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/Support/CommandLine.h"
15 #include "llvm/ADT/SmallVector.h"
16 #include "llvm/Target/TargetSubtargetInfo.h"
17 using namespace llvm;
18
19 //---------------------------------------------------------------------------
20 // TargetSubtargetInfo Class
21 //
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)22 TargetSubtargetInfo::TargetSubtargetInfo(
23 const Triple &TT, StringRef CPU, StringRef FS,
24 ArrayRef<SubtargetFeatureKV> PF, ArrayRef<SubtargetFeatureKV> PD,
25 const SubtargetInfoKV *ProcSched, const MCWriteProcResEntry *WPR,
26 const MCWriteLatencyEntry *WL, const MCReadAdvanceEntry *RA,
27 const InstrStage *IS, const unsigned *OC, const unsigned *FP)
28 : MCSubtargetInfo(TT, CPU, FS, PF, PD, ProcSched, WPR, WL, RA, IS, OC, FP) {
29 }
30
~TargetSubtargetInfo()31 TargetSubtargetInfo::~TargetSubtargetInfo() {}
32
enableAtomicExpand() const33 bool TargetSubtargetInfo::enableAtomicExpand() const {
34 return true;
35 }
36
enableMachineScheduler() const37 bool TargetSubtargetInfo::enableMachineScheduler() const {
38 return false;
39 }
40
enableJoinGlobalCopies() const41 bool TargetSubtargetInfo::enableJoinGlobalCopies() const {
42 return enableMachineScheduler();
43 }
44
enableRALocalReassignment(CodeGenOpt::Level OptLevel) const45 bool TargetSubtargetInfo::enableRALocalReassignment(
46 CodeGenOpt::Level OptLevel) const {
47 return true;
48 }
49
enablePostRAScheduler() const50 bool TargetSubtargetInfo::enablePostRAScheduler() const {
51 return getSchedModel().PostRAScheduler;
52 }
53
useAA() const54 bool TargetSubtargetInfo::useAA() const {
55 return false;
56 }
57