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changed size computation 

llvm-svn: 2974
This commit is contained in:
Mehwish Nagda 2002-07-19 22:54:08 +00:00
parent 20695cba3c
commit 0644a84a5f
1 changed files with 57 additions and 35 deletions
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86
llvm/lib/CodeGen/InstrSelection/MappingInfo.cpp
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@ -24,18 +24,18 @@ namespace {
class getMappingInfoForFunction : public Pass {
std::ostream &Out;
private:
std::map<const Function*, int> Fkey; //key of function to num
std::map<const MachineInstr*, int> BBkey; //key basic block to num
std::map<const MachineInstr*, int> MIkey; //key machine instruction to num
vector<vector<int> > BBmap;
vector<vector<int> > MImap;
std::map<const Function*, unsigned> Fkey; //key of function to num
std::map<const MachineInstr*, unsigned> BBkey; //key basic block to num
std::map<const MachineInstr*, unsigned> MIkey; //key machine instruction to num
vector<vector<unsigned> > BBmap;
vector<vector<unsigned> > MImap;
void createFunctionKey(Module &M);
void createBasicBlockKey(Module &M);
void createMachineInstructionKey(Module &M);
void createBBToMImap(Module &M);
void createLLVMToMImap(Module &M);
void writeNumber(int X);
unsigned writeNumber(unsigned X);
public:
getMappingInfoForFunction(std::ostream &out) : Out(out){}
@ -57,6 +57,7 @@ Pass *MappingInfoForFunction(std::ostream &out){
//function definitions :
//create and output maps to the .s file
bool getMappingInfoForFunction::run(Module &M) {
// Module *M = &m;
//map for Function to Function number
@ -75,7 +76,20 @@ bool getMappingInfoForFunction::run(Module &M) {
//map of LLVM Instruction to Machine Instruction
createLLVMToMImap(M);
//unsigned r =0;
//for (Module::iterator FI = M.begin(), FE = M.end();
//FI != FE; ++FI){
//unsigned r = 0;
// if(FI->isExternal()) continue;
//for (Function::iterator BI = FI->begin(), BE = FI->end();
// BI != BE; ++BI){
//r++;
//}
//Out <<"#BB in F: "<<r<<"\n";
//}
//Out <<"#BB: "<< r <<"\n";
//Out <<"BBkey.size() "<<BBkey.size()<<"\n";
//Out <<"BBmap.size() "<<BBmap.size()<<"\n";
// Write map to the sparc assembly stream
// Start by writing out the basic block to first and last
// machine instruction map to the .s file
@ -85,14 +99,19 @@ bool getMappingInfoForFunction::run(Module &M) {
Out << "BBMIMap:\n";
//add stream object here that will contain info about the map
//add object to write this out to the .s file
for (vector<vector<int> >::iterator BBmapI =
//int x=0;
unsigned sizeBBmap=0;
unsigned sizeLImap=0;
for (vector<vector<unsigned> >::iterator BBmapI =
BBmap.begin(), BBmapE = BBmap.end(); BBmapI != BBmapE;
++BBmapI){
writeNumber((*BBmapI)[0]);
writeNumber((*BBmapI)[1]);
writeNumber((*BBmapI)[2]);
writeNumber((*BBmapI)[3]);
sizeBBmap += writeNumber((*BBmapI)[0]);
sizeBBmap += writeNumber((*BBmapI)[1]);
sizeBBmap += writeNumber((*BBmapI)[2]);
sizeBBmap += writeNumber((*BBmapI)[3]);
//x++;
}
//Out <<"sizeOutputed = "<<x<<"\n";
Out << "\t.type BBMIMap,#object\n";
Out << "\t.size BBMIMap,"<<BBmap.size() << "\n";
@ -101,7 +120,7 @@ bool getMappingInfoForFunction::run(Module &M) {
Out <<"\n\n!LLVM BB MAP Length\n\t.section \".bbdata";
Out << "\",#alloc,#write\n\t.global BBMIMap_length\n\t.align 4\n\t.type BBMIMap_length,";
Out <<"#object\n\t.size BBMIMap_length,4\nBBMIMap_length:\n\t.word "
<< ((BBmap.size())*4)<<"\n\n\n\n";
<< sizeBBmap <<"\n\n\n\n";
//Now write out the LLVM instruction to the corresponding
@ -112,13 +131,13 @@ bool getMappingInfoForFunction::run(Module &M) {
Out << "LMIMap:\n";
//add stream object here that will contain info about the map
//add object to write this out to the .s file
for (vector<vector<int> >::iterator MImapI =
for (vector<vector<unsigned> >::iterator MImapI =
MImap.begin(), MImapE = MImap.end(); MImapI != MImapE;
++MImapI){
writeNumber((*MImapI)[0]);
writeNumber((*MImapI)[1]);
writeNumber((*MImapI)[2]);
writeNumber((*MImapI)[3]);
sizeLImap += writeNumber((*MImapI)[0]);
sizeLImap += writeNumber((*MImapI)[1]);
sizeLImap += writeNumber((*MImapI)[2]);
sizeLImap += writeNumber((*MImapI)[3]);
}
Out << "\t.type LMIMap,#object\n";
Out << "\t.size LMIMap,"<<MImap.size() << "\n";
@ -132,19 +151,22 @@ bool getMappingInfoForFunction::run(Module &M) {
}
//write out information as .byte directives
void getMappingInfoForFunction::writeNumber(int X) {
unsigned getMappingInfoForFunction::writeNumber(unsigned X) {
unsigned i=0;
do {
int tmp = X & 127;
unsigned tmp = X & 127;
X >>= 7;
if (X) tmp |= 128;
Out << "\t.byte " << tmp << "\n";
++i;
} while(X);
return i;
}
//Assign a number to each Function
void getMappingInfoForFunction::createFunctionKey(Module &M){
int i = 0;
int j = 0;
unsigned i = 0;
unsigned j = 0;
for (Module::iterator FI = M.begin(), FE = M.end();
FI != FE; ++FI){
//dont count F with 0 BBs
@ -156,10 +178,10 @@ void getMappingInfoForFunction::createFunctionKey(Module &M){
//Assign a Number to each BB
void getMappingInfoForFunction::createBasicBlockKey(Module &M){
//int i = 0;
//unsigned i = 0;
for (Module::iterator FI = M.begin(), FE = M.end();
FI != FE; ++FI){
int i = 0;
unsigned i = 0;
if(FI->isExternal()) continue;
for (Function::iterator BI = FI->begin(), BE = FI->end();
BI != BE; ++BI){
@ -178,7 +200,7 @@ void getMappingInfoForFunction::createMachineInstructionKey(Module &M){
for (Function::iterator BI=FI->begin(), BE=FI->end();
BI != BE; ++BI){
MachineCodeForBasicBlock &miBB = MachineCodeForBasicBlock::get(BI);
int j = 0;
unsigned j = 0;
for (MachineCodeForBasicBlock::iterator miI = miBB.begin(),
miE = miBB.end(); miI != miE; ++miI, ++j){
MIkey[*miI] = j;
@ -194,13 +216,13 @@ void getMappingInfoForFunction::createBBToMImap(Module &M){
for (Module::iterator FI = M.begin(), FE = M.end();
FI != FE; ++FI){
if(FI->isExternal())continue;
int i = 0;
unsigned i = 0;
for (Function::iterator BI = FI->begin(),
BE = FI->end(); BI != BE; ++BI){
MachineCodeForBasicBlock &miBB = MachineCodeForBasicBlock::get(BI);
//add record into the map
BBmap.push_back(vector<int>());
vector<int> &oneBB = BBmap.back();
BBmap.push_back(vector<unsigned>());
vector<unsigned> &oneBB = BBmap.back();
oneBB.reserve(4);
//add F#
@ -224,10 +246,10 @@ void getMappingInfoForFunction::createLLVMToMImap(Module &M){
for (Module::iterator FI = M.begin(), FE = M.end();
FI != FE; ++FI){
if(FI->isExternal()) continue;
int i =0;
unsigned i =0;
for (Function::iterator BI = FI->begin(), BE = FI->end();
BI != BE; ++BI, ++i){
int j = 0;
unsigned j = 0;
for (BasicBlock::iterator II = BI->begin(),
IE = BI->end(); II != IE; ++II, ++j){
MachineCodeForInstruction& miI =
@ -236,8 +258,8 @@ void getMappingInfoForFunction::createLLVMToMImap(Module &M){
for (MachineCodeForInstruction::iterator miII = miI.begin(),
miIE = miI.end(); miII != miIE; ++miII){
MImap.push_back(vector<int>());
vector<int> &oneMI = MImap.back();
MImap.push_back(vector<unsigned>());
vector<unsigned> &oneMI = MImap.back();
oneMI.reserve(4);
//add F#