message: fix some copy-pasto in llvm2alive switch cases
diff: @@ -1020,7 +1020,7 @@ public:
  {
  PARSE_UNOP();
  FpConversionOp::Op op;
  - switch (i.getOpcode()) {
  + switch (i.getIntrinsicID()) {
  case llvm::Intrinsic::experimental_constrained_sitofp: op = FpConversionOp::SIntToFP; break;
  case llvm::Intrinsic::experimental_constrained_uitofp: op = FpConversionOp::UIntToFP; break;
  case llvm::Intrinsic::experimental_constrained_fptosi: op = FpConversionOp::FPToSInt; break;
  @@ -1045,7 +1045,7 @@ public:
  {
  PARSE_BINOP();
  TestOp::Op op;
  - switch (i.getOpcode()) {
  + switch (i.getIntrinsicID()) {
  case llvm::Intrinsic::is_fpclass: op = TestOp::Is_FPClass; break;
  default: UNREACHABLE();
  }
  