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Add the long awaited memory operand folding support for linear scan

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12058 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alkis Evlogimenos
2004-03-01 20:05:10 +00:00
parent 9d0802e7dd
commit 5f37502bfb
6 changed files with 89 additions and 30 deletions
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6
lib/CodeGen/RegAllocLinearScan.cpp
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@ -385,7 +385,7 @@ void RA::assignRegOrStackSlotAtInterval(IntervalPtrs::value_type cur)
if (cur->weight <= minWeight) {
DEBUG(std::cerr << "\t\t\tspilling(c): " << *cur << '\n';);
int slot = vrm_->assignVirt2StackSlot(cur->reg);
li_->updateSpilledInterval(*cur, slot);
li_->updateSpilledInterval(*cur, *vrm_, slot);
// if we didn't eliminate the interval find where to add it
// back to unhandled. We need to scan since unhandled are
@ -424,7 +424,7 @@ void RA::assignRegOrStackSlotAtInterval(IntervalPtrs::value_type cur)
DEBUG(std::cerr << "\t\t\tspilling(a): " << **i << '\n');
earliestStart = std::min(earliestStart, (*i)->start());
int slot = vrm_->assignVirt2StackSlot((*i)->reg);
li_->updateSpilledInterval(**i, slot);
li_->updateSpilledInterval(**i, *vrm_, slot);
}
}
for (IntervalPtrs::iterator i = inactive_.begin();
@ -436,7 +436,7 @@ void RA::assignRegOrStackSlotAtInterval(IntervalPtrs::value_type cur)
DEBUG(std::cerr << "\t\t\tspilling(i): " << **i << '\n');
earliestStart = std::min(earliestStart, (*i)->start());
int slot = vrm_->assignVirt2StackSlot((*i)->reg);
li_->updateSpilledInterval(**i, slot);
li_->updateSpilledInterval(**i, *vrm_, slot);
}
}