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Add more verbose comment
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7610 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1582,19 +1582,18 @@ void DSGraph::AssertGraphOK() const {
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AssertAuxCallNodesInGraph();
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}
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// A function useful for clients to incorporate the globals graph
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// into the DS, BU or TD graph for a function. This code retains
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// all globals, i.e., does not delete unreachable globals after they
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// are inlined.
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//
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void DSGraph::mergeInGlobalsGraph()
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{
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/// mergeInGlobalsGraph - This method is useful for clients to incorporate the
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/// globals graph into the DS, BU or TD graph for a function. This code retains
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/// all globals, i.e., does not delete unreachable globals after they are
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/// inlined.
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///
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void DSGraph::mergeInGlobalsGraph() {
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NodeMapTy GlobalNodeMap;
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ScalarMapTy OldValMap;
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ReturnNodesTy OldRetNodes;
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this->cloneInto(*GlobalsGraph, OldValMap, OldRetNodes, GlobalNodeMap,
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DSGraph::KeepAllocaBit | DSGraph::DontCloneCallNodes |
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DSGraph::DontCloneAuxCallNodes);
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cloneInto(*GlobalsGraph, OldValMap, OldRetNodes, GlobalNodeMap,
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DSGraph::KeepAllocaBit | DSGraph::DontCloneCallNodes |
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DSGraph::DontCloneAuxCallNodes);
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// Now merge existing global nodes in the GlobalsGraph with their copies
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for (ScalarMapTy::iterator I = ScalarMap.begin(), E = ScalarMap.end();
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