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Added support for caller saving

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@847 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Ruchira Sasanka
2001-10-16 01:23:19 +00:00
parent abe959c063
commit c4d4b76efb
15 changed files with 562 additions and 238 deletions
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lib/CodeGen/RegAlloc/LiveRangeInfo.cpp
+22 -22
View File
@@ -46,7 +46,7 @@ void LiveRangeInfo::constructLiveRanges()
{
if( DEBUG_RA)
cerr << "Consturcting Live Ranges ..." << endl;
cout << "Consturcting Live Ranges ..." << endl;
// first find the live ranges for all incoming args of the method since
// those LRs start from the start of the method
@@ -75,8 +75,8 @@ void LiveRangeInfo::constructLiveRanges()
if( DEBUG_RA > 1) {
cerr << " adding LiveRange for argument ";
printValue( (const Value *) *ArgIt); cerr << endl;
cout << " adding LiveRange for argument ";
printValue( (const Value *) *ArgIt); cout << endl;
}
}
@@ -124,9 +124,9 @@ void LiveRangeInfo::constructLiveRanges()
OpI.getMachineOperand().getOperandType();
if ( OpTyp == MachineOperand::MO_CCRegister) {
cerr << "\n**CC reg found. Is Def=" << OpI.isDef() << " Val:";
cout << "\n**CC reg found. Is Def=" << OpI.isDef() << " Val:";
printValue( OpI.getMachineOperand().getVRegValue() );
cerr << endl;
cout << endl;
}
}
@@ -139,8 +139,8 @@ void LiveRangeInfo::constructLiveRanges()
// Only instruction values are accepted for live ranges here
if( Def->getValueType() != Value::InstructionVal ) {
cerr << "\n**%%Error: Def is not an instruction val. Def=";
printValue( Def ); cerr << endl;
cout << "\n**%%Error: Def is not an instruction val. Def=";
printValue( Def ); cout << endl;
continue;
}
@@ -156,8 +156,8 @@ void LiveRangeInfo::constructLiveRanges()
LiveRangeMap[ Def ] = DefRange; // update the map
if( DEBUG_RA > 1) {
cerr << " creating a LR for def: ";
printValue(Def); cerr << endl;
cout << " creating a LR for def: ";
printValue(Def); cout << endl;
}
// set the register class of the new live range
@@ -171,7 +171,7 @@ void LiveRangeInfo::constructLiveRanges()
if(isCC && DEBUG_RA) {
cerr << "\a**created a LR for a CC reg:";
cout << "\a**created a LR for a CC reg:";
printValue( OpI.getMachineOperand().getVRegValue() );
}
@@ -185,8 +185,8 @@ void LiveRangeInfo::constructLiveRanges()
LiveRangeMap[ Def ] = DefRange;
if( DEBUG_RA > 1) {
cerr << " added to an existing LR for def: ";
printValue( Def ); cerr << endl;
cout << " added to an existing LR for def: ";
printValue( Def ); cout << endl;
}
}
@@ -206,7 +206,7 @@ void LiveRangeInfo::constructLiveRanges()
suggestRegs4CallRets();
if( DEBUG_RA)
cerr << "Initial Live Ranges constructed!" << endl;
cout << "Initial Live Ranges constructed!" << endl;
}
@@ -257,7 +257,7 @@ void LiveRangeInfo::coalesceLRs()
*/
if( DEBUG_RA)
cerr << endl << "Coalscing LRs ..." << endl;
cout << endl << "Coalscing LRs ..." << endl;
Method::const_iterator BBI = Meth->begin(); // random iterator for BBs
@@ -274,9 +274,9 @@ void LiveRangeInfo::coalesceLRs()
const MachineInstr * MInst = *MInstIterator;
if( DEBUG_RA > 1) {
cerr << " *Iterating over machine instr ";
cout << " *Iterating over machine instr ";
MInst->dump();
cerr << endl;
cout << endl;
}
@@ -298,8 +298,8 @@ void LiveRangeInfo::coalesceLRs()
//don't warn about labels
if (!((*UseI)->getType())->isLabelType() && DEBUG_RA) {
cerr<<" !! Warning: No LR for use "; printValue(*UseI);
cerr << endl;
cout<<" !! Warning: No LR for use "; printValue(*UseI);
cout << endl;
}
continue; // ignore and continue
}
@@ -345,7 +345,7 @@ void LiveRangeInfo::coalesceLRs()
} // for all BBs
if( DEBUG_RA)
cerr << endl << "Coalscing Done!" << endl;
cout << endl << "Coalscing Done!" << endl;
}
@@ -359,11 +359,11 @@ void LiveRangeInfo::coalesceLRs()
void LiveRangeInfo::printLiveRanges()
{
LiveRangeMapType::iterator HMI = LiveRangeMap.begin(); // hash map iterator
cerr << endl << "Printing Live Ranges from Hash Map:" << endl;
cout << endl << "Printing Live Ranges from Hash Map:" << endl;
for( ; HMI != LiveRangeMap.end() ; HMI ++ ) {
if( (*HMI).first && (*HMI).second ) {
cerr <<" "; printValue((*HMI).first); cerr << "\t: ";
((*HMI).second)->printSet(); cerr << endl;
cout <<" "; printValue((*HMI).first); cout << "\t: ";
((*HMI).second)->printSet(); cout << endl;
}
}
}