diff options
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
| -rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index fe47a3661d..f8c83f18ea 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -261,6 +261,8 @@ void LiveIntervals::handleRegisterDef(MachineBasicBlock* mbb, if (reg < MRegisterInfo::FirstVirtualRegister) { if (allocatableRegisters_[reg]) { handlePhysicalRegisterDef(mbb, mi, reg); + for (const unsigned* as = mri_->getAliasSet(reg); *as; ++as) + handlePhysicalRegisterDef(mbb, mi, *as); } } else { @@ -300,10 +302,8 @@ void LiveIntervals::computeIntervals() instr->print(std::cerr, *tm_);); // handle implicit defs - for (const unsigned* id = tid.ImplicitDefs; *id; ++id) { - unsigned physReg = *id; - handlePhysicalRegisterDef(mbb, mi, physReg); - } + for (const unsigned* id = tid.ImplicitDefs; *id; ++id) + handleRegisterDef(mbb, mi, *id); // handle explicit defs for (int i = instr->getNumOperands() - 1; i >= 0; --i) { @@ -312,14 +312,9 @@ void LiveIntervals::computeIntervals() if (!mop.isRegister()) continue; - unsigned reg = mop.getAllocatedRegNum(); // handle defs - build intervals - if (mop.isDef()) { - if (reg < MRegisterInfo::FirstVirtualRegister) - handlePhysicalRegisterDef(mbb, mi, reg); - else - handleVirtualRegisterDef(mbb, mi, reg); - } + if (mop.isDef()) + handleRegisterDef(mbb, mi, mop.getAllocatedRegNum()); } } } |