diff options
Diffstat (limited to 'lib/CodeGen/RegAllocLinearScan.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocLinearScan.cpp | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp index f66400c535..8ad347bb7d 100644 --- a/lib/CodeGen/RegAllocLinearScan.cpp +++ b/lib/CodeGen/RegAllocLinearScan.cpp @@ -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); |