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//===- ViewLikeInterface.cpp - View-like operations in MLIR ---------------===//
//
// 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 "mlir/Interfaces/ViewLikeInterface.h"
using namespace mlir;
//===----------------------------------------------------------------------===//
// ViewLike Interfaces
//===----------------------------------------------------------------------===//
/// Include the definitions of the loop-like interfaces.
#include "mlir/Interfaces/ViewLikeInterface.cpp.inc"
LogicalResult mlir::verifyListOfOperandsOrIntegers(
Operation *op, StringRef name, unsigned numElements, ArrayAttr attr,
ValueRange values, llvm::function_ref<bool(int64_t)> isDynamic) {
/// Check static and dynamic offsets/sizes/strides does not overflow type.
if (attr.size() != numElements)
return op->emitError("expected ")
<< numElements << " " << name << " values";
unsigned expectedNumDynamicEntries =
llvm::count_if(attr.getValue(), [&](Attribute attr) {
return isDynamic(attr.cast<IntegerAttr>().getInt());
});
if (values.size() != expectedNumDynamicEntries)
return op->emitError("expected ")
<< expectedNumDynamicEntries << " dynamic " << name << " values";
return success();
}
LogicalResult
mlir::detail::verifyOffsetSizeAndStrideOp(OffsetSizeAndStrideOpInterface op) {
std::array<unsigned, 3> maxRanks = op.getArrayAttrMaxRanks();
// Offsets can come in 2 flavors:
// 1. Either single entry (when maxRanks == 1).
// 2. Or as an array whose rank must match that of the mixed sizes.
// So that the result type is well-formed.
if (!(op.getMixedOffsets().size() == 1 && maxRanks[0] == 1) && // NOLINT
op.getMixedOffsets().size() != op.getMixedSizes().size())
return op->emitError(
"expected mixed offsets rank to match mixed sizes rank (")
<< op.getMixedOffsets().size() << " vs " << op.getMixedSizes().size()
<< ") so the rank of the result type is well-formed.";
// Ranks of mixed sizes and strides must always match so the result type is
// well-formed.
if (op.getMixedSizes().size() != op.getMixedStrides().size())
return op->emitError(
"expected mixed sizes rank to match mixed strides rank (")
<< op.getMixedSizes().size() << " vs " << op.getMixedStrides().size()
<< ") so the rank of the result type is well-formed.";
if (failed(verifyListOfOperandsOrIntegers(
op, "offset", maxRanks[0], op.static_offsets(), op.offsets(),
ShapedType::isDynamicStrideOrOffset)))
return failure();
if (failed(verifyListOfOperandsOrIntegers(op, "size", maxRanks[1],
op.static_sizes(), op.sizes(),
ShapedType::isDynamic)))
return failure();
if (failed(verifyListOfOperandsOrIntegers(
op, "stride", maxRanks[2], op.static_strides(), op.strides(),
ShapedType::isDynamicStrideOrOffset)))
return failure();
return success();
}
template <int64_t dynVal>
static void printOperandsOrIntegersListImpl(OpAsmPrinter &p, ValueRange values,
ArrayAttr arrayAttr) {
p << '[';
if (arrayAttr.empty()) {
p << "]";
return;
}
unsigned idx = 0;
llvm::interleaveComma(arrayAttr, p, [&](Attribute a) {
int64_t val = a.cast<IntegerAttr>().getInt();
if (val == dynVal)
p << values[idx++];
else
p << val;
});
p << ']';
}
void mlir::printOperandsOrIntegersOffsetsOrStridesList(OpAsmPrinter &p,
Operation *op,
OperandRange values,
ArrayAttr integers) {
return printOperandsOrIntegersListImpl<ShapedType::kDynamicStrideOrOffset>(
p, values, integers);
}
void mlir::printOperandsOrIntegersSizesList(OpAsmPrinter &p, Operation *op,
OperandRange values,
ArrayAttr integers) {
return printOperandsOrIntegersListImpl<ShapedType::kDynamicSize>(p, values,
integers);
}
template <int64_t dynVal>
static ParseResult parseOperandsOrIntegersImpl(
OpAsmParser &parser,
SmallVectorImpl<OpAsmParser::UnresolvedOperand> &values,
ArrayAttr &integers) {
if (failed(parser.parseLSquare()))
return failure();
// 0-D.
if (succeeded(parser.parseOptionalRSquare())) {
integers = parser.getBuilder().getArrayAttr({});
return success();
}
SmallVector<int64_t, 4> attrVals;
while (true) {
OpAsmParser::UnresolvedOperand operand;
auto res = parser.parseOptionalOperand(operand);
if (res.has_value() && succeeded(res.getValue())) {
values.push_back(operand);
attrVals.push_back(dynVal);
} else {
IntegerAttr attr;
if (failed(parser.parseAttribute<IntegerAttr>(attr)))
return parser.emitError(parser.getNameLoc())
<< "expected SSA value or integer";
attrVals.push_back(attr.getInt());
}
if (succeeded(parser.parseOptionalComma()))
continue;
if (failed(parser.parseRSquare()))
return failure();
break;
}
integers = parser.getBuilder().getI64ArrayAttr(attrVals);
return success();
}
ParseResult mlir::parseOperandsOrIntegersOffsetsOrStridesList(
OpAsmParser &parser,
SmallVectorImpl<OpAsmParser::UnresolvedOperand> &values,
ArrayAttr &integers) {
return parseOperandsOrIntegersImpl<ShapedType::kDynamicStrideOrOffset>(
parser, values, integers);
}
ParseResult mlir::parseOperandsOrIntegersSizesList(
OpAsmParser &parser,
SmallVectorImpl<OpAsmParser::UnresolvedOperand> &values,
ArrayAttr &integers) {
return parseOperandsOrIntegersImpl<ShapedType::kDynamicSize>(parser, values,
integers);
}
bool mlir::detail::sameOffsetsSizesAndStrides(
OffsetSizeAndStrideOpInterface a, OffsetSizeAndStrideOpInterface b,
llvm::function_ref<bool(OpFoldResult, OpFoldResult)> cmp) {
if (a.static_offsets().size() != b.static_offsets().size())
return false;
if (a.static_sizes().size() != b.static_sizes().size())
return false;
if (a.static_strides().size() != b.static_strides().size())
return false;
for (auto it : llvm::zip(a.getMixedOffsets(), b.getMixedOffsets()))
if (!cmp(std::get<0>(it), std::get<1>(it)))
return false;
for (auto it : llvm::zip(a.getMixedSizes(), b.getMixedSizes()))
if (!cmp(std::get<0>(it), std::get<1>(it)))
return false;
for (auto it : llvm::zip(a.getMixedStrides(), b.getMixedStrides()))
if (!cmp(std::get<0>(it), std::get<1>(it)))
return false;
return true;
}
SmallVector<OpFoldResult, 4>
mlir::getMixedValues(ArrayAttr staticValues, ValueRange dynamicValues,
const int64_t dynamicValueIndicator) {
SmallVector<OpFoldResult, 4> res;
res.reserve(staticValues.size());
unsigned numDynamic = 0;
unsigned count = static_cast<unsigned>(staticValues.size());
for (unsigned idx = 0; idx < count; ++idx) {
APInt value = staticValues[idx].cast<IntegerAttr>().getValue();
res.push_back(value.getSExtValue() == dynamicValueIndicator
? OpFoldResult{dynamicValues[numDynamic++]}
: OpFoldResult{staticValues[idx]});
}
return res;
}
SmallVector<OpFoldResult, 4>
mlir::getMixedStridesOrOffsets(ArrayAttr staticValues,
ValueRange dynamicValues) {
return getMixedValues(staticValues, dynamicValues,
ShapedType::kDynamicStrideOrOffset);
}
SmallVector<OpFoldResult, 4> mlir::getMixedSizes(ArrayAttr staticValues,
ValueRange dynamicValues) {
return getMixedValues(staticValues, dynamicValues, ShapedType::kDynamicSize);
}
std::pair<ArrayAttr, SmallVector<Value>>
mlir::decomposeMixedValues(Builder &b,
const SmallVectorImpl<OpFoldResult> &mixedValues,
const int64_t dynamicValueIndicator) {
SmallVector<int64_t> staticValues;
SmallVector<Value> dynamicValues;
for (const auto &it : mixedValues) {
if (it.is<Attribute>()) {
staticValues.push_back(it.get<Attribute>().cast<IntegerAttr>().getInt());
} else {
staticValues.push_back(dynamicValueIndicator);
dynamicValues.push_back(it.get<Value>());
}
}
return {b.getI64ArrayAttr(staticValues), dynamicValues};
}
std::pair<ArrayAttr, SmallVector<Value>> mlir::decomposeMixedStridesOrOffsets(
OpBuilder &b, const SmallVectorImpl<OpFoldResult> &mixedValues) {
return decomposeMixedValues(b, mixedValues,
ShapedType::kDynamicStrideOrOffset);
}
std::pair<ArrayAttr, SmallVector<Value>>
mlir::decomposeMixedSizes(OpBuilder &b,
const SmallVectorImpl<OpFoldResult> &mixedValues) {
return decomposeMixedValues(b, mixedValues, ShapedType::kDynamicSize);
}
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