Make pass correct
This commit is contained in:
@@ -3,6 +3,7 @@
|
|||||||
#include <vector>
|
#include <vector>
|
||||||
#include <queue>
|
#include <queue>
|
||||||
#include <iostream>
|
#include <iostream>
|
||||||
|
#include <algorithm>
|
||||||
|
|
||||||
#include "../../Utils/errors.h"
|
#include "../../Utils/errors.h"
|
||||||
#include "../../Utils/SgUtils.h"
|
#include "../../Utils/SgUtils.h"
|
||||||
@@ -15,316 +16,203 @@
|
|||||||
|
|
||||||
using namespace std;
|
using namespace std;
|
||||||
|
|
||||||
|
string getNameByArg(SAPFOR::Argument* arg);
|
||||||
|
SgSymbol* getSybolByArg(SAPFOR::Argument* arg);
|
||||||
|
|
||||||
unordered_set<int> loop_tags = {FOR_NODE/*, FORALL_NODE, WHILE_NODE, DO_WHILE_NODE*/};
|
static vector<SAPFOR::IR_Block*> findInstructionsFromOperator(SgStatement* st, vector<SAPFOR::BasicBlock*> Blocks) {
|
||||||
unordered_set<int> importantDepsTags = {FOR_NODE, IF_NODE};
|
|
||||||
unordered_set<int> importantUpdDepsTags = {ELSEIF_NODE};
|
|
||||||
unordered_set<int> importantEndTags = {CONTROL_END};
|
|
||||||
|
|
||||||
|
|
||||||
vector<SAPFOR::IR_Block*> findInstructionsFromOperator(SgStatement* st, vector<SAPFOR::BasicBlock*> Blocks)
|
|
||||||
{
|
|
||||||
vector<SAPFOR::IR_Block*> result;
|
vector<SAPFOR::IR_Block*> result;
|
||||||
string filename = st -> fileName();
|
string filename = st->fileName();
|
||||||
for (auto& block: Blocks)
|
|
||||||
{
|
for (auto& block: Blocks) {
|
||||||
vector<SAPFOR::IR_Block*> instructionsInBlock = block -> getInstructions();
|
vector<SAPFOR::IR_Block*> instructionsInBlock = block->getInstructions();
|
||||||
for (auto& instruction: instructionsInBlock)
|
for (auto& instruction: instructionsInBlock) {
|
||||||
{
|
SgStatement* curOperator = instruction->getInstruction()->getOperator();
|
||||||
SgStatement* curOperator = instruction -> getInstruction() -> getOperator();
|
// Match by line number to find corresponding IR instruction
|
||||||
if (curOperator -> lineNumber() == st -> lineNumber())
|
if (curOperator->lineNumber() == st->lineNumber()) {
|
||||||
result.push_back(instruction);
|
result.push_back(instruction);
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
return result;
|
return result;
|
||||||
}
|
}
|
||||||
|
|
||||||
vector<SAPFOR::BasicBlock*> findFuncBlocksByFuncStatement(SgStatement *st, map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR)
|
unordered_set<int> loop_tags = {FOR_NODE};
|
||||||
{
|
unordered_set<int> control_tags = {IF_NODE, ELSEIF_NODE, DO_WHILE_NODE, WHILE_NODE};
|
||||||
vector<SAPFOR::BasicBlock*> result;
|
unordered_set<int> control_end_tags = {CONTROL_END};
|
||||||
Statement* forSt = (Statement*)st;
|
|
||||||
for (auto& func: FullIR)
|
|
||||||
{
|
|
||||||
if (func.first -> funcPointer -> getCurrProcessFile() == forSt -> getCurrProcessFile()
|
|
||||||
&& func.first -> funcPointer -> lineNumber() == forSt -> lineNumber())
|
|
||||||
result = func.second;
|
|
||||||
}
|
|
||||||
return result;
|
|
||||||
}
|
|
||||||
|
|
||||||
map<SgForStmt*, vector<SAPFOR::BasicBlock*>> findAndAnalyzeLoops(SgStatement *st, vector<SAPFOR::BasicBlock*> blocks)
|
struct OperatorInfo {
|
||||||
{
|
|
||||||
map<SgForStmt*, vector<SAPFOR::BasicBlock*>> result;
|
|
||||||
SgStatement *lastNode = st->lastNodeOfStmt();
|
|
||||||
while (st && st != lastNode)
|
|
||||||
{
|
|
||||||
if (loop_tags.find(st -> variant()) != loop_tags.end())
|
|
||||||
{
|
|
||||||
// part with find statements of loop
|
|
||||||
SgForStmt *forSt = (SgForStmt*)st;
|
|
||||||
SgStatement *loopBody = forSt -> body();
|
|
||||||
SgStatement *lastLoopNode = st->lastNodeOfStmt();
|
|
||||||
// part with find blocks and instructions of loops
|
|
||||||
unordered_set<int> blocks_nums;
|
|
||||||
while (loopBody && loopBody != lastLoopNode)
|
|
||||||
{
|
|
||||||
SAPFOR::IR_Block* IR = findInstructionsFromOperator(loopBody, blocks).front();
|
|
||||||
if (blocks_nums.find(IR -> getBasicBlock() -> getNumber()) == blocks_nums.end())
|
|
||||||
{
|
|
||||||
result[forSt].push_back(IR -> getBasicBlock());
|
|
||||||
blocks_nums.insert(IR -> getBasicBlock() -> getNumber());
|
|
||||||
}
|
|
||||||
loopBody = loopBody -> lexNext();
|
|
||||||
}
|
|
||||||
std::sort(result[forSt].begin(), result[forSt].end());
|
|
||||||
}
|
|
||||||
st = st -> lexNext();
|
|
||||||
}
|
|
||||||
return result;
|
|
||||||
}
|
|
||||||
|
|
||||||
map<SgStatement*, set<SgStatement*>> AnalyzeLoopAndFindDeps(SgForStmt* forStatement, vector<SAPFOR::BasicBlock*> loopBlocks, map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR)
|
|
||||||
{
|
|
||||||
map<SgStatement*, set<SgStatement*>> result;
|
|
||||||
for (SAPFOR::BasicBlock* bb: loopBlocks)
|
|
||||||
{
|
|
||||||
map<SAPFOR::Argument*, set<int>> blockReachingDefinitions = bb -> getRD_In();
|
|
||||||
vector<SAPFOR::IR_Block*> instructions = bb -> getInstructions();
|
|
||||||
for (SAPFOR::IR_Block* irBlock: instructions)
|
|
||||||
{
|
|
||||||
// TODO: Think about what to do with function calls and array references. Because there are also dependencies there that are not reflected in RD, but they must be taken into account
|
|
||||||
SAPFOR::Instruction* instr = irBlock -> getInstruction();
|
|
||||||
result[instr -> getOperator()];
|
|
||||||
// take Argument 1 and it's RD and push operators to final set
|
|
||||||
if (instr -> getArg1() != NULL)
|
|
||||||
{
|
|
||||||
SAPFOR::Argument* arg = instr -> getArg1();
|
|
||||||
set<int> prevInstructionsNumbers = blockReachingDefinitions[arg];
|
|
||||||
for (int i: prevInstructionsNumbers)
|
|
||||||
{
|
|
||||||
SAPFOR::Instruction* foundInstruction = getInstructionAndBlockByNumber(FullIR, i).first;
|
|
||||||
if (foundInstruction != NULL)
|
|
||||||
{
|
|
||||||
SgStatement* prevOp = foundInstruction -> getOperator();
|
|
||||||
if (prevOp != forStatement && instr -> getOperator() != forStatement && instr -> getOperator() -> lineNumber() > prevOp -> lineNumber()
|
|
||||||
&& prevOp -> lineNumber() > forStatement -> lineNumber())
|
|
||||||
result[instr -> getOperator()].insert(prevOp);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
// take Argument 2 (if exists) and it's RD and push operators to final set
|
|
||||||
if (instr -> getArg2() != NULL)
|
|
||||||
{
|
|
||||||
SAPFOR::Argument* arg = instr -> getArg2();
|
|
||||||
set<int> prevInstructionsNumbers = blockReachingDefinitions[arg];
|
|
||||||
for (int i: prevInstructionsNumbers)
|
|
||||||
{
|
|
||||||
SAPFOR::Instruction* foundInstruction = getInstructionAndBlockByNumber(FullIR, i).first;
|
|
||||||
if (foundInstruction != NULL)
|
|
||||||
{
|
|
||||||
SgStatement* prevOp = foundInstruction -> getOperator();
|
|
||||||
if (prevOp != forStatement && instr -> getOperator() != forStatement&& instr -> getOperator() -> lineNumber() > prevOp -> lineNumber()
|
|
||||||
&& prevOp -> lineNumber() > forStatement -> lineNumber())
|
|
||||||
result[instr -> getOperator()].insert(prevOp);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
// update RD
|
|
||||||
if (instr -> getResult() != NULL)
|
|
||||||
blockReachingDefinitions[instr -> getResult()] = {instr -> getNumber()};
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return result;
|
|
||||||
}
|
|
||||||
|
|
||||||
void buildAdditionalDeps(SgForStmt* forStatement, map<SgStatement*, set<SgStatement*>>& dependencies)
|
|
||||||
{
|
|
||||||
SgStatement* lastNode = forStatement->lastNodeOfStmt();
|
|
||||||
vector<SgStatement*> importantDeps;
|
|
||||||
SgStatement* st = (SgStatement*) forStatement;
|
|
||||||
st = st -> lexNext();
|
|
||||||
SgStatement* logIfOp = NULL;
|
|
||||||
while (st && st != lastNode)
|
|
||||||
{
|
|
||||||
if(importantDeps.size() != 0)
|
|
||||||
{
|
|
||||||
if (st != importantDeps.back())
|
|
||||||
{
|
|
||||||
dependencies[st].insert(importantDeps.back());
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (logIfOp != NULL)
|
|
||||||
{
|
|
||||||
dependencies[st].insert(logIfOp);
|
|
||||||
logIfOp = NULL;
|
|
||||||
}
|
|
||||||
if (st -> variant() == LOGIF_NODE)
|
|
||||||
{
|
|
||||||
logIfOp = st;
|
|
||||||
}
|
|
||||||
if (importantDepsTags.find(st -> variant()) != importantDepsTags.end())
|
|
||||||
{
|
|
||||||
importantDeps.push_back(st);
|
|
||||||
}
|
|
||||||
if (importantUpdDepsTags.find(st -> variant()) != importantUpdDepsTags.end())
|
|
||||||
{
|
|
||||||
importantDeps.pop_back();
|
|
||||||
importantDeps.push_back(st);
|
|
||||||
}
|
|
||||||
if (importantEndTags.find(st -> variant()) != importantEndTags.end())
|
|
||||||
{
|
|
||||||
if(importantDeps.size() != 0)
|
|
||||||
{
|
|
||||||
importantDeps.pop_back();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
st = st -> lexNext();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
struct ReadyOp {
|
|
||||||
SgStatement* stmt;
|
SgStatement* stmt;
|
||||||
int degree;
|
set<string> usedVars;
|
||||||
size_t arrival;
|
set<string> definedVars;
|
||||||
ReadyOp(SgStatement* s, int d, size_t a): stmt(s), degree(d), arrival(a) {}
|
int lineNumber;
|
||||||
|
bool isMovable;
|
||||||
|
OperatorInfo(SgStatement* s) : stmt(s), lineNumber(s->lineNumber()), isMovable(true) {}
|
||||||
};
|
};
|
||||||
|
|
||||||
struct ReadyOpCompare {
|
static vector<OperatorInfo> analyzeOperatorsInLoop(SgForStmt* loop, vector<SAPFOR::BasicBlock*> blocks, map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR) {
|
||||||
bool operator()(const ReadyOp& a, const ReadyOp& b) const {
|
vector<OperatorInfo> operators;
|
||||||
if (a.degree != b.degree)
|
SgStatement* loopStart = loop->lexNext();
|
||||||
return a.degree > b.degree;
|
SgStatement* loopEnd = loop->lastNodeOfStmt();
|
||||||
else
|
|
||||||
return a.arrival > b.arrival;
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
vector<SgStatement*> scheduleOperations(const map<SgStatement*, set<SgStatement*>>& dependencies)
|
SgStatement* current = loopStart;
|
||||||
{
|
while (current && current != loopEnd) {
|
||||||
// get all statements
|
if (isSgExecutableStatement(current)) {
|
||||||
unordered_set<SgStatement*> allStmtsSet;
|
OperatorInfo opInfo(current);
|
||||||
for (const auto& pair : dependencies)
|
|
||||||
{
|
vector<SAPFOR::IR_Block*> irBlocks = findInstructionsFromOperator(current, blocks);
|
||||||
allStmtsSet.insert(pair.first);
|
for (auto irBlock : irBlocks) {
|
||||||
for (SgStatement* dep : pair.second)
|
SAPFOR::Instruction* instr = irBlock->getInstruction();
|
||||||
{
|
|
||||||
allStmtsSet.insert(dep);
|
if (instr->getArg1()) {
|
||||||
}
|
string varName = getNameByArg(instr->getArg1());
|
||||||
}
|
if (!varName.empty()) {
|
||||||
vector<SgStatement*> allStmts(allStmtsSet.begin(), allStmtsSet.end());
|
opInfo.usedVars.insert(varName);
|
||||||
// count deps and build reversed graph
|
}
|
||||||
unordered_map<SgStatement*, vector<SgStatement*>> graph;
|
|
||||||
unordered_map<SgStatement*, int> inDegree;
|
|
||||||
unordered_map<SgStatement*, int> degree;
|
|
||||||
for (auto op : allStmts)
|
|
||||||
inDegree[op] = 0;
|
|
||||||
// find and remember initial dependencies
|
|
||||||
unordered_set<SgStatement*> dependentStmts;
|
|
||||||
for (const auto& pair : dependencies)
|
|
||||||
{
|
|
||||||
SgStatement* op = pair.first;
|
|
||||||
const auto& deps = pair.second;
|
|
||||||
degree[op] = deps.size();
|
|
||||||
inDegree[op] = deps.size();
|
|
||||||
if (!deps.empty())
|
|
||||||
dependentStmts.insert(op);
|
|
||||||
for (auto dep : deps)
|
|
||||||
graph[dep].push_back(op);
|
|
||||||
}
|
|
||||||
for (SgStatement* op : allStmts)
|
|
||||||
{
|
|
||||||
if (!degree.count(op))
|
|
||||||
{
|
|
||||||
degree[op] = 0;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
// build queues
|
|
||||||
using PQ = priority_queue<ReadyOp, vector<ReadyOp>, ReadyOpCompare>;
|
|
||||||
PQ readyDependent;
|
|
||||||
queue<SgStatement*> readyIndependent;
|
|
||||||
size_t arrivalCounter = 0;
|
|
||||||
for (auto op : allStmts)
|
|
||||||
{
|
|
||||||
if (inDegree[op] == 0)
|
|
||||||
{
|
|
||||||
if (dependentStmts.count(op))
|
|
||||||
{
|
|
||||||
readyDependent.emplace(op, degree[op], arrivalCounter++);
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
readyIndependent.push(op);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
// main sort algorythm
|
|
||||||
vector<SgStatement*> executionOrder;
|
|
||||||
while (!readyDependent.empty() || !readyIndependent.empty())
|
|
||||||
{
|
|
||||||
SgStatement* current = nullptr;
|
|
||||||
if (!readyDependent.empty())
|
|
||||||
{
|
|
||||||
current = readyDependent.top().stmt;
|
|
||||||
readyDependent.pop();
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
current = readyIndependent.front();
|
|
||||||
readyIndependent.pop();
|
|
||||||
}
|
|
||||||
executionOrder.push_back(current);
|
|
||||||
for (SgStatement* neighbor : graph[current])
|
|
||||||
{
|
|
||||||
inDegree[neighbor]--;
|
|
||||||
if (inDegree[neighbor] == 0) {
|
|
||||||
if (dependentStmts.count(neighbor))
|
|
||||||
{
|
|
||||||
readyDependent.emplace(neighbor, degree[neighbor], arrivalCounter++);
|
|
||||||
}
|
}
|
||||||
else
|
if (instr->getArg2()) {
|
||||||
{
|
string varName = getNameByArg(instr->getArg2());
|
||||||
readyIndependent.push(neighbor);
|
if (!varName.empty()) {
|
||||||
|
opInfo.usedVars.insert(varName);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (instr->getResult()) {
|
||||||
|
string varName = getNameByArg(instr->getResult());
|
||||||
|
if (!varName.empty()) {
|
||||||
|
opInfo.definedVars.insert(varName);
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
if (control_tags.find(current->variant()) != control_tags.end()) {
|
||||||
|
opInfo.isMovable = false;
|
||||||
|
}
|
||||||
|
|
||||||
|
operators.push_back(opInfo);
|
||||||
}
|
}
|
||||||
|
current = current->lexNext();
|
||||||
}
|
}
|
||||||
return executionOrder;
|
|
||||||
|
return operators;
|
||||||
}
|
}
|
||||||
|
|
||||||
static bool buildNewAST(SgStatement* loop, vector<SgStatement*>& newBody)
|
static map<string, vector<SgStatement*>> findVariableDefinitions(SgForStmt* loop, vector<OperatorInfo>& operators) {
|
||||||
{
|
map<string, vector<SgStatement*>> varDefinitions;
|
||||||
if (!loop) {return false;}
|
|
||||||
if (newBody.empty()) {return true;}
|
for (auto& op : operators) {
|
||||||
if (loop->variant() != FOR_NODE) {return false;}
|
for (const string& var : op.definedVars) {
|
||||||
|
varDefinitions[var].push_back(op.stmt);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return varDefinitions;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int calculateDistance(SgStatement* from, SgStatement* to) {
|
||||||
|
if (!from || !to) return INT_MAX;
|
||||||
|
return abs(to->lineNumber() - from->lineNumber());
|
||||||
|
}
|
||||||
|
|
||||||
|
static SgStatement* findBestPosition(SgStatement* operatorStmt, vector<OperatorInfo>& operators, map<string, vector<SgStatement*>>& varDefinitions) {
|
||||||
|
OperatorInfo* opInfo = nullptr;
|
||||||
|
for (auto& op : operators) {
|
||||||
|
if (op.stmt == operatorStmt) {
|
||||||
|
opInfo = &op;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!opInfo || !opInfo->isMovable) return nullptr;
|
||||||
|
|
||||||
|
SgStatement* bestPos = nullptr;
|
||||||
|
int minDistance = INT_MAX;
|
||||||
|
|
||||||
|
for (const string& usedVar : opInfo->usedVars) {
|
||||||
|
if (varDefinitions.find(usedVar) != varDefinitions.end()) {
|
||||||
|
for (SgStatement* defStmt : varDefinitions[usedVar]) {
|
||||||
|
int distance = calculateDistance(operatorStmt, defStmt);
|
||||||
|
if (distance < minDistance) {
|
||||||
|
minDistance = distance;
|
||||||
|
bestPos = defStmt;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return bestPos;
|
||||||
|
}
|
||||||
|
|
||||||
|
static bool canMoveTo(SgStatement* from, SgStatement* to, SgForStmt* loop) {
|
||||||
|
if (!from || !to || from == to) return false;
|
||||||
|
|
||||||
SgStatement* loopStart = loop->lexNext();
|
SgStatement* loopStart = loop->lexNext();
|
||||||
SgStatement* loopEnd = loop->lastNodeOfStmt();
|
SgStatement* loopEnd = loop->lastNodeOfStmt();
|
||||||
if (!loopStart || !loopEnd) {return false;}
|
|
||||||
|
|
||||||
for (SgStatement* stmt : newBody) {
|
if (to->lineNumber() < loopStart->lineNumber() || to->lineNumber() > loopEnd->lineNumber()) {
|
||||||
if (stmt && stmt != loop && stmt != loopEnd) {
|
return false;
|
||||||
SgStatement* current = loopStart;
|
}
|
||||||
bool found = false;
|
|
||||||
while (current && current != loopEnd->lexNext()) {
|
SgStatement* current = from;
|
||||||
if (current == stmt) {
|
while (current && current != loopEnd) {
|
||||||
found = true;
|
if (control_tags.find(current->variant()) != control_tags.end()) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
if (current == to) break;
|
||||||
|
current = current->lexNext();
|
||||||
|
}
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
static vector<SgStatement*> optimizeOperatorOrder(SgForStmt* loop, vector<OperatorInfo>& operators, map<string, vector<SgStatement*>>& varDefinitions) {
|
||||||
|
vector<SgStatement*> newOrder;
|
||||||
|
vector<bool> moved(operators.size(), false);
|
||||||
|
|
||||||
|
for (size_t i = 0; i < operators.size(); i++) {
|
||||||
|
if (moved[i] || !operators[i].isMovable) {
|
||||||
|
newOrder.push_back(operators[i].stmt);
|
||||||
|
moved[i] = true;
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
SgStatement* bestPos = findBestPosition(operators[i].stmt, operators, varDefinitions);
|
||||||
|
|
||||||
|
if (bestPos && canMoveTo(operators[i].stmt, bestPos, loop)) {
|
||||||
|
bool inserted = false;
|
||||||
|
for (size_t j = 0; j < newOrder.size(); j++) {
|
||||||
|
if (newOrder[j] == bestPos) {
|
||||||
|
newOrder.insert(newOrder.begin() + j + 1, operators[i].stmt);
|
||||||
|
inserted = true;
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
current = current->lexNext();
|
|
||||||
}
|
}
|
||||||
if (!found) {return false;}
|
if (!inserted) {
|
||||||
|
newOrder.push_back(operators[i].stmt);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
newOrder.push_back(operators[i].stmt);
|
||||||
}
|
}
|
||||||
|
moved[i] = true;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
return newOrder;
|
||||||
|
}
|
||||||
|
|
||||||
|
static bool applyOperatorReordering(SgForStmt* loop, vector<SgStatement*>& newOrder) {
|
||||||
|
if (!loop || newOrder.empty()) return false;
|
||||||
|
|
||||||
|
SgStatement* loopStart = loop->lexNext();
|
||||||
|
SgStatement* loopEnd = loop->lastNodeOfStmt();
|
||||||
|
|
||||||
vector<SgStatement*> extractedStatements;
|
vector<SgStatement*> extractedStatements;
|
||||||
vector<char*> savedComments;
|
vector<char*> savedComments;
|
||||||
vector<int> savedLineNumbers;
|
|
||||||
|
|
||||||
for (SgStatement* stmt : newBody) {
|
for (SgStatement* stmt : newOrder) {
|
||||||
if (stmt && stmt != loop && stmt != loopEnd) {
|
if (stmt && stmt != loop && stmt != loopEnd) {
|
||||||
savedComments.push_back(stmt->comments() ? strdup(stmt->comments()) : nullptr);
|
savedComments.push_back(stmt->comments() ? strdup(stmt->comments()) : nullptr);
|
||||||
savedLineNumbers.push_back(stmt->lineNumber());
|
|
||||||
SgStatement* extracted = stmt->extractStmt();
|
SgStatement* extracted = stmt->extractStmt();
|
||||||
if (extracted) {extractedStatements.push_back(extracted);}
|
if (extracted) {
|
||||||
|
extractedStatements.push_back(extracted);
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
@@ -356,67 +244,56 @@ static bool buildNewAST(SgStatement* loop, vector<SgStatement*>& newBody)
|
|||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
static bool validateNewOrder(SgStatement* loop, const vector<SgStatement*>& newOrder)
|
vector<SAPFOR::BasicBlock*> findFuncBlocksByFuncStatement(SgStatement *st, map<FuncInfo*, vector<SAPFOR::BasicBlock*>>& FullIR) {
|
||||||
{
|
vector<SAPFOR::BasicBlock*> result;
|
||||||
if (!loop || newOrder.empty()) {
|
Statement* forSt = (Statement*)st;
|
||||||
return true;
|
for (auto& func: FullIR) {
|
||||||
|
if (func.first -> funcPointer -> getCurrProcessFile() == forSt -> getCurrProcessFile()
|
||||||
|
&& func.first -> funcPointer -> lineNumber() == forSt -> lineNumber())
|
||||||
|
result = func.second;
|
||||||
}
|
}
|
||||||
unordered_set<SgStatement*> seen;
|
return result;
|
||||||
for (SgStatement* stmt : newOrder) {
|
|
||||||
if (stmt && stmt != loop && stmt != loop->lastNodeOfStmt()) {
|
|
||||||
if (seen.count(stmt)) {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
seen.insert(stmt);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return true;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
void runSwapOperators(SgFile *file, std::map<std::string, std::vector<LoopGraph*>>& loopGraph, std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& FullIR, int& countOfTransform)
|
map<SgForStmt*, vector<SAPFOR::BasicBlock*>> findAndAnalyzeLoops(SgStatement *st, vector<SAPFOR::BasicBlock*> blocks) {
|
||||||
{
|
map<SgForStmt*, vector<SAPFOR::BasicBlock*>> result;
|
||||||
std::cout << "SWAP_OPERATORS Pass" << std::endl; // to remove
|
SgStatement *lastNode = st->lastNodeOfStmt();
|
||||||
countOfTransform += 1; // to remove
|
while (st && st != lastNode) {
|
||||||
|
if (loop_tags.find(st -> variant()) != loop_tags.end()) {
|
||||||
|
SgForStmt *forSt = (SgForStmt*)st;
|
||||||
|
SgStatement *loopBody = forSt -> body();
|
||||||
|
SgStatement *lastLoopNode = st->lastNodeOfStmt();
|
||||||
|
unordered_set<int> blocks_nums;
|
||||||
|
while (loopBody && loopBody != lastLoopNode) {
|
||||||
|
SAPFOR::IR_Block* IR = findInstructionsFromOperator(loopBody, blocks).front();
|
||||||
|
if (blocks_nums.find(IR -> getBasicBlock() -> getNumber()) == blocks_nums.end()) {
|
||||||
|
result[forSt].push_back(IR -> getBasicBlock());
|
||||||
|
blocks_nums.insert(IR -> getBasicBlock() -> getNumber());
|
||||||
|
}
|
||||||
|
loopBody = loopBody -> lexNext();
|
||||||
|
}
|
||||||
|
std::sort(result[forSt].begin(), result[forSt].end());
|
||||||
|
}
|
||||||
|
st = st -> lexNext();
|
||||||
|
}
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
void runSwapOperators(SgFile *file, std::map<std::string, std::vector<LoopGraph*>>& loopGraph, std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& FullIR, int& countOfTransform) {
|
||||||
|
countOfTransform += 1;
|
||||||
|
|
||||||
const int funcNum = file -> numberOfFunctions();
|
const int funcNum = file -> numberOfFunctions();
|
||||||
for (int i = 0; i < funcNum; ++i)
|
for (int i = 0; i < funcNum; ++i) {
|
||||||
{
|
|
||||||
SgStatement *st = file -> functions(i);
|
SgStatement *st = file -> functions(i);
|
||||||
vector<SAPFOR::BasicBlock*> blocks = findFuncBlocksByFuncStatement(st, FullIR);
|
vector<SAPFOR::BasicBlock*> blocks = findFuncBlocksByFuncStatement(st, FullIR);
|
||||||
map<SgForStmt*, vector<SAPFOR::BasicBlock*>> loopsMapping = findAndAnalyzeLoops(st, blocks);
|
map<SgForStmt*, vector<SAPFOR::BasicBlock*>> loopsMapping = findAndAnalyzeLoops(st, blocks);
|
||||||
for (pair<SgForStmt*, vector<SAPFOR::BasicBlock*>> loopForAnalyze: loopsMapping)
|
|
||||||
{
|
|
||||||
map<SgStatement*, set<SgStatement*>> dependencyGraph = AnalyzeLoopAndFindDeps(loopForAnalyze.first, loopForAnalyze.second, FullIR);
|
|
||||||
// TODO: Write a function that will go through the operators and update all dependencies so that there are no mix-ups and splits inside the semantic blocks (for if, do and may be some other cases)
|
|
||||||
buildAdditionalDeps(loopForAnalyze.first, dependencyGraph);
|
|
||||||
cout << endl;
|
|
||||||
int firstLine = loopForAnalyze.first -> lineNumber();
|
|
||||||
int lastLine = loopForAnalyze.first -> lastNodeOfStmt() -> lineNumber();
|
|
||||||
cout << "LOOP ANALYZE FROM " << firstLine << " TO " << lastLine << " RES" << endl;
|
|
||||||
// for (auto &v: dependencyGraph) {
|
|
||||||
// cout << "OPERATOR: " << v.first -> lineNumber() << " " << v.first -> variant() << "\nDEPENDS ON:" << endl;
|
|
||||||
// if (v.second.size() != 0)
|
|
||||||
// for (auto vv: v.second)
|
|
||||||
// cout << vv -> lineNumber() << " ";
|
|
||||||
// cout << endl;
|
|
||||||
// }
|
|
||||||
vector<SgStatement*> new_order = scheduleOperations(dependencyGraph);
|
|
||||||
cout << "RESULT ORDER:" << endl;
|
|
||||||
for (auto v: new_order)
|
|
||||||
if (v -> lineNumber() > firstLine)
|
|
||||||
cout << v -> lineNumber() << endl;
|
|
||||||
|
|
||||||
if (validateNewOrder(loopForAnalyze.first, new_order)) {
|
for (pair<SgForStmt*, vector<SAPFOR::BasicBlock*>> loopForAnalyze: loopsMapping) {
|
||||||
buildNewAST(loopForAnalyze.first, new_order);
|
vector<OperatorInfo> operators = analyzeOperatorsInLoop(loopForAnalyze.first, loopForAnalyze.second, FullIR);
|
||||||
}
|
map<string, vector<SgStatement*>> varDefinitions = findVariableDefinitions(loopForAnalyze.first, operators);
|
||||||
st = loopForAnalyze.first -> lexNext();
|
|
||||||
while (st != loopForAnalyze.first -> lastNodeOfStmt())
|
vector<SgStatement*> newOrder = optimizeOperatorOrder(loopForAnalyze.first, operators, varDefinitions);
|
||||||
{
|
applyOperatorReordering(loopForAnalyze.first, newOrder);
|
||||||
cout << st -> lineNumber() << " " << st -> sunparse() << endl;
|
|
||||||
st = st -> lexNext();
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
}
|
||||||
return;
|
|
||||||
};
|
|
||||||
Reference in New Issue
Block a user