tqchen commented on a change in pull request #5863:
URL: https://github.com/apache/incubator-tvm/pull/5863#discussion_r443835313
##
File path: src/tir/op/builtin.cc
##
@@ -0,0 +1,155 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*!
+ * \file tir/op/builtin.cc
+ *
+ * builtin intrinsic operators.
+ */
+#include
+#include
+#include
+#include
+
+namespace tvm {
+namespace tir {
+namespace builtin {
+
+#define TIR_DEFINE_BUILTIN_FUNC(OpName)\
+ const Op& OpName() { \
+static const Op& op = Op::Get("tir." #OpName); \
+return op; \
+ }\
+ TVM_REGISTER_OP("tir." #OpName)
+
+TIR_DEFINE_BUILTIN_FUNC(reinterpret).set_num_inputs(1);
+
+TIR_DEFINE_BUILTIN_FUNC(likely).set_num_inputs(1).set_attr("TVectorizable",
true);
+
+TIR_DEFINE_BUILTIN_FUNC(bitwise_and)
+.set_num_inputs(2)
+.set_attr("TVectorizable", true);
+
+TIR_DEFINE_BUILTIN_FUNC(bitwise_or)
+.set_num_inputs(2)
+.set_attr("TVectorizable", true);
+
+TIR_DEFINE_BUILTIN_FUNC(bitwise_xor)
+.set_num_inputs(2)
+.set_attr("TVectorizable", true);
+
+TIR_DEFINE_BUILTIN_FUNC(bitwise_not)
+.set_num_inputs(1)
+.set_attr("TVectorizable", true);
+
+TIR_DEFINE_BUILTIN_FUNC(shift_left)
+.set_num_inputs(2)
+.set_attr("TVectorizable", true);
+
+TIR_DEFINE_BUILTIN_FUNC(shift_right)
+.set_num_inputs(2)
+.set_attr("TVectorizable", true);
+
+TIR_DEFINE_BUILTIN_FUNC(large_uint_imm).set_num_inputs(2);
+
+TIR_DEFINE_BUILTIN_FUNC(address_of).set_num_inputs(1);
+
+TIR_DEFINE_BUILTIN_FUNC(if_then_else).set_num_inputs(3);
+
+TIR_DEFINE_BUILTIN_FUNC(isnullptr).set_num_inputs(1);
+
+TIR_DEFINE_BUILTIN_FUNC(isnan).set_num_inputs(1);
+
+TIR_DEFINE_BUILTIN_FUNC(popcount).set_num_inputs(1);
+
+TIR_DEFINE_BUILTIN_FUNC(fma).set_num_inputs(3).set_attr("TVectorizable",
true);
+
+TIR_DEFINE_BUILTIN_FUNC(call_extern);
+
+TIR_DEFINE_BUILTIN_FUNC(call_llvm_intrin);
+
+TIR_DEFINE_BUILTIN_FUNC(call_spirv_glsl450);
+
+TIR_DEFINE_BUILTIN_FUNC(prefetch);
+
+TIR_DEFINE_BUILTIN_FUNC(tvm_access_ptr).set_num_inputs(5);
+
+TIR_DEFINE_BUILTIN_FUNC(tvm_static_handle).set_num_inputs(0);
+
+TIR_DEFINE_BUILTIN_FUNC(tvm_context_id).set_num_inputs(0);
+
+TIR_DEFINE_BUILTIN_FUNC(tvm_tuple);
+
+TIR_DEFINE_BUILTIN_FUNC(tvm_struct_get).set_num_inputs(3);
+
+TIR_DEFINE_BUILTIN_FUNC(tvm_struct_set).set_num_inputs(4);
+
+TIR_DEFINE_BUILTIN_FUNC(tvm_throw_last_error).set_num_inputs(0);
+
+TIR_DEFINE_BUILTIN_FUNC(tvm_stack_alloca).set_num_inputs(2);
+
+TIR_DEFINE_BUILTIN_FUNC(tvm_stack_make_shape);
+
+TIR_DEFINE_BUILTIN_FUNC(tvm_stack_make_array).set_num_inputs(6);
+
+// When num_inputs are not set, the function is assumed to be variable length.
Review comment:
Not at the moment, so far we are only providing these information
without checking them to ease migration. A checker is certainly an important
followup step
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