mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-07-23 14:25:07 +00:00
Eliminate tabs and trailing spaces.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22520 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
@@ -33,8 +33,8 @@ using namespace llvm;
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//MSchedGraphNode constructor
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MSchedGraphNode::MSchedGraphNode(const MachineInstr* inst,
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MSchedGraph *graph, unsigned idx,
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unsigned late, bool isBranch)
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MSchedGraph *graph, unsigned idx,
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unsigned late, bool isBranch)
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: Inst(inst), Parent(graph), index(idx), latency(late),
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isBranchInstr(isBranch) {
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@@ -76,7 +76,7 @@ MSchedGraphEdge MSchedGraphNode::getInEdge(MSchedGraphNode *pred) {
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//Get the iteration difference for the edge from this node to its successor
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unsigned MSchedGraphNode::getIteDiff(MSchedGraphNode *succ) {
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for(std::vector<MSchedGraphEdge>::iterator I = Successors.begin(),
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E = Successors.end();
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E = Successors.end();
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I != E; ++I) {
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if(I->getDest() == succ)
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return I->getIteDiff();
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@@ -90,7 +90,7 @@ unsigned MSchedGraphNode::getInEdgeNum(MSchedGraphNode *pred) {
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//return the edge the corresponds to this in edge
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int count = 0;
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for(MSchedGraphNode::succ_iterator I = pred->succ_begin(),
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E = pred->succ_end();
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E = pred->succ_end();
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I != E; ++I) {
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if(*I == this)
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return count;
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@@ -111,7 +111,7 @@ bool MSchedGraphNode::isSuccessor(MSchedGraphNode *succ) {
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//Dtermine if pred is a predecessor of this node
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bool MSchedGraphNode::isPredecessor(MSchedGraphNode *pred) {
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if(std::find( Predecessors.begin(), Predecessors.end(),
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pred) != Predecessors.end())
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pred) != Predecessors.end())
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return true;
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else
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return false;
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@@ -119,11 +119,11 @@ bool MSchedGraphNode::isPredecessor(MSchedGraphNode *pred) {
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//Add a node to the graph
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void MSchedGraph::addNode(const MachineInstr *MI,
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MSchedGraphNode *node) {
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MSchedGraphNode *node) {
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//Make sure node does not already exist
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assert(GraphMap.find(MI) == GraphMap.end()
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&& "New MSchedGraphNode already exists for this instruction");
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&& "New MSchedGraphNode already exists for this instruction");
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GraphMap[MI] = node;
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}
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@@ -149,10 +149,10 @@ void MSchedGraph::deleteNode(MSchedGraphNode *node) {
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//is a special case in Modulo Scheduling. We only want to deal with
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//the body of the loop.
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MSchedGraph::MSchedGraph(const MachineBasicBlock *bb,
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const TargetMachine &targ,
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std::map<const MachineInstr*, unsigned> &ignoreInstrs,
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DependenceAnalyzer &DA,
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std::map<MachineInstr*, Instruction*> &machineTollvm)
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const TargetMachine &targ,
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std::map<const MachineInstr*, unsigned> &ignoreInstrs,
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DependenceAnalyzer &DA,
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std::map<MachineInstr*, Instruction*> &machineTollvm)
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: Target(targ) {
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//Make sure BB is not null,
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@@ -172,10 +172,10 @@ MSchedGraph::MSchedGraph(const MachineBasicBlock *bb,
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//is a special case in Modulo Scheduling. We only want to deal with
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//the body of the loop.
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MSchedGraph::MSchedGraph(std::vector<const MachineBasicBlock*> &bbs,
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const TargetMachine &targ,
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std::map<const MachineInstr*, unsigned> &ignoreInstrs,
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DependenceAnalyzer &DA,
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std::map<MachineInstr*, Instruction*> &machineTollvm)
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const TargetMachine &targ,
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std::map<const MachineInstr*, unsigned> &ignoreInstrs,
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DependenceAnalyzer &DA,
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std::map<MachineInstr*, Instruction*> &machineTollvm)
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: BBs(bbs), Target(targ) {
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//Make sure there is at least one BB and it is not null,
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@@ -191,7 +191,7 @@ MSchedGraph::MSchedGraph(std::vector<const MachineBasicBlock*> &bbs,
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//Copies the graph and keeps a map from old to new nodes
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MSchedGraph::MSchedGraph(const MSchedGraph &G,
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std::map<MSchedGraphNode*, MSchedGraphNode*> &newNodes)
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std::map<MSchedGraphNode*, MSchedGraphNode*> &newNodes)
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: Target(G.Target) {
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BBs = G.BBs;
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@@ -199,7 +199,7 @@ MSchedGraph::MSchedGraph(const MSchedGraph &G,
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std::map<MSchedGraphNode*, MSchedGraphNode*> oldToNew;
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//Copy all nodes
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for(MSchedGraph::const_iterator N = G.GraphMap.begin(),
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NE = G.GraphMap.end(); N != NE; ++N) {
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NE = G.GraphMap.end(); N != NE; ++N) {
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MSchedGraphNode *newNode = new MSchedGraphNode(*(N->second));
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oldToNew[&*(N->second)] = newNode;
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@@ -272,8 +272,8 @@ int MSchedGraph::totalDelay() {
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}
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//Experimental code to add edges from the branch to all nodes dependent upon it.
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void hasPath(MSchedGraphNode *node, std::set<MSchedGraphNode*> &visited,
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std::set<MSchedGraphNode*> &branches, MSchedGraphNode *startNode,
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std::set<std::pair<MSchedGraphNode*,MSchedGraphNode*> > &newEdges ) {
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std::set<MSchedGraphNode*> &branches, MSchedGraphNode *startNode,
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std::set<std::pair<MSchedGraphNode*,MSchedGraphNode*> > &newEdges ) {
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visited.insert(node);
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DEBUG(std::cerr << "Visiting: " << *node << "\n");
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@@ -287,7 +287,7 @@ void hasPath(MSchedGraphNode *node, std::set<MSchedGraphNode*> &visited,
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//only visit if we have not already
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else if(!visited.count(dest)) {
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if(edge->getIteDiff() == 0)
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hasPath(dest, visited, branches, startNode, newEdges);}
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hasPath(dest, visited, branches, startNode, newEdges);}
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}
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@@ -302,7 +302,7 @@ void MSchedGraph::addBranchEdges() {
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I != E; ++I) {
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if(I->second->isBranch())
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if(I->second->hasPredecessors())
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branches.insert(I->second);
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branches.insert(I->second);
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}
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//See if there is a path first instruction to the branches, if so, add an
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@@ -318,8 +318,8 @@ void MSchedGraph::addBranchEdges() {
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unsigned min = GraphMap.size();
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if(newEdges.size() == 1) {
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((newEdges.begin())->first)->addOutEdge(((newEdges.begin())->second),
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MSchedGraphEdge::BranchDep,
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MSchedGraphEdge::NonDataDep, 1);
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MSchedGraphEdge::BranchDep,
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MSchedGraphEdge::NonDataDep, 1);
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}
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else {
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@@ -331,13 +331,13 @@ void MSchedGraph::addBranchEdges() {
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DEBUG(std::cerr << "Branch Edge from: " << *(I->first) << " to " << *(I->second) << "\n");
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// if(I->second->getIndex() <= min) {
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start = I->first;
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end = I->second;
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//min = I->second->getIndex();
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//}
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start->addOutEdge(end,
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MSchedGraphEdge::BranchDep,
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MSchedGraphEdge::NonDataDep, 1);
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start = I->first;
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end = I->second;
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//min = I->second->getIndex();
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//}
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start->addOutEdge(end,
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MSchedGraphEdge::BranchDep,
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MSchedGraphEdge::NonDataDep, 1);
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}
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}
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}
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@@ -345,8 +345,8 @@ void MSchedGraph::addBranchEdges() {
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//Add edges between the nodes
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void MSchedGraph::buildNodesAndEdges(std::map<const MachineInstr*, unsigned> &ignoreInstrs,
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DependenceAnalyzer &DA,
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std::map<MachineInstr*, Instruction*> &machineTollvm) {
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DependenceAnalyzer &DA,
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std::map<MachineInstr*, Instruction*> &machineTollvm) {
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//Get Machine target information for calculating latency
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@@ -361,18 +361,18 @@ void MSchedGraph::buildNodesAndEdges(std::map<const MachineInstr*, unsigned> &ig
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unsigned index = 0;
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for(std::vector<const MachineBasicBlock*>::iterator B = BBs.begin(),
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BE = BBs.end(); B != BE; ++B) {
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BE = BBs.end(); B != BE; ++B) {
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const MachineBasicBlock *BB = *B;
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//Loop over instructions in MBB and add nodes and edges
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for (MachineBasicBlock::const_iterator MI = BB->begin(), e = BB->end();
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MI != e; ++MI) {
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MI != e; ++MI) {
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//Ignore indvar instructions
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if(ignoreInstrs.count(MI)) {
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++index;
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continue;
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++index;
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continue;
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}
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//Get each instruction of machine basic block, get the delay
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@@ -386,16 +386,16 @@ void MSchedGraph::buildNodesAndEdges(std::map<const MachineInstr*, unsigned> &ig
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//Check if subsequent instructions can be issued before
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//the result is ready, if so use min delay.
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if(MTI->hasResultInterlock(MIopCode))
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delay = MTI->minLatency(MIopCode);
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delay = MTI->minLatency(MIopCode);
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else
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#endif
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//Get delay
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delay = MTI->maxLatency(opCode);
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//Get delay
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delay = MTI->maxLatency(opCode);
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//Create new node for this machine instruction and add to the graph.
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//Create only if not a nop
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if(MTI->isNop(opCode))
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continue;
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continue;
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//Sparc BE does not use PHI opcode, so assert on this case
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assert(opCode != TargetInstrInfo::PHI && "Did not expect PHI opcode");
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@@ -404,74 +404,74 @@ void MSchedGraph::buildNodesAndEdges(std::map<const MachineInstr*, unsigned> &ig
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//We want to flag the branch node to treat it special
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if(MTI->isBranch(opCode))
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isBranch = true;
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isBranch = true;
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//Node is created and added to the graph automatically
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MSchedGraphNode *node = new MSchedGraphNode(MI, this, index, delay,
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isBranch);
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isBranch);
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DEBUG(std::cerr << "Created Node: " << *node << "\n");
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//Check OpCode to keep track of memory operations to add memory
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//dependencies later.
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if(MTI->isLoad(opCode) || MTI->isStore(opCode))
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memInstructions.push_back(node);
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memInstructions.push_back(node);
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//Loop over all operands, and put them into the register number to
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//graph node map for determining dependencies
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//If an operands is a use/def, we have an anti dependence to itself
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for(unsigned i=0; i < MI->getNumOperands(); ++i) {
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//Get Operand
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const MachineOperand &mOp = MI->getOperand(i);
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//Check if it has an allocated register
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if(mOp.hasAllocatedReg()) {
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int regNum = mOp.getReg();
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if(regNum != SparcV9::g0) {
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//Put into our map
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regNumtoNodeMap[regNum].push_back(std::make_pair(i, node));
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}
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continue;
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}
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//Add virtual registers dependencies
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//Check if any exist in the value map already and create dependencies
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//between them.
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if(mOp.getType() == MachineOperand::MO_VirtualRegister
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|| mOp.getType() == MachineOperand::MO_CCRegister) {
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//Make sure virtual register value is not null
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assert((mOp.getVRegValue() != NULL) && "Null value is defined");
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//Check if this is a read operation in a phi node, if so DO NOT PROCESS
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if(mOp.isUse() && (opCode == TargetInstrInfo::PHI)) {
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DEBUG(std::cerr << "Read Operation in a PHI node\n");
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continue;
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}
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if (const Value* srcI = mOp.getVRegValue()) {
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//Find value in the map
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std::map<const Value*, std::vector<OpIndexNodePair> >::iterator V
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= valuetoNodeMap.find(srcI);
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//If there is something in the map already, add edges from
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//those instructions
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//to this one we are processing
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if(V != valuetoNodeMap.end()) {
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addValueEdges(V->second, node, mOp.isUse(), mOp.isDef(), phiInstrs);
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//Add to value map
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V->second.push_back(std::make_pair(i,node));
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}
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//Otherwise put it in the map
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else
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//Put into value map
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valuetoNodeMap[mOp.getVRegValue()].push_back(std::make_pair(i, node));
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}
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}
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//Get Operand
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const MachineOperand &mOp = MI->getOperand(i);
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//Check if it has an allocated register
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if(mOp.hasAllocatedReg()) {
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int regNum = mOp.getReg();
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if(regNum != SparcV9::g0) {
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//Put into our map
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regNumtoNodeMap[regNum].push_back(std::make_pair(i, node));
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}
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continue;
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}
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//Add virtual registers dependencies
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//Check if any exist in the value map already and create dependencies
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//between them.
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if(mOp.getType() == MachineOperand::MO_VirtualRegister
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|| mOp.getType() == MachineOperand::MO_CCRegister) {
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//Make sure virtual register value is not null
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assert((mOp.getVRegValue() != NULL) && "Null value is defined");
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//Check if this is a read operation in a phi node, if so DO NOT PROCESS
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if(mOp.isUse() && (opCode == TargetInstrInfo::PHI)) {
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DEBUG(std::cerr << "Read Operation in a PHI node\n");
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continue;
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}
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if (const Value* srcI = mOp.getVRegValue()) {
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//Find value in the map
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std::map<const Value*, std::vector<OpIndexNodePair> >::iterator V
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= valuetoNodeMap.find(srcI);
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//If there is something in the map already, add edges from
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//those instructions
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//to this one we are processing
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if(V != valuetoNodeMap.end()) {
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addValueEdges(V->second, node, mOp.isUse(), mOp.isDef(), phiInstrs);
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//Add to value map
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V->second.push_back(std::make_pair(i,node));
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}
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//Otherwise put it in the map
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else
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//Put into value map
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valuetoNodeMap[mOp.getVRegValue()].push_back(std::make_pair(i, node));
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}
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}
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}
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++index;
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}
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@@ -480,15 +480,15 @@ void MSchedGraph::buildNodesAndEdges(std::map<const MachineInstr*, unsigned> &ig
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//phiInstr list to process
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const BasicBlock *llvm_bb = BB->getBasicBlock();
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for(BasicBlock::const_iterator I = llvm_bb->begin(), E = llvm_bb->end();
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I != E; ++I) {
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I != E; ++I) {
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if(const PHINode *PN = dyn_cast<PHINode>(I)) {
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MachineCodeForInstruction & tempMvec = MachineCodeForInstruction::get(PN);
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for (unsigned j = 0; j < tempMvec.size(); j++) {
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if(!ignoreInstrs.count(tempMvec[j])) {
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DEBUG(std::cerr << "Inserting phi instr into map: " << *tempMvec[j] << "\n");
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phiInstrs.push_back((MachineInstr*) tempMvec[j]);
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}
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}
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MachineCodeForInstruction & tempMvec = MachineCodeForInstruction::get(PN);
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for (unsigned j = 0; j < tempMvec.size(); j++) {
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if(!ignoreInstrs.count(tempMvec[j])) {
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DEBUG(std::cerr << "Inserting phi instr into map: " << *tempMvec[j] << "\n");
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phiInstrs.push_back((MachineInstr*) tempMvec[j]);
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}
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}
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}
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}
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@@ -498,14 +498,14 @@ void MSchedGraph::buildNodesAndEdges(std::map<const MachineInstr*, unsigned> &ig
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//Finally deal with PHI Nodes and Value*
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for(std::vector<const MachineInstr*>::iterator I = phiInstrs.begin(),
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E = phiInstrs.end(); I != E; ++I) {
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E = phiInstrs.end(); I != E; ++I) {
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//Get Node for this instruction
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std::map<const MachineInstr*, MSchedGraphNode*>::iterator X;
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X = find(*I);
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if(X == GraphMap.end())
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continue;
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continue;
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MSchedGraphNode *node = X->second;
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@@ -513,38 +513,38 @@ void MSchedGraph::buildNodesAndEdges(std::map<const MachineInstr*, unsigned> &ig
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//Loop over operands for this instruction and add value edges
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for(unsigned i=0; i < (*I)->getNumOperands(); ++i) {
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//Get Operand
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const MachineOperand &mOp = (*I)->getOperand(i);
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if((mOp.getType() == MachineOperand::MO_VirtualRegister
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|| mOp.getType() == MachineOperand::MO_CCRegister) && mOp.isUse()) {
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//find the value in the map
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if (const Value* srcI = mOp.getVRegValue()) {
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//Find value in the map
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std::map<const Value*, std::vector<OpIndexNodePair> >::iterator V
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= valuetoNodeMap.find(srcI);
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//If there is something in the map already, add edges from
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//those instructions
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//to this one we are processing
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if(V != valuetoNodeMap.end()) {
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addValueEdges(V->second, node, mOp.isUse(), mOp.isDef(),
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phiInstrs, 1);
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}
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}
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}
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//Get Operand
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const MachineOperand &mOp = (*I)->getOperand(i);
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if((mOp.getType() == MachineOperand::MO_VirtualRegister
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|| mOp.getType() == MachineOperand::MO_CCRegister) && mOp.isUse()) {
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//find the value in the map
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if (const Value* srcI = mOp.getVRegValue()) {
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//Find value in the map
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std::map<const Value*, std::vector<OpIndexNodePair> >::iterator V
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= valuetoNodeMap.find(srcI);
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//If there is something in the map already, add edges from
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//those instructions
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//to this one we are processing
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if(V != valuetoNodeMap.end()) {
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addValueEdges(V->second, node, mOp.isUse(), mOp.isDef(),
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phiInstrs, 1);
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}
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}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
//Add dependencies for Value*s
|
||||
void MSchedGraph::addValueEdges(std::vector<OpIndexNodePair> &NodesInMap,
|
||||
MSchedGraphNode *destNode, bool nodeIsUse,
|
||||
bool nodeIsDef, std::vector<const MachineInstr*> &phiInstrs, int diff) {
|
||||
MSchedGraphNode *destNode, bool nodeIsUse,
|
||||
bool nodeIsDef, std::vector<const MachineInstr*> &phiInstrs, int diff) {
|
||||
|
||||
for(std::vector<OpIndexNodePair>::iterator I = NodesInMap.begin(),
|
||||
E = NodesInMap.end(); I != E; ++I) {
|
||||
E = NodesInMap.end(); I != E; ++I) {
|
||||
|
||||
//Get node in vectors machine operand that is the same value as node
|
||||
MSchedGraphNode *srcNode = I->second;
|
||||
@@ -552,26 +552,26 @@ void MSchedGraph::addValueEdges(std::vector<OpIndexNodePair> &NodesInMap,
|
||||
|
||||
if(diff > 0)
|
||||
if(std::find(phiInstrs.begin(), phiInstrs.end(), srcNode->getInst()) == phiInstrs.end())
|
||||
continue;
|
||||
continue;
|
||||
|
||||
//Node is a Def, so add output dep.
|
||||
if(nodeIsDef) {
|
||||
if(mOp.isUse()) {
|
||||
DEBUG(std::cerr << "Edge from " << *srcNode << " to " << *destNode << " (itediff=" << diff << ", type=anti)\n");
|
||||
srcNode->addOutEdge(destNode, MSchedGraphEdge::ValueDep,
|
||||
MSchedGraphEdge::AntiDep, diff);
|
||||
DEBUG(std::cerr << "Edge from " << *srcNode << " to " << *destNode << " (itediff=" << diff << ", type=anti)\n");
|
||||
srcNode->addOutEdge(destNode, MSchedGraphEdge::ValueDep,
|
||||
MSchedGraphEdge::AntiDep, diff);
|
||||
}
|
||||
if(mOp.isDef()) {
|
||||
DEBUG(std::cerr << "Edge from " << *srcNode << " to " << *destNode << " (itediff=" << diff << ", type=output)\n");
|
||||
srcNode->addOutEdge(destNode, MSchedGraphEdge::ValueDep,
|
||||
MSchedGraphEdge::OutputDep, diff);
|
||||
DEBUG(std::cerr << "Edge from " << *srcNode << " to " << *destNode << " (itediff=" << diff << ", type=output)\n");
|
||||
srcNode->addOutEdge(destNode, MSchedGraphEdge::ValueDep,
|
||||
MSchedGraphEdge::OutputDep, diff);
|
||||
}
|
||||
}
|
||||
if(nodeIsUse) {
|
||||
if(mOp.isDef()) {
|
||||
DEBUG(std::cerr << "Edge from " << *srcNode << " to " << *destNode << " (itediff=" << diff << ", type=true)\n");
|
||||
srcNode->addOutEdge(destNode, MSchedGraphEdge::ValueDep,
|
||||
MSchedGraphEdge::TrueDep, diff);
|
||||
DEBUG(std::cerr << "Edge from " << *srcNode << " to " << *destNode << " (itediff=" << diff << ", type=true)\n");
|
||||
srcNode->addOutEdge(destNode, MSchedGraphEdge::ValueDep,
|
||||
MSchedGraphEdge::TrueDep, diff);
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -609,71 +609,71 @@ void MSchedGraph::addMachRegEdges(std::map<int, std::vector<OpIndexNodePair> >&
|
||||
|
||||
//Look at all instructions after this in execution order
|
||||
for(unsigned j=i+1; j < Nodes.size(); ++j) {
|
||||
|
||||
//Sink node is a write
|
||||
if(Nodes[j].second->getInst()->getOperand(Nodes[j].first).isDef()) {
|
||||
//Src only uses the register (read)
|
||||
|
||||
//Sink node is a write
|
||||
if(Nodes[j].second->getInst()->getOperand(Nodes[j].first).isDef()) {
|
||||
//Src only uses the register (read)
|
||||
if(srcIsUse)
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::AntiDep);
|
||||
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::AntiDep);
|
||||
|
||||
else if(srcIsUseandDef) {
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::AntiDep);
|
||||
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::OutputDep);
|
||||
}
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::AntiDep);
|
||||
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::OutputDep);
|
||||
}
|
||||
else
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::OutputDep);
|
||||
}
|
||||
//Dest node is a read
|
||||
else {
|
||||
if(!srcIsUse || srcIsUseandDef)
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::TrueDep);
|
||||
}
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::OutputDep);
|
||||
}
|
||||
//Dest node is a read
|
||||
else {
|
||||
if(!srcIsUse || srcIsUseandDef)
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::TrueDep);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
//Look at all the instructions before this one since machine registers
|
||||
//could live across iterations.
|
||||
for(unsigned j = 0; j < i; ++j) {
|
||||
//Sink node is a write
|
||||
if(Nodes[j].second->getInst()->getOperand(Nodes[j].first).isDef()) {
|
||||
//Src only uses the register (read)
|
||||
//Sink node is a write
|
||||
if(Nodes[j].second->getInst()->getOperand(Nodes[j].first).isDef()) {
|
||||
//Src only uses the register (read)
|
||||
if(srcIsUse)
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::AntiDep, 1);
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::AntiDep, 1);
|
||||
else if(srcIsUseandDef) {
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::AntiDep, 1);
|
||||
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::OutputDep, 1);
|
||||
}
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::AntiDep, 1);
|
||||
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::OutputDep, 1);
|
||||
}
|
||||
else
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::OutputDep, 1);
|
||||
}
|
||||
//Dest node is a read
|
||||
else {
|
||||
if(!srcIsUse || srcIsUseandDef)
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::TrueDep,1 );
|
||||
}
|
||||
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::OutputDep, 1);
|
||||
}
|
||||
//Dest node is a read
|
||||
else {
|
||||
if(!srcIsUse || srcIsUseandDef)
|
||||
srcNode->addOutEdge(Nodes[j].second,
|
||||
MSchedGraphEdge::MachineRegister,
|
||||
MSchedGraphEdge::TrueDep,1 );
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
@@ -686,8 +686,8 @@ void MSchedGraph::addMachRegEdges(std::map<int, std::vector<OpIndexNodePair> >&
|
||||
//Add edges between all loads and stores
|
||||
//Can be less strict with alias analysis and data dependence analysis.
|
||||
void MSchedGraph::addMemEdges(const std::vector<MSchedGraphNode*>& memInst,
|
||||
DependenceAnalyzer &DA,
|
||||
std::map<MachineInstr*, Instruction*> &machineTollvm) {
|
||||
DependenceAnalyzer &DA,
|
||||
std::map<MachineInstr*, Instruction*> &machineTollvm) {
|
||||
|
||||
//Get Target machine instruction info
|
||||
const TargetInstrInfo *TMI = Target.getInstrInfo();
|
||||
@@ -707,7 +707,7 @@ void MSchedGraph::addMemEdges(const std::vector<MSchedGraphNode*>& memInst,
|
||||
|
||||
//No self loops
|
||||
if(destIndex == srcIndex)
|
||||
continue;
|
||||
continue;
|
||||
|
||||
MachineInstr *destInst = (MachineInstr*) memInst[destIndex]->getInst();
|
||||
|
||||
@@ -717,7 +717,7 @@ void MSchedGraph::addMemEdges(const std::vector<MSchedGraphNode*>& memInst,
|
||||
//Assuming instructions without corresponding llvm instructions
|
||||
//are from constant pools.
|
||||
if (!machineTollvm.count(srcInst) || !machineTollvm.count(destInst))
|
||||
continue;
|
||||
continue;
|
||||
|
||||
bool useDepAnalyzer = true;
|
||||
|
||||
@@ -726,78 +726,78 @@ void MSchedGraph::addMemEdges(const std::vector<MSchedGraphNode*>& memInst,
|
||||
Instruction *srcLLVM = machineTollvm[srcInst];
|
||||
Instruction *destLLVM = machineTollvm[destInst];
|
||||
if(!isa<LoadInst>(srcLLVM)
|
||||
&& !isa<StoreInst>(srcLLVM)) {
|
||||
if(isa<BinaryOperator>(srcLLVM)) {
|
||||
if(isa<ConstantFP>(srcLLVM->getOperand(0)) || isa<ConstantFP>(srcLLVM->getOperand(1)))
|
||||
continue;
|
||||
}
|
||||
useDepAnalyzer = false;
|
||||
&& !isa<StoreInst>(srcLLVM)) {
|
||||
if(isa<BinaryOperator>(srcLLVM)) {
|
||||
if(isa<ConstantFP>(srcLLVM->getOperand(0)) || isa<ConstantFP>(srcLLVM->getOperand(1)))
|
||||
continue;
|
||||
}
|
||||
useDepAnalyzer = false;
|
||||
}
|
||||
if(!isa<LoadInst>(destLLVM)
|
||||
&& !isa<StoreInst>(destLLVM)) {
|
||||
if(isa<BinaryOperator>(destLLVM)) {
|
||||
if(isa<ConstantFP>(destLLVM->getOperand(0)) || isa<ConstantFP>(destLLVM->getOperand(1)))
|
||||
continue;
|
||||
}
|
||||
useDepAnalyzer = false;
|
||||
&& !isa<StoreInst>(destLLVM)) {
|
||||
if(isa<BinaryOperator>(destLLVM)) {
|
||||
if(isa<ConstantFP>(destLLVM->getOperand(0)) || isa<ConstantFP>(destLLVM->getOperand(1)))
|
||||
continue;
|
||||
}
|
||||
useDepAnalyzer = false;
|
||||
}
|
||||
|
||||
//Use dep analysis when we have corresponding llvm loads/stores
|
||||
if(useDepAnalyzer) {
|
||||
bool srcBeforeDest = true;
|
||||
if(destIndex < srcIndex)
|
||||
srcBeforeDest = false;
|
||||
bool srcBeforeDest = true;
|
||||
if(destIndex < srcIndex)
|
||||
srcBeforeDest = false;
|
||||
|
||||
DependenceResult dr = DA.getDependenceInfo(machineTollvm[srcInst],
|
||||
machineTollvm[destInst],
|
||||
srcBeforeDest);
|
||||
|
||||
for(std::vector<Dependence>::iterator d = dr.dependences.begin(),
|
||||
de = dr.dependences.end(); d != de; ++d) {
|
||||
//Add edge from load to store
|
||||
memInst[srcIndex]->addOutEdge(memInst[destIndex],
|
||||
MSchedGraphEdge::MemoryDep,
|
||||
d->getDepType(), d->getIteDiff());
|
||||
|
||||
}
|
||||
DependenceResult dr = DA.getDependenceInfo(machineTollvm[srcInst],
|
||||
machineTollvm[destInst],
|
||||
srcBeforeDest);
|
||||
|
||||
for(std::vector<Dependence>::iterator d = dr.dependences.begin(),
|
||||
de = dr.dependences.end(); d != de; ++d) {
|
||||
//Add edge from load to store
|
||||
memInst[srcIndex]->addOutEdge(memInst[destIndex],
|
||||
MSchedGraphEdge::MemoryDep,
|
||||
d->getDepType(), d->getIteDiff());
|
||||
|
||||
}
|
||||
}
|
||||
//Otherwise, we can not do any further analysis and must make a dependence
|
||||
else {
|
||||
|
||||
//Get the machine opCode to determine type of memory instruction
|
||||
MachineOpCode destNodeOpCode = destInst->getOpcode();
|
||||
|
||||
//Get the machine opCode to determine type of memory instruction
|
||||
MachineOpCode destNodeOpCode = destInst->getOpcode();
|
||||
|
||||
//Get the Value* that we are reading from the load, always the first op
|
||||
const MachineOperand &mOp = srcInst->getOperand(0);
|
||||
const MachineOperand &mOp2 = destInst->getOperand(0);
|
||||
|
||||
if(mOp.hasAllocatedReg())
|
||||
if(mOp.getReg() == SparcV9::g0)
|
||||
continue;
|
||||
if(mOp2.hasAllocatedReg())
|
||||
if(mOp2.getReg() == SparcV9::g0)
|
||||
continue;
|
||||
//Get the Value* that we are reading from the load, always the first op
|
||||
const MachineOperand &mOp = srcInst->getOperand(0);
|
||||
const MachineOperand &mOp2 = destInst->getOperand(0);
|
||||
|
||||
if(mOp.hasAllocatedReg())
|
||||
if(mOp.getReg() == SparcV9::g0)
|
||||
continue;
|
||||
if(mOp2.hasAllocatedReg())
|
||||
if(mOp2.getReg() == SparcV9::g0)
|
||||
continue;
|
||||
|
||||
DEBUG(std::cerr << "Adding dependence for machine instructions\n");
|
||||
//Load-Store deps
|
||||
if(TMI->isLoad(srcNodeOpCode)) {
|
||||
DEBUG(std::cerr << "Adding dependence for machine instructions\n");
|
||||
//Load-Store deps
|
||||
if(TMI->isLoad(srcNodeOpCode)) {
|
||||
|
||||
if(TMI->isStore(destNodeOpCode))
|
||||
memInst[srcIndex]->addOutEdge(memInst[destIndex],
|
||||
MSchedGraphEdge::MemoryDep,
|
||||
MSchedGraphEdge::AntiDep, 0);
|
||||
}
|
||||
else if(TMI->isStore(srcNodeOpCode)) {
|
||||
if(TMI->isStore(destNodeOpCode))
|
||||
memInst[srcIndex]->addOutEdge(memInst[destIndex],
|
||||
MSchedGraphEdge::MemoryDep,
|
||||
MSchedGraphEdge::OutputDep, 0);
|
||||
if(TMI->isStore(destNodeOpCode))
|
||||
memInst[srcIndex]->addOutEdge(memInst[destIndex],
|
||||
MSchedGraphEdge::MemoryDep,
|
||||
MSchedGraphEdge::AntiDep, 0);
|
||||
}
|
||||
else if(TMI->isStore(srcNodeOpCode)) {
|
||||
if(TMI->isStore(destNodeOpCode))
|
||||
memInst[srcIndex]->addOutEdge(memInst[destIndex],
|
||||
MSchedGraphEdge::MemoryDep,
|
||||
MSchedGraphEdge::OutputDep, 0);
|
||||
|
||||
else
|
||||
memInst[srcIndex]->addOutEdge(memInst[destIndex],
|
||||
MSchedGraphEdge::MemoryDep,
|
||||
MSchedGraphEdge::TrueDep, 0);
|
||||
}
|
||||
else
|
||||
memInst[srcIndex]->addOutEdge(memInst[destIndex],
|
||||
MSchedGraphEdge::MemoryDep,
|
||||
MSchedGraphEdge::TrueDep, 0);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
Reference in New Issue
Block a user