diff options
Diffstat (limited to 'include/llvm/Analysis/TargetTransformInfo.h')
| -rw-r--r-- | include/llvm/Analysis/TargetTransformInfo.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/llvm/Analysis/TargetTransformInfo.h b/include/llvm/Analysis/TargetTransformInfo.h index 67196687d556..b9639dba1881 100644 --- a/include/llvm/Analysis/TargetTransformInfo.h +++ b/include/llvm/Analysis/TargetTransformInfo.h @@ -197,6 +197,12 @@ public: int getIntrinsicCost(Intrinsic::ID IID, Type *RetTy, ArrayRef<const Value *> Arguments) const; + /// \return The estimated number of case clusters when lowering \p 'SI'. + /// \p JTSize Set a jump table size only when \p SI is suitable for a jump + /// table. + unsigned getEstimatedNumberOfCaseClusters(const SwitchInst &SI, + unsigned &JTSize) const; + /// \brief Estimate the cost of a given IR user when lowered. /// /// This can estimate the cost of either a ConstantExpr or Instruction when @@ -764,6 +770,8 @@ public: ArrayRef<Type *> ParamTys) = 0; virtual int getIntrinsicCost(Intrinsic::ID IID, Type *RetTy, ArrayRef<const Value *> Arguments) = 0; + virtual unsigned getEstimatedNumberOfCaseClusters(const SwitchInst &SI, + unsigned &JTSize) = 0; virtual int getUserCost(const User *U) = 0; virtual bool hasBranchDivergence() = 0; virtual bool isSourceOfDivergence(const Value *V) = 0; @@ -1067,6 +1075,10 @@ public: unsigned getMaxInterleaveFactor(unsigned VF) override { return Impl.getMaxInterleaveFactor(VF); } + unsigned getEstimatedNumberOfCaseClusters(const SwitchInst &SI, + unsigned &JTSize) override { + return Impl.getEstimatedNumberOfCaseClusters(SI, JTSize); + } unsigned getArithmeticInstrCost(unsigned Opcode, Type *Ty, OperandValueKind Opd1Info, OperandValueKind Opd2Info, |