1 //===-- TargetSubtargetInfo.cpp - General Target Information ---------------==//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file describes the general parts of a Subtarget.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "llvm/Target/TargetSubtargetInfo.h"
15 using namespace llvm;
16
17 //---------------------------------------------------------------------------
18 // TargetSubtargetInfo Class
19 //
TargetSubtargetInfo(const Triple & TT,StringRef CPU,StringRef FS,ArrayRef<SubtargetFeatureKV> PF,ArrayRef<SubtargetFeatureKV> PD,const SubtargetInfoKV * ProcSched,const MCWriteProcResEntry * WPR,const MCWriteLatencyEntry * WL,const MCReadAdvanceEntry * RA,const InstrStage * IS,const unsigned * OC,const unsigned * FP)20 TargetSubtargetInfo::TargetSubtargetInfo(
21 const Triple &TT, StringRef CPU, StringRef FS,
22 ArrayRef<SubtargetFeatureKV> PF, ArrayRef<SubtargetFeatureKV> PD,
23 const SubtargetInfoKV *ProcSched, const MCWriteProcResEntry *WPR,
24 const MCWriteLatencyEntry *WL, const MCReadAdvanceEntry *RA,
25 const InstrStage *IS, const unsigned *OC, const unsigned *FP)
26 : MCSubtargetInfo(TT, CPU, FS, PF, PD, ProcSched, WPR, WL, RA, IS, OC, FP) {
27 }
28
~TargetSubtargetInfo()29 TargetSubtargetInfo::~TargetSubtargetInfo() {}
30
enableAtomicExpand() const31 bool TargetSubtargetInfo::enableAtomicExpand() const {
32 return true;
33 }
34
enableMachineScheduler() const35 bool TargetSubtargetInfo::enableMachineScheduler() const {
36 return false;
37 }
38
enableJoinGlobalCopies() const39 bool TargetSubtargetInfo::enableJoinGlobalCopies() const {
40 return enableMachineScheduler();
41 }
42
enableRALocalReassignment(CodeGenOpt::Level OptLevel) const43 bool TargetSubtargetInfo::enableRALocalReassignment(
44 CodeGenOpt::Level OptLevel) const {
45 return true;
46 }
47
enablePostRAScheduler() const48 bool TargetSubtargetInfo::enablePostRAScheduler() const {
49 return getSchedModel().PostRAScheduler;
50 }
51
useAA() const52 bool TargetSubtargetInfo::useAA() const {
53 return false;
54 }
55