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Apply final part of Chris' patch.

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llvm-svn: 11040
This commit is contained in:
Alkis Evlogimenos 2004-01-31 23:48:47 +00:00
parent 656870703f
commit 9559cebebf
1 changed files with 9 additions and 11 deletions
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20
lib/CodeGen/LiveIntervals.cpp
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@ -168,17 +168,15 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock* mbb,
interval = &*r2iit->second;
}
for (MbbIndex2MbbMap::iterator
it = mbbi2mbbMap_.begin(), itEnd = mbbi2mbbMap_.end();
it != itEnd; ++it) {
unsigned liveBlockIndex = it->first;
MachineBasicBlock* liveBlock = it->second;
if (liveBlockIndex < vi.AliveBlocks.size() &&
vi.AliveBlocks[liveBlockIndex] &&
!liveBlock->empty()) {
unsigned start = getInstructionIndex(liveBlock->front());
unsigned end = getInstructionIndex(liveBlock->back()) + 1;
interval->addRange(start, end);
// iterate over all of the blocks that the variable is completely
// live in, adding them to the live interval
for (unsigned i = 0, e = vi.AliveBlocks.size(); i != e; ++i) {
if (vi.AliveBlocks[i]) {
MachineBasicBlock* mbb = lv_->getIndexMachineBasicBlock(i);
if (!mbb->empty()) {
interval->addRange(getInstructionIndex(mbb->front()),
getInstructionIndex(mbb->back()) + 1);
}
}
}