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Minor tweaks, eliminate useless integer pruning optimziation, turn on
timers by default git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10993 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -35,7 +35,7 @@ namespace {
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cl::desc("Make DSA less aggressive when cloning graphs"));
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};
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#if 0
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#if 1
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#define TIME_REGION(VARNAME, DESC) \
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NamedRegionTimer VARNAME(DESC)
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#else
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@ -104,7 +104,7 @@ void DSNode::assertOK() const {
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assert(ParentGraph && "Node has no parent?");
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const DSGraph::ScalarMapTy &SM = ParentGraph->getScalarMap();
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for (unsigned i = 0, e = Globals.size(); i != e; ++i) {
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assert(SM.find(Globals[i]) != SM.end());
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assert(SM.count(Globals[i]));
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assert(SM.find(Globals[i])->second.getNode() == this);
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}
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}
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@ -1637,6 +1637,8 @@ void DSGraph::removeDeadNodes(unsigned Flags) {
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}
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++I;
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} else {
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DSNode *N = I->second.getNode();
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#if 0
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// Check to see if this is a worthless node generated for non-pointer
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// values, such as integers. Consider an addition of long types: A+B.
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// Assuming we can track all uses of the value in this context, and it is
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@ -1647,13 +1649,13 @@ void DSGraph::removeDeadNodes(unsigned Flags) {
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// uninteresting for data structure analysis. If we run across one of
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// these, prune the scalar pointing to it.
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//
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DSNode *N = I->second.getNode();
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if (N->getNodeFlags() == DSNode::UnknownNode && !isa<Argument>(I->first))
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ScalarMap.erase(I++);
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else {
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#endif
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N->markReachableNodes(Alive);
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++I;
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}
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//}
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}
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}
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