1 //===- ROCDLDialect.cpp - ROCDL IR Ops and Dialect registration -----------===//
2 //
3 // Copyright 2019 The MLIR Authors.
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 //
9 //   http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 // =============================================================================
17 //
18 // This file defines the types and operation details for the ROCDL IR dialect in
19 // MLIR, and the LLVM IR dialect.  It also registers the dialect.
20 //
21 // The ROCDL dialect only contains GPU specific additions on top of the general
22 // LLVM dialect.
23 //
24 //===----------------------------------------------------------------------===//
25 
26 #include "mlir/Dialect/LLVMIR/ROCDLDialect.h"
27 
28 #include "mlir/Dialect/LLVMIR/LLVMDialect.h"
29 #include "mlir/IR/Builders.h"
30 #include "mlir/IR/MLIRContext.h"
31 #include "mlir/IR/Operation.h"
32 #include "mlir/IR/StandardTypes.h"
33 #include "llvm/AsmParser/Parser.h"
34 #include "llvm/IR/Attributes.h"
35 #include "llvm/IR/Function.h"
36 #include "llvm/IR/Type.h"
37 #include "llvm/Support/SourceMgr.h"
38 
39 using namespace mlir;
40 using namespace ROCDL;
41 
42 //===----------------------------------------------------------------------===//
43 // Printing/parsing for ROCDL ops
44 //===----------------------------------------------------------------------===//
45 
46 static void printROCDLOp(OpAsmPrinter &p, Operation *op) {
47   p << op->getName() << " " << op->getOperands();
48   if (op->getNumResults() > 0)
49     p << " : " << op->getResultTypes();
50 }
51 
52 // <operation> ::= `rocdl.XYZ` : type
53 static ParseResult parseROCDLOp(OpAsmParser &parser, OperationState &result) {
54   Type type;
55   return failure(parser.parseOptionalAttrDict(result.attributes) ||
56                  parser.parseColonType(type) ||
57                  parser.addTypeToList(type, result.types));
58 }
59 
60 //===----------------------------------------------------------------------===//
61 // ROCDLDialect initialization, type parsing, and registration.
62 //===----------------------------------------------------------------------===//
63 
64 // TODO(herhut): This should be the llvm.rocdl dialect once this is supported.
65 ROCDLDialect::ROCDLDialect(MLIRContext *context) : Dialect("rocdl", context) {
66   addOperations<
67 #define GET_OP_LIST
68 #include "mlir/Dialect/LLVMIR/ROCDLOps.cpp.inc"
69       >();
70 
71   // Support unknown operations because not all ROCDL operations are registered.
72   allowUnknownOperations();
73 }
74 
75 namespace mlir {
76 namespace ROCDL {
77 #define GET_OP_CLASSES
78 #include "mlir/Dialect/LLVMIR/ROCDLOps.cpp.inc"
79 } // namespace ROCDL
80 } // namespace mlir
81 
82 static DialectRegistration<ROCDLDialect> rocdlDialect;
83