Teach ValueTracking about address spaces
[oota-llvm.git] / lib / Target / AArch64 / AArch64Subtarget.cpp
1 //===-- AArch64Subtarget.cpp - AArch64 Subtarget 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 implements the AArch64 specific subclass of TargetSubtargetInfo.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "AArch64Subtarget.h"
15 #include "AArch64RegisterInfo.h"
16 #include "MCTargetDesc/AArch64MCTargetDesc.h"
17 #include "llvm/IR/GlobalValue.h"
18 #include "llvm/Target/TargetSubtargetInfo.h"
19 #include "llvm/Support/CommandLine.h"
20 #include "llvm/ADT/SmallVector.h"
21
22 #define GET_SUBTARGETINFO_TARGET_DESC
23 #define GET_SUBTARGETINFO_CTOR
24 #include "AArch64GenSubtargetInfo.inc"
25
26 using namespace llvm;
27
28 AArch64Subtarget::AArch64Subtarget(StringRef TT, StringRef CPU, StringRef FS)
29     : AArch64GenSubtargetInfo(TT, CPU, FS), HasNEON(false), HasCrypto(false),
30       TargetTriple(TT) {
31
32   ParseSubtargetFeatures(CPU, FS);
33 }
34
35 bool AArch64Subtarget::GVIsIndirectSymbol(const GlobalValue *GV,
36                                           Reloc::Model RelocM) const {
37   if (RelocM == Reloc::Static)
38     return false;
39
40   return !GV->hasLocalLinkage() && !GV->hasHiddenVisibility();
41 }