//
//===----------------------------------------------------------------------===//
-#ifndef CODEGEN_DAGPATTERNS_H
-#define CODEGEN_DAGPATTERNS_H
+#ifndef LLVM_UTILS_TABLEGEN_CODEGENDAGPATTERNS_H
+#define LLVM_UTILS_TABLEGEN_CODEGENDAGPATTERNS_H
#include "CodeGenIntrinsics.h"
#include "CodeGenTarget.h"
public:
TypeSet() {}
TypeSet(MVT::SimpleValueType VT, TreePattern &TP);
- TypeSet(const std::vector<MVT::SimpleValueType> &VTList);
+ TypeSet(ArrayRef<MVT::SimpleValueType> VTList);
bool isCompletelyUnknown() const { return TypeVec.empty(); }
/// a floating point value type.
bool hasFloatingPointTypes() const;
+ /// hasScalarTypes - Return true if this TypeSet contains a scalar value
+ /// type.
+ bool hasScalarTypes() const;
+
/// hasVectorTypes - Return true if this TypeSet contains a vector value
/// type.
bool hasVectorTypes() const;
/// this an other based on this information.
bool EnforceSmallerThan(EEVT::TypeSet &Other, TreePattern &TP);
- /// EnforceVectorEltTypeIs - 'this' is now constrainted to be a vector type
+ /// EnforceVectorEltTypeIs - 'this' is now constrained to be a vector type
/// whose element is VT.
bool EnforceVectorEltTypeIs(EEVT::TypeSet &VT, TreePattern &TP);
- /// EnforceVectorSubVectorTypeIs - 'this' is now constrainted to
+ /// EnforceVectorEltTypeIs - 'this' is now constrained to be a vector type
+ /// whose element is VT.
+ bool EnforceVectorEltTypeIs(MVT::SimpleValueType VT, TreePattern &TP);
+
+ /// EnforceVectorSubVectorTypeIs - 'this' is now constrained to
/// be a vector type VT.
bool EnforceVectorSubVectorTypeIs(EEVT::TypeSet &VT, TreePattern &TP);
+ /// EnforceVectorSameNumElts - 'this' is now constrained to
+ /// be a vector with same num elements as VT.
+ bool EnforceVectorSameNumElts(EEVT::TypeSet &VT, TreePattern &TP);
+
bool operator!=(const TypeSet &RHS) const { return TypeVec != RHS.TypeVec; }
bool operator==(const TypeSet &RHS) const { return TypeVec == RHS.TypeVec; }
/// valid on completely unknown type sets. If Pred is non-null, only MVTs
/// that pass the predicate are added.
bool FillWithPossibleTypes(TreePattern &TP,
- bool (*Pred)(MVT::SimpleValueType) = 0,
- const char *PredicateName = 0);
+ bool (*Pred)(MVT::SimpleValueType) = nullptr,
+ const char *PredicateName = nullptr);
};
}
enum {
SDTCisVT, SDTCisPtrTy, SDTCisInt, SDTCisFP, SDTCisVec, SDTCisSameAs,
SDTCisVTSmallerThanOp, SDTCisOpSmallerThanOp, SDTCisEltOfVec,
- SDTCisSubVecOfVec
+ SDTCisSubVecOfVec, SDTCVecEltisVT, SDTCisSameNumEltsAs
} ConstraintType;
union { // The discriminated union.
struct {
unsigned OtherOperandNum;
} SDTCisSubVecOfVec_Info;
+ struct {
+ MVT::SimpleValueType VT;
+ } SDTCVecEltisVT_Info;
+ struct {
+ unsigned OtherOperandNum;
+ } SDTCisSameNumEltsAs_Info;
} x;
/// ApplyTypeConstraint - Given a node in a pattern, apply this type
public:
TreePatternNode(Record *Op, const std::vector<TreePatternNode*> &Ch,
unsigned NumResults)
- : Operator(Op), Val(0), TransformFn(0), Children(Ch) {
+ : Operator(Op), Val(nullptr), TransformFn(nullptr), Children(Ch) {
Types.resize(NumResults);
}
TreePatternNode(Init *val, unsigned NumResults) // leaf ctor
- : Operator(0), Val(val), TransformFn(0) {
+ : Operator(nullptr), Val(val), TransformFn(nullptr) {
Types.resize(NumResults);
}
~TreePatternNode();
+ bool hasName() const { return !Name.empty(); }
const std::string &getName() const { return Name; }
void setName(StringRef N) { Name.assign(N.begin(), N.end()); }
- bool isLeaf() const { return Val != 0; }
+ bool isLeaf() const { return Val != nullptr; }
// Type accessors.
unsigned getNumTypes() const { return Types.size(); }
const ComplexPattern *
getComplexPatternInfo(const CodeGenDAGPatterns &CGP) const;
+ /// Returns the number of MachineInstr operands that would be produced by this
+ /// node if it mapped directly to an output Instruction's
+ /// operand. ComplexPattern specifies this explicitly; MIOperandInfo gives it
+ /// for Operands; otherwise 1.
+ unsigned getNumMIResults(const CodeGenDAGPatterns &CGP) const;
+
/// NodeHasProperty - Return true if this node has the specified property.
bool NodeHasProperty(SDNP Property, const CodeGenDAGPatterns &CGP) const;
return Types[ResNo].MergeInTypeInfo(EEVT::TypeSet(InTy, TP), TP);
}
+ // Update node type with types inferred from an instruction operand or result
+ // def from the ins/outs lists.
+ // Return true if the type changed.
+ bool UpdateNodeTypeFromInst(unsigned ResNo, Record *Operand, TreePattern &TP);
+
/// ContainsUnresolvedType - Return true if this tree contains any
/// unresolved types.
bool ContainsUnresolvedType() const {
/// hasError - True if the currently processed nodes have unresolvable types
/// or other non-fatal errors
bool HasError;
+
+ /// It's important that the usage of operands in ComplexPatterns is
+ /// consistent: each named operand can be defined by at most one
+ /// ComplexPattern. This records the ComplexPattern instance and the operand
+ /// number for each operand encountered in a ComplexPattern to aid in that
+ /// check.
+ StringMap<std::pair<Record *, unsigned>> ComplexPatternOperands;
public:
/// TreePattern constructor - Parse the specified DagInits into the
/// patterns as possible. Return true if all types are inferred, false
/// otherwise. Bail out if a type contradiction is found.
bool InferAllTypes(const StringMap<SmallVector<TreePatternNode*,1> >
- *NamedTypes=0);
+ *NamedTypes=nullptr);
/// error - If this is the first error in the current resolution step,
/// print it and set the error flag. Otherwise, continue silently.
- void error(const std::string &Msg);
+ void error(const Twine &Msg);
bool hasError() const {
return HasError;
}
const std::vector<Record*> &operands,
const std::vector<Record*> &impresults)
: Pattern(TP), Results(results), Operands(operands),
- ImpResults(impresults), ResultPattern(0) {}
+ ImpResults(impresults), ResultPattern(nullptr) {}
TreePattern *getPattern() const { return Pattern; }
unsigned getNumResults() const { return Results.size(); }
PatternToMatch(Record *srcrecord, ListInit *preds,
TreePatternNode *src, TreePatternNode *dst,
const std::vector<Record*> &dstregs,
- unsigned complexity, unsigned uid)
+ int complexity, unsigned uid)
: SrcRecord(srcrecord), Predicates(preds), SrcPattern(src), DstPattern(dst),
Dstregs(dstregs), AddedComplexity(complexity), ID(uid) {}
TreePatternNode *SrcPattern; // Source pattern to match.
TreePatternNode *DstPattern; // Resulting pattern.
std::vector<Record*> Dstregs; // Physical register defs being matched.
- unsigned AddedComplexity; // Add to matching pattern complexity.
+ int AddedComplexity; // Add to matching pattern complexity.
unsigned ID; // Unique ID for the record.
Record *getSrcRecord() const { return SrcRecord; }
TreePatternNode *getSrcPattern() const { return SrcPattern; }
TreePatternNode *getDstPattern() const { return DstPattern; }
const std::vector<Record*> &getDstRegs() const { return Dstregs; }
- unsigned getAddedComplexity() const { return AddedComplexity; }
+ int getAddedComplexity() const { return AddedComplexity; }
std::string getPredicateCheck() const;
/// Compute the complexity metric for the input pattern. This roughly
/// corresponds to the number of nodes that are covered.
- unsigned getPatternComplexity(const CodeGenDAGPatterns &CGP) const;
+ int getPatternComplexity(const CodeGenDAGPatterns &CGP) const;
};
class CodeGenDAGPatterns {
std::map<Record*, SDNodeInfo, LessRecordByID> SDNodes;
std::map<Record*, std::pair<Record*, std::string>, LessRecordByID> SDNodeXForms;
std::map<Record*, ComplexPattern, LessRecordByID> ComplexPatterns;
- std::map<Record*, TreePattern*, LessRecordByID> PatternFragments;
+ std::map<Record *, std::unique_ptr<TreePattern>, LessRecordByID>
+ PatternFragments;
std::map<Record*, DAGDefaultOperand, LessRecordByID> DefaultOperands;
std::map<Record*, DAGInstruction, LessRecordByID> Instructions;
std::vector<PatternToMatch> PatternsToMatch;
public:
CodeGenDAGPatterns(RecordKeeper &R);
- ~CodeGenDAGPatterns();
CodeGenTarget &getTargetInfo() { return Target; }
const CodeGenTarget &getTargetInfo() const { return Target; }
// Pattern Fragment information.
TreePattern *getPatternFragment(Record *R) const {
assert(PatternFragments.count(R) && "Invalid pattern fragment request!");
- return PatternFragments.find(R)->second;
+ return PatternFragments.find(R)->second.get();
}
TreePattern *getPatternFragmentIfRead(Record *R) const {
- if (!PatternFragments.count(R)) return 0;
- return PatternFragments.find(R)->second;
+ if (!PatternFragments.count(R))
+ return nullptr;
+ return PatternFragments.find(R)->second.get();
}
- typedef std::map<Record*, TreePattern*, LessRecordByID>::const_iterator
- pf_iterator;
+ typedef std::map<Record *, std::unique_ptr<TreePattern>,
+ LessRecordByID>::const_iterator pf_iterator;
pf_iterator pf_begin() const { return PatternFragments.begin(); }
pf_iterator pf_end() const { return PatternFragments.end(); }
ptm_iterator ptm_begin() const { return PatternsToMatch.begin(); }
ptm_iterator ptm_end() const { return PatternsToMatch.end(); }
-
+ /// Parse the Pattern for an instruction, and insert the result in DAGInsts.
+ typedef std::map<Record*, DAGInstruction, LessRecordByID> DAGInstMap;
+ const DAGInstruction &parseInstructionPattern(
+ CodeGenInstruction &CGI, ListInit *Pattern,
+ DAGInstMap &DAGInsts);
const DAGInstruction &getInstruction(Record *R) const {
assert(Instructions.count(R) && "Unknown instruction!");
void ParseNodeInfo();
void ParseNodeTransforms();
void ParseComplexPatterns();
- void ParsePatternFragments();
+ void ParsePatternFragments(bool OutFrags = false);
void ParseDefaultOperands();
void ParseInstructions();
void ParsePatterns();
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