1 //===-- ARMExpandPseudoInsts.cpp - Expand pseudo instructions -------------===//
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 a pass that expands pseudo instructions into target
11 // instructions to allow proper scheduling, if-conversion, and other late
12 // optimizations. This pass should be run after register allocation but before
13 // the post-regalloc scheduling pass.
15 //===----------------------------------------------------------------------===//
17 #define DEBUG_TYPE "arm-pseudo"
19 #include "ARMBaseInstrInfo.h"
20 #include "ARMBaseRegisterInfo.h"
21 #include "ARMMachineFunctionInfo.h"
22 #include "ARMRegisterInfo.h"
23 #include "MCTargetDesc/ARMAddressingModes.h"
24 #include "llvm/CodeGen/MachineFrameInfo.h"
25 #include "llvm/CodeGen/MachineFunctionPass.h"
26 #include "llvm/CodeGen/MachineInstrBuilder.h"
27 #include "llvm/Target/TargetFrameLowering.h"
28 #include "llvm/Target/TargetRegisterInfo.h"
29 #include "llvm/Support/CommandLine.h"
30 #include "llvm/Support/raw_ostream.h" // FIXME: for debug only. remove!
34 VerifyARMPseudo("verify-arm-pseudo-expand", cl::Hidden,
35 cl::desc("Verify machine code after expanding ARM pseudos"));
38 class ARMExpandPseudo : public MachineFunctionPass {
41 ARMExpandPseudo() : MachineFunctionPass(ID) {}
43 const ARMBaseInstrInfo *TII;
44 const TargetRegisterInfo *TRI;
45 const ARMSubtarget *STI;
48 virtual bool runOnMachineFunction(MachineFunction &Fn);
50 virtual const char *getPassName() const {
51 return "ARM pseudo instruction expansion pass";
55 void TransferImpOps(MachineInstr &OldMI,
56 MachineInstrBuilder &UseMI, MachineInstrBuilder &DefMI);
57 bool ExpandMI(MachineBasicBlock &MBB,
58 MachineBasicBlock::iterator MBBI);
59 bool ExpandMBB(MachineBasicBlock &MBB);
60 void ExpandVLD(MachineBasicBlock::iterator &MBBI);
61 void ExpandVST(MachineBasicBlock::iterator &MBBI);
62 void ExpandLaneOp(MachineBasicBlock::iterator &MBBI);
63 void ExpandVTBL(MachineBasicBlock::iterator &MBBI,
64 unsigned Opc, bool IsExt);
65 void ExpandMOV32BitImm(MachineBasicBlock &MBB,
66 MachineBasicBlock::iterator &MBBI);
68 char ARMExpandPseudo::ID = 0;
71 /// TransferImpOps - Transfer implicit operands on the pseudo instruction to
72 /// the instructions created from the expansion.
73 void ARMExpandPseudo::TransferImpOps(MachineInstr &OldMI,
74 MachineInstrBuilder &UseMI,
75 MachineInstrBuilder &DefMI) {
76 const MCInstrDesc &Desc = OldMI.getDesc();
77 for (unsigned i = Desc.getNumOperands(), e = OldMI.getNumOperands();
79 const MachineOperand &MO = OldMI.getOperand(i);
80 assert(MO.isReg() && MO.getReg());
89 // Constants for register spacing in NEON load/store instructions.
90 // For quad-register load-lane and store-lane pseudo instructors, the
91 // spacing is initially assumed to be EvenDblSpc, and that is changed to
92 // OddDblSpc depending on the lane number operand.
99 // Entries for NEON load/store information table. The table is sorted by
100 // PseudoOpc for fast binary-search lookups.
101 struct NEONLdStTableEntry {
106 bool hasWritebackOperand;
107 NEONRegSpacing RegSpacing;
108 unsigned char NumRegs; // D registers loaded or stored
109 unsigned char RegElts; // elements per D register; used for lane ops
110 // FIXME: Temporary flag to denote whether the real instruction takes
111 // a single register (like the encoding) or all of the registers in
112 // the list (like the asm syntax and the isel DAG). When all definitions
113 // are converted to take only the single encoded register, this will
115 bool copyAllListRegs;
117 // Comparison methods for binary search of the table.
118 bool operator<(const NEONLdStTableEntry &TE) const {
119 return PseudoOpc < TE.PseudoOpc;
121 friend bool operator<(const NEONLdStTableEntry &TE, unsigned PseudoOpc) {
122 return TE.PseudoOpc < PseudoOpc;
124 friend bool LLVM_ATTRIBUTE_UNUSED operator<(unsigned PseudoOpc,
125 const NEONLdStTableEntry &TE) {
126 return PseudoOpc < TE.PseudoOpc;
131 static const NEONLdStTableEntry NEONLdStTable[] = {
132 { ARM::VLD1DUPq16Pseudo, ARM::VLD1DUPq16, true, false, false, SingleSpc, 2, 4,false},
133 { ARM::VLD1DUPq16PseudoWB_fixed, ARM::VLD1DUPq16wb_fixed, true, true, true, SingleSpc, 2, 4,false},
134 { ARM::VLD1DUPq16PseudoWB_register, ARM::VLD1DUPq16wb_register, true, true, true, SingleSpc, 2, 4,false},
135 { ARM::VLD1DUPq32Pseudo, ARM::VLD1DUPq32, true, false, false, SingleSpc, 2, 2,false},
136 { ARM::VLD1DUPq32PseudoWB_fixed, ARM::VLD1DUPq32wb_fixed, true, true, false, SingleSpc, 2, 2,false},
137 { ARM::VLD1DUPq32PseudoWB_register, ARM::VLD1DUPq32wb_register, true, true, true, SingleSpc, 2, 2,false},
138 { ARM::VLD1DUPq8Pseudo, ARM::VLD1DUPq8, true, false, false, SingleSpc, 2, 8,false},
139 { ARM::VLD1DUPq8PseudoWB_fixed, ARM::VLD1DUPq8wb_fixed, true, true, false, SingleSpc, 2, 8,false},
140 { ARM::VLD1DUPq8PseudoWB_register, ARM::VLD1DUPq8wb_register, true, true, true, SingleSpc, 2, 8,false},
142 { ARM::VLD1LNq16Pseudo, ARM::VLD1LNd16, true, false, false, EvenDblSpc, 1, 4 ,true},
143 { ARM::VLD1LNq16Pseudo_UPD, ARM::VLD1LNd16_UPD, true, true, true, EvenDblSpc, 1, 4 ,true},
144 { ARM::VLD1LNq32Pseudo, ARM::VLD1LNd32, true, false, false, EvenDblSpc, 1, 2 ,true},
145 { ARM::VLD1LNq32Pseudo_UPD, ARM::VLD1LNd32_UPD, true, true, true, EvenDblSpc, 1, 2 ,true},
146 { ARM::VLD1LNq8Pseudo, ARM::VLD1LNd8, true, false, false, EvenDblSpc, 1, 8 ,true},
147 { ARM::VLD1LNq8Pseudo_UPD, ARM::VLD1LNd8_UPD, true, true, true, EvenDblSpc, 1, 8 ,true},
149 { ARM::VLD1d64QPseudo, ARM::VLD1d64Q, true, false, false, SingleSpc, 4, 1 ,false},
150 { ARM::VLD1d64TPseudo, ARM::VLD1d64T, true, false, false, SingleSpc, 3, 1 ,false},
152 { ARM::VLD2DUPd16Pseudo, ARM::VLD2DUPd16, true, false, false, SingleSpc, 2, 4,false},
153 { ARM::VLD2DUPd16PseudoWB_fixed, ARM::VLD2DUPd16wb_fixed, true, true, false, SingleSpc, 2, 4,false},
154 { ARM::VLD2DUPd16PseudoWB_register, ARM::VLD2DUPd16wb_register, true, true, true, SingleSpc, 2, 4,false},
155 { ARM::VLD2DUPd32Pseudo, ARM::VLD2DUPd32, true, false, false, SingleSpc, 2, 2,false},
156 { ARM::VLD2DUPd32PseudoWB_fixed, ARM::VLD2DUPd32wb_fixed, true, true, false, SingleSpc, 2, 2,false},
157 { ARM::VLD2DUPd32PseudoWB_register, ARM::VLD2DUPd32wb_register, true, true, true, SingleSpc, 2, 2,false},
158 { ARM::VLD2DUPd8Pseudo, ARM::VLD2DUPd8, true, false, false, SingleSpc, 2, 8,false},
159 { ARM::VLD2DUPd8PseudoWB_fixed, ARM::VLD2DUPd8wb_fixed, true, true, false, SingleSpc, 2, 8,false},
160 { ARM::VLD2DUPd8PseudoWB_register, ARM::VLD2DUPd8wb_register, true, true, true, SingleSpc, 2, 8,false},
162 { ARM::VLD2LNd16Pseudo, ARM::VLD2LNd16, true, false, false, SingleSpc, 2, 4 ,true},
163 { ARM::VLD2LNd16Pseudo_UPD, ARM::VLD2LNd16_UPD, true, true, true, SingleSpc, 2, 4 ,true},
164 { ARM::VLD2LNd32Pseudo, ARM::VLD2LNd32, true, false, false, SingleSpc, 2, 2 ,true},
165 { ARM::VLD2LNd32Pseudo_UPD, ARM::VLD2LNd32_UPD, true, true, true, SingleSpc, 2, 2 ,true},
166 { ARM::VLD2LNd8Pseudo, ARM::VLD2LNd8, true, false, false, SingleSpc, 2, 8 ,true},
167 { ARM::VLD2LNd8Pseudo_UPD, ARM::VLD2LNd8_UPD, true, true, true, SingleSpc, 2, 8 ,true},
168 { ARM::VLD2LNq16Pseudo, ARM::VLD2LNq16, true, false, false, EvenDblSpc, 2, 4 ,true},
169 { ARM::VLD2LNq16Pseudo_UPD, ARM::VLD2LNq16_UPD, true, true, true, EvenDblSpc, 2, 4 ,true},
170 { ARM::VLD2LNq32Pseudo, ARM::VLD2LNq32, true, false, false, EvenDblSpc, 2, 2 ,true},
171 { ARM::VLD2LNq32Pseudo_UPD, ARM::VLD2LNq32_UPD, true, true, true, EvenDblSpc, 2, 2 ,true},
173 { ARM::VLD2q16Pseudo, ARM::VLD2q16, true, false, false, SingleSpc, 4, 4 ,false},
174 { ARM::VLD2q16PseudoWB_fixed, ARM::VLD2q16wb_fixed, true, true, false, SingleSpc, 4, 4 ,false},
175 { ARM::VLD2q16PseudoWB_register, ARM::VLD2q16wb_register, true, true, true, SingleSpc, 4, 4 ,false},
176 { ARM::VLD2q32Pseudo, ARM::VLD2q32, true, false, false, SingleSpc, 4, 2 ,false},
177 { ARM::VLD2q32PseudoWB_fixed, ARM::VLD2q32wb_fixed, true, true, false, SingleSpc, 4, 2 ,false},
178 { ARM::VLD2q32PseudoWB_register, ARM::VLD2q32wb_register, true, true, true, SingleSpc, 4, 2 ,false},
179 { ARM::VLD2q8Pseudo, ARM::VLD2q8, true, false, false, SingleSpc, 4, 8 ,false},
180 { ARM::VLD2q8PseudoWB_fixed, ARM::VLD2q8wb_fixed, true, true, false, SingleSpc, 4, 8 ,false},
181 { ARM::VLD2q8PseudoWB_register, ARM::VLD2q8wb_register, true, true, true, SingleSpc, 4, 8 ,false},
183 { ARM::VLD3DUPd16Pseudo, ARM::VLD3DUPd16, true, false, false, SingleSpc, 3, 4,true},
184 { ARM::VLD3DUPd16Pseudo_UPD, ARM::VLD3DUPd16_UPD, true, true, true, SingleSpc, 3, 4,true},
185 { ARM::VLD3DUPd32Pseudo, ARM::VLD3DUPd32, true, false, false, SingleSpc, 3, 2,true},
186 { ARM::VLD3DUPd32Pseudo_UPD, ARM::VLD3DUPd32_UPD, true, true, true, SingleSpc, 3, 2,true},
187 { ARM::VLD3DUPd8Pseudo, ARM::VLD3DUPd8, true, false, false, SingleSpc, 3, 8,true},
188 { ARM::VLD3DUPd8Pseudo_UPD, ARM::VLD3DUPd8_UPD, true, true, true, SingleSpc, 3, 8,true},
190 { ARM::VLD3LNd16Pseudo, ARM::VLD3LNd16, true, false, false, SingleSpc, 3, 4 ,true},
191 { ARM::VLD3LNd16Pseudo_UPD, ARM::VLD3LNd16_UPD, true, true, true, SingleSpc, 3, 4 ,true},
192 { ARM::VLD3LNd32Pseudo, ARM::VLD3LNd32, true, false, false, SingleSpc, 3, 2 ,true},
193 { ARM::VLD3LNd32Pseudo_UPD, ARM::VLD3LNd32_UPD, true, true, true, SingleSpc, 3, 2 ,true},
194 { ARM::VLD3LNd8Pseudo, ARM::VLD3LNd8, true, false, false, SingleSpc, 3, 8 ,true},
195 { ARM::VLD3LNd8Pseudo_UPD, ARM::VLD3LNd8_UPD, true, true, true, SingleSpc, 3, 8 ,true},
196 { ARM::VLD3LNq16Pseudo, ARM::VLD3LNq16, true, false, false, EvenDblSpc, 3, 4 ,true},
197 { ARM::VLD3LNq16Pseudo_UPD, ARM::VLD3LNq16_UPD, true, true, true, EvenDblSpc, 3, 4 ,true},
198 { ARM::VLD3LNq32Pseudo, ARM::VLD3LNq32, true, false, false, EvenDblSpc, 3, 2 ,true},
199 { ARM::VLD3LNq32Pseudo_UPD, ARM::VLD3LNq32_UPD, true, true, true, EvenDblSpc, 3, 2 ,true},
201 { ARM::VLD3d16Pseudo, ARM::VLD3d16, true, false, false, SingleSpc, 3, 4 ,true},
202 { ARM::VLD3d16Pseudo_UPD, ARM::VLD3d16_UPD, true, true, true, SingleSpc, 3, 4 ,true},
203 { ARM::VLD3d32Pseudo, ARM::VLD3d32, true, false, false, SingleSpc, 3, 2 ,true},
204 { ARM::VLD3d32Pseudo_UPD, ARM::VLD3d32_UPD, true, true, true, SingleSpc, 3, 2 ,true},
205 { ARM::VLD3d8Pseudo, ARM::VLD3d8, true, false, false, SingleSpc, 3, 8 ,true},
206 { ARM::VLD3d8Pseudo_UPD, ARM::VLD3d8_UPD, true, true, true, SingleSpc, 3, 8 ,true},
208 { ARM::VLD3q16Pseudo_UPD, ARM::VLD3q16_UPD, true, true, true, EvenDblSpc, 3, 4 ,true},
209 { ARM::VLD3q16oddPseudo, ARM::VLD3q16, true, false, false, OddDblSpc, 3, 4 ,true},
210 { ARM::VLD3q16oddPseudo_UPD, ARM::VLD3q16_UPD, true, true, true, OddDblSpc, 3, 4 ,true},
211 { ARM::VLD3q32Pseudo_UPD, ARM::VLD3q32_UPD, true, true, true, EvenDblSpc, 3, 2 ,true},
212 { ARM::VLD3q32oddPseudo, ARM::VLD3q32, true, false, false, OddDblSpc, 3, 2 ,true},
213 { ARM::VLD3q32oddPseudo_UPD, ARM::VLD3q32_UPD, true, true, true, OddDblSpc, 3, 2 ,true},
214 { ARM::VLD3q8Pseudo_UPD, ARM::VLD3q8_UPD, true, true, true, EvenDblSpc, 3, 8 ,true},
215 { ARM::VLD3q8oddPseudo, ARM::VLD3q8, true, false, false, OddDblSpc, 3, 8 ,true},
216 { ARM::VLD3q8oddPseudo_UPD, ARM::VLD3q8_UPD, true, true, true, OddDblSpc, 3, 8 ,true},
218 { ARM::VLD4DUPd16Pseudo, ARM::VLD4DUPd16, true, false, false, SingleSpc, 4, 4,true},
219 { ARM::VLD4DUPd16Pseudo_UPD, ARM::VLD4DUPd16_UPD, true, true, true, SingleSpc, 4, 4,true},
220 { ARM::VLD4DUPd32Pseudo, ARM::VLD4DUPd32, true, false, false, SingleSpc, 4, 2,true},
221 { ARM::VLD4DUPd32Pseudo_UPD, ARM::VLD4DUPd32_UPD, true, true, true, SingleSpc, 4, 2,true},
222 { ARM::VLD4DUPd8Pseudo, ARM::VLD4DUPd8, true, false, false, SingleSpc, 4, 8,true},
223 { ARM::VLD4DUPd8Pseudo_UPD, ARM::VLD4DUPd8_UPD, true, true, true, SingleSpc, 4, 8,true},
225 { ARM::VLD4LNd16Pseudo, ARM::VLD4LNd16, true, false, false, SingleSpc, 4, 4 ,true},
226 { ARM::VLD4LNd16Pseudo_UPD, ARM::VLD4LNd16_UPD, true, true, true, SingleSpc, 4, 4 ,true},
227 { ARM::VLD4LNd32Pseudo, ARM::VLD4LNd32, true, false, false, SingleSpc, 4, 2 ,true},
228 { ARM::VLD4LNd32Pseudo_UPD, ARM::VLD4LNd32_UPD, true, true, true, SingleSpc, 4, 2 ,true},
229 { ARM::VLD4LNd8Pseudo, ARM::VLD4LNd8, true, false, false, SingleSpc, 4, 8 ,true},
230 { ARM::VLD4LNd8Pseudo_UPD, ARM::VLD4LNd8_UPD, true, true, true, SingleSpc, 4, 8 ,true},
231 { ARM::VLD4LNq16Pseudo, ARM::VLD4LNq16, true, false, false, EvenDblSpc, 4, 4 ,true},
232 { ARM::VLD4LNq16Pseudo_UPD, ARM::VLD4LNq16_UPD, true, true, true, EvenDblSpc, 4, 4 ,true},
233 { ARM::VLD4LNq32Pseudo, ARM::VLD4LNq32, true, false, false, EvenDblSpc, 4, 2 ,true},
234 { ARM::VLD4LNq32Pseudo_UPD, ARM::VLD4LNq32_UPD, true, true, true, EvenDblSpc, 4, 2 ,true},
236 { ARM::VLD4d16Pseudo, ARM::VLD4d16, true, false, false, SingleSpc, 4, 4 ,true},
237 { ARM::VLD4d16Pseudo_UPD, ARM::VLD4d16_UPD, true, true, true, SingleSpc, 4, 4 ,true},
238 { ARM::VLD4d32Pseudo, ARM::VLD4d32, true, false, false, SingleSpc, 4, 2 ,true},
239 { ARM::VLD4d32Pseudo_UPD, ARM::VLD4d32_UPD, true, true, true, SingleSpc, 4, 2 ,true},
240 { ARM::VLD4d8Pseudo, ARM::VLD4d8, true, false, false, SingleSpc, 4, 8 ,true},
241 { ARM::VLD4d8Pseudo_UPD, ARM::VLD4d8_UPD, true, true, true, SingleSpc, 4, 8 ,true},
243 { ARM::VLD4q16Pseudo_UPD, ARM::VLD4q16_UPD, true, true, true, EvenDblSpc, 4, 4 ,true},
244 { ARM::VLD4q16oddPseudo, ARM::VLD4q16, true, false, false, OddDblSpc, 4, 4 ,true},
245 { ARM::VLD4q16oddPseudo_UPD, ARM::VLD4q16_UPD, true, true, true, OddDblSpc, 4, 4 ,true},
246 { ARM::VLD4q32Pseudo_UPD, ARM::VLD4q32_UPD, true, true, true, EvenDblSpc, 4, 2 ,true},
247 { ARM::VLD4q32oddPseudo, ARM::VLD4q32, true, false, false, OddDblSpc, 4, 2 ,true},
248 { ARM::VLD4q32oddPseudo_UPD, ARM::VLD4q32_UPD, true, true, true, OddDblSpc, 4, 2 ,true},
249 { ARM::VLD4q8Pseudo_UPD, ARM::VLD4q8_UPD, true, true, true, EvenDblSpc, 4, 8 ,true},
250 { ARM::VLD4q8oddPseudo, ARM::VLD4q8, true, false, false, OddDblSpc, 4, 8 ,true},
251 { ARM::VLD4q8oddPseudo_UPD, ARM::VLD4q8_UPD, true, true, true, OddDblSpc, 4, 8 ,true},
253 { ARM::VST1LNq16Pseudo, ARM::VST1LNd16, false, false, false, EvenDblSpc, 1, 4 ,true},
254 { ARM::VST1LNq16Pseudo_UPD, ARM::VST1LNd16_UPD, false, true, true, EvenDblSpc, 1, 4 ,true},
255 { ARM::VST1LNq32Pseudo, ARM::VST1LNd32, false, false, false, EvenDblSpc, 1, 2 ,true},
256 { ARM::VST1LNq32Pseudo_UPD, ARM::VST1LNd32_UPD, false, true, true, EvenDblSpc, 1, 2 ,true},
257 { ARM::VST1LNq8Pseudo, ARM::VST1LNd8, false, false, false, EvenDblSpc, 1, 8 ,true},
258 { ARM::VST1LNq8Pseudo_UPD, ARM::VST1LNd8_UPD, false, true, true, EvenDblSpc, 1, 8 ,true},
260 { ARM::VST1d64QPseudo, ARM::VST1d64Q, false, false, false, SingleSpc, 4, 1 ,false},
261 { ARM::VST1d64QPseudoWB_fixed, ARM::VST1d64Qwb_fixed, false, true, false, SingleSpc, 4, 1 ,false},
262 { ARM::VST1d64QPseudoWB_register, ARM::VST1d64Qwb_register, false, true, true, SingleSpc, 4, 1 ,false},
263 { ARM::VST1d64TPseudo, ARM::VST1d64T, false, false, false, SingleSpc, 3, 1 ,false},
264 { ARM::VST1d64TPseudoWB_fixed, ARM::VST1d64Twb_fixed, false, true, false, SingleSpc, 3, 1 ,false},
265 { ARM::VST1d64TPseudoWB_register, ARM::VST1d64Twb_register, false, true, true, SingleSpc, 3, 1 ,false},
267 { ARM::VST2LNd16Pseudo, ARM::VST2LNd16, false, false, false, SingleSpc, 2, 4 ,true},
268 { ARM::VST2LNd16Pseudo_UPD, ARM::VST2LNd16_UPD, false, true, true, SingleSpc, 2, 4 ,true},
269 { ARM::VST2LNd32Pseudo, ARM::VST2LNd32, false, false, false, SingleSpc, 2, 2 ,true},
270 { ARM::VST2LNd32Pseudo_UPD, ARM::VST2LNd32_UPD, false, true, true, SingleSpc, 2, 2 ,true},
271 { ARM::VST2LNd8Pseudo, ARM::VST2LNd8, false, false, false, SingleSpc, 2, 8 ,true},
272 { ARM::VST2LNd8Pseudo_UPD, ARM::VST2LNd8_UPD, false, true, true, SingleSpc, 2, 8 ,true},
273 { ARM::VST2LNq16Pseudo, ARM::VST2LNq16, false, false, false, EvenDblSpc, 2, 4,true},
274 { ARM::VST2LNq16Pseudo_UPD, ARM::VST2LNq16_UPD, false, true, true, EvenDblSpc, 2, 4,true},
275 { ARM::VST2LNq32Pseudo, ARM::VST2LNq32, false, false, false, EvenDblSpc, 2, 2,true},
276 { ARM::VST2LNq32Pseudo_UPD, ARM::VST2LNq32_UPD, false, true, true, EvenDblSpc, 2, 2,true},
278 { ARM::VST2q16Pseudo, ARM::VST2q16, false, false, false, SingleSpc, 4, 4 ,false},
279 { ARM::VST2q16PseudoWB_fixed, ARM::VST2q16wb_fixed, false, true, false, SingleSpc, 4, 4 ,false},
280 { ARM::VST2q16PseudoWB_register, ARM::VST2q16wb_register, false, true, true, SingleSpc, 4, 4 ,false},
281 { ARM::VST2q32Pseudo, ARM::VST2q32, false, false, false, SingleSpc, 4, 2 ,false},
282 { ARM::VST2q32PseudoWB_fixed, ARM::VST2q32wb_fixed, false, true, false, SingleSpc, 4, 2 ,false},
283 { ARM::VST2q32PseudoWB_register, ARM::VST2q32wb_register, false, true, true, SingleSpc, 4, 2 ,false},
284 { ARM::VST2q8Pseudo, ARM::VST2q8, false, false, false, SingleSpc, 4, 8 ,false},
285 { ARM::VST2q8PseudoWB_fixed, ARM::VST2q8wb_fixed, false, true, false, SingleSpc, 4, 8 ,false},
286 { ARM::VST2q8PseudoWB_register, ARM::VST2q8wb_register, false, true, true, SingleSpc, 4, 8 ,false},
288 { ARM::VST3LNd16Pseudo, ARM::VST3LNd16, false, false, false, SingleSpc, 3, 4 ,true},
289 { ARM::VST3LNd16Pseudo_UPD, ARM::VST3LNd16_UPD, false, true, true, SingleSpc, 3, 4 ,true},
290 { ARM::VST3LNd32Pseudo, ARM::VST3LNd32, false, false, false, SingleSpc, 3, 2 ,true},
291 { ARM::VST3LNd32Pseudo_UPD, ARM::VST3LNd32_UPD, false, true, true, SingleSpc, 3, 2 ,true},
292 { ARM::VST3LNd8Pseudo, ARM::VST3LNd8, false, false, false, SingleSpc, 3, 8 ,true},
293 { ARM::VST3LNd8Pseudo_UPD, ARM::VST3LNd8_UPD, false, true, true, SingleSpc, 3, 8 ,true},
294 { ARM::VST3LNq16Pseudo, ARM::VST3LNq16, false, false, false, EvenDblSpc, 3, 4,true},
295 { ARM::VST3LNq16Pseudo_UPD, ARM::VST3LNq16_UPD, false, true, true, EvenDblSpc, 3, 4,true},
296 { ARM::VST3LNq32Pseudo, ARM::VST3LNq32, false, false, false, EvenDblSpc, 3, 2,true},
297 { ARM::VST3LNq32Pseudo_UPD, ARM::VST3LNq32_UPD, false, true, true, EvenDblSpc, 3, 2,true},
299 { ARM::VST3d16Pseudo, ARM::VST3d16, false, false, false, SingleSpc, 3, 4 ,true},
300 { ARM::VST3d16Pseudo_UPD, ARM::VST3d16_UPD, false, true, true, SingleSpc, 3, 4 ,true},
301 { ARM::VST3d32Pseudo, ARM::VST3d32, false, false, false, SingleSpc, 3, 2 ,true},
302 { ARM::VST3d32Pseudo_UPD, ARM::VST3d32_UPD, false, true, true, SingleSpc, 3, 2 ,true},
303 { ARM::VST3d8Pseudo, ARM::VST3d8, false, false, false, SingleSpc, 3, 8 ,true},
304 { ARM::VST3d8Pseudo_UPD, ARM::VST3d8_UPD, false, true, true, SingleSpc, 3, 8 ,true},
306 { ARM::VST3q16Pseudo_UPD, ARM::VST3q16_UPD, false, true, true, EvenDblSpc, 3, 4 ,true},
307 { ARM::VST3q16oddPseudo, ARM::VST3q16, false, false, false, OddDblSpc, 3, 4 ,true},
308 { ARM::VST3q16oddPseudo_UPD, ARM::VST3q16_UPD, false, true, true, OddDblSpc, 3, 4 ,true},
309 { ARM::VST3q32Pseudo_UPD, ARM::VST3q32_UPD, false, true, true, EvenDblSpc, 3, 2 ,true},
310 { ARM::VST3q32oddPseudo, ARM::VST3q32, false, false, false, OddDblSpc, 3, 2 ,true},
311 { ARM::VST3q32oddPseudo_UPD, ARM::VST3q32_UPD, false, true, true, OddDblSpc, 3, 2 ,true},
312 { ARM::VST3q8Pseudo_UPD, ARM::VST3q8_UPD, false, true, true, EvenDblSpc, 3, 8 ,true},
313 { ARM::VST3q8oddPseudo, ARM::VST3q8, false, false, false, OddDblSpc, 3, 8 ,true},
314 { ARM::VST3q8oddPseudo_UPD, ARM::VST3q8_UPD, false, true, true, OddDblSpc, 3, 8 ,true},
316 { ARM::VST4LNd16Pseudo, ARM::VST4LNd16, false, false, false, SingleSpc, 4, 4 ,true},
317 { ARM::VST4LNd16Pseudo_UPD, ARM::VST4LNd16_UPD, false, true, true, SingleSpc, 4, 4 ,true},
318 { ARM::VST4LNd32Pseudo, ARM::VST4LNd32, false, false, false, SingleSpc, 4, 2 ,true},
319 { ARM::VST4LNd32Pseudo_UPD, ARM::VST4LNd32_UPD, false, true, true, SingleSpc, 4, 2 ,true},
320 { ARM::VST4LNd8Pseudo, ARM::VST4LNd8, false, false, false, SingleSpc, 4, 8 ,true},
321 { ARM::VST4LNd8Pseudo_UPD, ARM::VST4LNd8_UPD, false, true, true, SingleSpc, 4, 8 ,true},
322 { ARM::VST4LNq16Pseudo, ARM::VST4LNq16, false, false, false, EvenDblSpc, 4, 4,true},
323 { ARM::VST4LNq16Pseudo_UPD, ARM::VST4LNq16_UPD, false, true, true, EvenDblSpc, 4, 4,true},
324 { ARM::VST4LNq32Pseudo, ARM::VST4LNq32, false, false, false, EvenDblSpc, 4, 2,true},
325 { ARM::VST4LNq32Pseudo_UPD, ARM::VST4LNq32_UPD, false, true, true, EvenDblSpc, 4, 2,true},
327 { ARM::VST4d16Pseudo, ARM::VST4d16, false, false, false, SingleSpc, 4, 4 ,true},
328 { ARM::VST4d16Pseudo_UPD, ARM::VST4d16_UPD, false, true, true, SingleSpc, 4, 4 ,true},
329 { ARM::VST4d32Pseudo, ARM::VST4d32, false, false, false, SingleSpc, 4, 2 ,true},
330 { ARM::VST4d32Pseudo_UPD, ARM::VST4d32_UPD, false, true, true, SingleSpc, 4, 2 ,true},
331 { ARM::VST4d8Pseudo, ARM::VST4d8, false, false, false, SingleSpc, 4, 8 ,true},
332 { ARM::VST4d8Pseudo_UPD, ARM::VST4d8_UPD, false, true, true, SingleSpc, 4, 8 ,true},
334 { ARM::VST4q16Pseudo_UPD, ARM::VST4q16_UPD, false, true, true, EvenDblSpc, 4, 4 ,true},
335 { ARM::VST4q16oddPseudo, ARM::VST4q16, false, false, false, OddDblSpc, 4, 4 ,true},
336 { ARM::VST4q16oddPseudo_UPD, ARM::VST4q16_UPD, false, true, true, OddDblSpc, 4, 4 ,true},
337 { ARM::VST4q32Pseudo_UPD, ARM::VST4q32_UPD, false, true, true, EvenDblSpc, 4, 2 ,true},
338 { ARM::VST4q32oddPseudo, ARM::VST4q32, false, false, false, OddDblSpc, 4, 2 ,true},
339 { ARM::VST4q32oddPseudo_UPD, ARM::VST4q32_UPD, false, true, true, OddDblSpc, 4, 2 ,true},
340 { ARM::VST4q8Pseudo_UPD, ARM::VST4q8_UPD, false, true, true, EvenDblSpc, 4, 8 ,true},
341 { ARM::VST4q8oddPseudo, ARM::VST4q8, false, false, false, OddDblSpc, 4, 8 ,true},
342 { ARM::VST4q8oddPseudo_UPD, ARM::VST4q8_UPD, false, true, true, OddDblSpc, 4, 8 ,true}
345 /// LookupNEONLdSt - Search the NEONLdStTable for information about a NEON
346 /// load or store pseudo instruction.
347 static const NEONLdStTableEntry *LookupNEONLdSt(unsigned Opcode) {
348 unsigned NumEntries = array_lengthof(NEONLdStTable);
351 // Make sure the table is sorted.
352 static bool TableChecked = false;
354 for (unsigned i = 0; i != NumEntries-1; ++i)
355 assert(NEONLdStTable[i] < NEONLdStTable[i+1] &&
356 "NEONLdStTable is not sorted!");
361 const NEONLdStTableEntry *I =
362 std::lower_bound(NEONLdStTable, NEONLdStTable + NumEntries, Opcode);
363 if (I != NEONLdStTable + NumEntries && I->PseudoOpc == Opcode)
368 /// GetDSubRegs - Get 4 D subregisters of a Q, QQ, or QQQQ register,
369 /// corresponding to the specified register spacing. Not all of the results
370 /// are necessarily valid, e.g., a Q register only has 2 D subregisters.
371 static void GetDSubRegs(unsigned Reg, NEONRegSpacing RegSpc,
372 const TargetRegisterInfo *TRI, unsigned &D0,
373 unsigned &D1, unsigned &D2, unsigned &D3) {
374 if (RegSpc == SingleSpc) {
375 D0 = TRI->getSubReg(Reg, ARM::dsub_0);
376 D1 = TRI->getSubReg(Reg, ARM::dsub_1);
377 D2 = TRI->getSubReg(Reg, ARM::dsub_2);
378 D3 = TRI->getSubReg(Reg, ARM::dsub_3);
379 } else if (RegSpc == EvenDblSpc) {
380 D0 = TRI->getSubReg(Reg, ARM::dsub_0);
381 D1 = TRI->getSubReg(Reg, ARM::dsub_2);
382 D2 = TRI->getSubReg(Reg, ARM::dsub_4);
383 D3 = TRI->getSubReg(Reg, ARM::dsub_6);
385 assert(RegSpc == OddDblSpc && "unknown register spacing");
386 D0 = TRI->getSubReg(Reg, ARM::dsub_1);
387 D1 = TRI->getSubReg(Reg, ARM::dsub_3);
388 D2 = TRI->getSubReg(Reg, ARM::dsub_5);
389 D3 = TRI->getSubReg(Reg, ARM::dsub_7);
393 /// ExpandVLD - Translate VLD pseudo instructions with Q, QQ or QQQQ register
394 /// operands to real VLD instructions with D register operands.
395 void ARMExpandPseudo::ExpandVLD(MachineBasicBlock::iterator &MBBI) {
396 MachineInstr &MI = *MBBI;
397 MachineBasicBlock &MBB = *MI.getParent();
399 const NEONLdStTableEntry *TableEntry = LookupNEONLdSt(MI.getOpcode());
400 assert(TableEntry && TableEntry->IsLoad && "NEONLdStTable lookup failed");
401 NEONRegSpacing RegSpc = TableEntry->RegSpacing;
402 unsigned NumRegs = TableEntry->NumRegs;
404 MachineInstrBuilder MIB = BuildMI(MBB, MBBI, MI.getDebugLoc(),
405 TII->get(TableEntry->RealOpc));
408 bool DstIsDead = MI.getOperand(OpIdx).isDead();
409 unsigned DstReg = MI.getOperand(OpIdx++).getReg();
410 unsigned D0, D1, D2, D3;
411 GetDSubRegs(DstReg, RegSpc, TRI, D0, D1, D2, D3);
412 MIB.addReg(D0, RegState::Define | getDeadRegState(DstIsDead));
413 if (NumRegs > 1 && TableEntry->copyAllListRegs)
414 MIB.addReg(D1, RegState::Define | getDeadRegState(DstIsDead));
415 if (NumRegs > 2 && TableEntry->copyAllListRegs)
416 MIB.addReg(D2, RegState::Define | getDeadRegState(DstIsDead));
417 if (NumRegs > 3 && TableEntry->copyAllListRegs)
418 MIB.addReg(D3, RegState::Define | getDeadRegState(DstIsDead));
420 if (TableEntry->isUpdating)
421 MIB.addOperand(MI.getOperand(OpIdx++));
423 // Copy the addrmode6 operands.
424 MIB.addOperand(MI.getOperand(OpIdx++));
425 MIB.addOperand(MI.getOperand(OpIdx++));
426 // Copy the am6offset operand.
427 if (TableEntry->hasWritebackOperand)
428 MIB.addOperand(MI.getOperand(OpIdx++));
430 // For an instruction writing double-spaced subregs, the pseudo instruction
431 // has an extra operand that is a use of the super-register. Record the
432 // operand index and skip over it.
433 unsigned SrcOpIdx = 0;
434 if (RegSpc == EvenDblSpc || RegSpc == OddDblSpc)
437 // Copy the predicate operands.
438 MIB.addOperand(MI.getOperand(OpIdx++));
439 MIB.addOperand(MI.getOperand(OpIdx++));
441 // Copy the super-register source operand used for double-spaced subregs over
442 // to the new instruction as an implicit operand.
444 MachineOperand MO = MI.getOperand(SrcOpIdx);
445 MO.setImplicit(true);
448 // Add an implicit def for the super-register.
449 MIB.addReg(DstReg, RegState::ImplicitDefine | getDeadRegState(DstIsDead));
450 TransferImpOps(MI, MIB, MIB);
452 // Transfer memoperands.
453 MIB->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
455 MI.eraseFromParent();
458 /// ExpandVST - Translate VST pseudo instructions with Q, QQ or QQQQ register
459 /// operands to real VST instructions with D register operands.
460 void ARMExpandPseudo::ExpandVST(MachineBasicBlock::iterator &MBBI) {
461 MachineInstr &MI = *MBBI;
462 MachineBasicBlock &MBB = *MI.getParent();
464 const NEONLdStTableEntry *TableEntry = LookupNEONLdSt(MI.getOpcode());
465 assert(TableEntry && !TableEntry->IsLoad && "NEONLdStTable lookup failed");
466 NEONRegSpacing RegSpc = TableEntry->RegSpacing;
467 unsigned NumRegs = TableEntry->NumRegs;
469 MachineInstrBuilder MIB = BuildMI(MBB, MBBI, MI.getDebugLoc(),
470 TII->get(TableEntry->RealOpc));
472 if (TableEntry->isUpdating)
473 MIB.addOperand(MI.getOperand(OpIdx++));
475 // Copy the addrmode6 operands.
476 MIB.addOperand(MI.getOperand(OpIdx++));
477 MIB.addOperand(MI.getOperand(OpIdx++));
478 // Copy the am6offset operand.
479 if (TableEntry->hasWritebackOperand)
480 MIB.addOperand(MI.getOperand(OpIdx++));
482 bool SrcIsKill = MI.getOperand(OpIdx).isKill();
483 unsigned SrcReg = MI.getOperand(OpIdx++).getReg();
484 unsigned D0, D1, D2, D3;
485 GetDSubRegs(SrcReg, RegSpc, TRI, D0, D1, D2, D3);
487 if (NumRegs > 1 && TableEntry->copyAllListRegs)
489 if (NumRegs > 2 && TableEntry->copyAllListRegs)
491 if (NumRegs > 3 && TableEntry->copyAllListRegs)
494 // Copy the predicate operands.
495 MIB.addOperand(MI.getOperand(OpIdx++));
496 MIB.addOperand(MI.getOperand(OpIdx++));
498 if (SrcIsKill) // Add an implicit kill for the super-reg.
499 MIB->addRegisterKilled(SrcReg, TRI, true);
500 TransferImpOps(MI, MIB, MIB);
502 // Transfer memoperands.
503 MIB->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
505 MI.eraseFromParent();
508 /// ExpandLaneOp - Translate VLD*LN and VST*LN instructions with Q, QQ or QQQQ
509 /// register operands to real instructions with D register operands.
510 void ARMExpandPseudo::ExpandLaneOp(MachineBasicBlock::iterator &MBBI) {
511 MachineInstr &MI = *MBBI;
512 MachineBasicBlock &MBB = *MI.getParent();
514 const NEONLdStTableEntry *TableEntry = LookupNEONLdSt(MI.getOpcode());
515 assert(TableEntry && "NEONLdStTable lookup failed");
516 NEONRegSpacing RegSpc = TableEntry->RegSpacing;
517 unsigned NumRegs = TableEntry->NumRegs;
518 unsigned RegElts = TableEntry->RegElts;
520 MachineInstrBuilder MIB = BuildMI(MBB, MBBI, MI.getDebugLoc(),
521 TII->get(TableEntry->RealOpc));
523 // The lane operand is always the 3rd from last operand, before the 2
524 // predicate operands.
525 unsigned Lane = MI.getOperand(MI.getDesc().getNumOperands() - 3).getImm();
527 // Adjust the lane and spacing as needed for Q registers.
528 assert(RegSpc != OddDblSpc && "unexpected register spacing for VLD/VST-lane");
529 if (RegSpc == EvenDblSpc && Lane >= RegElts) {
533 assert(Lane < RegElts && "out of range lane for VLD/VST-lane");
535 unsigned D0 = 0, D1 = 0, D2 = 0, D3 = 0;
537 bool DstIsDead = false;
538 if (TableEntry->IsLoad) {
539 DstIsDead = MI.getOperand(OpIdx).isDead();
540 DstReg = MI.getOperand(OpIdx++).getReg();
541 GetDSubRegs(DstReg, RegSpc, TRI, D0, D1, D2, D3);
542 MIB.addReg(D0, RegState::Define | getDeadRegState(DstIsDead));
544 MIB.addReg(D1, RegState::Define | getDeadRegState(DstIsDead));
546 MIB.addReg(D2, RegState::Define | getDeadRegState(DstIsDead));
548 MIB.addReg(D3, RegState::Define | getDeadRegState(DstIsDead));
551 if (TableEntry->isUpdating)
552 MIB.addOperand(MI.getOperand(OpIdx++));
554 // Copy the addrmode6 operands.
555 MIB.addOperand(MI.getOperand(OpIdx++));
556 MIB.addOperand(MI.getOperand(OpIdx++));
557 // Copy the am6offset operand.
558 if (TableEntry->hasWritebackOperand)
559 MIB.addOperand(MI.getOperand(OpIdx++));
561 // Grab the super-register source.
562 MachineOperand MO = MI.getOperand(OpIdx++);
563 if (!TableEntry->IsLoad)
564 GetDSubRegs(MO.getReg(), RegSpc, TRI, D0, D1, D2, D3);
566 // Add the subregs as sources of the new instruction.
567 unsigned SrcFlags = (getUndefRegState(MO.isUndef()) |
568 getKillRegState(MO.isKill()));
569 MIB.addReg(D0, SrcFlags);
571 MIB.addReg(D1, SrcFlags);
573 MIB.addReg(D2, SrcFlags);
575 MIB.addReg(D3, SrcFlags);
577 // Add the lane number operand.
581 // Copy the predicate operands.
582 MIB.addOperand(MI.getOperand(OpIdx++));
583 MIB.addOperand(MI.getOperand(OpIdx++));
585 // Copy the super-register source to be an implicit source.
586 MO.setImplicit(true);
588 if (TableEntry->IsLoad)
589 // Add an implicit def for the super-register.
590 MIB.addReg(DstReg, RegState::ImplicitDefine | getDeadRegState(DstIsDead));
591 TransferImpOps(MI, MIB, MIB);
592 // Transfer memoperands.
593 MIB->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
594 MI.eraseFromParent();
597 /// ExpandVTBL - Translate VTBL and VTBX pseudo instructions with Q or QQ
598 /// register operands to real instructions with D register operands.
599 void ARMExpandPseudo::ExpandVTBL(MachineBasicBlock::iterator &MBBI,
600 unsigned Opc, bool IsExt) {
601 MachineInstr &MI = *MBBI;
602 MachineBasicBlock &MBB = *MI.getParent();
604 MachineInstrBuilder MIB = BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(Opc));
607 // Transfer the destination register operand.
608 MIB.addOperand(MI.getOperand(OpIdx++));
610 MIB.addOperand(MI.getOperand(OpIdx++));
612 bool SrcIsKill = MI.getOperand(OpIdx).isKill();
613 unsigned SrcReg = MI.getOperand(OpIdx++).getReg();
614 unsigned D0, D1, D2, D3;
615 GetDSubRegs(SrcReg, SingleSpc, TRI, D0, D1, D2, D3);
618 // Copy the other source register operand.
619 MIB.addOperand(MI.getOperand(OpIdx++));
621 // Copy the predicate operands.
622 MIB.addOperand(MI.getOperand(OpIdx++));
623 MIB.addOperand(MI.getOperand(OpIdx++));
625 if (SrcIsKill) // Add an implicit kill for the super-reg.
626 MIB->addRegisterKilled(SrcReg, TRI, true);
627 TransferImpOps(MI, MIB, MIB);
628 MI.eraseFromParent();
631 void ARMExpandPseudo::ExpandMOV32BitImm(MachineBasicBlock &MBB,
632 MachineBasicBlock::iterator &MBBI) {
633 MachineInstr &MI = *MBBI;
634 unsigned Opcode = MI.getOpcode();
635 unsigned PredReg = 0;
636 ARMCC::CondCodes Pred = llvm::getInstrPredicate(&MI, PredReg);
637 unsigned DstReg = MI.getOperand(0).getReg();
638 bool DstIsDead = MI.getOperand(0).isDead();
639 bool isCC = Opcode == ARM::MOVCCi32imm || Opcode == ARM::t2MOVCCi32imm;
640 const MachineOperand &MO = MI.getOperand(isCC ? 2 : 1);
641 MachineInstrBuilder LO16, HI16;
643 if (!STI->hasV6T2Ops() &&
644 (Opcode == ARM::MOVi32imm || Opcode == ARM::MOVCCi32imm)) {
645 // Expand into a movi + orr.
646 LO16 = BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MOVi), DstReg);
647 HI16 = BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::ORRri))
648 .addReg(DstReg, RegState::Define | getDeadRegState(DstIsDead))
651 assert (MO.isImm() && "MOVi32imm w/ non-immediate source operand!");
652 unsigned ImmVal = (unsigned)MO.getImm();
653 unsigned SOImmValV1 = ARM_AM::getSOImmTwoPartFirst(ImmVal);
654 unsigned SOImmValV2 = ARM_AM::getSOImmTwoPartSecond(ImmVal);
655 LO16 = LO16.addImm(SOImmValV1);
656 HI16 = HI16.addImm(SOImmValV2);
657 LO16->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
658 HI16->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
659 LO16.addImm(Pred).addReg(PredReg).addReg(0);
660 HI16.addImm(Pred).addReg(PredReg).addReg(0);
661 TransferImpOps(MI, LO16, HI16);
662 MI.eraseFromParent();
666 unsigned LO16Opc = 0;
667 unsigned HI16Opc = 0;
668 if (Opcode == ARM::t2MOVi32imm || Opcode == ARM::t2MOVCCi32imm) {
669 LO16Opc = ARM::t2MOVi16;
670 HI16Opc = ARM::t2MOVTi16;
672 LO16Opc = ARM::MOVi16;
673 HI16Opc = ARM::MOVTi16;
676 LO16 = BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(LO16Opc), DstReg);
677 HI16 = BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(HI16Opc))
678 .addReg(DstReg, RegState::Define | getDeadRegState(DstIsDead))
682 unsigned Imm = MO.getImm();
683 unsigned Lo16 = Imm & 0xffff;
684 unsigned Hi16 = (Imm >> 16) & 0xffff;
685 LO16 = LO16.addImm(Lo16);
686 HI16 = HI16.addImm(Hi16);
688 const GlobalValue *GV = MO.getGlobal();
689 unsigned TF = MO.getTargetFlags();
690 LO16 = LO16.addGlobalAddress(GV, MO.getOffset(), TF | ARMII::MO_LO16);
691 HI16 = HI16.addGlobalAddress(GV, MO.getOffset(), TF | ARMII::MO_HI16);
694 LO16->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
695 HI16->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
696 LO16.addImm(Pred).addReg(PredReg);
697 HI16.addImm(Pred).addReg(PredReg);
699 TransferImpOps(MI, LO16, HI16);
700 MI.eraseFromParent();
703 bool ARMExpandPseudo::ExpandMI(MachineBasicBlock &MBB,
704 MachineBasicBlock::iterator MBBI) {
705 MachineInstr &MI = *MBBI;
706 unsigned Opcode = MI.getOpcode();
712 unsigned newOpc = Opcode == ARM::VMOVScc ? ARM::VMOVS : ARM::VMOVD;
713 BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(newOpc),
714 MI.getOperand(1).getReg())
715 .addReg(MI.getOperand(2).getReg(),
716 getKillRegState(MI.getOperand(2).isKill()))
717 .addImm(MI.getOperand(3).getImm()) // 'pred'
718 .addReg(MI.getOperand(4).getReg());
720 MI.eraseFromParent();
725 unsigned Opc = AFI->isThumbFunction() ? ARM::t2MOVr : ARM::MOVr;
726 BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(Opc),
727 MI.getOperand(1).getReg())
728 .addReg(MI.getOperand(2).getReg(),
729 getKillRegState(MI.getOperand(2).isKill()))
730 .addImm(MI.getOperand(3).getImm()) // 'pred'
731 .addReg(MI.getOperand(4).getReg())
732 .addReg(0); // 's' bit
734 MI.eraseFromParent();
738 BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MOVsi),
739 (MI.getOperand(1).getReg()))
740 .addReg(MI.getOperand(2).getReg(),
741 getKillRegState(MI.getOperand(2).isKill()))
742 .addImm(MI.getOperand(3).getImm())
743 .addImm(MI.getOperand(4).getImm()) // 'pred'
744 .addReg(MI.getOperand(5).getReg())
745 .addReg(0); // 's' bit
747 MI.eraseFromParent();
752 BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MOVsr),
753 (MI.getOperand(1).getReg()))
754 .addReg(MI.getOperand(2).getReg(),
755 getKillRegState(MI.getOperand(2).isKill()))
756 .addReg(MI.getOperand(3).getReg(),
757 getKillRegState(MI.getOperand(3).isKill()))
758 .addImm(MI.getOperand(4).getImm())
759 .addImm(MI.getOperand(5).getImm()) // 'pred'
760 .addReg(MI.getOperand(6).getReg())
761 .addReg(0); // 's' bit
763 MI.eraseFromParent();
766 case ARM::MOVCCi16: {
767 BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MOVi16),
768 MI.getOperand(1).getReg())
769 .addImm(MI.getOperand(2).getImm())
770 .addImm(MI.getOperand(3).getImm()) // 'pred'
771 .addReg(MI.getOperand(4).getReg());
773 MI.eraseFromParent();
778 unsigned Opc = AFI->isThumbFunction() ? ARM::t2MOVi : ARM::MOVi;
779 BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(Opc),
780 MI.getOperand(1).getReg())
781 .addImm(MI.getOperand(2).getImm())
782 .addImm(MI.getOperand(3).getImm()) // 'pred'
783 .addReg(MI.getOperand(4).getReg())
784 .addReg(0); // 's' bit
786 MI.eraseFromParent();
790 BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MVNi),
791 MI.getOperand(1).getReg())
792 .addImm(MI.getOperand(2).getImm())
793 .addImm(MI.getOperand(3).getImm()) // 'pred'
794 .addReg(MI.getOperand(4).getReg())
795 .addReg(0); // 's' bit
797 MI.eraseFromParent();
800 case ARM::Int_eh_sjlj_dispatchsetup:
801 case ARM::Int_eh_sjlj_dispatchsetup_nofp:
802 case ARM::tInt_eh_sjlj_dispatchsetup: {
803 MachineFunction &MF = *MI.getParent()->getParent();
804 const ARMBaseInstrInfo *AII =
805 static_cast<const ARMBaseInstrInfo*>(TII);
806 const ARMBaseRegisterInfo &RI = AII->getRegisterInfo();
807 // For functions using a base pointer, we rematerialize it (via the frame
808 // pointer) here since eh.sjlj.setjmp and eh.sjlj.longjmp don't do it
809 // for us. Otherwise, expand to nothing.
810 if (RI.hasBasePointer(MF)) {
811 int32_t NumBytes = AFI->getFramePtrSpillOffset();
812 unsigned FramePtr = RI.getFrameRegister(MF);
813 assert(MF.getTarget().getFrameLowering()->hasFP(MF) &&
814 "base pointer without frame pointer?");
816 if (AFI->isThumb2Function()) {
817 llvm::emitT2RegPlusImmediate(MBB, MBBI, MI.getDebugLoc(), ARM::R6,
818 FramePtr, -NumBytes, ARMCC::AL, 0, *TII);
819 } else if (AFI->isThumbFunction()) {
820 llvm::emitThumbRegPlusImmediate(MBB, MBBI, MI.getDebugLoc(), ARM::R6,
821 FramePtr, -NumBytes, *TII, RI);
823 llvm::emitARMRegPlusImmediate(MBB, MBBI, MI.getDebugLoc(), ARM::R6,
824 FramePtr, -NumBytes, ARMCC::AL, 0,
827 // If there's dynamic realignment, adjust for it.
828 if (RI.needsStackRealignment(MF)) {
829 MachineFrameInfo *MFI = MF.getFrameInfo();
830 unsigned MaxAlign = MFI->getMaxAlignment();
831 assert (!AFI->isThumb1OnlyFunction());
832 // Emit bic r6, r6, MaxAlign
833 unsigned bicOpc = AFI->isThumbFunction() ?
834 ARM::t2BICri : ARM::BICri;
835 AddDefaultCC(AddDefaultPred(BuildMI(MBB, MBBI, MI.getDebugLoc(),
836 TII->get(bicOpc), ARM::R6)
837 .addReg(ARM::R6, RegState::Kill)
838 .addImm(MaxAlign-1)));
842 MI.eraseFromParent();
846 case ARM::MOVsrl_flag:
847 case ARM::MOVsra_flag: {
848 // These are just fancy MOVs insructions.
849 AddDefaultPred(BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MOVsi),
850 MI.getOperand(0).getReg())
851 .addOperand(MI.getOperand(1))
852 .addImm(ARM_AM::getSORegOpc((Opcode == ARM::MOVsrl_flag ?
853 ARM_AM::lsr : ARM_AM::asr),
855 .addReg(ARM::CPSR, RegState::Define);
856 MI.eraseFromParent();
860 // This encodes as "MOVs Rd, Rm, rrx
861 MachineInstrBuilder MIB =
862 AddDefaultPred(BuildMI(MBB, MBBI, MI.getDebugLoc(),TII->get(ARM::MOVsi),
863 MI.getOperand(0).getReg())
864 .addOperand(MI.getOperand(1))
865 .addImm(ARM_AM::getSORegOpc(ARM_AM::rrx, 0)))
867 TransferImpOps(MI, MIB, MIB);
868 MI.eraseFromParent();
873 MachineInstrBuilder MIB =
874 BuildMI(MBB, MBBI, MI.getDebugLoc(),
875 TII->get(Opcode == ARM::tTPsoft ? ARM::tBL : ARM::BL))
876 .addExternalSymbol("__aeabi_read_tp", 0);
878 MIB->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
879 TransferImpOps(MI, MIB, MIB);
880 MI.eraseFromParent();
883 case ARM::tLDRpci_pic:
884 case ARM::t2LDRpci_pic: {
885 unsigned NewLdOpc = (Opcode == ARM::tLDRpci_pic)
886 ? ARM::tLDRpci : ARM::t2LDRpci;
887 unsigned DstReg = MI.getOperand(0).getReg();
888 bool DstIsDead = MI.getOperand(0).isDead();
889 MachineInstrBuilder MIB1 =
890 AddDefaultPred(BuildMI(MBB, MBBI, MI.getDebugLoc(),
891 TII->get(NewLdOpc), DstReg)
892 .addOperand(MI.getOperand(1)));
893 MIB1->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
894 MachineInstrBuilder MIB2 = BuildMI(MBB, MBBI, MI.getDebugLoc(),
895 TII->get(ARM::tPICADD))
896 .addReg(DstReg, RegState::Define | getDeadRegState(DstIsDead))
898 .addOperand(MI.getOperand(2));
899 TransferImpOps(MI, MIB1, MIB2);
900 MI.eraseFromParent();
904 case ARM::MOV_ga_dyn:
905 case ARM::MOV_ga_pcrel:
906 case ARM::MOV_ga_pcrel_ldr:
907 case ARM::t2MOV_ga_dyn:
908 case ARM::t2MOV_ga_pcrel: {
909 // Expand into movw + movw. Also "add pc" / ldr [pc] in PIC mode.
910 unsigned LabelId = AFI->createPICLabelUId();
911 unsigned DstReg = MI.getOperand(0).getReg();
912 bool DstIsDead = MI.getOperand(0).isDead();
913 const MachineOperand &MO1 = MI.getOperand(1);
914 const GlobalValue *GV = MO1.getGlobal();
915 unsigned TF = MO1.getTargetFlags();
916 bool isARM = (Opcode != ARM::t2MOV_ga_pcrel && Opcode!=ARM::t2MOV_ga_dyn);
917 bool isPIC = (Opcode != ARM::MOV_ga_dyn && Opcode != ARM::t2MOV_ga_dyn);
918 unsigned LO16Opc = isARM ? ARM::MOVi16_ga_pcrel : ARM::t2MOVi16_ga_pcrel;
919 unsigned HI16Opc = isARM ? ARM::MOVTi16_ga_pcrel :ARM::t2MOVTi16_ga_pcrel;
920 unsigned LO16TF = isPIC
921 ? ARMII::MO_LO16_NONLAZY_PIC : ARMII::MO_LO16_NONLAZY;
922 unsigned HI16TF = isPIC
923 ? ARMII::MO_HI16_NONLAZY_PIC : ARMII::MO_HI16_NONLAZY;
924 unsigned PICAddOpc = isARM
925 ? (Opcode == ARM::MOV_ga_pcrel_ldr ? ARM::PICLDR : ARM::PICADD)
927 MachineInstrBuilder MIB1 = BuildMI(MBB, MBBI, MI.getDebugLoc(),
928 TII->get(LO16Opc), DstReg)
929 .addGlobalAddress(GV, MO1.getOffset(), TF | LO16TF)
931 MachineInstrBuilder MIB2 = BuildMI(MBB, MBBI, MI.getDebugLoc(),
932 TII->get(HI16Opc), DstReg)
934 .addGlobalAddress(GV, MO1.getOffset(), TF | HI16TF)
937 TransferImpOps(MI, MIB1, MIB2);
938 MI.eraseFromParent();
942 MachineInstrBuilder MIB3 = BuildMI(MBB, MBBI, MI.getDebugLoc(),
944 .addReg(DstReg, RegState::Define | getDeadRegState(DstIsDead))
945 .addReg(DstReg).addImm(LabelId);
947 AddDefaultPred(MIB3);
948 if (Opcode == ARM::MOV_ga_pcrel_ldr)
949 MIB2->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
951 TransferImpOps(MI, MIB1, MIB3);
952 MI.eraseFromParent();
957 case ARM::MOVCCi32imm:
958 case ARM::t2MOVi32imm:
959 case ARM::t2MOVCCi32imm:
960 ExpandMOV32BitImm(MBB, MBBI);
964 unsigned NewOpc = ARM::VLDMDIA;
965 MachineInstrBuilder MIB =
966 BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(NewOpc));
969 // Grab the Q register destination.
970 bool DstIsDead = MI.getOperand(OpIdx).isDead();
971 unsigned DstReg = MI.getOperand(OpIdx++).getReg();
973 // Copy the source register.
974 MIB.addOperand(MI.getOperand(OpIdx++));
976 // Copy the predicate operands.
977 MIB.addOperand(MI.getOperand(OpIdx++));
978 MIB.addOperand(MI.getOperand(OpIdx++));
980 // Add the destination operands (D subregs).
981 unsigned D0 = TRI->getSubReg(DstReg, ARM::dsub_0);
982 unsigned D1 = TRI->getSubReg(DstReg, ARM::dsub_1);
983 MIB.addReg(D0, RegState::Define | getDeadRegState(DstIsDead))
984 .addReg(D1, RegState::Define | getDeadRegState(DstIsDead));
986 // Add an implicit def for the super-register.
987 MIB.addReg(DstReg, RegState::ImplicitDefine | getDeadRegState(DstIsDead));
988 TransferImpOps(MI, MIB, MIB);
989 MIB.setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
990 MI.eraseFromParent();
995 unsigned NewOpc = ARM::VSTMDIA;
996 MachineInstrBuilder MIB =
997 BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(NewOpc));
1000 // Grab the Q register source.
1001 bool SrcIsKill = MI.getOperand(OpIdx).isKill();
1002 unsigned SrcReg = MI.getOperand(OpIdx++).getReg();
1004 // Copy the destination register.
1005 MIB.addOperand(MI.getOperand(OpIdx++));
1007 // Copy the predicate operands.
1008 MIB.addOperand(MI.getOperand(OpIdx++));
1009 MIB.addOperand(MI.getOperand(OpIdx++));
1011 // Add the source operands (D subregs).
1012 unsigned D0 = TRI->getSubReg(SrcReg, ARM::dsub_0);
1013 unsigned D1 = TRI->getSubReg(SrcReg, ARM::dsub_1);
1014 MIB.addReg(D0).addReg(D1);
1016 if (SrcIsKill) // Add an implicit kill for the Q register.
1017 MIB->addRegisterKilled(SrcReg, TRI, true);
1019 TransferImpOps(MI, MIB, MIB);
1020 MIB.setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
1021 MI.eraseFromParent();
1026 unsigned NewOpc = Opcode == ARM::VDUPfqf ? ARM::VDUPLN32q :
1028 MachineInstrBuilder MIB =
1029 BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(NewOpc));
1031 unsigned SrcReg = MI.getOperand(1).getReg();
1032 unsigned Lane = getARMRegisterNumbering(SrcReg) & 1;
1033 unsigned DReg = TRI->getMatchingSuperReg(SrcReg,
1034 Lane & 1 ? ARM::ssub_1 : ARM::ssub_0,
1035 &ARM::DPR_VFP2RegClass);
1036 // The lane is [0,1] for the containing DReg superregister.
1037 // Copy the dst/src register operands.
1038 MIB.addOperand(MI.getOperand(OpIdx++));
1041 // Add the lane select operand.
1043 // Add the predicate operands.
1044 MIB.addOperand(MI.getOperand(OpIdx++));
1045 MIB.addOperand(MI.getOperand(OpIdx++));
1047 TransferImpOps(MI, MIB, MIB);
1048 MI.eraseFromParent();
1052 case ARM::VLD2q8Pseudo:
1053 case ARM::VLD2q16Pseudo:
1054 case ARM::VLD2q32Pseudo:
1055 case ARM::VLD2q8PseudoWB_fixed:
1056 case ARM::VLD2q16PseudoWB_fixed:
1057 case ARM::VLD2q32PseudoWB_fixed:
1058 case ARM::VLD2q8PseudoWB_register:
1059 case ARM::VLD2q16PseudoWB_register:
1060 case ARM::VLD2q32PseudoWB_register:
1061 case ARM::VLD3d8Pseudo:
1062 case ARM::VLD3d16Pseudo:
1063 case ARM::VLD3d32Pseudo:
1064 case ARM::VLD1d64TPseudo:
1065 case ARM::VLD3d8Pseudo_UPD:
1066 case ARM::VLD3d16Pseudo_UPD:
1067 case ARM::VLD3d32Pseudo_UPD:
1068 case ARM::VLD3q8Pseudo_UPD:
1069 case ARM::VLD3q16Pseudo_UPD:
1070 case ARM::VLD3q32Pseudo_UPD:
1071 case ARM::VLD3q8oddPseudo:
1072 case ARM::VLD3q16oddPseudo:
1073 case ARM::VLD3q32oddPseudo:
1074 case ARM::VLD3q8oddPseudo_UPD:
1075 case ARM::VLD3q16oddPseudo_UPD:
1076 case ARM::VLD3q32oddPseudo_UPD:
1077 case ARM::VLD4d8Pseudo:
1078 case ARM::VLD4d16Pseudo:
1079 case ARM::VLD4d32Pseudo:
1080 case ARM::VLD1d64QPseudo:
1081 case ARM::VLD4d8Pseudo_UPD:
1082 case ARM::VLD4d16Pseudo_UPD:
1083 case ARM::VLD4d32Pseudo_UPD:
1084 case ARM::VLD4q8Pseudo_UPD:
1085 case ARM::VLD4q16Pseudo_UPD:
1086 case ARM::VLD4q32Pseudo_UPD:
1087 case ARM::VLD4q8oddPseudo:
1088 case ARM::VLD4q16oddPseudo:
1089 case ARM::VLD4q32oddPseudo:
1090 case ARM::VLD4q8oddPseudo_UPD:
1091 case ARM::VLD4q16oddPseudo_UPD:
1092 case ARM::VLD4q32oddPseudo_UPD:
1093 case ARM::VLD1DUPq8Pseudo:
1094 case ARM::VLD1DUPq16Pseudo:
1095 case ARM::VLD1DUPq32Pseudo:
1096 case ARM::VLD1DUPq8PseudoWB_fixed:
1097 case ARM::VLD1DUPq16PseudoWB_fixed:
1098 case ARM::VLD1DUPq32PseudoWB_fixed:
1099 case ARM::VLD1DUPq8PseudoWB_register:
1100 case ARM::VLD1DUPq16PseudoWB_register:
1101 case ARM::VLD1DUPq32PseudoWB_register:
1102 case ARM::VLD2DUPd8Pseudo:
1103 case ARM::VLD2DUPd16Pseudo:
1104 case ARM::VLD2DUPd32Pseudo:
1105 case ARM::VLD2DUPd8PseudoWB_fixed:
1106 case ARM::VLD2DUPd16PseudoWB_fixed:
1107 case ARM::VLD2DUPd32PseudoWB_fixed:
1108 case ARM::VLD2DUPd8PseudoWB_register:
1109 case ARM::VLD2DUPd16PseudoWB_register:
1110 case ARM::VLD2DUPd32PseudoWB_register:
1111 case ARM::VLD3DUPd8Pseudo:
1112 case ARM::VLD3DUPd16Pseudo:
1113 case ARM::VLD3DUPd32Pseudo:
1114 case ARM::VLD3DUPd8Pseudo_UPD:
1115 case ARM::VLD3DUPd16Pseudo_UPD:
1116 case ARM::VLD3DUPd32Pseudo_UPD:
1117 case ARM::VLD4DUPd8Pseudo:
1118 case ARM::VLD4DUPd16Pseudo:
1119 case ARM::VLD4DUPd32Pseudo:
1120 case ARM::VLD4DUPd8Pseudo_UPD:
1121 case ARM::VLD4DUPd16Pseudo_UPD:
1122 case ARM::VLD4DUPd32Pseudo_UPD:
1126 case ARM::VST2q8Pseudo:
1127 case ARM::VST2q16Pseudo:
1128 case ARM::VST2q32Pseudo:
1129 case ARM::VST2q8PseudoWB_fixed:
1130 case ARM::VST2q16PseudoWB_fixed:
1131 case ARM::VST2q32PseudoWB_fixed:
1132 case ARM::VST2q8PseudoWB_register:
1133 case ARM::VST2q16PseudoWB_register:
1134 case ARM::VST2q32PseudoWB_register:
1135 case ARM::VST3d8Pseudo:
1136 case ARM::VST3d16Pseudo:
1137 case ARM::VST3d32Pseudo:
1138 case ARM::VST1d64TPseudo:
1139 case ARM::VST3d8Pseudo_UPD:
1140 case ARM::VST3d16Pseudo_UPD:
1141 case ARM::VST3d32Pseudo_UPD:
1142 case ARM::VST1d64TPseudoWB_fixed:
1143 case ARM::VST1d64TPseudoWB_register:
1144 case ARM::VST3q8Pseudo_UPD:
1145 case ARM::VST3q16Pseudo_UPD:
1146 case ARM::VST3q32Pseudo_UPD:
1147 case ARM::VST3q8oddPseudo:
1148 case ARM::VST3q16oddPseudo:
1149 case ARM::VST3q32oddPseudo:
1150 case ARM::VST3q8oddPseudo_UPD:
1151 case ARM::VST3q16oddPseudo_UPD:
1152 case ARM::VST3q32oddPseudo_UPD:
1153 case ARM::VST4d8Pseudo:
1154 case ARM::VST4d16Pseudo:
1155 case ARM::VST4d32Pseudo:
1156 case ARM::VST1d64QPseudo:
1157 case ARM::VST4d8Pseudo_UPD:
1158 case ARM::VST4d16Pseudo_UPD:
1159 case ARM::VST4d32Pseudo_UPD:
1160 case ARM::VST1d64QPseudoWB_fixed:
1161 case ARM::VST1d64QPseudoWB_register:
1162 case ARM::VST4q8Pseudo_UPD:
1163 case ARM::VST4q16Pseudo_UPD:
1164 case ARM::VST4q32Pseudo_UPD:
1165 case ARM::VST4q8oddPseudo:
1166 case ARM::VST4q16oddPseudo:
1167 case ARM::VST4q32oddPseudo:
1168 case ARM::VST4q8oddPseudo_UPD:
1169 case ARM::VST4q16oddPseudo_UPD:
1170 case ARM::VST4q32oddPseudo_UPD:
1174 case ARM::VLD1LNq8Pseudo:
1175 case ARM::VLD1LNq16Pseudo:
1176 case ARM::VLD1LNq32Pseudo:
1177 case ARM::VLD1LNq8Pseudo_UPD:
1178 case ARM::VLD1LNq16Pseudo_UPD:
1179 case ARM::VLD1LNq32Pseudo_UPD:
1180 case ARM::VLD2LNd8Pseudo:
1181 case ARM::VLD2LNd16Pseudo:
1182 case ARM::VLD2LNd32Pseudo:
1183 case ARM::VLD2LNq16Pseudo:
1184 case ARM::VLD2LNq32Pseudo:
1185 case ARM::VLD2LNd8Pseudo_UPD:
1186 case ARM::VLD2LNd16Pseudo_UPD:
1187 case ARM::VLD2LNd32Pseudo_UPD:
1188 case ARM::VLD2LNq16Pseudo_UPD:
1189 case ARM::VLD2LNq32Pseudo_UPD:
1190 case ARM::VLD3LNd8Pseudo:
1191 case ARM::VLD3LNd16Pseudo:
1192 case ARM::VLD3LNd32Pseudo:
1193 case ARM::VLD3LNq16Pseudo:
1194 case ARM::VLD3LNq32Pseudo:
1195 case ARM::VLD3LNd8Pseudo_UPD:
1196 case ARM::VLD3LNd16Pseudo_UPD:
1197 case ARM::VLD3LNd32Pseudo_UPD:
1198 case ARM::VLD3LNq16Pseudo_UPD:
1199 case ARM::VLD3LNq32Pseudo_UPD:
1200 case ARM::VLD4LNd8Pseudo:
1201 case ARM::VLD4LNd16Pseudo:
1202 case ARM::VLD4LNd32Pseudo:
1203 case ARM::VLD4LNq16Pseudo:
1204 case ARM::VLD4LNq32Pseudo:
1205 case ARM::VLD4LNd8Pseudo_UPD:
1206 case ARM::VLD4LNd16Pseudo_UPD:
1207 case ARM::VLD4LNd32Pseudo_UPD:
1208 case ARM::VLD4LNq16Pseudo_UPD:
1209 case ARM::VLD4LNq32Pseudo_UPD:
1210 case ARM::VST1LNq8Pseudo:
1211 case ARM::VST1LNq16Pseudo:
1212 case ARM::VST1LNq32Pseudo:
1213 case ARM::VST1LNq8Pseudo_UPD:
1214 case ARM::VST1LNq16Pseudo_UPD:
1215 case ARM::VST1LNq32Pseudo_UPD:
1216 case ARM::VST2LNd8Pseudo:
1217 case ARM::VST2LNd16Pseudo:
1218 case ARM::VST2LNd32Pseudo:
1219 case ARM::VST2LNq16Pseudo:
1220 case ARM::VST2LNq32Pseudo:
1221 case ARM::VST2LNd8Pseudo_UPD:
1222 case ARM::VST2LNd16Pseudo_UPD:
1223 case ARM::VST2LNd32Pseudo_UPD:
1224 case ARM::VST2LNq16Pseudo_UPD:
1225 case ARM::VST2LNq32Pseudo_UPD:
1226 case ARM::VST3LNd8Pseudo:
1227 case ARM::VST3LNd16Pseudo:
1228 case ARM::VST3LNd32Pseudo:
1229 case ARM::VST3LNq16Pseudo:
1230 case ARM::VST3LNq32Pseudo:
1231 case ARM::VST3LNd8Pseudo_UPD:
1232 case ARM::VST3LNd16Pseudo_UPD:
1233 case ARM::VST3LNd32Pseudo_UPD:
1234 case ARM::VST3LNq16Pseudo_UPD:
1235 case ARM::VST3LNq32Pseudo_UPD:
1236 case ARM::VST4LNd8Pseudo:
1237 case ARM::VST4LNd16Pseudo:
1238 case ARM::VST4LNd32Pseudo:
1239 case ARM::VST4LNq16Pseudo:
1240 case ARM::VST4LNq32Pseudo:
1241 case ARM::VST4LNd8Pseudo_UPD:
1242 case ARM::VST4LNd16Pseudo_UPD:
1243 case ARM::VST4LNd32Pseudo_UPD:
1244 case ARM::VST4LNq16Pseudo_UPD:
1245 case ARM::VST4LNq32Pseudo_UPD:
1249 case ARM::VTBL3Pseudo: ExpandVTBL(MBBI, ARM::VTBL3, false); return true;
1250 case ARM::VTBL4Pseudo: ExpandVTBL(MBBI, ARM::VTBL4, false); return true;
1251 case ARM::VTBX3Pseudo: ExpandVTBL(MBBI, ARM::VTBX3, true); return true;
1252 case ARM::VTBX4Pseudo: ExpandVTBL(MBBI, ARM::VTBX4, true); return true;
1256 bool ARMExpandPseudo::ExpandMBB(MachineBasicBlock &MBB) {
1257 bool Modified = false;
1259 MachineBasicBlock::iterator MBBI = MBB.begin(), E = MBB.end();
1261 MachineBasicBlock::iterator NMBBI = llvm::next(MBBI);
1262 Modified |= ExpandMI(MBB, MBBI);
1269 bool ARMExpandPseudo::runOnMachineFunction(MachineFunction &MF) {
1270 const TargetMachine &TM = MF.getTarget();
1271 TII = static_cast<const ARMBaseInstrInfo*>(TM.getInstrInfo());
1272 TRI = TM.getRegisterInfo();
1273 STI = &TM.getSubtarget<ARMSubtarget>();
1274 AFI = MF.getInfo<ARMFunctionInfo>();
1276 bool Modified = false;
1277 for (MachineFunction::iterator MFI = MF.begin(), E = MF.end(); MFI != E;
1279 Modified |= ExpandMBB(*MFI);
1280 if (VerifyARMPseudo)
1281 MF.verify(this, "After expanding ARM pseudo instructions.");
1285 /// createARMExpandPseudoPass - returns an instance of the pseudo instruction
1287 FunctionPass *llvm::createARMExpandPseudoPass() {
1288 return new ARMExpandPseudo();