PPCSubtarget.h revision d401dff7966ca3ac644cddcda4f1e6d30074923e 
1//=====-- PowerPCSubtarget.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 X86 specific subclass of TargetSubtarget.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef POWERPCSUBTARGET_H
15#define POWERPCSUBTARGET_H
16
17#include "llvm/Target/TargetSubtarget.h"
18
19#include <string>
20
21namespace llvm {
22class Module;
23
24class PPCSubtarget : public TargetSubtarget {
25protected:
26  /// stackAlignment - The minimum alignment known to hold of the stack frame on
27  /// entry to the function and which must be maintained by every function.
28  unsigned StackAlignment;
29
30  /// Used by the ISel to turn in optimizations for POWER4-derived architectures
31  bool IsGigaProcessor;
32  bool Is64Bit;
33  bool HasFSQRT;
34  bool IsAIX;
35  bool IsDarwin;
36public:
37  /// This constructor initializes the data members to match that
38  /// of the specified module.
39  ///
40  PPCSubtarget(const Module &M, const std::string &FS);
41
42  /// getStackAlignment - Returns the minimum alignment known to hold of the
43  /// stack frame on entry to the function and which must be maintained by every
44  /// function for this subtarget.
45  unsigned getStackAlignment() const { return StackAlignment; }
46
47  bool hasFSQRT() const { return HasFSQRT; }
48
49  bool isAIX() const { return IsAIX; }
50  bool isDarwin() const { return IsDarwin; }
51  bool is64Bit() const { return Is64Bit; }
52  bool isGigaProcessor() const { return IsGigaProcessor; }
53};
54} // End llvm namespace
55
56#endif
57