Files
clang-p2996/mlir/unittests/Bytecode/BytecodeTest.cpp
Kazu Hirata 6b31b02600 [Support] Deprecate system_endianness (#68279)
system_endianness() just returns llvm::endianness::native, a
compile-time constant equivalent to std::native in C++20.  This patch
deprecates system_endianness() while replacing all invocations of
system_endianness() with llvm::endianness::native.

While we are at it, this patch replaces
llvm::support::endianness::{big,little} with
llvm::endianness::{big,little} in those statements that happen to call
system_endianness().  It does not go out of its way to replace other
occurrences of llvm::support::endianness::{big,little}.
2023-10-05 09:17:09 -07:00

89 lines
2.9 KiB
C++

//===- AdaptorTest.cpp - Adaptor unit tests -------------------------------===//
//
// 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/Bytecode/BytecodeWriter.h"
#include "mlir/IR/AsmState.h"
#include "mlir/IR/BuiltinAttributes.h"
#include "mlir/IR/OpImplementation.h"
#include "mlir/IR/OwningOpRef.h"
#include "mlir/Parser/Parser.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Endian.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace mlir;
StringLiteral IRWithResources = R"(
module @TestDialectResources attributes {
bytecode.test = dense_resource<resource> : tensor<4xi32>
} {}
{-#
dialect_resources: {
builtin: {
resource: "0x2000000001000000020000000300000004000000",
resource_2: "0x2000000001000000020000000300000004000000"
}
}
#-}
)";
TEST(Bytecode, MultiModuleWithResource) {
MLIRContext context;
Builder builder(&context);
ParserConfig parseConfig(&context);
OwningOpRef<Operation *> module =
parseSourceString<Operation *>(IRWithResources, parseConfig);
ASSERT_TRUE(module);
// Write the module to bytecode
std::string buffer;
llvm::raw_string_ostream ostream(buffer);
ASSERT_TRUE(succeeded(writeBytecodeToFile(module.get(), ostream)));
ostream.flush();
// Create copy of buffer which is aligned to requested resource alignment.
constexpr size_t kAlignment = 0x20;
size_t buffer_size = buffer.size();
buffer.reserve(buffer_size + kAlignment - 1);
size_t pad = ~(uintptr_t)buffer.data() + 1 & kAlignment - 1;
buffer.insert(0, pad, ' ');
StringRef aligned_buffer(buffer.data() + pad, buffer_size);
// Parse it back
OwningOpRef<Operation *> roundTripModule =
parseSourceString<Operation *>(aligned_buffer, parseConfig);
ASSERT_TRUE(roundTripModule);
// FIXME: Parsing external resources does not work on big-endian
// platforms currently.
if (llvm::endianness::native == llvm::endianness::big)
GTEST_SKIP();
// Try to see if we have a valid resource in the parsed module.
auto checkResourceAttribute = [&](Operation *op) {
Attribute attr = roundTripModule->getDiscardableAttr("bytecode.test");
ASSERT_TRUE(attr);
auto denseResourceAttr = dyn_cast<DenseI32ResourceElementsAttr>(attr);
ASSERT_TRUE(denseResourceAttr);
std::optional<ArrayRef<int32_t>> attrData =
denseResourceAttr.tryGetAsArrayRef();
ASSERT_TRUE(attrData.has_value());
ASSERT_EQ(attrData->size(), static_cast<size_t>(4));
EXPECT_EQ((*attrData)[0], 1);
EXPECT_EQ((*attrData)[1], 2);
EXPECT_EQ((*attrData)[2], 3);
EXPECT_EQ((*attrData)[3], 4);
};
checkResourceAttribute(*module);
checkResourceAttribute(*roundTripModule);
}