1 //===- AlphaSubtarget.cpp - Alpha Subtarget Information ---------*- C++ -*-===//
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 Alpha specific subclass of TargetSubtargetInfo.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "AlphaSubtarget.h"
15 #include "Alpha.h"
16 
17 #define GET_SUBTARGETINFO_TARGET_DESC
18 #define GET_SUBTARGETINFO_CTOR
19 #include "AlphaGenSubtargetInfo.inc"
20 
21 using namespace llvm;
22 
AlphaSubtarget(const std::string & TT,const std::string & CPU,const std::string & FS)23 AlphaSubtarget::AlphaSubtarget(const std::string &TT, const std::string &CPU,
24                                const std::string &FS)
25   : AlphaGenSubtargetInfo(TT, CPU, FS), HasCT(false) {
26   std::string CPUName = CPU;
27   if (CPUName.empty())
28     CPUName = "generic";
29 
30   // Parse features string.
31   ParseSubtargetFeatures(CPUName, FS);
32 
33   // Initialize scheduling itinerary for the specified CPU.
34   InstrItins = getInstrItineraryForCPU(CPUName);
35 }
36