Added llvmgcc version to allow tests to be xfailed by frontend version.
[llvm-complete.git] / lib / Target / PowerPC / PPCSubtarget.h
blob4f838741ad09905d9afdbf46639eda9388e6797c
1 //=====-- PPCSubtarget.h - Define Subtarget for the PPC -------*- C++ -*--====//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file was developed by Nate Begeman and is distributed under the
6 // University of Illinois Open Source License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file declares the PowerPC specific subclass of TargetSubtarget.
12 //===----------------------------------------------------------------------===//
14 #ifndef POWERPCSUBTARGET_H
15 #define POWERPCSUBTARGET_H
17 #include "llvm/Target/TargetInstrItineraries.h"
18 #include "llvm/Target/TargetSubtarget.h"
20 #include <string>
22 namespace llvm {
23 class Module;
25 class PPCSubtarget : public TargetSubtarget {
26 protected:
27 /// stackAlignment - The minimum alignment known to hold of the stack frame on
28 /// entry to the function and which must be maintained by every function.
29 unsigned StackAlignment;
31 /// Selected instruction itineraries (one entry per itinerary class.)
32 InstrItineraryData InstrItins;
34 /// Used by the ISel to turn in optimizations for POWER4-derived architectures
35 bool IsGigaProcessor;
36 bool Is64Bit;
37 bool Has64BitRegs;
38 bool HasAltivec;
39 bool HasFSQRT;
40 bool HasSTFIWX;
41 bool IsAIX;
42 bool IsDarwin;
43 public:
44 /// This constructor initializes the data members to match that
45 /// of the specified module.
46 ///
47 PPCSubtarget(const Module &M, const std::string &FS);
49 /// ParseSubtargetFeatures - Parses features string setting specified
50 /// subtarget options. Definition of function is auto generated by tblgen.
51 void ParseSubtargetFeatures(const std::string &FS, const std::string &CPU);
53 /// getStackAlignment - Returns the minimum alignment known to hold of the
54 /// stack frame on entry to the function and which must be maintained by every
55 /// function for this subtarget.
56 unsigned getStackAlignment() const { return StackAlignment; }
58 /// getInstrItins - Return the instruction itineraies based on subtarget
59 /// selection.
60 const InstrItineraryData getInstrItineraryData() const { return InstrItins; }
63 bool hasFSQRT() const { return HasFSQRT; }
64 bool hasSTFIWX() const { return HasSTFIWX; }
65 bool has64BitRegs() const { return Has64BitRegs; }
66 bool hasAltivec() const { return HasAltivec; }
68 bool isAIX() const { return IsAIX; }
69 bool isDarwin() const { return IsDarwin; }
70 bool is64Bit() const { return Is64Bit; }
71 bool isGigaProcessor() const { return IsGigaProcessor; }
73 } // End llvm namespace
75 #endif