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()22 TargetSubtargetInfo::TargetSubtargetInfo() {}
23 
~TargetSubtargetInfo()24 TargetSubtargetInfo::~TargetSubtargetInfo() {}
25 
enableAtomicExpand() const26 bool TargetSubtargetInfo::enableAtomicExpand() const {
27   return true;
28 }
29 
enableMachineScheduler() const30 bool TargetSubtargetInfo::enableMachineScheduler() const {
31   return false;
32 }
33 
enableJoinGlobalCopies() const34 bool TargetSubtargetInfo::enableJoinGlobalCopies() const {
35   return enableMachineScheduler();
36 }
37 
enableRALocalReassignment(CodeGenOpt::Level OptLevel) const38 bool TargetSubtargetInfo::enableRALocalReassignment(
39     CodeGenOpt::Level OptLevel) const {
40   return true;
41 }
42 
enablePostMachineScheduler() const43 bool TargetSubtargetInfo::enablePostMachineScheduler() const {
44   return getSchedModel().PostRAScheduler;
45 }
46 
useAA() const47 bool TargetSubtargetInfo::useAA() const {
48   return false;
49 }
50