bool isTwoAddress : 1; // Is a two-address instruction.
bool isCommutable : 1; // Is a commutable instruction.
bool hasPhysRegDefs : 1; // Has physreg defs that are being used.
+ bool hasPhysRegClobbers : 1; // Has any physreg defs, used or not.
bool isPending : 1; // True once pending.
bool isAvailable : 1; // True once available.
bool isScheduled : 1; // True once scheduled.
: Node(node), Instr(0), OrigNode(0), NodeNum(nodenum), NodeQueueId(0),
Latency(0), NumPreds(0), NumSuccs(0), NumPredsLeft(0), NumSuccsLeft(0),
isTwoAddress(false), isCommutable(false), hasPhysRegDefs(false),
+ hasPhysRegClobbers(false),
isPending(false), isAvailable(false), isScheduled(false),
isScheduleHigh(false), isCloned(false),
isDepthCurrent(false), isHeightCurrent(false), Depth(0), Height(0),
: Node(0), Instr(instr), OrigNode(0), NodeNum(nodenum), NodeQueueId(0),
Latency(0), NumPreds(0), NumSuccs(0), NumPredsLeft(0), NumSuccsLeft(0),
isTwoAddress(false), isCommutable(false), hasPhysRegDefs(false),
+ hasPhysRegClobbers(false),
isPending(false), isAvailable(false), isScheduled(false),
isScheduleHigh(false), isCloned(false),
isDepthCurrent(false), isHeightCurrent(false), Depth(0), Height(0),
: Node(0), Instr(0), OrigNode(0), NodeNum(~0u), NodeQueueId(0),
Latency(0), NumPreds(0), NumSuccs(0), NumPredsLeft(0), NumSuccsLeft(0),
isTwoAddress(false), isCommutable(false), hasPhysRegDefs(false),
+ hasPhysRegClobbers(false),
isPending(false), isAvailable(false), isScheduled(false),
isScheduleHigh(false), isCloned(false),
isDepthCurrent(false), isHeightCurrent(false), Depth(0), Height(0),
SU->isTwoAddress = Old->isTwoAddress;
SU->isCommutable = Old->isCommutable;
SU->hasPhysRegDefs = Old->hasPhysRegDefs;
+ SU->hasPhysRegClobbers = Old->hasPhysRegClobbers;
Old->isCloned = true;
return SU;
}
// Find all predecessors and successors of the group.
for (SDNode *N = SU->getNode(); N; N = N->getFlaggedNode()) {
if (N->isMachineOpcode() &&
- TII->get(N->getMachineOpcode()).getImplicitDefs() &&
- CountResults(N) > TII->get(N->getMachineOpcode()).getNumDefs())
- SU->hasPhysRegDefs = true;
+ TII->get(N->getMachineOpcode()).getImplicitDefs()) {
+ SU->hasPhysRegClobbers = true;
+ if (CountResults(N) > TII->get(N->getMachineOpcode()).getNumDefs())
+ SU->hasPhysRegDefs = true;
+ }
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
SDNode *OpN = N->getOperand(i).getNode();