diff options
Diffstat (limited to 'lib/Analysis/DataStructure')
| -rw-r--r-- | lib/Analysis/DataStructure/DataStructure.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Analysis/DataStructure/DataStructure.cpp b/lib/Analysis/DataStructure/DataStructure.cpp index 179f286378..be53dab3b8 100644 --- a/lib/Analysis/DataStructure/DataStructure.cpp +++ b/lib/Analysis/DataStructure/DataStructure.cpp @@ -27,6 +27,8 @@ #include <algorithm> using namespace llvm; +#define COLLAPSE_ARRAYS_AGGRESSIVELY 0 + namespace { Statistic<> NumFolds ("dsa", "Number of nodes completely folded"); Statistic<> NumCallNodesMerged("dsa", "Number of call nodes merged"); @@ -651,12 +653,14 @@ void DSNode::MergeNodes(DSNodeHandle& CurNodeH, DSNodeHandle& NH) { // If the two nodes are of different size, and the smaller node has the array // bit set, collapse! if (NSize != CurNodeH.getNode()->getSize()) { +#if COLLAPSE_ARRAYS_AGGRESSIVELY if (NSize < CurNodeH.getNode()->getSize()) { if (NH.getNode()->isArray()) NH.getNode()->foldNodeCompletely(); } else if (CurNodeH.getNode()->isArray()) { NH.getNode()->foldNodeCompletely(); } +#endif } // Merge the type entries of the two nodes together... @@ -895,6 +899,7 @@ void ReachabilityCloner::merge(const DSNodeHandle &NH, } else if (SN->getSize() != DN->getSize()) { // If the two nodes are of different size, and the smaller node has the // array bit set, collapse! +#if COLLAPSE_ARRAYS_AGGRESSIVELY if (SN->getSize() < DN->getSize()) { if (SN->isArray()) { DN->foldNodeCompletely(); @@ -904,6 +909,7 @@ void ReachabilityCloner::merge(const DSNodeHandle &NH, DN->foldNodeCompletely(); DN = NH.getNode(); } +#endif } // Merge the type entries of the two nodes together... @@ -1934,6 +1940,11 @@ void DSGraph::removeDeadNodes(unsigned Flags) { DEBUG(AssertGraphOK(); GlobalsGraph->AssertGraphOK()); } +void DSGraph::AssertNodeContainsGlobal(const DSNode *N, GlobalValue *GV) const { + assert(std::find(N->getGlobals().begin(), N->getGlobals().end(), GV) != + N->getGlobals().end() && "Global value not in node!"); +} + void DSGraph::AssertCallSiteInGraph(const DSCallSite &CS) const { if (CS.isIndirectCall()) { AssertNodeInGraph(CS.getCalleeNode()); |