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Clarify wording, patch by Stefanus Du Toit!

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llvm-svn: 66458
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Chris Lattner 2009-03-09 20:55:18 +00:00
parent f0b46d438a
commit 952dfa96b7
1 changed files with 7 additions and 5 deletions
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@ -3637,11 +3637,13 @@ the LLVM code for the given testcase is equivalent to:</p>
} }
</pre> </pre>
<p>Note that it is undefined to access an array out of bounds: array and <p>Note that it is undefined to access an array out of bounds: array
pointer indexes must always be within the defined bounds of the array type. and pointer indexes must always be within the defined bounds of the
The one exception for this rule is zero length arrays. These arrays are array type when accessed with an instruction that dereferences the
defined to be accessible as variable length arrays, which requires access pointer (e.g. a load or store instruction). The one exception for
beyond the zero'th element.</p> this rule is zero length arrays. These arrays are defined to be
accessible as variable length arrays, which requires access beyond the
zero'th element.</p>
<p>The getelementptr instruction is often confusing. For some more insight <p>The getelementptr instruction is often confusing. For some more insight
into how it works, see <a href="GetElementPtr.html">the getelementptr into how it works, see <a href="GetElementPtr.html">the getelementptr