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some wording changes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77443 91177308-0d34-0410-b5e6-96231b3b80d8
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Chris Lattner 2009-07-29 06:44:13 +00:00
parent 37dfdecafd
commit c8eef440f6
1 changed files with 4 additions and 3 deletions
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docs/LangRef.html
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@ -3917,7 +3917,7 @@ Instruction</a> </div>
<h5>Arguments:</h5>
<p>The first argument is always a pointer, and forms the basis of the
calculation. The remaining arguments are indices, that indicate which of the
calculation. The remaining arguments are indices that indicate which of the
elements of the aggregate object are indexed. The interpretation of each
index is dependent on the type being indexed into. The first index always
indexes the pointer value given as the first argument, the second index
@ -3929,9 +3929,10 @@ Instruction</a> </div>
calculation.</p>
<p>The type of each index argument depends on the type it is indexing into.
When indexing into a (packed) structure, only <tt>i32</tt> integer
When indexing into a (optionally packed) structure, only <tt>i32</tt> integer
<b>constants</b> are allowed. When indexing into an array, pointer or
vector, integers of any width are allowed (also non-constants).</p>
vector, integers of any width are allowed, and they are not required to be
constant.</p>
<p>For example, let's consider a C code fragment and how it gets compiled to
LLVM:</p>