1 //===-- SparcMCInstLower.cpp - Convert Sparc MachineInstr to MCInst -------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains code to lower Sparc MachineInstrs to their corresponding
13 //===----------------------------------------------------------------------===//
16 #include "MCTargetDesc/SparcBaseInfo.h"
17 #include "MCTargetDesc/SparcMCExpr.h"
18 #include "llvm/ADT/SmallString.h"
19 #include "llvm/CodeGen/AsmPrinter.h"
20 #include "llvm/CodeGen/MachineFunction.h"
21 #include "llvm/CodeGen/MachineInstr.h"
22 #include "llvm/CodeGen/MachineOperand.h"
23 #include "llvm/IR/Mangler.h"
24 #include "llvm/MC/MCAsmInfo.h"
25 #include "llvm/MC/MCContext.h"
26 #include "llvm/MC/MCExpr.h"
27 #include "llvm/MC/MCInst.h"
32 static MCOperand LowerSymbolOperand(const MachineInstr *MI,
33 const MachineOperand &MO,
36 SparcMCExpr::VariantKind Kind;
37 const MCSymbol *Symbol = 0;
39 unsigned TF = MO.getTargetFlags();
42 default: llvm_unreachable("Unknown target flags on operand");
43 case SPII::MO_NO_FLAG: Kind = SparcMCExpr::VK_Sparc_None; break;
44 case SPII::MO_LO: Kind = SparcMCExpr::VK_Sparc_LO; break;
45 case SPII::MO_HI: Kind = SparcMCExpr::VK_Sparc_HI; break;
46 case SPII::MO_H44: Kind = SparcMCExpr::VK_Sparc_H44; break;
47 case SPII::MO_M44: Kind = SparcMCExpr::VK_Sparc_M44; break;
48 case SPII::MO_L44: Kind = SparcMCExpr::VK_Sparc_L44; break;
49 case SPII::MO_HH: Kind = SparcMCExpr::VK_Sparc_HH; break;
50 case SPII::MO_HM: Kind = SparcMCExpr::VK_Sparc_HM; break;
51 case SPII::MO_TLS_GD_HI22: Kind = SparcMCExpr::VK_Sparc_TLS_GD_HI22; break;
52 case SPII::MO_TLS_GD_LO10: Kind = SparcMCExpr::VK_Sparc_TLS_GD_LO10; break;
53 case SPII::MO_TLS_GD_ADD: Kind = SparcMCExpr::VK_Sparc_TLS_GD_ADD; break;
54 case SPII::MO_TLS_GD_CALL: Kind = SparcMCExpr::VK_Sparc_TLS_GD_CALL; break;
55 case SPII::MO_TLS_LDM_HI22: Kind = SparcMCExpr::VK_Sparc_TLS_LDM_HI22; break;
56 case SPII::MO_TLS_LDM_LO10: Kind = SparcMCExpr::VK_Sparc_TLS_LDM_LO10; break;
57 case SPII::MO_TLS_LDM_ADD: Kind = SparcMCExpr::VK_Sparc_TLS_LDM_ADD; break;
58 case SPII::MO_TLS_LDM_CALL: Kind = SparcMCExpr::VK_Sparc_TLS_LDM_CALL; break;
59 case SPII::MO_TLS_LDO_HIX22:Kind = SparcMCExpr::VK_Sparc_TLS_LDO_HIX22; break;
60 case SPII::MO_TLS_LDO_LOX10:Kind = SparcMCExpr::VK_Sparc_TLS_LDO_LOX10; break;
61 case SPII::MO_TLS_LDO_ADD: Kind = SparcMCExpr::VK_Sparc_TLS_LDO_ADD; break;
62 case SPII::MO_TLS_IE_HI22: Kind = SparcMCExpr::VK_Sparc_TLS_IE_HI22; break;
63 case SPII::MO_TLS_IE_LO10: Kind = SparcMCExpr::VK_Sparc_TLS_IE_LO10; break;
64 case SPII::MO_TLS_IE_LD: Kind = SparcMCExpr::VK_Sparc_TLS_IE_LD; break;
65 case SPII::MO_TLS_IE_LDX: Kind = SparcMCExpr::VK_Sparc_TLS_IE_LDX; break;
66 case SPII::MO_TLS_IE_ADD: Kind = SparcMCExpr::VK_Sparc_TLS_IE_ADD; break;
67 case SPII::MO_TLS_LE_HIX22: Kind = SparcMCExpr::VK_Sparc_TLS_LE_HIX22; break;
68 case SPII::MO_TLS_LE_LOX10: Kind = SparcMCExpr::VK_Sparc_TLS_LE_LOX10; break;
71 switch(MO.getType()) {
72 default: llvm_unreachable("Unknown type in LowerSymbolOperand");
73 case MachineOperand::MO_MachineBasicBlock:
74 Symbol = MO.getMBB()->getSymbol();
77 case MachineOperand::MO_GlobalAddress:
78 Symbol = AP.getSymbol(MO.getGlobal());
81 case MachineOperand::MO_BlockAddress:
82 Symbol = AP.GetBlockAddressSymbol(MO.getBlockAddress());
85 case MachineOperand::MO_ExternalSymbol:
86 Symbol = AP.GetExternalSymbolSymbol(MO.getSymbolName());
89 case MachineOperand::MO_ConstantPoolIndex:
90 Symbol = AP.GetCPISymbol(MO.getIndex());
94 const MCSymbolRefExpr *MCSym = MCSymbolRefExpr::Create(Symbol,
96 const SparcMCExpr *expr = SparcMCExpr::Create(Kind, MCSym,
98 return MCOperand::CreateExpr(expr);
101 static MCOperand LowerOperand(const MachineInstr *MI,
102 const MachineOperand &MO,
104 switch(MO.getType()) {
105 default: llvm_unreachable("unknown operand type"); break;
106 case MachineOperand::MO_Register:
109 return MCOperand::CreateReg(MO.getReg());
111 case MachineOperand::MO_Immediate:
112 return MCOperand::CreateImm(MO.getImm());
114 case MachineOperand::MO_MachineBasicBlock:
115 case MachineOperand::MO_GlobalAddress:
116 case MachineOperand::MO_BlockAddress:
117 case MachineOperand::MO_ExternalSymbol:
118 case MachineOperand::MO_ConstantPoolIndex:
119 return LowerSymbolOperand(MI, MO, AP);
121 case MachineOperand::MO_RegisterMask: break;
127 void llvm::LowerSparcMachineInstrToMCInst(const MachineInstr *MI,
132 OutMI.setOpcode(MI->getOpcode());
134 for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
135 const MachineOperand &MO = MI->getOperand(i);
136 MCOperand MCOp = LowerOperand(MI, MO, AP);
139 OutMI.addOperand(MCOp);