MEGAPATCH checkin.
For details, See: docs/2002-06-25-MegaPatchInfo.txt
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2779 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAlloc/LiveRangeInfo.cpp b/lib/CodeGen/RegAlloc/LiveRangeInfo.cpp
index 6661eca..4bbd36f 100644
--- a/lib/CodeGen/RegAlloc/LiveRangeInfo.cpp
+++ b/lib/CodeGen/RegAlloc/LiveRangeInfo.cpp
@@ -84,29 +84,20 @@
// first find the live ranges for all incoming args of the function since
// those LRs start from the start of the function
-
- // get the argument list
- const Function::ArgumentListType& ArgList = Meth->getArgumentList();
-
- Function::ArgumentListType::const_iterator ArgIt = ArgList.begin();
- for( ; ArgIt != ArgList.end() ; ++ArgIt) { // for each argument
- LiveRange * ArgRange = new LiveRange(); // creates a new LR and
- const Value *Val = (const Value *) *ArgIt;
-
- ArgRange->insert(Val); // add the arg (def) to it
- LiveRangeMap[Val] = ArgRange;
+ for (Function::const_aiterator AI = Meth->abegin(); AI != Meth->aend(); ++AI){
+ LiveRange *ArgRange = new LiveRange(); // creates a new LR and
+ ArgRange->insert(AI); // add the arg (def) to it
+ LiveRangeMap[AI] = ArgRange;
// create a temp machine op to find the register class of value
//const MachineOperand Op(MachineOperand::MO_VirtualRegister);
- unsigned rcid = MRI.getRegClassIDOfValue( Val );
- ArgRange->setRegClass(RegClassList[ rcid ] );
+ unsigned rcid = MRI.getRegClassIDOfValue(AI);
+ ArgRange->setRegClass(RegClassList[rcid]);
- if( DEBUG_RA > 1) {
- cerr << " adding LiveRange for argument "
- << RAV((const Value *)*ArgIt) << "\n";
- }
+ if( DEBUG_RA > 1)
+ cerr << " adding LiveRange for argument " << RAV(AI) << "\n";
}
// Now suggest hardware registers for these function args
@@ -123,7 +114,7 @@
// the same Value in machine instructions.
// get the iterator for machine instructions
- const MachineCodeForBasicBlock& MIVec = (*BBI)->getMachineInstrVec();
+ const MachineCodeForBasicBlock& MIVec = BBI->getMachineInstrVec();
// iterate over all the machine instructions in BB
for(MachineCodeForBasicBlock::const_iterator MInstIterator = MIVec.begin();
@@ -275,7 +266,7 @@
BBI != BBE; ++BBI) {
// get the iterator for machine instructions
- const MachineCodeForBasicBlock& MIVec = (*BBI)->getMachineInstrVec();
+ const MachineCodeForBasicBlock& MIVec = BBI->getMachineInstrVec();
MachineCodeForBasicBlock::const_iterator MInstIterator = MIVec.begin();
// iterate over all the machine instructions in BB