[SubZero] Vector types support for MIPS

src/IceTargetLowering.cpp

 //===- subzero/src/IceTargetLowering.cpp - Basic lowering implementation --===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 697 matching lines @@
       }
     }
   }
 }
 
 void TargetLowering::addFakeDefUses(const Inst *Instr) {
   FOREACH_VAR_IN_INST(Var, *Instr) {
     if (auto *Var64 = llvm::dyn_cast<Variable64On32>(Var)) {
       Context.insert<InstFakeUse>(Var64->getLo());
       Context.insert<InstFakeUse>(Var64->getHi());
+    } else if (auto *VarVec = llvm::dyn_cast<VariableVecOn32>(Var)) {
+      for (Variable *Var : VarVec->getContainers()) {
+        Context.insert<InstFakeUse>(Var);
+      }
     } else {
       Context.insert<InstFakeUse>(Var);
     }
   }
   Variable *Dest = Instr->getDest();
   if (Dest == nullptr)
     return;
   if (auto *Var64 = llvm::dyn_cast<Variable64On32>(Dest)) {
     Context.insert<InstFakeDef>(Var64->getLo());
     Context.insert<InstFakeDef>(Var64->getHi());
+  } else if (auto *VarVec = llvm::dyn_cast<VariableVecOn32>(Dest)) {
+    for (Variable *Var : VarVec->getContainers()) {
+      Context.insert<InstFakeDef>(Var);
+    }
   } else {
     Context.insert<InstFakeDef>(Dest);
   }
 }
 
 void TargetLowering::sortVarsByAlignment(VarList &Dest,
                                          const VarList &Source) const {
   Dest = Source;
   // Instead of std::sort, we could do a bucket sort with log2(alignment) as
   // the buckets, if performance is an issue.
@@ skipping 353 matching lines @@
   case TARGET_LOWERING_CLASS_FOR(X):                                           \
     return ::X::createTargetHeaderLowering(Ctx);
 #include "SZTargets.def"
 #undef SUBZERO_TARGET
   }
 }
 
 TargetHeaderLowering::~TargetHeaderLowering() = default;
 
 } // end of namespace Ice