0f0079c29d
- This implementation is adapted from SDAG X86TargetLowering::LowerGET_ROUNDING. - llvm.set.rounding will be added later because it involves MXCSR updates currently unsupported.
63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
//===- X86LegalizerInfo.h ------------------------------------------*- C++
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//-*-==//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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/// \file
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/// This file declares the targeting of the Machinelegalizer class for X86.
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/// \todo This should be generated by TableGen.
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_X86_X86MACHINELEGALIZER_H
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#define LLVM_LIB_TARGET_X86_X86MACHINELEGALIZER_H
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#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
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namespace llvm {
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class X86Subtarget;
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class X86TargetMachine;
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class X86LegalizerInfo : public LegalizerInfo {
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private:
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/// Keep a reference to the X86Subtarget around so that we can
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/// make the right decision when generating code for different targets.
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const X86Subtarget &Subtarget;
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public:
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X86LegalizerInfo(const X86Subtarget &STI, const X86TargetMachine &TM);
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bool legalizeCustom(LegalizerHelper &Helper, MachineInstr &MI,
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LostDebugLocObserver &LocObserver) const override;
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bool legalizeIntrinsic(LegalizerHelper &Helper,
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MachineInstr &MI) const override;
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private:
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bool legalizeBuildVector(MachineInstr &MI, MachineRegisterInfo &MRI,
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LegalizerHelper &Helper) const;
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bool legalizeFPTOUI(MachineInstr &MI, MachineRegisterInfo &MRI,
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LegalizerHelper &Helper) const;
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bool legalizeUITOFP(MachineInstr &MI, MachineRegisterInfo &MRI,
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LegalizerHelper &Helper) const;
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bool legalizeNarrowingStore(MachineInstr &MI, MachineRegisterInfo &MRI,
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LegalizerHelper &Helper) const;
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bool legalizeSITOFP(MachineInstr &MI, MachineRegisterInfo &MRI,
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LegalizerHelper &Helper) const;
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bool legalizeFPTOSI(MachineInstr &MI, MachineRegisterInfo &MRI,
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LegalizerHelper &Helper) const;
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bool legalizeGETROUNDING(MachineInstr &MI, MachineRegisterInfo &MRI,
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LegalizerHelper &Helper) const;
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};
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} // namespace llvm
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#endif
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