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-rw-r--r--llvm/lib/CodeGen/MachineRegionInfo.cpp46
-rw-r--r--llvm/lib/CodeGen/RegAllocPBQP.cpp40
-rw-r--r--llvm/lib/CodeGen/ScheduleDAGInstrs.cpp80
3 files changed, 99 insertions, 67 deletions
diff --git a/llvm/lib/CodeGen/MachineRegionInfo.cpp b/llvm/lib/CodeGen/MachineRegionInfo.cpp
index 71ad4e6aa7f..2402ffdbbcb 100644
--- a/llvm/lib/CodeGen/MachineRegionInfo.cpp
+++ b/llvm/lib/CodeGen/MachineRegionInfo.cpp
@@ -1,7 +1,19 @@
-#include "llvm/CodeGen/MachineRegionInfo.h"
+//===- lib/Codegen/MachineRegionInfo.cpp ----------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/RegionInfoImpl.h"
#include "llvm/CodeGen/MachinePostDominators.h"
+#include "llvm/CodeGen/MachineRegionInfo.h"
+#include "llvm/Pass.h"
+#include "llvm/Support/Compiler.h"
+#include "llvm/Support/Debug.h"
#define DEBUG_TYPE "machine-region-info"
@@ -11,36 +23,29 @@ STATISTIC(numMachineRegions, "The # of machine regions");
STATISTIC(numMachineSimpleRegions, "The # of simple machine regions");
namespace llvm {
+
template class RegionBase<RegionTraits<MachineFunction>>;
template class RegionNodeBase<RegionTraits<MachineFunction>>;
template class RegionInfoBase<RegionTraits<MachineFunction>>;
-}
+
+} // end namespace llvm
//===----------------------------------------------------------------------===//
// MachineRegion implementation
-//
MachineRegion::MachineRegion(MachineBasicBlock *Entry, MachineBasicBlock *Exit,
MachineRegionInfo* RI,
MachineDominatorTree *DT, MachineRegion *Parent) :
- RegionBase<RegionTraits<MachineFunction>>(Entry, Exit, RI, DT, Parent) {
+ RegionBase<RegionTraits<MachineFunction>>(Entry, Exit, RI, DT, Parent) {}
-}
-
-MachineRegion::~MachineRegion() { }
+MachineRegion::~MachineRegion() = default;
//===----------------------------------------------------------------------===//
// MachineRegionInfo implementation
-//
-
-MachineRegionInfo::MachineRegionInfo() :
- RegionInfoBase<RegionTraits<MachineFunction>>() {
-
-}
-MachineRegionInfo::~MachineRegionInfo() {
+MachineRegionInfo::MachineRegionInfo() = default;
-}
+MachineRegionInfo::~MachineRegionInfo() = default;
void MachineRegionInfo::updateStatistics(MachineRegion *R) {
++numMachineRegions;
@@ -73,9 +78,7 @@ MachineRegionInfoPass::MachineRegionInfoPass() : MachineFunctionPass(ID) {
initializeMachineRegionInfoPassPass(*PassRegistry::getPassRegistry());
}
-MachineRegionInfoPass::~MachineRegionInfoPass() {
-
-}
+MachineRegionInfoPass::~MachineRegionInfoPass() = default;
bool MachineRegionInfoPass::runOnMachineFunction(MachineFunction &F) {
releaseMemory();
@@ -137,8 +140,9 @@ INITIALIZE_PASS_END(MachineRegionInfoPass, DEBUG_TYPE,
// the link time optimization.
namespace llvm {
- FunctionPass *createMachineRegionInfoPass() {
- return new MachineRegionInfoPass();
- }
+
+FunctionPass *createMachineRegionInfoPass() {
+ return new MachineRegionInfoPass();
}
+} // end namespace llvm
diff --git a/llvm/lib/CodeGen/RegAllocPBQP.cpp b/llvm/lib/CodeGen/RegAllocPBQP.cpp
index 3b5964eef55..b2dfef91add 100644
--- a/llvm/lib/CodeGen/RegAllocPBQP.cpp
+++ b/llvm/lib/CodeGen/RegAllocPBQP.cpp
@@ -49,9 +49,11 @@
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
+#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/PBQP/Graph.h"
+#include "llvm/CodeGen/PBQP/Math.h"
#include "llvm/CodeGen/PBQP/Solution.h"
#include "llvm/CodeGen/PBQPRAConstraint.h"
#include "llvm/CodeGen/RegAllocPBQP.h"
@@ -139,13 +141,13 @@ public:
}
private:
- typedef std::map<const LiveInterval*, unsigned> LI2NodeMap;
- typedef std::vector<const LiveInterval*> Node2LIMap;
- typedef std::vector<unsigned> AllowedSet;
- typedef std::vector<AllowedSet> AllowedSetMap;
- typedef std::pair<unsigned, unsigned> RegPair;
- typedef std::map<RegPair, PBQP::PBQPNum> CoalesceMap;
- typedef std::set<unsigned> RegSet;
+ using LI2NodeMap = std::map<const LiveInterval *, unsigned>;
+ using Node2LIMap = std::vector<const LiveInterval *>;
+ using AllowedSet = std::vector<unsigned>;
+ using AllowedSetMap = std::vector<AllowedSet>;
+ using RegPair = std::pair<unsigned, unsigned>;
+ using CoalesceMap = std::map<RegPair, PBQP::PBQPNum>;
+ using RegSet = std::set<unsigned>;
char *customPassID;
@@ -212,12 +214,12 @@ public:
/// @brief Add interference edges between overlapping vregs.
class Interference : public PBQPRAConstraint {
private:
- typedef const PBQP::RegAlloc::AllowedRegVector* AllowedRegVecPtr;
- typedef std::pair<AllowedRegVecPtr, AllowedRegVecPtr> IKey;
- typedef DenseMap<IKey, PBQPRAGraph::MatrixPtr> IMatrixCache;
- typedef DenseSet<IKey> DisjointAllowedRegsCache;
- typedef std::pair<PBQP::GraphBase::NodeId, PBQP::GraphBase::NodeId> IEdgeKey;
- typedef DenseSet<IEdgeKey> IEdgeCache;
+ using AllowedRegVecPtr = const PBQP::RegAlloc::AllowedRegVector *;
+ using IKey = std::pair<AllowedRegVecPtr, AllowedRegVecPtr>;
+ using IMatrixCache = DenseMap<IKey, PBQPRAGraph::MatrixPtr>;
+ using DisjointAllowedRegsCache = DenseSet<IKey>;
+ using IEdgeKey = std::pair<PBQP::GraphBase::NodeId, PBQP::GraphBase::NodeId>;
+ using IEdgeCache = DenseSet<IEdgeKey>;
bool haveDisjointAllowedRegs(const PBQPRAGraph &G, PBQPRAGraph::NodeId NId,
PBQPRAGraph::NodeId MId,
@@ -252,8 +254,8 @@ private:
// for the fast interference graph construction algorithm. The last is there
// to save us from looking up node ids via the VRegToNode map in the graph
// metadata.
- typedef std::tuple<LiveInterval*, size_t, PBQP::GraphBase::NodeId>
- IntervalInfo;
+ using IntervalInfo =
+ std::tuple<LiveInterval*, size_t, PBQP::GraphBase::NodeId>;
static SlotIndex getStartPoint(const IntervalInfo &I) {
return std::get<0>(I)->segments[std::get<1>(I)].start;
@@ -320,9 +322,10 @@ public:
// Cache known disjoint allowed registers pairs
DisjointAllowedRegsCache D;
- typedef std::set<IntervalInfo, decltype(&lowestEndPoint)> IntervalSet;
- typedef std::priority_queue<IntervalInfo, std::vector<IntervalInfo>,
- decltype(&lowestStartPoint)> IntervalQueue;
+ using IntervalSet = std::set<IntervalInfo, decltype(&lowestEndPoint)>;
+ using IntervalQueue =
+ std::priority_queue<IntervalInfo, std::vector<IntervalInfo>,
+ decltype(&lowestStartPoint)>;
IntervalSet Active(lowestEndPoint);
IntervalQueue Inactive(lowestStartPoint);
@@ -658,7 +661,6 @@ void RegAllocPBQP::spillVReg(unsigned VReg,
SmallVectorImpl<unsigned> &NewIntervals,
MachineFunction &MF, LiveIntervals &LIS,
VirtRegMap &VRM, Spiller &VRegSpiller) {
-
VRegsToAlloc.erase(VReg);
LiveRangeEdit LRE(&LIS.getInterval(VReg), NewIntervals, MF, LIS, &VRM,
nullptr, &DeadRemats);
diff --git a/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp b/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp
index 8035ea80364..3fdbd245936 100644
--- a/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp
+++ b/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp
@@ -12,32 +12,54 @@
//
//===----------------------------------------------------------------------===//
-#include "llvm/CodeGen/ScheduleDAGInstrs.h"
#include "llvm/ADT/IntEqClasses.h"
+#include "llvm/ADT/iterator_range.h"
+#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/ADT/SmallSet.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/SparseSet.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/CodeGen/LiveIntervalAnalysis.h"
-#include "llvm/CodeGen/MachineFunctionPass.h"
+#include "llvm/CodeGen/LivePhysRegs.h"
+#include "llvm/CodeGen/MachineBasicBlock.h"
+#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
-#include "llvm/CodeGen/MachineInstrBuilder.h"
+#include "llvm/CodeGen/MachineInstr.h"
+#include "llvm/CodeGen/MachineInstrBundle.h"
#include "llvm/CodeGen/MachineMemOperand.h"
+#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/CodeGen/RegisterPressure.h"
+#include "llvm/CodeGen/ScheduleDAG.h"
+#include "llvm/CodeGen/ScheduleDAGInstrs.h"
#include "llvm/CodeGen/ScheduleDFS.h"
+#include "llvm/CodeGen/SlotIndexes.h"
+#include "llvm/IR/Constants.h"
#include "llvm/IR/Function.h"
-#include "llvm/IR/Type.h"
+#include "llvm/IR/Instruction.h"
+#include "llvm/IR/Instructions.h"
#include "llvm/IR/Operator.h"
+#include "llvm/IR/Type.h"
+#include "llvm/IR/Value.h"
+#include "llvm/MC/LaneBitmask.h"
+#include "llvm/MC/MCRegisterInfo.h"
+#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/TargetInstrInfo.h"
-#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetSubtargetInfo.h"
+#include <algorithm>
+#include <cassert>
+#include <iterator>
+#include <string>
+#include <utility>
+#include <vector>
using namespace llvm;
@@ -90,11 +112,9 @@ ScheduleDAGInstrs::ScheduleDAGInstrs(MachineFunction &mf,
const MachineLoopInfo *mli,
bool RemoveKillFlags)
: ScheduleDAG(mf), MLI(mli), MFI(mf.getFrameInfo()),
- RemoveKillFlags(RemoveKillFlags), CanHandleTerminators(false),
- TrackLaneMasks(false), AAForDep(nullptr), BarrierChain(nullptr),
+ RemoveKillFlags(RemoveKillFlags),
UnknownValue(UndefValue::get(
- Type::getVoidTy(mf.getFunction()->getContext()))),
- FirstDbgValue(nullptr) {
+ Type::getVoidTy(mf.getFunction()->getContext()))) {
DbgValues.clear();
const TargetSubtargetInfo &ST = mf.getSubtarget();
@@ -126,7 +146,7 @@ static const Value *getUnderlyingObjectFromInt(const Value *V) {
return V;
}
assert(V->getType()->isIntegerTy() && "Unexpected operand type!");
- } while (1);
+ } while (true);
}
/// This is a wrapper around GetUnderlyingObjects and adds support for basic
@@ -563,7 +583,7 @@ void ScheduleDAGInstrs::initSUnits() {
// which is contained within a basic block.
SUnits.reserve(NumRegionInstrs);
- for (MachineInstr &MI : llvm::make_range(RegionBegin, RegionEnd)) {
+ for (MachineInstr &MI : make_range(RegionBegin, RegionEnd)) {
if (MI.isDebugValue())
continue;
@@ -606,13 +626,13 @@ void ScheduleDAGInstrs::initSUnits() {
class ScheduleDAGInstrs::Value2SUsMap : public MapVector<ValueType, SUList> {
/// Current total number of SUs in map.
- unsigned NumNodes;
+ unsigned NumNodes = 0;
/// 1 for loads, 0 for stores. (see comment in SUList)
unsigned TrueMemOrderLatency;
public:
- Value2SUsMap(unsigned lat = 0) : NumNodes(0), TrueMemOrderLatency(lat) {}
+ Value2SUsMap(unsigned lat = 0) : TrueMemOrderLatency(lat) {}
/// To keep NumNodes up to date, insert() is used instead of
/// this operator w/ push_back().
@@ -630,7 +650,7 @@ public:
void inline clearList(ValueType V) {
iterator Itr = find(V);
if (Itr != end()) {
- assert (NumNodes >= Itr->second.size());
+ assert(NumNodes >= Itr->second.size());
NumNodes -= Itr->second.size();
Itr->second.clear();
@@ -646,7 +666,7 @@ public:
unsigned inline size() const { return NumNodes; }
/// Counts the number of SUs in this map after a reduction.
- void reComputeSize(void) {
+ void reComputeSize() {
NumNodes = 0;
for (auto &I : *this)
NumNodes += I.second.size();
@@ -676,7 +696,7 @@ void ScheduleDAGInstrs::addChainDependencies(SUnit *SU,
}
void ScheduleDAGInstrs::addBarrierChain(Value2SUsMap &map) {
- assert (BarrierChain != nullptr);
+ assert(BarrierChain != nullptr);
for (auto &I : map) {
SUList &sus = I.second;
@@ -687,7 +707,7 @@ void ScheduleDAGInstrs::addBarrierChain(Value2SUsMap &map) {
}
void ScheduleDAGInstrs::insertBarrierChain(Value2SUsMap &map) {
- assert (BarrierChain != nullptr);
+ assert(BarrierChain != nullptr);
// Go through all lists of SUs.
for (Value2SUsMap::iterator I = map.begin(), EE = map.end(); I != EE;) {
@@ -1028,7 +1048,7 @@ void ScheduleDAGInstrs::reduceHugeMemNodeMaps(Value2SUsMap &stores,
// The N last elements in NodeNums will be removed, and the SU with
// the lowest NodeNum of them will become the new BarrierChain to
// let the not yet seen SUs have a dependency to the removed SUs.
- assert (N <= NodeNums.size());
+ assert(N <= NodeNums.size());
SUnit *newBarrierChain = &SUnits[*(NodeNums.end() - N)];
if (BarrierChain) {
// The aliasing and non-aliasing maps reduce independently of each
@@ -1156,6 +1176,7 @@ std::string ScheduleDAGInstrs::getDAGName() const {
//===----------------------------------------------------------------------===//
namespace llvm {
+
/// Internal state used to compute SchedDFSResult.
class SchedDFSImpl {
SchedDFSResult &R;
@@ -1163,16 +1184,16 @@ class SchedDFSImpl {
/// Join DAG nodes into equivalence classes by their subtree.
IntEqClasses SubtreeClasses;
/// List PredSU, SuccSU pairs that represent data edges between subtrees.
- std::vector<std::pair<const SUnit*, const SUnit*> > ConnectionPairs;
+ std::vector<std::pair<const SUnit *, const SUnit*>> ConnectionPairs;
struct RootData {
unsigned NodeID;
unsigned ParentNodeID; ///< Parent node (member of the parent subtree).
- unsigned SubInstrCount; ///< Instr count in this tree only, not children.
+ unsigned SubInstrCount = 0; ///< Instr count in this tree only, not
+ /// children.
RootData(unsigned id): NodeID(id),
- ParentNodeID(SchedDFSResult::InvalidSubtreeID),
- SubInstrCount(0) {}
+ ParentNodeID(SchedDFSResult::InvalidSubtreeID) {}
unsigned getSparseSetIndex() const { return NodeID; }
};
@@ -1340,12 +1361,15 @@ protected:
} while (FromTree != SchedDFSResult::InvalidSubtreeID);
}
};
+
} // end namespace llvm
namespace {
+
/// Manage the stack used by a reverse depth-first search over the DAG.
class SchedDAGReverseDFS {
- std::vector<std::pair<const SUnit*, SUnit::const_pred_iterator> > DFSStack;
+ std::vector<std::pair<const SUnit *, SUnit::const_pred_iterator>> DFSStack;
+
public:
bool isComplete() const { return DFSStack.empty(); }
@@ -1367,7 +1391,8 @@ public:
return getCurr()->Preds.end();
}
};
-} // anonymous
+
+} // end anonymous namespace
static bool hasDataSucc(const SUnit *SU) {
for (const SDep &SuccDep : SU->Succs) {
@@ -1392,7 +1417,7 @@ void SchedDFSResult::compute(ArrayRef<SUnit> SUnits) {
SchedDAGReverseDFS DFS;
Impl.visitPreorder(&SU);
DFS.follow(&SU);
- for (;;) {
+ while (true) {
// Traverse the leftmost path as far as possible.
while (DFS.getPred() != DFS.getPredEnd()) {
const SDep &PredDep = *DFS.getPred();
@@ -1457,4 +1482,5 @@ raw_ostream &operator<<(raw_ostream &OS, const ILPValue &Val) {
}
} // end namespace llvm
+
#endif
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