Subzero, MIPS32: Intrinsic call Trap

src/IceTargetLoweringMIPS32.cpp

 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
 /// \brief Implements the TargetLoweringMIPS32 class, which consists almost
@@ skipping 2872 matching lines @@
     return;
   }
   case Intrinsics::Stacksave: {
     UnimplementedLoweringError(this, Instr);
     return;
   }
   case Intrinsics::Stackrestore: {
     UnimplementedLoweringError(this, Instr);
     return;
   }
-  case Intrinsics::Trap:
-    UnimplementedLoweringError(this, Instr);
+  case Intrinsics::Trap: {
+    const uint32_t TrapCodeZero = 0;
+    _teq(getZero(), getZero(), TrapCodeZero);
     return;
+  }
   case Intrinsics::UnknownIntrinsic:
     Func->setError("Should not be lowering UnknownIntrinsic");
     return;
   }
   return;
 }
 
 void TargetMIPS32::lowerLoad(const InstLoad *Instr) {
   // A Load instruction can be treated the same as an Assign instruction, after
   // the source operand is transformed into an OperandMIPS32Mem operand.
@@ skipping 808 matching lines @@
   Str << "\t.set\t"
       << "nomips16\n";
 }
 
 SmallBitVector TargetMIPS32::TypeToRegisterSet[RCMIPS32_NUM];
 SmallBitVector TargetMIPS32::TypeToRegisterSetUnfiltered[RCMIPS32_NUM];
 SmallBitVector TargetMIPS32::RegisterAliases[RegMIPS32::Reg_NUM];
 
 } // end of namespace MIPS32
 } // end of namespace Ice