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//===- TestDataLayoutQuery.cpp - Test Data Layout Queries -----------------===//
//
// 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 "TestDialect.h"
#include "mlir/Analysis/DataLayoutAnalysis.h"
#include "mlir/Dialect/DLTI/DLTI.h"
#include "mlir/IR/BuiltinAttributes.h"
#include "mlir/Pass/Pass.h"
using namespace mlir;
namespace {
/// A pass that finds "test.data_layout_query" operations and attaches to them
/// attributes containing the results of data layout queries for operation
/// result types.
struct TestDataLayoutQuery
: public PassWrapper<TestDataLayoutQuery, OperationPass<func::FuncOp>> {
MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestDataLayoutQuery)
StringRef getArgument() const final { return "test-data-layout-query"; }
StringRef getDescription() const final { return "Test data layout queries"; }
void runOnOperation() override {
func::FuncOp func = getOperation();
Builder builder(func.getContext());
const DataLayoutAnalysis &layouts = getAnalysis<DataLayoutAnalysis>();
func.walk([&](test::DataLayoutQueryOp op) {
// Skip the ops with already processed in a deeper call.
if (op->getAttr("size"))
return;
const DataLayout &layout = layouts.getAbove(op);
unsigned size = layout.getTypeSize(op.getType());
unsigned bitsize = layout.getTypeSizeInBits(op.getType());
unsigned alignment = layout.getTypeABIAlignment(op.getType());
unsigned preferred = layout.getTypePreferredAlignment(op.getType());
Attribute allocaMemorySpace = layout.getAllocaMemorySpace();
unsigned stackAlignment = layout.getStackAlignment();
op->setAttrs(
{builder.getNamedAttr("size", builder.getIndexAttr(size)),
builder.getNamedAttr("bitsize", builder.getIndexAttr(bitsize)),
builder.getNamedAttr("alignment", builder.getIndexAttr(alignment)),
builder.getNamedAttr("preferred", builder.getIndexAttr(preferred)),
builder.getNamedAttr("alloca_memory_space",
allocaMemorySpace == Attribute()
? builder.getUI32IntegerAttr(0)
: allocaMemorySpace),
builder.getNamedAttr("stack_alignment",
builder.getIndexAttr(stackAlignment))});
});
}
};
} // namespace
namespace mlir {
namespace test {
void registerTestDataLayoutQuery() { PassRegistration<TestDataLayoutQuery>(); }
} // namespace test
} // namespace mlir
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