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Fixed node deletion bug.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20207 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tanya Lattner
2005-02-16 04:00:59 +00:00
parent 2ee51cbeb8
commit db1680b2be
2 changed files with 13 additions and 6 deletions
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9
lib/Target/SparcV9/ModuloScheduling/MSchedGraph.cpp
View File

@ -112,11 +112,12 @@ void MSchedGraph::addNode(const MachineInstr *MI,
void MSchedGraph::deleteNode(MSchedGraphNode *node) { void MSchedGraph::deleteNode(MSchedGraphNode *node) {
//Delete the edge to this node from all predecessors //Delete the edge to this node from all predecessors
for(MSchedGraphNode::pred_iterator P = node->pred_begin(), PE = node->pred_end(); while(node->pred_size() > 0) {
P != PE; ++P) { //DEBUG(std::cerr << "Delete edge from: " << **P << " to " << *node << "\n");
(*P)->deleteSuccessor(node); MSchedGraphNode *pred = *(node->pred_begin());
pred->deleteSuccessor(node);
} }
//Remove this node from the graph //Remove this node from the graph
GraphMap.erase(node->getInst()); GraphMap.erase(node->getInst());

10
lib/Target/SparcV9/ModuloScheduling/ModuloScheduling.cpp
View File

@ -77,6 +77,8 @@ namespace llvm {
Statistic<> MSLoops("modulosched-schedLoops", "Number of loops successfully modulo-scheduled"); Statistic<> MSLoops("modulosched-schedLoops", "Number of loops successfully modulo-scheduled");
Statistic<> IncreasedII("modulosched-increasedII", "Number of times we had to increase II"); Statistic<> IncreasedII("modulosched-increasedII", "Number of times we had to increase II");
Statistic<> SingleBBLoops("modulosched-singeBBLoops", "Number of single basic block loops"); Statistic<> SingleBBLoops("modulosched-singeBBLoops", "Number of single basic block loops");
Statistic<> NoSched("modulosched-noSched", "No schedule");
Statistic<> SameStage("modulosched-sameStage", "Max stage is 0");
template<> template<>
struct DOTGraphTraits<MSchedGraph*> : public DefaultDOTGraphTraits { struct DOTGraphTraits<MSchedGraph*> : public DefaultDOTGraphTraits {
@ -252,9 +254,13 @@ bool ModuloSchedulingPass::runOnFunction(Function &F) {
++MSLoops; ++MSLoops;
Changed = true; Changed = true;
} }
else else {
if(!haveSched)
++NoSched;
else
++SameStage;
DEBUG(std::cerr << "Max stage is 0, so no change in loop or reached cap\n"); DEBUG(std::cerr << "Max stage is 0, so no change in loop or reached cap\n");
}
//Clear out our maps for the next basic block that is processed //Clear out our maps for the next basic block that is processed
nodeToAttributesMap.clear(); nodeToAttributesMap.clear();
partialOrder.clear(); partialOrder.clear();