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<a name="GIMPLE_005fPHI-1"></a>
<h4 class="subsection">12.8.24 <code>GIMPLE_PHI</code></h4>
<a name="index-GIMPLE_005fPHI"></a>

<dl>
<dt><a name="index-gimple_005fphi_005fcapacity"></a>GIMPLE function: <em>unsigned</em> <strong>gimple_phi_capacity</strong> <em>(gimple g)</em></dt>
<dd><p>Return the maximum number of arguments supported by <code>GIMPLE_PHI</code> <code>G</code>.
</p></dd></dl>

<dl>
<dt><a name="index-gimple_005fphi_005fnum_005fargs"></a>GIMPLE function: <em>unsigned</em> <strong>gimple_phi_num_args</strong> <em>(gimple g)</em></dt>
<dd><p>Return the number of arguments in <code>GIMPLE_PHI</code> <code>G</code>. This must always
be exactly the number of incoming edges for the basic block
holding <code>G</code>.
</p></dd></dl>

<dl>
<dt><a name="index-gimple_005fphi_005fresult"></a>GIMPLE function: <em>tree</em> <strong>gimple_phi_result</strong> <em>(gimple g)</em></dt>
<dd><p>Return the <code>SSA</code> name created by <code>GIMPLE_PHI</code> <code>G</code>.
</p></dd></dl>

<dl>
<dt><a name="index-gimple_005fphi_005fresult_005fptr"></a>GIMPLE function: <em>tree *</em> <strong>gimple_phi_result_ptr</strong> <em>(gimple g)</em></dt>
<dd><p>Return a pointer to the <code>SSA</code> name created by <code>GIMPLE_PHI</code> <code>G</code>.
</p></dd></dl>

<dl>
<dt><a name="index-gimple_005fphi_005fset_005fresult"></a>GIMPLE function: <em>void</em> <strong>gimple_phi_set_result</strong> <em>(gphi *g, tree result)</em></dt>
<dd><p>Set <code>RESULT</code> to be the <code>SSA</code> name created by <code>GIMPLE_PHI</code> <code>G</code>.
</p></dd></dl>

<dl>
<dt><a name="index-gimple_005fphi_005farg"></a>GIMPLE function: <em>struct phi_arg_d *</em> <strong>gimple_phi_arg</strong> <em>(gimple g, index)</em></dt>
<dd><p>Return the <code>PHI</code> argument corresponding to incoming edge <code>INDEX</code> for
<code>GIMPLE_PHI</code> <code>G</code>.
</p></dd></dl>

<dl>
<dt><a name="index-gimple_005fphi_005fset_005farg"></a>GIMPLE function: <em>void</em> <strong>gimple_phi_set_arg</strong> <em>(gphi *g, index, struct phi_arg_d * phiarg)</em></dt>
<dd><p>Set <code>PHIARG</code> to be the argument corresponding to incoming edge
<code>INDEX</code> for <code>GIMPLE_PHI</code> <code>G</code>.
</p></dd></dl>


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