#ifndef LLVM_TARGET_TARGETINTRINSICINFO_H
#define LLVM_TARGET_TARGETINTRINSICINFO_H
+#include "llvm/Support/Compiler.h"
+#include <string>
+
namespace llvm {
class Function;
/// TargetIntrinsicInfo - Interface to description of machine instruction set
///
class TargetIntrinsicInfo {
-
- const char **Intrinsics; // Raw array to allow static init'n
- unsigned NumIntrinsics; // Number of entries in the desc array
-
- TargetIntrinsicInfo(const TargetIntrinsicInfo &); // DO NOT IMPLEMENT
- void operator=(const TargetIntrinsicInfo &); // DO NOT IMPLEMENT
+ TargetIntrinsicInfo(const TargetIntrinsicInfo &) = delete;
+ void operator=(const TargetIntrinsicInfo &) = delete;
public:
- TargetIntrinsicInfo(const char **desc, unsigned num);
+ TargetIntrinsicInfo();
virtual ~TargetIntrinsicInfo();
- unsigned getNumIntrinsics() const { return NumIntrinsics; }
+ /// Return the name of a target intrinsic, e.g. "llvm.bfin.ssync".
+ /// The Tys and numTys parameters are for intrinsics with overloaded types
+ /// (e.g., those using iAny or fAny). For a declaration for an overloaded
+ /// intrinsic, Tys should point to an array of numTys pointers to Type,
+ /// and must provide exactly one type for each overloaded type in the
+ /// intrinsic.
+ virtual std::string getName(unsigned IID, Type **Tys = nullptr,
+ unsigned numTys = 0) const = 0;
- virtual Function *getDeclaration(Module *M, const char *BuiltinName) const {
- return 0;
- }
+ /// Look up target intrinsic by name. Return intrinsic ID or 0 for unknown
+ /// names.
+ virtual unsigned lookupName(const char *Name, unsigned Len) const =0;
- // Returns the Function declaration for intrinsic BuiltinName. If the
- // intrinsic can be overloaded, uses Tys to return the correct function.
- virtual Function *getDeclaration(Module *M, const char *BuiltinName,
- const Type **Tys, unsigned numTys) const {
- return 0;
- }
+ /// Return the target intrinsic ID of a function, or 0.
+ virtual unsigned getIntrinsicID(Function *F) const;
- // Returns true if the Builtin can be overloaded.
- virtual bool isOverloaded(Module *M, const char *BuiltinName) const {
- return false;
- }
+ /// Returns true if the intrinsic can be overloaded.
+ virtual bool isOverloaded(unsigned IID) const = 0;
- virtual unsigned getIntrinsicID(Function *F) const { return 0; }
+ /// Create or insert an LLVM Function declaration for an intrinsic,
+ /// and return it. The Tys and numTys are for intrinsics with overloaded
+ /// types. See above for more information.
+ virtual Function *getDeclaration(Module *M, unsigned ID, Type **Tys = nullptr,
+ unsigned numTys = 0) const = 0;
};
} // End llvm namespace