1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
//===- OpenACCDataOperandConversion.cpp - OpenACC data operand conversion -===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "flang/Optimizer/Dialect/FIRDialect.h"
#include "flang/Optimizer/Transforms/Passes.h"
#include "mlir/Conversion/LLVMCommon/Pattern.h"
#include "mlir/Conversion/OpenACCToLLVM/ConvertOpenACCToLLVM.h"
#include "mlir/Dialect/Func/IR/FuncOps.h"
#include "mlir/Dialect/LLVMIR/LLVMDialect.h"
#include "mlir/Dialect/OpenACC/OpenACC.h"
#include "mlir/IR/Builders.h"
#include "mlir/IR/BuiltinOps.h"
#include "mlir/Pass/Pass.h"
namespace fir {
#define GEN_PASS_DEF_OPENACCDATAOPERANDCONVERSION
#include "flang/Optimizer/Transforms/Passes.h.inc"
} // namespace fir
#define DEBUG_TYPE "flang-openacc-conversion"
#include "flang/Optimizer/CodeGen/TypeConverter.h"
using namespace fir;
using namespace mlir;
//===----------------------------------------------------------------------===//
// Conversion patterns
//===----------------------------------------------------------------------===//
namespace {
template <typename Op>
class LegalizeDataOpForLLVMTranslation : public ConvertOpToLLVMPattern<Op> {
using ConvertOpToLLVMPattern<Op>::ConvertOpToLLVMPattern;
LogicalResult
matchAndRewrite(Op op, typename Op::Adaptor adaptor,
ConversionPatternRewriter &builder) const override {
Location loc = op.getLoc();
fir::LLVMTypeConverter &converter =
*static_cast<fir::LLVMTypeConverter *>(this->getTypeConverter());
unsigned numDataOperands = op.getNumDataOperands();
// Keep the non data operands without modification.
auto nonDataOperands = adaptor.getOperands().take_front(
adaptor.getOperands().size() - numDataOperands);
SmallVector<Value> convertedOperands;
convertedOperands.append(nonDataOperands.begin(), nonDataOperands.end());
// Go over the data operand and legalize them for translation.
for (unsigned idx = 0; idx < numDataOperands; ++idx) {
Value originalDataOperand = op.getDataOperand(idx);
if (auto refTy =
originalDataOperand.getType().dyn_cast<fir::ReferenceType>()) {
if (refTy.getEleTy().isa<fir::BaseBoxType>())
return builder.notifyMatchFailure(op, "BaseBoxType not supported");
mlir::Type convertedType =
converter.convertType(refTy).cast<mlir::LLVM::LLVMPointerType>();
mlir::Value castedOperand =
builder
.create<mlir::UnrealizedConversionCastOp>(loc, convertedType,
originalDataOperand)
.getResult(0);
convertedOperands.push_back(castedOperand);
} else {
// Type not supported.
return builder.notifyMatchFailure(op, "expecting a reference type");
}
}
if constexpr (std::is_same_v<Op, acc::ParallelOp> ||
std::is_same_v<Op, acc::DataOp>) {
auto newOp =
builder.create<Op>(op.getLoc(), TypeRange(), convertedOperands,
op.getOperation()->getAttrs());
builder.inlineRegionBefore(op.getRegion(), newOp.getRegion(),
newOp.getRegion().end());
if (failed(builder.convertRegionTypes(&newOp.getOperation()->getRegion(0),
*this->getTypeConverter())))
return failure();
builder.eraseOp(op);
} else {
builder.replaceOpWithNewOp<Op>(op, TypeRange(), convertedOperands,
op.getOperation()->getAttrs());
}
return success();
}
};
} // namespace
namespace {
struct OpenACCDataOperandConversion
: public fir::impl::OpenACCDataOperandConversionBase<
OpenACCDataOperandConversion> {
using Base::Base;
void runOnOperation() override;
};
} // namespace
void OpenACCDataOperandConversion::runOnOperation() {
auto op = getOperation();
auto *context = op.getContext();
// Convert to OpenACC operations with LLVM IR dialect
RewritePatternSet patterns(context);
LowerToLLVMOptions options(context);
options.useOpaquePointers = useOpaquePointers;
fir::LLVMTypeConverter converter(
op.getOperation()->getParentOfType<mlir::ModuleOp>(), true);
patterns.add<LegalizeDataOpForLLVMTranslation<acc::DataOp>>(converter);
patterns.add<LegalizeDataOpForLLVMTranslation<acc::ParallelOp>>(converter);
ConversionTarget target(*context);
target.addLegalDialect<fir::FIROpsDialect>();
target.addLegalDialect<LLVM::LLVMDialect>();
target.addLegalOp<mlir::UnrealizedConversionCastOp>();
auto allDataOperandsAreConverted = [](ValueRange operands) {
for (Value operand : operands) {
if (!operand.getType().isa<LLVM::LLVMPointerType>())
return false;
}
return true;
};
target.addDynamicallyLegalOp<acc::DataOp>(
[allDataOperandsAreConverted](acc::DataOp op) {
return allDataOperandsAreConverted(op.getCopyOperands()) &&
allDataOperandsAreConverted(op.getCopyinOperands()) &&
allDataOperandsAreConverted(op.getCopyinReadonlyOperands()) &&
allDataOperandsAreConverted(op.getCopyoutOperands()) &&
allDataOperandsAreConverted(op.getCopyoutZeroOperands()) &&
allDataOperandsAreConverted(op.getCreateOperands()) &&
allDataOperandsAreConverted(op.getCreateZeroOperands()) &&
allDataOperandsAreConverted(op.getNoCreateOperands()) &&
allDataOperandsAreConverted(op.getPresentOperands()) &&
allDataOperandsAreConverted(op.getDeviceptrOperands()) &&
allDataOperandsAreConverted(op.getAttachOperands());
});
target.addDynamicallyLegalOp<acc::ParallelOp>(
[allDataOperandsAreConverted](acc::ParallelOp op) {
return allDataOperandsAreConverted(op.getReductionOperands()) &&
allDataOperandsAreConverted(op.getCopyOperands()) &&
allDataOperandsAreConverted(op.getCopyinOperands()) &&
allDataOperandsAreConverted(op.getCopyinReadonlyOperands()) &&
allDataOperandsAreConverted(op.getCopyoutOperands()) &&
allDataOperandsAreConverted(op.getCopyoutZeroOperands()) &&
allDataOperandsAreConverted(op.getCreateOperands()) &&
allDataOperandsAreConverted(op.getCreateZeroOperands()) &&
allDataOperandsAreConverted(op.getNoCreateOperands()) &&
allDataOperandsAreConverted(op.getPresentOperands()) &&
allDataOperandsAreConverted(op.getDevicePtrOperands()) &&
allDataOperandsAreConverted(op.getAttachOperands()) &&
allDataOperandsAreConverted(op.getGangPrivateOperands()) &&
allDataOperandsAreConverted(op.getGangFirstPrivateOperands());
});
if (failed(applyPartialConversion(op, target, std::move(patterns))))
signalPassFailure();
}
|
