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path: root/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
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Diffstat (limited to 'lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp')
-rw-r--r--lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp42
1 files changed, 18 insertions, 24 deletions
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
index 3549ccd9e345..e923e30e5037 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
@@ -422,11 +422,9 @@ static bool IsChainDependent(SDNode *Outer, SDNode *Inner,
}
// Check for a lowered CALLSEQ_BEGIN or CALLSEQ_END.
if (N->isMachineOpcode()) {
- if (N->getMachineOpcode() ==
- (unsigned)TII->getCallFrameDestroyOpcode()) {
+ if (N->getMachineOpcode() == TII->getCallFrameDestroyOpcode()) {
++NestLevel;
- } else if (N->getMachineOpcode() ==
- (unsigned)TII->getCallFrameSetupOpcode()) {
+ } else if (N->getMachineOpcode() == TII->getCallFrameSetupOpcode()) {
if (NestLevel == 0)
return false;
--NestLevel;
@@ -480,12 +478,10 @@ FindCallSeqStart(SDNode *N, unsigned &NestLevel, unsigned &MaxNest,
}
// Check for a lowered CALLSEQ_BEGIN or CALLSEQ_END.
if (N->isMachineOpcode()) {
- if (N->getMachineOpcode() ==
- (unsigned)TII->getCallFrameDestroyOpcode()) {
+ if (N->getMachineOpcode() == TII->getCallFrameDestroyOpcode()) {
++NestLevel;
MaxNest = std::max(MaxNest, NestLevel);
- } else if (N->getMachineOpcode() ==
- (unsigned)TII->getCallFrameSetupOpcode()) {
+ } else if (N->getMachineOpcode() == TII->getCallFrameSetupOpcode()) {
assert(NestLevel != 0);
--NestLevel;
if (NestLevel == 0)
@@ -550,7 +546,7 @@ void ScheduleDAGRRList::ReleasePredecessors(SUnit *SU) {
if (!LiveRegDefs[CallResource])
for (SDNode *Node = SU->getNode(); Node; Node = Node->getGluedNode())
if (Node->isMachineOpcode() &&
- Node->getMachineOpcode() == (unsigned)TII->getCallFrameDestroyOpcode()) {
+ Node->getMachineOpcode() == TII->getCallFrameDestroyOpcode()) {
unsigned NestLevel = 0;
unsigned MaxNest = 0;
SDNode *N = FindCallSeqStart(Node, NestLevel, MaxNest, TII);
@@ -755,7 +751,7 @@ void ScheduleDAGRRList::ScheduleNodeBottomUp(SUnit *SU) {
for (const SDNode *SUNode = SU->getNode(); SUNode;
SUNode = SUNode->getGluedNode()) {
if (SUNode->isMachineOpcode() &&
- SUNode->getMachineOpcode() == (unsigned)TII->getCallFrameSetupOpcode()) {
+ SUNode->getMachineOpcode() == TII->getCallFrameSetupOpcode()) {
assert(NumLiveRegs > 0 && "NumLiveRegs is already zero!");
--NumLiveRegs;
LiveRegDefs[CallResource] = nullptr;
@@ -826,7 +822,7 @@ void ScheduleDAGRRList::UnscheduleNodeBottomUp(SUnit *SU) {
for (const SDNode *SUNode = SU->getNode(); SUNode;
SUNode = SUNode->getGluedNode()) {
if (SUNode->isMachineOpcode() &&
- SUNode->getMachineOpcode() == (unsigned)TII->getCallFrameSetupOpcode()) {
+ SUNode->getMachineOpcode() == TII->getCallFrameSetupOpcode()) {
++NumLiveRegs;
LiveRegDefs[CallResource] = SU;
LiveRegGens[CallResource] = CallSeqEndForStart[SU];
@@ -839,7 +835,7 @@ void ScheduleDAGRRList::UnscheduleNodeBottomUp(SUnit *SU) {
for (const SDNode *SUNode = SU->getNode(); SUNode;
SUNode = SUNode->getGluedNode()) {
if (SUNode->isMachineOpcode() &&
- SUNode->getMachineOpcode() == (unsigned)TII->getCallFrameDestroyOpcode()) {
+ SUNode->getMachineOpcode() == TII->getCallFrameDestroyOpcode()) {
assert(NumLiveRegs > 0 && "NumLiveRegs is already zero!");
--NumLiveRegs;
LiveRegDefs[CallResource] = nullptr;
@@ -1305,7 +1301,8 @@ DelayForLiveRegsBottomUp(SUnit *SU, SmallVectorImpl<unsigned> &LRegs) {
// If we're in the middle of scheduling a call, don't begin scheduling
// another call. Also, don't allow any physical registers to be live across
// the call.
- if (Node->getMachineOpcode() == (unsigned)TII->getCallFrameDestroyOpcode()) {
+ if ((Node->getMachineOpcode() == TII->getCallFrameDestroyOpcode()) ||
+ (Node->getMachineOpcode() == TII->getCallFrameSetupOpcode())) {
// Check the special calling-sequence resource.
unsigned CallResource = TRI->getNumRegs();
if (LiveRegDefs[CallResource]) {
@@ -1659,9 +1656,8 @@ public:
RegPressure.resize(NumRC);
std::fill(RegLimit.begin(), RegLimit.end(), 0);
std::fill(RegPressure.begin(), RegPressure.end(), 0);
- for (TargetRegisterInfo::regclass_iterator I = TRI->regclass_begin(),
- E = TRI->regclass_end(); I != E; ++I)
- RegLimit[(*I)->getID()] = tri->getRegPressureLimit(*I, MF);
+ for (const TargetRegisterClass *RC : TRI->regclasses())
+ RegLimit[RC->getID()] = tri->getRegPressureLimit(RC, MF);
}
}
@@ -1788,7 +1784,7 @@ public:
}
#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
- void dump(ScheduleDAG *DAG) const override {
+ LLVM_DUMP_METHOD void dump(ScheduleDAG *DAG) const override {
// Emulate pop() without clobbering NodeQueueIds.
std::vector<SUnit*> DumpQueue = Queue;
SF DumpPicker = Picker;
@@ -1924,19 +1920,17 @@ unsigned RegReductionPQBase::getNodePriority(const SUnit *SU) const {
// Register Pressure Tracking
//===----------------------------------------------------------------------===//
-void RegReductionPQBase::dumpRegPressure() const {
#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
- for (TargetRegisterInfo::regclass_iterator I = TRI->regclass_begin(),
- E = TRI->regclass_end(); I != E; ++I) {
- const TargetRegisterClass *RC = *I;
+LLVM_DUMP_METHOD void RegReductionPQBase::dumpRegPressure() const {
+ for (const TargetRegisterClass *RC : TRI->regclasses()) {
unsigned Id = RC->getID();
unsigned RP = RegPressure[Id];
if (!RP) continue;
DEBUG(dbgs() << TRI->getRegClassName(RC) << ": " << RP << " / "
<< RegLimit[Id] << '\n');
}
-#endif
}
+#endif
bool RegReductionPQBase::HighRegPressure(const SUnit *SU) const {
if (!TLI)
@@ -2092,7 +2086,7 @@ void RegReductionPQBase::scheduledNode(SUnit *SU) {
RegPressure[RCId] -= Cost;
}
}
- dumpRegPressure();
+ DEBUG(dumpRegPressure());
}
void RegReductionPQBase::unscheduledNode(SUnit *SU) {
@@ -2172,7 +2166,7 @@ void RegReductionPQBase::unscheduledNode(SUnit *SU) {
}
}
- dumpRegPressure();
+ DEBUG(dumpRegPressure());
}
//===----------------------------------------------------------------------===//