diff options
Diffstat (limited to 'include/llvm/Operator.h')
-rw-r--r-- | include/llvm/Operator.h | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/include/llvm/Operator.h b/include/llvm/Operator.h index abd6a19..1e86980 100644 --- a/include/llvm/Operator.h +++ b/include/llvm/Operator.h @@ -15,8 +15,9 @@ #ifndef LLVM_OPERATOR_H #define LLVM_OPERATOR_H -#include "llvm/Instruction.h" #include "llvm/Constants.h" +#include "llvm/Instruction.h" +#include "llvm/Type.h" namespace llvm { @@ -129,14 +130,15 @@ public: IsExact = (1 << 0) }; +private: + ~PossiblyExactOperator(); // do not implement + friend class BinaryOperator; friend class ConstantExpr; void setIsExact(bool B) { SubclassOptionalData = (SubclassOptionalData & ~IsExact) | (B * IsExact); } -private: - ~PossiblyExactOperator(); // do not implement public: /// isExact - Test whether this division is known to be exact, with /// zero remainder. @@ -161,7 +163,28 @@ public: (isa<ConstantExpr>(V) && classof(cast<ConstantExpr>(V))); } }; - + +/// FPMathOperator - Utility class for floating point operations which can have +/// information about relaxed accuracy requirements attached to them. +class FPMathOperator : public Operator { +private: + ~FPMathOperator(); // do not implement + +public: + + /// \brief Get the maximum error permitted by this operation in ULPs. An + /// accuracy of 0.0 means that the operation should be performed with the + /// default precision. + float getFPAccuracy() const; + + static inline bool classof(const FPMathOperator *) { return true; } + static inline bool classof(const Instruction *I) { + return I->getType()->isFPOrFPVectorTy(); + } + static inline bool classof(const Value *V) { + return isa<Instruction>(V) && classof(cast<Instruction>(V)); + } +}; /// ConcreteOperator - A helper template for defining operators for individual |