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Explain that bitcast can only cast a pointer to another pointer.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33041 91177308-0d34-0410-b5e6-96231b3b80d8
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Reid Spencer 2007-01-09 20:08:58 +00:00
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@ -3090,7 +3090,8 @@ nothing is done (<i>no-op cast</i>).</p>
<p>The '<tt>bitcast</tt>' instruction takes a value to cast, which must be
a first class value, and a type to cast it to, which must also be a <a
href="#t_firstclass">first class</a> type. The bit sizes of <tt>value</tt>
and the destination type, <tt>ty2</tt>, must be identical.</p>
and the destination type, <tt>ty2</tt>, must be identical. If the source
type is a pointer, the destination type must also be a pointer.</p>
<h5>Semantics:</h5>
<p>The '<tt>bitcast</tt>' instruction converts <tt>value</tt> to type