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compiled with the new SchedGraphCommon 

llvm-svn: 6545
This commit is contained in:
Guochun Shi 2003-06-02 17:48:56 +00:00
parent 93c8f14906
commit 8dfdb0f68e
3 changed files with 38 additions and 27 deletions
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35
llvm/lib/CodeGen/ModuloScheduling/ModuloSchedGraph.cpp
View File

@ -50,12 +50,12 @@ struct ValueToDefVecMap:public hash_map<const Instruction*,RefVec> {
// class Modulo SchedGraphNode
ModuloSchedGraphNode::ModuloSchedGraphNode(unsigned int _nodeId,
const BasicBlock * _bb,
const Instruction * _inst,
ModuloSchedGraphNode::ModuloSchedGraphNode(unsigned int in_nodeId,
const BasicBlock * in_bb,
const Instruction * in_inst,
int indexInBB,
const TargetMachine & target)
:SchedGraphNodeCommon(_nodeId, _bb, indexInBB), inst(_inst)
:SchedGraphNodeCommon(in_nodeId, indexInBB), inst(in_inst)
{
if (inst) {
//FIXME: find the latency
@ -298,8 +298,7 @@ bool ModuloSchedGraph::isLoop() {
//only if the last instruction in the basicblock is branch instruction and
//there is at least an option to branch itself
assert(bbVec.size() == 1 && "only 1 basicblock in a graph");
const BasicBlock *bb = bbVec[0];
assert(this->bb&& "the basicblock is not empty");
const Instruction *inst = &(bb->back());
if (BranchInst::classof(inst))
for (unsigned i = 0; i < ((BranchInst *) inst)->getNumSuccessors();
@ -308,7 +307,7 @@ bool ModuloSchedGraph::isLoop() {
if (sb == bb)
return true;
}
return false;
}
@ -674,7 +673,6 @@ void ModuloSchedGraph::orderNodes() {
oNodes.clear();
std::vector < ModuloSchedGraphNode * >set;
const BasicBlock *bb = bbVec[0];
unsigned numNodes = bb->size();
// first order all the sets
@ -873,9 +871,8 @@ void ModuloSchedGraph::orderNodes() {
void ModuloSchedGraph::buildGraph(const TargetMachine & target)
{
const BasicBlock *bb = bbVec[0];
assert(bbVec.size() == 1 && "only handling a single basic block here");
assert(this->bb && "The basicBlock is NULL?");
// Use this data structure to note all machine operands that compute
// ordinary LLVM values. These must be computed defs (i.e., instructions).
@ -1277,10 +1274,9 @@ void ModuloSchedGraph::dump(const BasicBlock * bb, std::ostream & os)
void ModuloSchedGraph::dump() const
{
DEBUG(std::cerr << " ModuloSchedGraph for basic Blocks:");
for (unsigned i = 0, N = bbVec.size(); i < N; i++) {
DEBUG(std::cerr << (bbVec[i]->hasName()? bbVec[i]->getName() : "block")
<< " (" << bbVec[i] << ")" << ((i == N - 1) ? "" : ", "));
}
DEBUG(std::cerr << (bb->hasName()? bb->getName() : "block")
<< " (" << bb << ")" << "");
DEBUG(std::cerr << "\n\n Actual Root nodes : ");
for (unsigned i = 0, N = graphRoot->outEdges.size(); i < N; i++)
@ -1290,7 +1286,7 @@ void ModuloSchedGraph::dump() const
DEBUG(std::cerr << "\n Graph Nodes:\n");
//for (const_iterator I=begin(); I != end(); ++I)
//DEBUG(std::cerr << "\n" << *I->second;
unsigned numNodes = bbVec[0]->size();
unsigned numNodes = bb->size();
for (unsigned i = 2; i < numNodes + 2; i++) {
ModuloSchedGraphNode *node = getNode(i);
DEBUG(std::cerr << "\n" << *node);
@ -1301,7 +1297,7 @@ void ModuloSchedGraph::dump() const
void ModuloSchedGraph::dumpNodeProperty() const
{
const BasicBlock *bb = bbVec[0];
unsigned numNodes = bb->size();
for (unsigned i = 2; i < numNodes + 2; i++) {
ModuloSchedGraphNode *node = getNode(i);
@ -1317,8 +1313,11 @@ void ModuloSchedGraph::dumpNodeProperty() const
void ModuloSchedGraphSet::buildGraphsForMethod(const Function *F,
const TargetMachine &target)
{
for (Function::const_iterator BI = F->begin(); BI != F->end(); ++BI)
addGraph(new ModuloSchedGraph(BI, target));
for (Function::const_iterator BI = F->begin(); BI != F->end(); ++BI){
const BasicBlock* local_bb;
local_bb=BI;
addGraph(new ModuloSchedGraph((BasicBlock*)local_bb, target));
}
}
std::ostream& operator<<(std::ostream &os,

28
llvm/lib/CodeGen/ModuloScheduling/ModuloSchedGraph.h
View File

@ -56,6 +56,7 @@ public:
const unsigned getInstOpcode() const {
return inst->getOpcode();
}
//return whether the node is NULL
bool isNullNode() const {
return (inst == NULL);
@ -138,6 +139,9 @@ class ModuloSchedGraph :
protected hash_map<const Instruction*,ModuloSchedGraphNode*> {
private:
BasicBlock* bb;
//iteration Interval
int MII;
@ -153,14 +157,14 @@ private:
typedef std::vector<ModuloSchedGraphNode*> NodeVec;
//the function to compute properties
void computeNodeASAP(const BasicBlock *bb);
void computeNodeALAP(const BasicBlock *bb);
void computeNodeMov(const BasicBlock *bb);
void computeNodeDepth(const BasicBlock *bb);
void computeNodeHeight(const BasicBlock *bb);
void computeNodeASAP(const BasicBlock * in_bb);
void computeNodeALAP(const BasicBlock * in_bb);
void computeNodeMov(const BasicBlock * in_bb);
void computeNodeDepth(const BasicBlock * in_bb);
void computeNodeHeight(const BasicBlock * in_bb);
//the function to compute node property
void computeNodeProperty(const BasicBlock *bb);
void computeNodeProperty(const BasicBlock * in_bb);
//the function to sort nodes
void orderNodes();
@ -220,6 +224,13 @@ public:
const TargetMachine & getTarget() {
return target;
}
//get the basic block
BasicBlock* getBasicBlock() const {
return bb;
}
//get the iteration interval
const int getMII() {
return MII;
@ -265,8 +276,9 @@ private:
friend class ModuloSchedGraphSet; //give access to ctor
public:
ModuloSchedGraph(const BasicBlock *bb, const TargetMachine &_target)
:SchedGraphCommon(bb), target(_target)
ModuloSchedGraph(BasicBlock * in_bb,
const TargetMachine & in_target)
:SchedGraphCommon(), bb(in_bb),target(in_target)
{
buildGraph(target);
}

2
llvm/lib/CodeGen/ModuloScheduling/ModuloScheduling.h
View File

@ -65,7 +65,7 @@ public:
graph(_graph), target(graph.getTarget()), oNodes(graph.getONodes())
{
II = graph.getMII();
bb = (BasicBlock *) graph.getBasicBlocks()[0];
bb = graph.getBasicBlock();
instrScheduling();
};