PSK_FastHardware
};
- /// isLegalAddImmediate - Return true if the specified immediate is legal
- /// add immediate, that is the target has add instructions which can add
- /// a register with the immediate without having to materialize the
- /// immediate into a register.
+ /// \brief Return true if the specified immediate is legal add immediate, that
+ /// is the target has add instructions which can add a register with the
+ /// immediate without having to materialize the immediate into a register.
virtual bool isLegalAddImmediate(int64_t Imm) const;
- /// isLegalICmpImmediate - Return true if the specified immediate is legal
- /// icmp immediate, that is the target has icmp instructions which can compare
- /// a register against the immediate without having to materialize the
- /// immediate into a register.
+ /// \brief Return true if the specified immediate is legal icmp immediate,
+ /// that is the target has icmp instructions which can compare a register
+ /// against the immediate without having to materialize the immediate into a
+ /// register.
virtual bool isLegalICmpImmediate(int64_t Imm) const;
- /// isLegalAddressingMode - Return true if the addressing mode represented by
- /// AM is legal for this target, for a load/store of the specified type.
+ /// \brief Return true if the addressing mode represented by AM is legal for
+ /// this target, for a load/store of the specified type.
/// The type may be VoidTy, in which case only return true if the addressing
/// mode is legal for a load/store of any legal type.
/// TODO: Handle pre/postinc as well.
int64_t BaseOffset, bool HasBaseReg,
int64_t Scale) const;
- /// isTruncateFree - Return true if it's free to truncate a value of
- /// type Ty1 to type Ty2. e.g. On x86 it's free to truncate a i32 value in
- /// register EAX to i16 by referencing its sub-register AX.
+ /// \brief Return true if it's free to truncate a value of type Ty1 to type
+ /// Ty2. e.g. On x86 it's free to truncate a i32 value in register EAX to i16
+ /// by referencing its sub-register AX.
virtual bool isTruncateFree(Type *Ty1, Type *Ty2) const;
- /// Is this type legal.
+ /// \brief Return true if this type is legal.
virtual bool isTypeLegal(Type *Ty) const;
- /// getJumpBufAlignment - returns the target's jmp_buf alignment in bytes
+ /// \brief Returns the target's jmp_buf alignment in bytes.
virtual unsigned getJumpBufAlignment() const;
- /// getJumpBufSize - returns the target's jmp_buf size in bytes.
+ /// \brief Returns the target's jmp_buf size in bytes.
virtual unsigned getJumpBufSize() const;
- /// shouldBuildLookupTables - Return true if switches should be turned into
- /// lookup tables for the target.
+ /// \brief Return true if switches should be turned into lookup tables for the
+ /// target.
virtual bool shouldBuildLookupTables() const;
- /// getPopcntSupport - Return hardware support for population count.
+ /// \brief Return hardware support for population count.
virtual PopcntSupportKind getPopcntSupport(unsigned IntTyWidthInBit) const;
- /// haveFastSqrt -- Return true if the hardware has a fast square-root
- /// instruction.
+ /// \brief Return true if the hardware has a fast square-root instruction.
virtual bool haveFastSqrt(Type *Ty) const;
- /// getIntImmCost - Return the expected cost of materializing the given
- /// integer immediate of the specified type.
+ /// \brief Return the expected cost of materializing for the given integer
+ /// immediate of the specified type.
virtual unsigned getIntImmCost(const APInt &Imm, Type *Ty) const;
/// @}