llvm-6502/lib/Target/Mips/Mips16ISelLowering.h
NAKAMURA Takumi 1808f3e89a Revert r221056 and others, "[mips] Move F128 argument handling into MipsCCState as we did for returns. NFC."
r221056 "[mips] Move F128 argument handling into MipsCCState as we did for returns. NFC."
  r221058 "[mips] Fix unused variable warning introduced in r221056"
  r221059 "[mips] Move all ByVal handling into CCState and tablegen-erated code. NFC."
  r221061 "Renamed CCState members that appear to misspell 'Processed' as 'Proceed'. NFC."

It cuased an undefined behavior in LLVM :: CodeGen/Mips/return-vector.ll.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221081 91177308-0d34-0410-b5e6-96231b3b80d8
2014-11-02 04:43:54 +00:00

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3.0 KiB
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//===-- Mips16ISelLowering.h - Mips16 DAG Lowering Interface ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Subclass of MipsTargetLowering specialized for mips16.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_MIPS_MIPS16ISELLOWERING_H
#define LLVM_LIB_TARGET_MIPS_MIPS16ISELLOWERING_H
#include "MipsISelLowering.h"
namespace llvm {
class Mips16TargetLowering : public MipsTargetLowering {
public:
explicit Mips16TargetLowering(const MipsTargetMachine &TM,
const MipsSubtarget &STI);
bool allowsMisalignedMemoryAccesses(EVT VT, unsigned AddrSpace,
unsigned Align,
bool *Fast) const override;
MachineBasicBlock *
EmitInstrWithCustomInserter(MachineInstr *MI,
MachineBasicBlock *MBB) const override;
private:
bool isEligibleForTailCallOptimization(const MipsCC &MipsCCInfo,
unsigned NextStackOffset,
const MipsFunctionInfo& FI) const override;
void setMips16HardFloatLibCalls();
unsigned int
getMips16HelperFunctionStubNumber(ArgListTy &Args) const;
const char *getMips16HelperFunction
(Type* RetTy, ArgListTy &Args, bool &needHelper) const;
void
getOpndList(SmallVectorImpl<SDValue> &Ops,
std::deque< std::pair<unsigned, SDValue> > &RegsToPass,
bool IsPICCall, bool GlobalOrExternal, bool InternalLinkage,
bool IsCallReloc, CallLoweringInfo &CLI, SDValue Callee,
SDValue Chain) const override;
MachineBasicBlock *emitSel16(unsigned Opc, MachineInstr *MI,
MachineBasicBlock *BB) const;
MachineBasicBlock *emitSeliT16(unsigned Opc1, unsigned Opc2,
MachineInstr *MI,
MachineBasicBlock *BB) const;
MachineBasicBlock *emitSelT16(unsigned Opc1, unsigned Opc2,
MachineInstr *MI,
MachineBasicBlock *BB) const;
MachineBasicBlock *emitFEXT_T8I816_ins(unsigned BtOpc, unsigned CmpOpc,
MachineInstr *MI,
MachineBasicBlock *BB) const;
MachineBasicBlock *emitFEXT_T8I8I16_ins(
unsigned BtOpc, unsigned CmpiOpc, unsigned CmpiXOpc, bool ImmSigned,
MachineInstr *MI, MachineBasicBlock *BB) const;
MachineBasicBlock *emitFEXT_CCRX16_ins(
unsigned SltOpc,
MachineInstr *MI, MachineBasicBlock *BB) const;
MachineBasicBlock *emitFEXT_CCRXI16_ins(
unsigned SltiOpc, unsigned SltiXOpc,
MachineInstr *MI, MachineBasicBlock *BB )const;
};
}
#endif