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In the TD pass, iterate over globals directly instead of through the whole scalar

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map.  This saves 5s in the TD pass, from 22->17s on perlbmk


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10998 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-01-28 03:12:48 +00:00
parent 34741cf0dd
commit 6d8f3dcd75
1 changed files with 8 additions and 9 deletions
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17
lib/Analysis/DataStructure/TopDownClosure.cpp
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@ -60,7 +60,7 @@ bool TDDataStructures::run(Module &M) {
// they are accessible outside this compilation unit. Currently, these
// arguments are functions which are reachable by global variables in the
// globals graph.
const DSGraph::ScalarMapTy &GGSM = GlobalsGraph->getScalarMap();
const DSScalarMap &GGSM = GlobalsGraph->getScalarMap();
hash_set<DSNode*> Visited;
for (DSScalarMap::global_iterator I = GGSM.global_begin(), E = GGSM.global_end();
I != E; ++I)
@ -260,14 +260,13 @@ void TDDataStructures::inlineGraphIntoCallees(DSGraph &Graph) {
ReachabilityCloner RC(CalleeGraph, Graph, DSGraph::StripModRefBits);
// Clone over any global nodes that appear in both graphs.
for (DSGraph::ScalarMapTy::const_iterator
SI = CalleeGraph.getScalarMap().begin(),
SE = CalleeGraph.getScalarMap().end(); SI != SE; ++SI)
if (GlobalValue *GV = dyn_cast<GlobalValue>(SI->first)) {
DSGraph::ScalarMapTy::const_iterator GI = Graph.getScalarMap().find(GV);
if (GI != Graph.getScalarMap().end())
RC.merge(SI->second, GI->second);
}
for (DSScalarMap::global_iterator
SI = CalleeGraph.getScalarMap().global_begin(),
SE = CalleeGraph.getScalarMap().global_end(); SI != SE; ++SI) {
DSScalarMap::const_iterator GI = Graph.getScalarMap().find(*SI);
if (GI != Graph.getScalarMap().end())
RC.merge(CalleeGraph.getNodeForValue(*SI), GI->second);
}
// Loop over all of the distinct call sites in the caller of the callee.
for (; CSI != CallSites.end() && CSI->first == &CalleeGraph; ++CSI) {