6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-02-14 02:33:53 +00:00
Code Issues Projects Releases Wiki Activity

some more tweaks

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99643 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif 2010-03-26 19:40:38 +00:00
parent 525bf8ee8e
commit ce94319533
1 changed files with 5 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
docs/ProgrammersManual.html
View File

@ -1977,9 +1977,9 @@ for (Value::use_iterator i = F->use_begin(), e = F->use_end(); i != e; ++i
</pre> </pre>
</div> </div>
Note that dereferencing a <tt>Value::use_iterator</tt> is not a very cheap <p>Note that dereferencing a <tt>Value::use_iterator</tt> is not a very cheap
operation. Instead of performing <tt>*i</tt> above several times, consider operation. Instead of performing <tt>*i</tt> above several times, consider
doing it only once in the loop body and reusing its result. doing it only once in the loop body and reusing its result.</p>
<p>Alternatively, it's common to have an instance of the <a <p>Alternatively, it's common to have an instance of the <a
href="/doxygen/classllvm_1_1User.html">User Class</a> and need to know what href="/doxygen/classllvm_1_1User.html">User Class</a> and need to know what
@ -2001,12 +2001,13 @@ for (User::op_iterator i = pi-&gt;op_begin(), e = pi-&gt;op_end(); i != e; ++i)
</div> </div>
<p>Declaring objects as <tt>const</tt> is an important tool of enforcing <p>Declaring objects as <tt>const</tt> is an important tool of enforcing
mutation free algorithms (such as analyses etc.). For this purpose above mutation free algorithms (such as analyses, etc.). For this purpose above
iterators come in constant flavors as <tt>Value::const_use_iterator</tt> iterators come in constant flavors as <tt>Value::const_use_iterator</tt>
and <tt>Value::const_op_iterator</tt>. They automatically arise when and <tt>Value::const_op_iterator</tt>. They automatically arise when
calling <tt>use/op_begin()</tt> on <tt>const Value*</tt>s or calling <tt>use/op_begin()</tt> on <tt>const Value*</tt>s or
<tt>const User*</tt>s respectively. Upon dereferencing, they return <tt>const User*</tt>s respectively. Upon dereferencing, they return
<tt>const Use*</tt>s. Otherwise the above patterns remain unchanged. <tt>const Use*</tt>s. Otherwise the above patterns remain unchanged.</p>
</div> </div>
<!--_______________________________________________________________________--> <!--_______________________________________________________________________-->