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Keep global nodes in each DS Graph (by forcing them to be marked live).

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4831 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vikram S. Adve 2002-11-25 18:21:25 +00:00
parent 8b938664f2
commit e31267dd9a
1 changed files with 3 additions and 3 deletions
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6
lib/Analysis/DataStructure/DataStructure.cpp
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@ -997,10 +997,10 @@ void DSGraph::removeDeadNodes() {
// Mark all nodes reachable by (non-global) scalar nodes as alive... // Mark all nodes reachable by (non-global) scalar nodes as alive...
for (std::map<Value*, DSNodeHandle>::iterator I = ScalarMap.begin(), for (std::map<Value*, DSNodeHandle>::iterator I = ScalarMap.begin(),
E = ScalarMap.end(); I != E; ++I) E = ScalarMap.end(); I != E; ++I)
if (!isa<GlobalValue>(I->first)) // Don't mark globals! // if (!isa<GlobalValue>(I->first)) // Don't mark globals!
markAlive(I->second.getNode(), Alive); markAlive(I->second.getNode(), Alive);
else // Keep track of global nodes // else // Keep track of global nodes
GlobalNodes.push_back(std::make_pair(I->first, I->second.getNode())); // GlobalNodes.push_back(std::make_pair(I->first, I->second.getNode()));
// The return value is alive as well... // The return value is alive as well...
markAlive(RetNode.getNode(), Alive); markAlive(RetNode.getNode(), Alive);