128 MachineInstrBuilder CSEMIRBuilder::memoizeMI(MachineInstrBuilder MIB,  in memoizeMI()  argument
130   assert(canPerformCSEForOpc(MIB->getOpcode()) &&  in memoizeMI()
132   MachineInstr *MIBInstr = MIB;  in memoizeMI()
134   return MIB;  in memoizeMI()
138   if (DstOps.size() == 1)  in checkCopyToDefsPossible()
139     return true; // always possible to emit copy to just 1 vreg.  in checkCopyToDefsPossible()
149                                         MachineInstrBuilder &MIB) {  in generateCopiesIfRequired()  argument
151          "Impossible return a single MIB with copies to multiple defs");  in generateCopiesIfRequired()
152   if (DstOps.size() == 1) {  in generateCopiesIfRequired()
155       return buildCopy(Op.getReg(), MIB.getReg(0));  in generateCopiesIfRequired()
165       Observer->changingInstr(*MIB);  in generateCopiesIfRequired()
166     MIB->setDebugLoc(  in generateCopiesIfRequired()
167         DILocation::getMergedLocation(MIB->getDebugLoc(), getDebugLoc()));  in generateCopiesIfRequired()
169       Observer->changedInstr(*MIB);  in generateCopiesIfRequired()
172   return MIB;  in generateCopiesIfRequired()
184     assert(DstOps.size() == 1 && "Invalid dsts");  in buildInstr()
185     LLT SrcTy = SrcOps[1].getLLTTy(*getMRI());  in buildInstr()
188             ConstantFoldICmp(SrcOps[0].getPredicate(), SrcOps[1].getReg(),  in buildInstr()
216     assert(DstOps.size() == 1 && "Invalid dsts");  in buildInstr()
226           Opc, SrcOps[0].getReg(), SrcOps[1].getReg(), *getMRI());  in buildInstr()
233             Opc, SrcOps[0].getReg(), SrcOps[1].getReg(), *getMRI()))  in buildInstr()
251     assert(DstOps.size() == 1 && "Invalid dsts");  in buildInstr()
253             Opc, SrcOps[0].getReg(), SrcOps[1].getReg(), *getMRI()))  in buildInstr()
258     assert(DstOps.size() == 1 && "Invalid dst ops");  in buildInstr()
262     const SrcOp &Src1 = SrcOps[1];  in buildInstr()
271     assert(SrcOps.size() == 1 && "Invalid sources");  in buildInstr()
272     assert(DstOps.size() == 1 && "Invalid dsts");  in buildInstr()
280     assert(SrcOps.size() == 1 && "Expected one source");  in buildInstr()
281     assert(DstOps.size() == 1 && "Expected one dest");  in buildInstr()
290     if (MaybeCsts->size() == 1)  in buildInstr()
307     auto MIB = MachineIRBuilder::buildInstr(Opc, DstOps, SrcOps, Flag);  in buildInstr()  local
310     getCSEInfo()->handleRemoveInst(&*MIB);  in buildInstr()
311     return MIB;  in buildInstr()
317   MachineInstrBuilder MIB = getDominatingInstrForID(ID, InsertPos);  in buildInstr()  local
318   if (MIB) {  in buildInstr()
320     return generateCopiesIfRequired(DstOps, MIB);  in buildInstr()
345   MachineInstrBuilder MIB = getDominatingInstrForID(ID, InsertPos);  in buildConstant()  local
346   if (MIB) {  in buildConstant()
348     return generateCopiesIfRequired({Res}, MIB);  in buildConstant()
372   MachineInstrBuilder MIB = getDominatingInstrForID(ID, InsertPos);  in buildFConstant()  local
373   if (MIB) {  in buildFConstant()
375     return generateCopiesIfRequired({Res}, MIB);  in buildFConstant()