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pattern.h
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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 *
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15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
24#ifndef TVM_ARITH_PATTERN_H_
25#define TVM_ARITH_PATTERN_H_
26
27#include <tvm/ir/expr.h>
28#include <tvm/ir/prim/expr.h>
29
30namespace tvm {
31namespace arith {
40ffi::Array<PrimExpr> DetectLinearEquation(const PrimExpr& e, const ffi::Array<tirx::PrimVar>& vars);
41
50ffi::Array<PrimExpr> DetectClipBound(const PrimExpr& e, const ffi::Array<tirx::PrimVar>& vars);
51
52} // namespace arith
53} // namespace tvm
54#endif // TVM_ARITH_PATTERN_H_
Typed reference/view over any Expr whose ExprNode::ty is PrimType.
Definition base_expr.h:401
RAII wrapper function to enter and exit a context object similar to python's with syntax.
Definition with_context.h:59
Base expr nodes in TVM.
TIR expressions.
ffi::Array< PrimExpr > DetectLinearEquation(const PrimExpr &e, const ffi::Array< tirx::PrimVar > &vars)
Detect if e can be rewritten as e = sum_{i=0}^{n-1} var[i] * coeff[i] + coeff[n] Where coeff[i] and b...
ffi::Array< PrimExpr > DetectClipBound(const PrimExpr &e, const ffi::Array< tirx::PrimVar > &vars)
Detect if expression corresponds to clip bound of the vars.
An object that builds and maintains block scope and StmtSref mapping for Dependence analysis.
Definition analyzer.h:40