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Tweak the descriptions of the new 'const' and 'pure' attributes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44132 91177308-0d34-0410-b5e6-96231b3b80d8
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Duncan Sands 2007-11-14 21:14:02 +00:00
parent e40740bd8c
commit f04d584cae
1 changed files with 7 additions and 7 deletions
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docs/LangRef.html
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@ -814,14 +814,14 @@ a power of 2.</p>
<dd>This indicates that the parameter can be excised using the
<a href="#int_trampoline">trampoline intrinsics</a>.</dd>
<dt><tt>pure</tt></dt>
<dd>This function attribute indicates, that the function have no effects
except the return value and its return value depends only on the
arguments and/or global variables.</dd>
<dd>This function attribute indicates that the function has no side-effects
except for producing a return value. The value returned must only depend on
the function arguments and/or global variables. It may use values obtained
by dereferencing pointers.</dd>
<dt><tt>const</tt></dt>
<dd>This function attribute is slightly more stricter version
of <tt>pure</tt> function attribute. <tt>const</tt> functions are not
allowed to read global memory, so such function only examines its arguments
and has no effects except return value.</dd>
<dd>A <tt>const</tt> function has the same restrictions as a <tt>pure</tt>
function, but in addition it is not allowed to dereference any pointer arguments
or global variables.
</dl>
</div>