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If an object is not in the scalar map then it must be a global from another 

graph.

llvm-svn: 13173
This commit is contained in:
Chris Lattner 2004-04-26 14:44:08 +00:00
parent e20c334e65
commit f374b3f304
1 changed files with 31 additions and 31 deletions
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8
llvm/lib/Analysis/DataStructure/DataStructureAA.cpp
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@ -111,10 +111,12 @@ AliasAnalysis::AliasResult DSAA::alias(const Value *V1, unsigned V1Size,
const DSGraph::ScalarMapTy &GSM = G.getScalarMap();
DSGraph::ScalarMapTy::const_iterator I = GSM.find((Value*)V1);
if (I != GSM.end()) {
if (I == GSM.end()) return NoAlias;
assert(I->second.getNode() && "Scalar map points to null node?");
DSGraph::ScalarMapTy::const_iterator J = GSM.find((Value*)V2);
if (J != GSM.end()) {
if (J == GSM.end()) return NoAlias;
assert(J->second.getNode() && "Scalar map points to null node?");
DSNode *N1 = I->second.getNode(), *N2 = J->second.getNode();
@ -150,8 +152,6 @@ AliasAnalysis::AliasResult DSAA::alias(const Value *V1, unsigned V1Size,
//if (O1+V1Size <= O2) return NoAlias;
}
}
}
}
// FIXME: we could improve on this by checking the globals graph for aliased
// global queries...