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Match MachineFunction::UsedPhysRegs changes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36452 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2007-04-25 22:13:27 +00:00
parent 505e5510a2
commit 6c087e5585
8 changed files with 38 additions and 66 deletions
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7
lib/CodeGen/RegAllocLinearScan.cpp
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@@ -61,7 +61,6 @@ namespace {
const TargetMachine* tm_;
const MRegisterInfo* mri_;
LiveIntervals* li_;
bool *PhysRegsUsed;
/// handled_ - Intervals are added to the handled_ set in the order of their
/// start value. This is uses for backtracking.
@@ -194,10 +193,6 @@ bool RA::runOnMachineFunction(MachineFunction &fn) {
if (RelatedRegClasses.empty())
ComputeRelatedRegClasses();
PhysRegsUsed = new bool[mri_->getNumRegs()];
std::fill(PhysRegsUsed, PhysRegsUsed+mri_->getNumRegs(), false);
fn.setUsedPhysRegs(PhysRegsUsed);
if (!prt_.get()) prt_.reset(new PhysRegTracker(*mri_));
vrm_.reset(new VirtRegMap(*mf_));
if (!spiller_.get()) spiller_.reset(createSpiller());
@@ -231,7 +226,7 @@ void RA::initIntervalSets()
for (LiveIntervals::iterator i = li_->begin(), e = li_->end(); i != e; ++i) {
if (MRegisterInfo::isPhysicalRegister(i->second.reg)) {
PhysRegsUsed[i->second.reg] = true;
mf_->setPhysRegUsed(i->second.reg);
fixed_.push_back(std::make_pair(&i->second, i->second.begin()));
} else
unhandled_.push(&i->second);