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// SPDX-License-Identifier: GPL-3.0-or-later
#include "rcc/Tooling/ArtifactStore.h"
#include "ToolingTestSupport.h"
#include "rcc/Target/RISCV/RISCVTarget.h"
#include <cstdint>
#include <filesystem>
#include <span>
#include <string>
#include <utility>
#include <vector>
namespace {
[[nodiscard]] std::vector<std::uint8_t> bytes(std::string_view Text) {
const auto *Begin = reinterpret_cast<const std::uint8_t *>(Text.data());
return std::vector<std::uint8_t>(Begin, Begin + Text.size());
}
[[nodiscard]] std::filesystem::path cacheEntry(const std::filesystem::path &Root,
std::string_view Key) {
return Root / std::string(Key.substr(0, 2)) / std::string(Key);
}
[[nodiscard]] bool isCacheMiss(const rcc::Expected<rcc::tooling::CacheEntry> &Result) {
return !Result && Result.error().code() == rcc::ErrorCode::CacheMiss;
}
} // namespace
int main() {
auto Target = rcc::riscv::createTargetDescription();
if (!Target)
return tooling_test::fail(Target.error().message());
const rcc::tooling::BackendInvocation Invocation = rcc::tooling::defaultRV64GCInvocation();
auto Input = tooling_test::loadCanonicalInput("RISCVGenericPipeline.mir", *Target, Invocation);
if (!Input)
return tooling_test::fail(Input.error().message());
auto Temporary = tooling_test::TemporaryDirectory::create("rcc-artifact-store-test");
if (!Temporary)
return tooling_test::fail(Temporary.error().message());
const std::vector<std::uint8_t> Assembly = bytes(".text\nret\n");
auto CacheManifest = rcc::tooling::createBackendManifest(
rcc::tooling::ManifestKind::Cache, rcc::tooling::ArtifactKind::Assembly, Invocation, *Target,
Input->Text, std::span<const std::uint8_t>(Assembly));
if (!CacheManifest)
return tooling_test::fail(CacheManifest.error().message());
const std::filesystem::path CacheRoot = Temporary->path() / "cache";
auto Stored = rcc::tooling::storeCacheEntry(CacheRoot, *CacheManifest, Input->Text, Assembly);
if (!Stored)
return tooling_test::fail(Stored.error().message());
auto Loaded = rcc::tooling::loadCacheEntry(CacheRoot, rcc::tooling::ArtifactKind::Assembly,
Invocation, *Target, Input->Text);
if (!Loaded || Loaded->Manifest != *CacheManifest || Loaded->InputMIR != Input->Text ||
Loaded->Artifact != Assembly || Loaded->ParsedArtifact) {
return tooling_test::fail("cache hit must reload and verify every stored artifact fact");
}
if (rcc::tooling::storeCacheEntry(CacheRoot, *CacheManifest, Input->Text, Assembly))
return tooling_test::fail("cache publication must not overwrite an existing entry");
auto WrongKind = rcc::tooling::loadCacheEntry(CacheRoot, rcc::tooling::ArtifactKind::FinalMIR,
Invocation, *Target, Input->Text);
if (!isCacheMiss(WrongKind))
return tooling_test::fail("cache lookup must include the requested artifact kind");
auto NonBoundary = rcc::tooling::loadCacheEntry(
CacheRoot, rcc::tooling::ArtifactKind::LegalizedMIR, Invocation, *Target, Input->Text);
if (!isCacheMiss(NonBoundary))
return tooling_test::fail("cache lookup must reject non-boundary MIR stages");
rcc::tooling::BackendInvocation OtherInvocation = Invocation;
OtherInvocation.Determinism.ThreadCount = 2;
auto OtherInvocationResult = rcc::tooling::loadCacheEntry(
CacheRoot, rcc::tooling::ArtifactKind::Assembly, OtherInvocation, *Target, Input->Text);
if (!isCacheMiss(OtherInvocationResult))
return tooling_test::fail("cache lookup must include deterministic invocation facts");
const std::vector<std::uint8_t> MIRBytes = bytes(Input->Text);
auto MIRManifest = rcc::tooling::createBackendManifest(
rcc::tooling::ManifestKind::Cache, rcc::tooling::ArtifactKind::PreLegalizerMIR, Invocation,
*Target, Input->Text, std::span<const std::uint8_t>(MIRBytes));
if (!MIRManifest)
return tooling_test::fail(MIRManifest.error().message());
const std::filesystem::path MIRCacheRoot = Temporary->path() / "mir-cache";
Stored = rcc::tooling::storeCacheEntry(MIRCacheRoot, *MIRManifest, Input->Text, MIRBytes);
if (!Stored)
return tooling_test::fail(Stored.error().message());
auto LoadedMIR = rcc::tooling::loadCacheEntry(
MIRCacheRoot, rcc::tooling::ArtifactKind::PreLegalizerMIR, Invocation, *Target, Input->Text);
if (!LoadedMIR || !LoadedMIR->ParsedArtifact || LoadedMIR->ParsedArtifact->Text != Input->Text) {
return tooling_test::fail("cached MIR artifacts must be parsed and canonicalized on reload");
}
const auto StoreCorruptible = [&](std::string_view Name) -> rcc::Expected<std::filesystem::path> {
const std::filesystem::path Root = Temporary->path() / Name;
auto Result = rcc::tooling::storeCacheEntry(Root, *CacheManifest, Input->Text, Assembly);
if (!Result)
return std::unexpected(Result.error());
return cacheEntry(Root, CacheManifest->CacheKey);
};
auto CorruptArtifactPath = StoreCorruptible("corrupt-artifact-cache");
if (!CorruptArtifactPath)
return tooling_test::fail(CorruptArtifactPath.error().message());
auto Written = tooling_test::writeText(*CorruptArtifactPath / "artifact.s", "corrupt");
if (!Written)
return tooling_test::fail(Written.error().message());
auto CorruptArtifact = rcc::tooling::loadCacheEntry(Temporary->path() / "corrupt-artifact-cache",
rcc::tooling::ArtifactKind::Assembly,
Invocation, *Target, Input->Text);
if (!isCacheMiss(CorruptArtifact))
return tooling_test::fail("cache reload must reject a corrupted artifact");
auto CorruptInputPath = StoreCorruptible("corrupt-input-cache");
if (!CorruptInputPath)
return tooling_test::fail(CorruptInputPath.error().message());
Written = tooling_test::writeText(*CorruptInputPath / "input.mir", "corrupt");
if (!Written)
return tooling_test::fail(Written.error().message());
auto CorruptInput = rcc::tooling::loadCacheEntry(Temporary->path() / "corrupt-input-cache",
rcc::tooling::ArtifactKind::Assembly, Invocation,
*Target, Input->Text);
if (!isCacheMiss(CorruptInput))
return tooling_test::fail("cache reload must reject a corrupted canonical input");
auto CorruptManifestPath = StoreCorruptible("corrupt-manifest-cache");
if (!CorruptManifestPath)
return tooling_test::fail(CorruptManifestPath.error().message());
Written = tooling_test::writeText(*CorruptManifestPath / "manifest.yaml", "---\ninvalid: true\n");
if (!Written)
return tooling_test::fail(Written.error().message());
auto CorruptManifest = rcc::tooling::loadCacheEntry(Temporary->path() / "corrupt-manifest-cache",
rcc::tooling::ArtifactKind::Assembly,
Invocation, *Target, Input->Text);
if (!isCacheMiss(CorruptManifest))
return tooling_test::fail("cache reload must reject a corrupted manifest");
std::vector<std::uint8_t> WrongArtifact = Assembly;
WrongArtifact.push_back(0);
if (rcc::tooling::storeCacheEntry(Temporary->path() / "wrong-artifact-cache", *CacheManifest,
Input->Text, WrongArtifact)) {
return tooling_test::fail("cache store must reject bytes that disagree with the manifest");
}
auto ReproducerManifest = rcc::tooling::createBackendManifest(
rcc::tooling::ManifestKind::Reproducer, rcc::tooling::ArtifactKind::Assembly, Invocation,
*Target, Input->Text);
if (!ReproducerManifest)
return tooling_test::fail(ReproducerManifest.error().message());
const std::filesystem::path ReproducerPath = Temporary->path() / "reproducer";
auto ReproducerWritten =
rcc::tooling::writeReproducer(ReproducerPath, *ReproducerManifest, Input->Text);
if (!ReproducerWritten)
return tooling_test::fail(ReproducerWritten.error().message());
auto Reproducer = rcc::tooling::loadReproducer(ReproducerPath, *Target);
if (!Reproducer || Reproducer->Manifest != *ReproducerManifest ||
Reproducer->Input.Text != Input->Text) {
return tooling_test::fail("reproducer reload must verify manifest and canonical MIR identity");
}
if (rcc::tooling::writeReproducer(ReproducerPath, *ReproducerManifest, Input->Text))
return tooling_test::fail("reproducer publication must not overwrite an existing package");
rcc::tooling::StructuredDiagnostic Diagnostic;
Diagnostic.Category = "verification error";
Diagnostic.Stage = "regbank-mir";
Diagnostic.Pass = "InstructionSelect";
Diagnostic.Function = "generic_pipeline";
Diagnostic.Rule = "machine-pass";
Diagnostic.Message = "required selection Action was rejected";
auto Updated = rcc::tooling::updateReproducerDiagnostics(ReproducerPath, {Diagnostic});
if (!Updated)
return tooling_test::fail(Updated.error().message());
Reproducer = rcc::tooling::loadReproducer(ReproducerPath, *Target);
if (!Reproducer || Reproducer->Manifest.Diagnostics !=
std::vector<rcc::tooling::StructuredDiagnostic>({Diagnostic})) {
return tooling_test::fail("reproducer diagnostic update must round-trip atomically");
}
for (const std::filesystem::directory_entry &Entry :
std::filesystem::directory_iterator(ReproducerPath)) {
if (Entry.path().filename().string().contains(".tmp."))
return tooling_test::fail("reproducer diagnostic update must not leave temporary files");
}
Written = tooling_test::writeText(ReproducerPath / "input.mir", "corrupt");
if (!Written)
return tooling_test::fail(Written.error().message());
if (rcc::tooling::loadReproducer(ReproducerPath, *Target))
return tooling_test::fail("reproducer reload must reject a modified input");
if (rcc::tooling::updateReproducerDiagnostics(ReproducerPath, {Diagnostic}))
return tooling_test::fail("diagnostic update must reject a modified reproducer input");
return 0;
}
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