147 lines
5.0 KiB
C++
147 lines
5.0 KiB
C++
//===-- SystemZSubtarget.h - SystemZ subtarget information -----*- C++ -*--===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares the SystemZ specific subclass of TargetSubtargetInfo.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZSUBTARGET_H
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#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZSUBTARGET_H
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#include "SystemZFrameLowering.h"
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#include "SystemZISelLowering.h"
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#include "SystemZInstrInfo.h"
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#include "SystemZRegisterInfo.h"
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#include "SystemZSelectionDAGInfo.h"
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#include "llvm/IR/DataLayout.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/Target/TargetSubtargetInfo.h"
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#include <string>
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#define GET_SUBTARGETINFO_HEADER
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#include "SystemZGenSubtargetInfo.inc"
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namespace llvm {
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class GlobalValue;
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class StringRef;
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class SystemZSubtarget : public SystemZGenSubtargetInfo {
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virtual void anchor();
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protected:
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bool HasDistinctOps;
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bool HasLoadStoreOnCond;
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bool HasHighWord;
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bool HasFPExtension;
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bool HasPopulationCount;
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bool HasFastSerialization;
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bool HasInterlockedAccess1;
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bool HasMiscellaneousExtensions;
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bool HasExecutionHint;
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bool HasLoadAndTrap;
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bool HasTransactionalExecution;
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bool HasProcessorAssist;
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bool HasVector;
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bool HasLoadStoreOnCond2;
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bool HasLoadAndZeroRightmostByte;
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private:
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Triple TargetTriple;
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SystemZInstrInfo InstrInfo;
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SystemZTargetLowering TLInfo;
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SystemZSelectionDAGInfo TSInfo;
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SystemZFrameLowering FrameLowering;
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SystemZSubtarget &initializeSubtargetDependencies(StringRef CPU,
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StringRef FS);
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public:
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SystemZSubtarget(const Triple &TT, const std::string &CPU,
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const std::string &FS, const TargetMachine &TM);
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const TargetFrameLowering *getFrameLowering() const override {
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return &FrameLowering;
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}
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const SystemZInstrInfo *getInstrInfo() const override { return &InstrInfo; }
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const SystemZRegisterInfo *getRegisterInfo() const override {
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return &InstrInfo.getRegisterInfo();
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}
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const SystemZTargetLowering *getTargetLowering() const override {
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return &TLInfo;
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}
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const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
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return &TSInfo;
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}
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// This is important for reducing register pressure in vector code.
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bool useAA() const override { return true; }
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// Always enable the early if-conversion pass.
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bool enableEarlyIfConversion() const override { return true; }
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// Automatically generated by tblgen.
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void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
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// Return true if the target has the distinct-operands facility.
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bool hasDistinctOps() const { return HasDistinctOps; }
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// Return true if the target has the load/store-on-condition facility.
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bool hasLoadStoreOnCond() const { return HasLoadStoreOnCond; }
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// Return true if the target has the load/store-on-condition facility 2.
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bool hasLoadStoreOnCond2() const { return HasLoadStoreOnCond2; }
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// Return true if the target has the high-word facility.
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bool hasHighWord() const { return HasHighWord; }
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// Return true if the target has the floating-point extension facility.
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bool hasFPExtension() const { return HasFPExtension; }
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// Return true if the target has the population-count facility.
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bool hasPopulationCount() const { return HasPopulationCount; }
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// Return true if the target has the fast-serialization facility.
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bool hasFastSerialization() const { return HasFastSerialization; }
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// Return true if the target has interlocked-access facility 1.
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bool hasInterlockedAccess1() const { return HasInterlockedAccess1; }
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// Return true if the target has the miscellaneous-extensions facility.
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bool hasMiscellaneousExtensions() const {
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return HasMiscellaneousExtensions;
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}
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// Return true if the target has the execution-hint facility.
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bool hasExecutionHint() const { return HasExecutionHint; }
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// Return true if the target has the load-and-trap facility.
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bool hasLoadAndTrap() const { return HasLoadAndTrap; }
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// Return true if the target has the transactional-execution facility.
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bool hasTransactionalExecution() const { return HasTransactionalExecution; }
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// Return true if the target has the processor-assist facility.
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bool hasProcessorAssist() const { return HasProcessorAssist; }
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// Return true if the target has the load-and-zero-rightmost-byte facility.
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bool hasLoadAndZeroRightmostByte() const {
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return HasLoadAndZeroRightmostByte;
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}
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// Return true if the target has the vector facility.
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bool hasVector() const { return HasVector; }
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// Return true if GV can be accessed using LARL for reloc model RM
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// and code model CM.
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bool isPC32DBLSymbol(const GlobalValue *GV, CodeModel::Model CM) const;
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bool isTargetELF() const { return TargetTriple.isOSBinFormatELF(); }
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};
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} // end namespace llvm
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#endif
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