MLIR  20.0.0git
AffineToStandard.h
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1 //===- AffineToStandard.h - Convert Affine to Standard dialect --*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef MLIR_CONVERSION_AFFINETOSTANDARD_AFFINETOSTANDARD_H
10 #define MLIR_CONVERSION_AFFINETOSTANDARD_AFFINETOSTANDARD_H
11 
12 #include "mlir/Support/LLVM.h"
13 
14 namespace mlir {
15 class Location;
16 class OpBuilder;
17 class Pass;
18 class RewritePattern;
19 class RewritePatternSet;
20 class Value;
21 class ValueRange;
22 
23 namespace affine {
24 class AffineForOp;
25 } // namespace affine
26 
27 #define GEN_PASS_DECL_CONVERTAFFINETOSTANDARD
28 #include "mlir/Conversion/Passes.h.inc"
29 
30 /// Collect a set of patterns to convert from the Affine dialect to the Standard
31 /// dialect, in particular convert structured affine control flow into CFG
32 /// branch-based control flow.
33 void populateAffineToStdConversionPatterns(RewritePatternSet &patterns);
34 
35 /// Collect a set of patterns to convert vector-related Affine ops to the Vector
36 /// dialect.
37 void populateAffineToVectorConversionPatterns(RewritePatternSet &patterns);
38 
39 /// Emit code that computes the lower bound of the given affine loop using
40 /// standard arithmetic operations.
41 Value lowerAffineLowerBound(affine::AffineForOp op, OpBuilder &builder);
42 
43 /// Emit code that computes the upper bound of the given affine loop using
44 /// standard arithmetic operations.
45 Value lowerAffineUpperBound(affine::AffineForOp op, OpBuilder &builder);
46 
47 /// Lowers affine control flow operations (ForStmt, IfStmt and AffineApplyOp)
48 /// to equivalent lower-level constructs (flow of basic blocks and arithmetic
49 /// primitives).
50 std::unique_ptr<Pass> createLowerAffinePass();
51 
52 } // namespace mlir
53 
54 #endif // MLIR_CONVERSION_AFFINETOSTANDARD_AFFINETOSTANDARD_H
This class helps build Operations.
Definition: Builders.h:216
This class represents an instance of an SSA value in the MLIR system, representing a computable value...
Definition: Value.h:96
Include the generated interface declarations.
Value lowerAffineUpperBound(affine::AffineForOp op, OpBuilder &builder)
Emit code that computes the upper bound of the given affine loop using standard arithmetic operations...
void populateAffineToVectorConversionPatterns(RewritePatternSet &patterns)
Collect a set of patterns to convert vector-related Affine ops to the Vector dialect.
std::unique_ptr< Pass > createLowerAffinePass()
Lowers affine control flow operations (ForStmt, IfStmt and AffineApplyOp) to equivalent lower-level c...
void populateAffineToStdConversionPatterns(RewritePatternSet &patterns)
Collect a set of patterns to convert from the Affine dialect to the Standard dialect,...
Value lowerAffineLowerBound(affine::AffineForOp op, OpBuilder &builder)
Emit code that computes the lower bound of the given affine loop using standard arithmetic operations...