parent
2a6cc8300d
commit
82605b239c
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@ -14,28 +14,35 @@ void LiveVarSet::applyTranferFuncForMInst(const MachineInstr *const MInst)
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for( MachineInstr::val_op_const_iterator OpI(MInst); !OpI.done() ; OpI++) {
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if( OpI.isDef() ) { // kill only if this operand is a def
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if( OpI.isDef() ) // kill only if this operand is a def
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remove(*OpI); // this definition kills any uses
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}
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// do for implicit operands as well
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for( unsigned i=0; i < MInst->getNumImplicitRefs(); ++i) {
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if( MInst->implicitRefIsDefined(i) )
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remove( MInst->getImplicitRef(i) );
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}
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for( MachineInstr::val_op_const_iterator OpI(MInst); !OpI.done() ; OpI++) {
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if ( ((*OpI)->getType())->isLabelType()) continue; // don't process labels
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if( ! OpI.isDef() ) { // add only if this operand is a use
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if( ! OpI.isDef() ) // add only if this operand is a use
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add( *OpI ); // An operand is a use - so add to use set
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}
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// do for implicit operands as well
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for( unsigned i=0; i < MInst->getNumImplicitRefs(); ++i) {
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if( ! MInst->implicitRefIsDefined(i) )
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add( MInst->getImplicitRef(i) );
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}
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}
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#if 0
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void LiveVarSet::applyTranferFuncForInst(const Instruction *const Inst)
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{
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