Sparc.h revision 1799921672835c49f6a29fc27d1840b7c36beabd 
1//===-- Sparc.h - Top-level interface for Sparc representation --*- 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 contains the entry points for global functions defined in the LLVM
11// Sparc back-end.
12//
13//===----------------------------------------------------------------------===//
14
15#ifndef TARGET_SPARC_H
16#define TARGET_SPARC_H
17
18#include "MCTargetDesc/SparcMCTargetDesc.h"
19#include "llvm/Support/ErrorHandling.h"
20#include "llvm/Target/TargetMachine.h"
21
22namespace llvm {
23  class FunctionPass;
24  class SparcTargetMachine;
25  class formatted_raw_ostream;
26
27  FunctionPass *createSparcISelDag(SparcTargetMachine &TM);
28  FunctionPass *createSparcDelaySlotFillerPass(TargetMachine &TM);
29
30} // end namespace llvm;
31
32namespace llvm {
33  // Enums corresponding to Sparc condition codes, both icc's and fcc's.  These
34  // values must be kept in sync with the ones in the .td file.
35  namespace SPCC {
36    enum CondCodes {
37      //ICC_A   =  8   ,  // Always
38      //ICC_N   =  0   ,  // Never
39      ICC_NE  =  9   ,  // Not Equal
40      ICC_E   =  1   ,  // Equal
41      ICC_G   = 10   ,  // Greater
42      ICC_LE  =  2   ,  // Less or Equal
43      ICC_GE  = 11   ,  // Greater or Equal
44      ICC_L   =  3   ,  // Less
45      ICC_GU  = 12   ,  // Greater Unsigned
46      ICC_LEU =  4   ,  // Less or Equal Unsigned
47      ICC_CC  = 13   ,  // Carry Clear/Great or Equal Unsigned
48      ICC_CS  =  5   ,  // Carry Set/Less Unsigned
49      ICC_POS = 14   ,  // Positive
50      ICC_NEG =  6   ,  // Negative
51      ICC_VC  = 15   ,  // Overflow Clear
52      ICC_VS  =  7   ,  // Overflow Set
53
54      //FCC_A   =  8+16,  // Always
55      //FCC_N   =  0+16,  // Never
56      FCC_U   =  7+16,  // Unordered
57      FCC_G   =  6+16,  // Greater
58      FCC_UG  =  5+16,  // Unordered or Greater
59      FCC_L   =  4+16,  // Less
60      FCC_UL  =  3+16,  // Unordered or Less
61      FCC_LG  =  2+16,  // Less or Greater
62      FCC_NE  =  1+16,  // Not Equal
63      FCC_E   =  9+16,  // Equal
64      FCC_UE  = 10+16,  // Unordered or Equal
65      FCC_GE  = 11+16,  // Greater or Equal
66      FCC_UGE = 12+16,  // Unordered or Greater or Equal
67      FCC_LE  = 13+16,  // Less or Equal
68      FCC_ULE = 14+16,  // Unordered or Less or Equal
69      FCC_O   = 15+16   // Ordered
70    };
71  }
72
73  inline static const char *SPARCCondCodeToString(SPCC::CondCodes CC) {
74    switch (CC) {
75    case SPCC::ICC_NE:  return "ne";
76    case SPCC::ICC_E:   return "e";
77    case SPCC::ICC_G:   return "g";
78    case SPCC::ICC_LE:  return "le";
79    case SPCC::ICC_GE:  return "ge";
80    case SPCC::ICC_L:   return "l";
81    case SPCC::ICC_GU:  return "gu";
82    case SPCC::ICC_LEU: return "leu";
83    case SPCC::ICC_CC:  return "cc";
84    case SPCC::ICC_CS:  return "cs";
85    case SPCC::ICC_POS: return "pos";
86    case SPCC::ICC_NEG: return "neg";
87    case SPCC::ICC_VC:  return "vc";
88    case SPCC::ICC_VS:  return "vs";
89    case SPCC::FCC_U:   return "u";
90    case SPCC::FCC_G:   return "g";
91    case SPCC::FCC_UG:  return "ug";
92    case SPCC::FCC_L:   return "l";
93    case SPCC::FCC_UL:  return "ul";
94    case SPCC::FCC_LG:  return "lg";
95    case SPCC::FCC_NE:  return "ne";
96    case SPCC::FCC_E:   return "e";
97    case SPCC::FCC_UE:  return "ue";
98    case SPCC::FCC_GE:  return "ge";
99    case SPCC::FCC_UGE: return "uge";
100    case SPCC::FCC_LE:  return "le";
101    case SPCC::FCC_ULE: return "ule";
102    case SPCC::FCC_O:   return "o";
103    }
104    llvm_unreachable("Invalid cond code");
105  }
106}  // end namespace llvm
107#endif
108