1 | /* |
2 | * Licensed to the Apache Software Foundation (ASF) under one |
3 | * or more contributor license agreements. See the NOTICE file |
4 | * distributed with this work for additional information |
5 | * regarding copyright ownership. The ASF licenses this file |
6 | * to you under the Apache License, Version 2.0 (the |
7 | * "License"); you may not use this file except in compliance |
8 | * with the License. You may obtain a copy of the License at |
9 | * |
10 | * http://www.apache.org/licenses/LICENSE-2.0 |
11 | * |
12 | * Unless required by applicable law or agreed to in writing, |
13 | * software distributed under the License is distributed on an |
14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
15 | * KIND, either express or implied. See the License for the |
16 | * specific language governing permissions and limitations |
17 | * under the License. |
18 | */ |
19 | |
20 | /*! |
21 | * \file intrin_rule_llvm.h |
22 | * \brief Common utilities for llvm intrinsics. |
23 | */ |
24 | #ifndef TVM_TARGET_LLVM_INTRIN_RULE_LLVM_H_ |
25 | #define TVM_TARGET_LLVM_INTRIN_RULE_LLVM_H_ |
26 | |
27 | #ifdef TVM_LLVM_VERSION |
28 | |
29 | #include <tvm/runtime/registry.h> |
30 | #include <tvm/target/codegen.h> |
31 | #include <tvm/tir/builtin.h> |
32 | #include <tvm/tir/expr.h> |
33 | |
34 | namespace tvm { |
35 | namespace codegen { |
36 | // num_signature means number of arguments used to query signature |
37 | template <unsigned id, int num_signature> |
38 | inline PrimExpr DispatchLLVMPureIntrin(const PrimExpr& e) { |
39 | const tir::CallNode* call = e.as<tir::CallNode>(); |
40 | ICHECK(call != nullptr); |
41 | Array<PrimExpr> cargs; |
42 | // intrin id. |
43 | cargs.push_back(IntImm(DataType::UInt(32), id)); |
44 | cargs.push_back(IntImm(DataType::UInt(32), num_signature)); |
45 | |
46 | for (PrimExpr arg : call->args) { |
47 | cargs.push_back(arg); |
48 | } |
49 | return tir::Call(call->dtype, tir::builtin::call_llvm_pure_intrin(), cargs); |
50 | } |
51 | |
52 | template <unsigned id, int num_signature> |
53 | inline PrimExpr DispatchLLVMIntrin(const PrimExpr& e) { |
54 | const tir::CallNode* call = e.as<tir::CallNode>(); |
55 | ICHECK(call != nullptr); |
56 | Array<PrimExpr> cargs; |
57 | // intrin id. |
58 | cargs.push_back(IntImm(DataType::UInt(32), id)); |
59 | cargs.push_back(IntImm(DataType::UInt(32), num_signature)); |
60 | for (PrimExpr arg : call->args) { |
61 | cargs.push_back(arg); |
62 | } |
63 | return tir::Call(call->dtype, tir::builtin::call_llvm_intrin(), cargs); |
64 | } |
65 | |
66 | } // namespace codegen |
67 | } // namespace tvm |
68 | |
69 | #endif // LLVM_VERSION |
70 | #endif // TVM_TARGET_LLVM_INTRIN_RULE_LLVM_H_ |
71 | |