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Improve unclear bits and inaccuracies in structure and insertvalue

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documentation.

Patch by Dustin Laurence!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93170 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jeffrey Yasskin 2010-01-11 19:19:26 +00:00
parent 842091097e
commit 7a088cf27a
1 changed files with 9 additions and 6 deletions
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@ -1656,10 +1656,12 @@ Classifications</a> </div>
underlying processor. The elements of a structure may be any type that has a
size.</p>
<p>Structures are accessed using '<tt><a href="#i_load">load</a></tt> and
'<tt><a href="#i_store">store</a></tt>' by getting a pointer to a field with
the '<tt><a href="#i_getelementptr">getelementptr</a></tt>' instruction.</p>
<p>Structures in memory are accessed using '<tt><a href="#i_load">load</a></tt>'
and '<tt><a href="#i_store">store</a></tt>' by getting a pointer to a field
with the '<tt><a href="#i_getelementptr">getelementptr</a></tt>' instruction.
Structures in registers are accessed using the
'<tt><a href="#i_extractvalue">extractvalue</a></tt>' and
'<tt><a href="#i_insertvalue">insertvalue</a></tt>' instructions.</p>
<h5>Syntax:</h5>
<pre>
{ &lt;type list&gt; }
@ -3858,7 +3860,7 @@ Instruction</a> </div>
<h5>Syntax:</h5>
<pre>
&lt;result&gt; = insertvalue &lt;aggregate type&gt; &lt;val&gt;, &lt;ty&gt; &lt;val&gt;, &lt;idx&gt; <i>; yields &lt;n x &lt;ty&gt;&gt;</i>
&lt;result&gt; = insertvalue &lt;aggregate type&gt; &lt;val&gt;, &lt;ty&gt; &lt;elt&gt;, &lt;idx&gt; <i>; yields &lt;aggregate type&gt;</i>
</pre>
<h5>Overview:</h5>
@ -3883,7 +3885,8 @@ Instruction</a> </div>
<h5>Example:</h5>
<pre>
&lt;result&gt; = insertvalue {i32, float} %agg, i32 1, 0 <i>; yields {i32, float}</i>
%agg1 = insertvalue {i32, float} undef, i32 1, 0 <i>; yields {i32 1, float undef}</i>
%agg2 = insertvalue {i32, float} %agg1, float %val, 1 <i>; yields {i32 1, float %val}</i>
</pre>
</div>