//
//===----------------------------------------------------------------------===//
-#ifndef ARMINSTRUCTIONINFO_H
-#define ARMINSTRUCTIONINFO_H
+#ifndef LLVM_LIB_TARGET_ARM_ARMINSTRINFO_H
+#define LLVM_LIB_TARGET_ARM_ARMINSTRINFO_H
-#include "ARM.h"
#include "ARMBaseInstrInfo.h"
#include "ARMRegisterInfo.h"
-#include "ARMSubtarget.h"
-#include "llvm/Target/TargetInstrInfo.h"
namespace llvm {
class ARMSubtarget;
explicit ARMInstrInfo(const ARMSubtarget &STI);
/// getNoopForMachoTarget - Return the noop instruction to use for a noop.
- void getNoopForMachoTarget(MCInst &NopInst) const;
+ void getNoopForMachoTarget(MCInst &NopInst) const override;
// Return the non-pre/post incrementing version of 'Opc'. Return 0
// if there is not such an opcode.
- unsigned getUnindexedOpcode(unsigned Opc) const;
+ unsigned getUnindexedOpcode(unsigned Opc) const override;
/// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As
/// such, whenever a client has an instance of instruction info, it should
/// always be able to get register info as well (through this method).
///
- const ARMRegisterInfo &getRegisterInfo() const { return RI; }
+ const ARMRegisterInfo &getRegisterInfo() const override { return RI; }
+
+ /// Build the equivalent inputs of a REG_SEQUENCE for the given \p MI
+ /// and \p DefIdx.
+ /// \p [out] InputRegs of the equivalent REG_SEQUENCE. Each element of
+ /// the list is modeled as <Reg:SubReg, SubIdx>.
+ /// E.g., REG_SEQUENCE vreg1:sub1, sub0, vreg2, sub1 would produce
+ /// two elements:
+ /// - vreg1:sub1, sub0
+ /// - vreg2<:0>, sub1
+ ///
+ /// \returns true if it is possible to build such an input sequence
+ /// with the pair \p MI, \p DefIdx. False otherwise.
+ ///
+ /// \pre MI.isRegSequenceLike().
+ bool getRegSequenceLikeInputs(
+ const MachineInstr &MI, unsigned DefIdx,
+ SmallVectorImpl<RegSubRegPairAndIdx> &InputRegs) const override;
+
+ /// Build the equivalent inputs of a EXTRACT_SUBREG for the given \p MI
+ /// and \p DefIdx.
+ /// \p [out] InputReg of the equivalent EXTRACT_SUBREG.
+ /// E.g., EXTRACT_SUBREG vreg1:sub1, sub0, sub1 would produce:
+ /// - vreg1:sub1, sub0
+ ///
+ /// \returns true if it is possible to build such an input sequence
+ /// with the pair \p MI, \p DefIdx. False otherwise.
+ ///
+ /// \pre MI.isExtractSubregLike().
+ bool getExtractSubregLikeInputs(const MachineInstr &MI, unsigned DefIdx,
+ RegSubRegPairAndIdx &InputReg) const override;
+
+ /// Build the equivalent inputs of a INSERT_SUBREG for the given \p MI
+ /// and \p DefIdx.
+ /// \p [out] BaseReg and \p [out] InsertedReg contain
+ /// the equivalent inputs of INSERT_SUBREG.
+ /// E.g., INSERT_SUBREG vreg0:sub0, vreg1:sub1, sub3 would produce:
+ /// - BaseReg: vreg0:sub0
+ /// - InsertedReg: vreg1:sub1, sub3
+ ///
+ /// \returns true if it is possible to build such an input sequence
+ /// with the pair \p MI, \p DefIdx. False otherwise.
+ ///
+ /// \pre MI.isInsertSubregLike().
+ bool
+ getInsertSubregLikeInputs(const MachineInstr &MI, unsigned DefIdx,
+ RegSubRegPair &BaseReg,
+ RegSubRegPairAndIdx &InsertedReg) const override;
+
+private:
+ void expandLoadStackGuard(MachineBasicBlock::iterator MI,
+ Reloc::Model RM) const override;
};
}