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Fix deprecated operator[] warnings

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llvm-svn: 11577
This commit is contained in:
Chris Lattner 2004-02-18 16:38:18 +00:00
parent 7ec1bad952
commit 8acab89631
1 changed files with 17 additions and 15 deletions
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32
lib/CodeGen/InstrSched/InstrScheduling.cpp
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@ -1175,25 +1175,29 @@ static void ReplaceNopsWithUsefulInstr(SchedulingManager& S,
//
unsigned int firstDelaySlotIdx = node->getOrigIndexInBB() + 1;
MachineBasicBlock& MBB = node->getMachineBasicBlock();
assert(&MBB[firstDelaySlotIdx - 1] == brInstr &&
MachineBasicBlock::iterator MBBI = MBB.begin();
std::advance(MBBI, firstDelaySlotIdx - 1);
assert(&*MBBI++ == brInstr &&
"Incorrect instr. index in basic block for brInstr");
// First find all useful instructions already in the delay slots
// and USE THEM. We'll throw away the unused alternatives below
//
for (unsigned i=firstDelaySlotIdx; i < firstDelaySlotIdx + ndelays; ++i)
if (! mii.isNop(MBB[i].getOpcode()))
MachineBasicBlock::iterator Tmp = MBBI;
for (unsigned i = 0; i != ndelays; ++i, ++MBBI)
if (!mii.isNop(MBBI->getOpcode()))
sdelayNodeVec.insert(sdelayNodeVec.begin(),
graph->getGraphNodeForInstr(&MBB[i]));
graph->getGraphNodeForInstr(MBBI));
MBBI = Tmp;
// Then find the NOPs and keep only as many as are needed.
// Put the rest in nopNodeVec to be deleted.
for (unsigned i=firstDelaySlotIdx; i < firstDelaySlotIdx + ndelays; ++i)
if (mii.isNop(MBB[i].getOpcode()))
for (unsigned i=firstDelaySlotIdx; i < firstDelaySlotIdx+ndelays; ++i, ++MBBI)
if (mii.isNop(MBBI->getOpcode()))
if (sdelayNodeVec.size() < ndelays)
sdelayNodeVec.push_back(graph->getGraphNodeForInstr(&MBB[i]));
sdelayNodeVec.push_back(graph->getGraphNodeForInstr(MBBI));
else {
nopNodeVec.push_back(graph->getGraphNodeForInstr(&MBB[i]));
nopNodeVec.push_back(graph->getGraphNodeForInstr(MBBI));
//remove the MI from the Machine Code For Instruction
const TerminatorInst *TI = MBB.getBasicBlock()->getTerminator();
@ -1202,7 +1206,7 @@ static void ReplaceNopsWithUsefulInstr(SchedulingManager& S,
for(MachineCodeForInstruction::iterator mciI=llvmMvec.begin(),
mciE=llvmMvec.end(); mciI!=mciE; ++mciI){
if (*mciI == &MBB[i])
if (*mciI == MBBI)
llvmMvec.erase(mciI);
}
}
@ -1281,11 +1285,9 @@ ChooseInstructionsForDelaySlots(SchedulingManager& S, MachineBasicBlock &MBB,
// brInstr will be NULL so this will handle the branch instrs. as well.
//
delayNodeVec.clear();
for (unsigned i=0; i < MBB.size(); ++i)
if (&MBB[i] != brInstr &&
mii.getNumDelaySlots(MBB[i].getOpcode()) > 0)
{
SchedGraphNode* node = graph->getGraphNodeForInstr(&MBB[i]);
for (MachineBasicBlock::iterator I = MBB.begin(), E = MBB.end(); I != E; ++I)
if (I != brInstr && mii.getNumDelaySlots(I->getOpcode()) > 0) {
SchedGraphNode* node = graph->getGraphNodeForInstr(I);
ReplaceNopsWithUsefulInstr(S, node, delayNodeVec, graph);
}
}