diff options
Diffstat (limited to 'lib/CodeGen/LiveVariables.cpp')
| -rw-r--r-- | lib/CodeGen/LiveVariables.cpp | 19 |
1 files changed, 2 insertions, 17 deletions
diff --git a/lib/CodeGen/LiveVariables.cpp b/lib/CodeGen/LiveVariables.cpp index 29686558ad..3424f45bc1 100644 --- a/lib/CodeGen/LiveVariables.cpp +++ b/lib/CodeGen/LiveVariables.cpp @@ -228,7 +228,6 @@ bool LiveVariables::runOnMachineFunction(MachineFunction &MF) { for (MachineBasicBlock::iterator I = MBB->begin(), E = MBB->end(); I != E; ++I) { MachineInstr *MI = I; - const TargetInstrDescriptor &MID = TII.get(MI->getOpcode()); // Process all of the operands of the instruction... unsigned NumOperandsToProcess = MI->getNumOperands(); @@ -238,14 +237,7 @@ bool LiveVariables::runOnMachineFunction(MachineFunction &MF) { if (MI->getOpcode() == TargetInstrInfo::PHI) NumOperandsToProcess = 1; - // Loop over implicit uses, using them. - if (MID.ImplicitUses) { - for (const unsigned *ImplicitUses = MID.ImplicitUses; - *ImplicitUses; ++ImplicitUses) - HandlePhysRegUse(*ImplicitUses, MI); - } - - // Process all explicit uses... + // Process all uses... for (unsigned i = 0; i != NumOperandsToProcess; ++i) { MachineOperand &MO = MI->getOperand(i); if (MO.isRegister() && MO.isUse() && MO.getReg()) { @@ -258,14 +250,7 @@ bool LiveVariables::runOnMachineFunction(MachineFunction &MF) { } } - // Loop over implicit defs, defining them. - if (MID.ImplicitDefs) { - for (const unsigned *ImplicitDefs = MID.ImplicitDefs; - *ImplicitDefs; ++ImplicitDefs) - HandlePhysRegDef(*ImplicitDefs, MI); - } - - // Process all explicit defs... + // Process all defs... for (unsigned i = 0; i != NumOperandsToProcess; ++i) { MachineOperand &MO = MI->getOperand(i); if (MO.isRegister() && MO.isDef() && MO.getReg()) { |