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-rw-r--r--include/llvm/Analysis/TargetTransformInfo.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/llvm/Analysis/TargetTransformInfo.h b/include/llvm/Analysis/TargetTransformInfo.h
index ccab194..a9d6725 100644
--- a/include/llvm/Analysis/TargetTransformInfo.h
+++ b/include/llvm/Analysis/TargetTransformInfo.h
@@ -263,6 +263,13 @@ public:
SK_ExtractSubvector ///< ExtractSubvector Index indicates start offset.
};
+ /// \brief Additonal information about an operand's possible values.
+ enum OperandValueKind {
+ OK_AnyValue, // Operand can have any value.
+ OK_UniformValue, // Operand is uniform (splat of a value).
+ OK_UniformConstantValue // Operand is uniform constant.
+ };
+
/// \return The number of scalar or vector registers that the target has.
/// If 'Vectors' is true, it returns the number of vector registers. If it is
/// set to false, it returns the number of scalar registers.
@@ -277,7 +284,9 @@ public:
virtual unsigned getMaximumUnrollFactor() const;
/// \return The expected cost of arithmetic ops, such as mul, xor, fsub, etc.
- virtual unsigned getArithmeticInstrCost(unsigned Opcode, Type *Ty) const;
+ virtual unsigned getArithmeticInstrCost(unsigned Opcode, Type *Ty,
+ OperandValueKind Opd1Info = OK_AnyValue,
+ OperandValueKind Opd2Info = OK_AnyValue) const;
/// \return The cost of a shuffle instruction of kind Kind and of type Tp.
/// The index and subtype parameters are used by the subvector insertion and