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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 
22 namespace 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 
32 namespace 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 
SPARCCondCodeToString(SPCC::CondCodes CC)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