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Make SchedGraph::dump() use SchedGraphNodeCommon's const_iterator 

instead of randomly groping about inside its outEdges array.
Make SchedGraph::addDummyEdges() use getNumOutEdges() instead of
outEdges.size().
Get rid of ifdefed-out code in SchedGraph::buildGraph().

llvm-svn: 11238
This commit is contained in:
Brian Gaeke 2004-02-09 18:42:05 +00:00
parent aedce9d6b1
commit 312e3a28d2
1 changed files with 14 additions and 25 deletions
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39
llvm/lib/CodeGen/InstrSched/SchedGraph.cpp
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@ -100,26 +100,24 @@ SchedGraph::~SchedGraph() {
}
void SchedGraph::dump() const {
std::cerr << " Sched Graph for Basic Block: ";
std::cerr << MBB.getBasicBlock()->getName()
<< " (" << MBB.getBasicBlock() << ")";
std::cerr << "\n\n Actual Root nodes : ";
for (unsigned i=0, N=graphRoot->outEdges.size(); i < N; i++)
std::cerr << graphRoot->outEdges[i]->getSink()->getNodeId()
<< ((i == N-1)? "" : ", ");
std::cerr << " Sched Graph for Basic Block: "
<< MBB.getBasicBlock()->getName()
<< " (" << MBB.getBasicBlock() << ")"
<< "\n\n Actual Root nodes: ";
for (SchedGraphNodeCommon::const_iterator I = graphRoot->beginOutEdges(),
E = graphRoot->endOutEdges();
I != E; ++I) {
std::cerr << (*I)->getSink ()->getNodeId ();
if (I + 1 != E) { std::cerr << ", "; }
}
std::cerr << "\n Graph Nodes:\n";
for (const_iterator I=begin(); I != end(); ++I)
for (const_iterator I = begin(), E = end(); I != E; ++I)
std::cerr << "\n" << *I->second;
std::cerr << "\n";
}
void SchedGraph::addDummyEdges() {
assert(graphRoot->outEdges.size() == 0);
assert(graphRoot->getNumOutEdges() == 0);
for (const_iterator I=begin(); I != end(); ++I) {
SchedGraphNode* node = (*I).second;
@ -635,19 +633,10 @@ void SchedGraph::buildGraph(const TargetMachine& target) {
// Then add incoming def-use (SSA) edges for each machine instruction.
for (unsigned i=0, N=MBB.size(); i < N; i++)
addEdgesForInstruction(*MBB[i], valueToDefVecMap, target);
#ifdef NEED_SEPARATE_NONSSA_EDGES_CODE
// Then add non-SSA edges for all VM instructions in the block.
// We assume that all machine instructions that define a value are
// generated from the VM instruction corresponding to that value.
// TODO: This could probably be done much more efficiently.
for (BasicBlock::const_iterator II = bb->begin(); II != bb->end(); ++II)
this->addNonSSAEdgesForValue(*II, target);
#endif //NEED_SEPARATE_NONSSA_EDGES_CODE
// Then add edges for dependences on machine registers
this->addMachineRegEdges(regToRefVecMap, target);
// Finally, add edges from the dummy root and to dummy leaf
this->addDummyEdges();
}