Support AddrSpaceCast in ConstantExpr::getAsInstruction.

It's handled similarly to the other casts. CastInst::Create already knows how
to handle it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199565 91177308-0d34-0410-b5e6-96231b3b80d8

lib/IR/Constants.cpp

@@ -2783,6 +2783,7 @@ Instruction *ConstantExpr::getAsInstruction() {
   case Instruction::PtrToInt:
   case Instruction::IntToPtr:
   case Instruction::BitCast:
+  case Instruction::AddrSpaceCast:
     return CastInst::Create((Instruction::CastOps)getOpcode(),
                             Ops[0], getType());
   case Instruction::Select: