diff options
Diffstat (limited to 'llvm/lib/CodeGen/RegAlloc/LiveRangeInfo.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/RegAlloc/LiveRangeInfo.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/RegAlloc/LiveRangeInfo.cpp b/llvm/lib/CodeGen/RegAlloc/LiveRangeInfo.cpp index f3c22e9898b..15584f14a57 100644 --- a/llvm/lib/CodeGen/RegAlloc/LiveRangeInfo.cpp +++ b/llvm/lib/CodeGen/RegAlloc/LiveRangeInfo.cpp @@ -170,7 +170,7 @@ void LiveRangeInfo::constructLiveRanges() { // for each operand that is defined by the instruction for (MachineInstr::val_op_iterator OpI = MInst->begin(), OpE = MInst->end(); OpI != OpE; ++OpI) - if (OpI.isDef()) { + if (OpI.isDefOnly() || OpI.isDefAndUse()) { const Value *Def = *OpI; bool isCC = (OpI.getMachineOperand().getType() == MachineOperand::MO_CCRegister); @@ -180,7 +180,8 @@ void LiveRangeInfo::constructLiveRanges() { // iterate over implicit MI operands and create a new LR // for each operand that is defined by the instruction for (unsigned i = 0; i < MInst->getNumImplicitRefs(); ++i) - if (MInst->implicitRefIsDefined(i)) { + if (MInst->getImplicitOp(i).opIsDefOnly() || + MInst->getImplicitOp(i).opIsDefAndUse()) { const Value *Def = MInst->getImplicitRef(i); createOrAddToLiveRange(Def, /*isCC*/ false); } @@ -264,7 +265,7 @@ void LiveRangeInfo::coalesceLRs() // iterate over MI operands to find defs for(MachineInstr::const_val_op_iterator DefI = MI->begin(), DefE = MI->end(); DefI != DefE; ++DefI) { - if (DefI.isDef()) { // iff this operand is a def + if (DefI.isDefOnly() || DefI.isDefAndUse()) { // this operand is modified LiveRange *LROfDef = getLiveRangeForValue( *DefI ); RegClass *RCOfDef = LROfDef->getRegClass(); |
