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Update documentaion of node annotation (coloring) in viewGraph.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30687 91177308-0d34-0410-b5e6-96231b3b80d8
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Jim Laskey 2006-10-02 12:28:07 +00:00
parent ec20402c90
commit 543a0eee6a
1 changed files with 13 additions and 1 deletions
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14
docs/ProgrammersManual.html
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@ -516,7 +516,7 @@ instructions in the block. Similarly, there also exists
<tt>Function::viewCFGOnly()</tt> (does not include the instructions), the
<tt>MachineFunction::viewCFG()</tt> and <tt>MachineFunction::viewCFGOnly()</tt>,
and the <tt>SelectionDAG::viewGraph()</tt> methods. Within GDB, for example,
you can usually use something like "<tt>call DAG.viewGraph()</tt>" to pop
you can usually use something like <tt>call DAG.viewGraph()</tt> to pop
up a window. Alternatively, you can sprinkle calls to these functions in your
code in places you want to debug.</p>
@ -529,6 +529,18 @@ href="http://www.pixelglow.com/graphviz/">Graphviz program</a>, and add
it) to your path. Once in your system and path are set up, rerun the LLVM
configure script and rebuild LLVM to enable this functionality.</p>
<p><tt>SelectionDAG</tt> has been extended to make it easier to locate
<i>interesting</i> nodes in large complex graphs. From gdb, if you
<tt>call DAG.setGraphColor(<i>node</i>, "<i>color</i>")</tt>, then the
next <tt>call DAG.viewGraph()</tt> would hilight the node in the
specified color (choices of colors can be found at <a
href="http://www.graphviz.org/doc/info/colors.html">Colors<a>.) More
complex node attributes can be provided with <tt>call
DAG.setGraphAttrs(<i>node</i>, "<i>attributes</i>")</tt> (choices can be
found at <a href="http://www.graphviz.org/doc/info/attrs.html">Graph
Attributes</a>.) If you want to restart and clear all the current graph
attributes, then you can <tt>call DAG.clearGraphAttrs()</tt>. </p>
</div>