"></a> +<div class="header"> +<p> +Next: <a href="Tuple-specific-accessors.html#Tuple-specific-accessors" accesskey="n" rel="next">Tuple specific accessors</a>, Previous: <a href="Operands.html#Operands" accesskey="p" rel="previous">Operands</a>, Up: <a href="GIMPLE.html#GIMPLE" accesskey="u" rel="up">GIMPLE</a> [<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="Manipulating-GIMPLE-statements-1"></a> +<h3 class="section">12.7 Manipulating GIMPLE statements</h3> +<a name="index-Manipulating-GIMPLE-statements"></a> + +<p>This section documents all the functions available to handle each +of the GIMPLE instructions. +</p> +<a name="Common-accessors"></a> +<h4 class="subsection">12.7.1 Common accessors</h4> +<p>The following are common accessors for gimple statements. +</p> +<dl> +<dt><a name="index-gimple_005fcode"></a>GIMPLE function: <em>enum gimple_code</em> <strong>gimple_code</strong> <em>(gimple g)</em></dt> +<dd><p>Return the code for statement <code>G</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fbb"></a>GIMPLE function: <em>basic_block</em> <strong>gimple_bb</strong> <em>(gimple g)</em></dt> +<dd><p>Return the basic block to which statement <code>G</code> belongs to. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fblock"></a>GIMPLE function: <em>tree</em> <strong>gimple_block</strong> <em>(gimple g)</em></dt> +<dd><p>Return the lexical scope block holding statement <code>G</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fexpr_005fcode"></a>GIMPLE function: <em>enum tree_code</em> <strong>gimple_expr_code</strong> <em>(gimple stmt)</em></dt> +<dd><p>Return the tree code for the expression computed by <code>STMT</code>. This +is only meaningful for <code>GIMPLE_CALL</code>, <code>GIMPLE_ASSIGN</code> and +<code>GIMPLE_COND</code>. If <code>STMT</code> is <code>GIMPLE_CALL</code>, it will return <code>CALL_EXPR</code>. +For <code>GIMPLE_COND</code>, it returns the code of the comparison predicate. +For <code>GIMPLE_ASSIGN</code> it returns the code of the operation performed +by the <code>RHS</code> of the assignment. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fset_005fblock"></a>GIMPLE function: <em>void</em> <strong>gimple_set_block</strong> <em>(gimple g, tree block)</em></dt> +<dd><p>Set the lexical scope block of <code>G</code> to <code>BLOCK</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005flocus"></a>GIMPLE function: <em>location_t</em> <strong>gimple_locus</strong> <em>(gimple g)</em></dt> +<dd><p>Return locus information for statement <code>G</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fset_005flocus"></a>GIMPLE function: <em>void</em> <strong>gimple_set_locus</strong> <em>(gimple g, location_t locus)</em></dt> +<dd><p>Set locus information for statement <code>G</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005flocus_005fempty_005fp"></a>GIMPLE function: <em>bool</em> <strong>gimple_locus_empty_p</strong> <em>(gimple g)</em></dt> +<dd><p>Return true if <code>G</code> does not have locus information. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fno_005fwarning_005fp"></a>GIMPLE function: <em>bool</em> <strong>gimple_no_warning_p</strong> <em>(gimple stmt)</em></dt> +<dd><p>Return true if no warnings should be emitted for statement <code>STMT</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fset_005fvisited"></a>GIMPLE function: <em>void</em> <strong>gimple_set_visited</strong> <em>(gimple stmt, bool visited_p)</em></dt> +<dd><p>Set the visited status on statement <code>STMT</code> to <code>VISITED_P</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fvisited_005fp"></a>GIMPLE function: <em>bool</em> <strong>gimple_visited_p</strong> <em>(gimple stmt)</em></dt> +<dd><p>Return the visited status on statement <code>STMT</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fset_005fplf"></a>GIMPLE function: <em>void</em> <strong>gimple_set_plf</strong> <em>(gimple stmt, enum plf_mask plf, bool val_p)</em></dt> +<dd><p>Set pass local flag <code>PLF</code> on statement <code>STMT</code> to <code>VAL_P</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fplf"></a>GIMPLE function: <em>unsigned int</em> <strong>gimple_plf</strong> <em>(gimple stmt, enum plf_mask plf)</em></dt> +<dd><p>Return the value of pass local flag <code>PLF</code> on statement <code>STMT</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fhas_005fops"></a>GIMPLE function: <em>bool</em> <strong>gimple_has_ops</strong> <em>(gimple g)</em></dt> +<dd><p>Return true if statement <code>G</code> has register or memory operands. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fhas_005fmem_005fops"></a>GIMPLE function: <em>bool</em> <strong>gimple_has_mem_ops</strong> <em>(gimple g)</em></dt> +<dd><p>Return true if statement <code>G</code> has memory operands. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fnum_005fops-1"></a>GIMPLE function: <em>unsigned</em> <strong>gimple_num_ops</strong> <em>(gimple g)</em></dt> +<dd><p>Return the number of operands for statement <code>G</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fops-1"></a>GIMPLE function: <em>tree *</em> <strong>gimple_ops</strong> <em>(gimple g)</em></dt> +<dd><p>Return the array of operands for statement <code>G</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fop-1"></a>GIMPLE function: <em>tree</em> <strong>gimple_op</strong> <em>(gimple g, unsigned i)</em></dt> +<dd><p>Return operand <code>I</code> for statement <code>G</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fop_005fptr"></a>GIMPLE function: <em>tree *</em> <strong>gimple_op_ptr</strong> <em>(gimple g, unsigned i)</em></dt> +<dd><p>Return a pointer to operand <code>I</code> for statement <code>G</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fset_005fop"></a>GIMPLE function: <em>void</em> <strong>gimple_set_op</strong> <em>(gimple g, unsigned i, tree op)</em></dt> +<dd><p>Set operand <code>I</code> of statement <code>G</code> to <code>OP</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005faddresses_005ftaken"></a>GIMPLE function: <em>bitmap</em> <strong>gimple_addresses_taken</strong> <em>(gimple stmt)</em></dt> +<dd><p>Return the set of symbols that have had their address taken by +<code>STMT</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fdef_005fops"></a>GIMPLE function: <em>struct def_optype_d *</em> <strong>gimple_def_ops</strong> <em>(gimple g)</em></dt> +<dd><p>Return the set of <code>DEF</code> operands for statement <code>G</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fset_005fdef_005fops"></a>GIMPLE function: <em>void</em> <strong>gimple_set_def_ops</strong> <em>(gimple g, struct def_optype_d *def)</em></dt> +<dd><p>Set <code>DEF</code> to be the set of <code>DEF</code> operands for statement <code>G</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fuse_005fops"></a>GIMPLE function: <em>struct use_optype_d *</em> <strong>gimple_use_ops</strong> <em>(gimple g)</em></dt> +<dd><p>Return the set of <code>USE</code> operands for statement <code>G</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fset_005fuse_005fops"></a>GIMPLE function: <em>void</em> <strong>gimple_set_use_ops</strong> <em>(gimple g, struct use_optype_d *use)</em></dt> +<dd><p>Set <code>USE</code> to be the set of <code>USE</code> operands for statement <code>G</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fvuse_005fops"></a>GIMPLE function: <em>struct voptype_d *</em> <strong>gimple_vuse_ops</strong> <em>(gimple g)</em></dt> +<dd><p>Return the set of <code>VUSE</code> operands for statement <code>G</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fset_005fvuse_005fops"></a>GIMPLE function: <em>void</em> <strong>gimple_set_vuse_ops</strong> <em>(gimple g, struct voptype_d *ops)</em></dt> +<dd><p>Set <code>OPS</code> to be the set of <code>VUSE</code> operands for statement <code>G</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fvdef_005fops"></a>GIMPLE function: <em>struct voptype_d *</em> <strong>gimple_vdef_ops</strong> <em>(gimple g)</em></dt> +<dd><p>Return the set of <code>VDEF</code> operands for statement <code>G</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fset_005fvdef_005fops"></a>GIMPLE function: <em>void</em> <strong>gimple_set_vdef_ops</strong> <em>(gimple g, struct voptype_d *ops)</em></dt> +<dd><p>Set <code>OPS</code> to be the set of <code>VDEF</code> operands for statement <code>G</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005floaded_005fsyms"></a>GIMPLE function: <em>bitmap</em> <strong>gimple_loaded_syms</strong> <em>(gimple g)</em></dt> +<dd><p>Return the set of symbols loaded by statement <code>G</code>. Each element of +the set is the <code>DECL_UID</code> of the corresponding symbol. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fstored_005fsyms"></a>GIMPLE function: <em>bitmap</em> <strong>gimple_stored_syms</strong> <em>(gimple g)</em></dt> +<dd><p>Return the set of symbols stored by statement <code>G</code>. Each element of +the set is the <code>DECL_UID</code> of the corresponding symbol. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fmodified_005fp"></a>GIMPLE function: <em>bool</em> <strong>gimple_modified_p</strong> <em>(gimple g)</em></dt> +<dd><p>Return true if statement <code>G</code> has operands and the modified field +has been set. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fhas_005fvolatile_005fops"></a>GIMPLE function: <em>bool</em> <strong>gimple_has_volatile_ops</strong> <em>(gimple stmt)</em></dt> +<dd><p>Return true if statement <code>STMT</code> contains volatile operands. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fset_005fhas_005fvolatile_005fops"></a>GIMPLE function: <em>void</em> <strong>gimple_set_has_volatile_ops</strong> <em>(gimple stmt, bool volatilep)</em></dt> +<dd><p>Return true if statement <code>STMT</code> contains volatile operands. +</p></dd></dl> + +<dl> +<dt><a name="index-update_005fstmt"></a>GIMPLE function: <em>void</em> <strong>update_stmt</strong> <em>(gimple s)</em></dt> +<dd><p>Mark statement <code>S</code> as modified, and update it. +</p></dd></dl> + +<dl> +<dt><a name="index-update_005fstmt_005fif_005fmodified"></a>GIMPLE function: <em>void</em> <strong>update_stmt_if_modified</strong> <em>(gimple s)</em></dt> +<dd><p>Update statement <code>S</code> if it has been marked modified. +</p></dd></dl> + +<dl> +<dt><a name="index-gimple_005fcopy"></a>GIMPLE function: <em>gimple</em> <strong>gimple_copy</strong> <em>(gimple stmt)</em></dt> +<dd><p>Return a deep copy of statement <code>STMT</code>. +</p></dd></dl> + +<hr> +<div class="header"> +<p> +Next: <a href="Tuple-specific-accessors.html#Tuple-specific-accessors" accesskey="n" rel="next">Tuple specific accessors</a>, Previous: <a href="Operands.html#Operands" accesskey="p" rel="previous">Operands</a>, Up: <a href="GIMPLE.html#GIMPLE" accesskey="u" rel="up">GIMPLE</a> [<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> |