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// SPDX-License-Identifier: GPL-3.0-or-later
#include "rcc/Tooling/BackendManifest.h"
#include "ToolingTestSupport.h"
#include "rcc/Target/RISCV/RISCVTarget.h"
#include <algorithm>
#include <cstdint>
#include <optional>
#include <string>
#include <string_view>
#include <utility>
#include <vector>
namespace {
using rcc::tooling::BackendInvocation;
[[nodiscard]] bool keyDiffers(const BackendInvocation &Base, BackendInvocation Changed,
std::string_view Input, std::string_view Fingerprint) {
auto Canonicalized = Changed.canonicalizeAndVerify();
if (!Canonicalized)
return false;
auto BaseKey = rcc::tooling::computeCacheKey(Input, Base, Fingerprint);
auto ChangedKey = rcc::tooling::computeCacheKey(Input, Changed, Fingerprint);
return BaseKey && ChangedKey && *BaseKey != *ChangedKey;
}
} // namespace
int main() {
auto Target = rcc::riscv::createTargetDescription();
if (!Target)
return tooling_test::fail(Target.error().message());
const BackendInvocation Base = rcc::tooling::defaultRV64GCInvocation();
auto Fingerprint = rcc::tooling::computeTargetDescriptionFingerprint(*Target);
if (!Fingerprint || Fingerprint->size() != 64)
return tooling_test::fail("target description fingerprint must be a SHA-256 digest");
auto RepeatedFingerprint = rcc::tooling::computeTargetDescriptionFingerprint(*Target);
if (!RepeatedFingerprint || *RepeatedFingerprint != *Fingerprint)
return tooling_test::fail("target description fingerprint must be deterministic");
BackendInvocation Unordered = Base;
std::ranges::reverse(Unordered.Features);
std::ranges::reverse(Unordered.TargetOptions);
Unordered.EnabledActions = {"spill", "coalesce"};
auto Canonicalized = Unordered.canonicalizeAndVerify();
if (!Canonicalized || !std::ranges::is_sorted(Unordered.Features) ||
!std::ranges::is_sorted(Unordered.TargetOptions, {}, &rcc::tooling::BackendOption::Name) ||
Unordered.EnabledActions != std::vector<std::string>({"coalesce", "spill"})) {
return tooling_test::fail("backend invocation canonicalization must sort explicit identities");
}
BackendInvocation DuplicateFeature = Base;
DuplicateFeature.Features.push_back("+i");
if (DuplicateFeature.canonicalizeAndVerify())
return tooling_test::fail("backend invocation must reject duplicate target features");
BackendInvocation ZeroThreads = Base;
ZeroThreads.Determinism.ThreadCount = 0;
if (ZeroThreads.canonicalizeAndVerify())
return tooling_test::fail("backend invocation must reject a zero thread count");
constexpr std::string_view Input = "canonical MIR";
auto BaseKey = rcc::tooling::computeCacheKey(Input, Base, *Fingerprint);
if (!BaseKey || BaseKey->size() != 64)
return tooling_test::fail("cache key must be a SHA-256 digest");
auto DifferentInput = rcc::tooling::computeCacheKey("different MIR", Base, *Fingerprint);
if (!DifferentInput || *DifferentInput == *BaseKey)
return tooling_test::fail("cache key must include canonical MIR");
std::string DifferentFingerprint(64, '0');
auto DifferentTarget = rcc::tooling::computeCacheKey(Input, Base, DifferentFingerprint);
if (!DifferentTarget || *DifferentTarget == *BaseKey)
return tooling_test::fail("cache key must include the target description fingerprint");
BackendInvocation Changed = Base;
Changed.Triple += "-variant";
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include the target triple");
Changed = Base;
Changed.CPU += "-variant";
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include the target CPU");
Changed = Base;
Changed.TuneCPU += "-variant";
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include the tuning CPU");
Changed = Base;
Changed.Features.front() = "+variant";
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include target features");
Changed = Base;
Changed.ABI += "-variant";
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include the ABI");
Changed = Base;
Changed.DataLayout += "-variant";
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include the data layout");
Changed = Base;
Changed.Relocation = rcc::tooling::RelocationModel::Static;
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include the relocation model");
Changed = Base;
Changed.Code = rcc::tooling::CodeModel::Medium;
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include the code model");
Changed = Base;
Changed.TargetOptions.front().Value = "variant";
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include target options");
Changed = Base;
Changed.Layout = rcc::tooling::LayoutOwnership::CompilerFinalLayout;
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include layout ownership");
Changed = Base;
Changed.AssemblerVersion += "-variant";
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include assembler identity");
Changed = Base;
Changed.AssemblerOptions.front().Value = "false";
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include assembler options");
Changed = Base;
Changed.Optimization = rcc::tooling::OptimizationLevel::O3;
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include the optimization level");
Changed = Base;
Changed.PassPipeline = {"Legalizer"};
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include the pass pipeline");
Changed = Base;
Changed.Determinism.RandomSeed = 1;
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include the random seed");
Changed = Base;
Changed.Determinism.ThreadCount = 2;
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include the thread count");
Changed = Base;
Changed.Determinism.StableScheduling = false;
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include stable scheduling");
Changed = Base;
Changed.ActionFuel = 7;
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include Action fuel");
Changed = Base;
Changed.EnabledActions = {"Legalizer"};
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include enabled Actions");
Changed = Base;
Changed.BuildFingerprint += "-variant";
if (!keyDiffers(Base, Changed, Input, *Fingerprint))
return tooling_test::fail("cache key must include the backend build fingerprint");
rcc::tooling::StructuredDiagnostic Diagnostic;
Diagnostic.Category = "verification error";
Diagnostic.Stage = "selected-mir";
Diagnostic.Pass = "test-pass";
Diagnostic.Function = "test-function";
Diagnostic.Block = 3;
Diagnostic.Instruction = 7;
Diagnostic.Operand = 1;
Diagnostic.SourceLocation = "input.mir:4:5";
Diagnostic.TargetConstraint = "GPR";
Diagnostic.Rule = "test-rule";
Diagnostic.Message = "quoted \"message\"\nline";
auto Manifest = rcc::tooling::createBackendManifest(rcc::tooling::ManifestKind::Reproducer,
rcc::tooling::ArtifactKind::Assembly, Base,
*Target, Input, std::nullopt, {Diagnostic});
if (!Manifest)
return tooling_test::fail(Manifest.error().message());
auto Printed = rcc::tooling::printBackendManifest(*Manifest);
if (!Printed)
return tooling_test::fail(Printed.error().message());
auto Parsed = rcc::tooling::parseBackendManifest("manifest.yaml", *Printed);
if (!Parsed || *Parsed != *Manifest)
return tooling_test::fail("manifest printer and strict parser must round-trip all fields");
BackendInvocation EmptyCollections = Base;
EmptyCollections.TargetOptions.clear();
EmptyCollections.AssemblerOptions.clear();
auto EmptyManifest = rcc::tooling::createBackendManifest(rcc::tooling::ManifestKind::Reproducer,
rcc::tooling::ArtifactKind::FinalMIR,
EmptyCollections, *Target, Input);
if (!EmptyManifest)
return tooling_test::fail(EmptyManifest.error().message());
auto EmptyPrinted = rcc::tooling::printBackendManifest(*EmptyManifest);
if (!EmptyPrinted)
return tooling_test::fail(EmptyPrinted.error().message());
auto EmptyParsed = rcc::tooling::parseBackendManifest("empty-manifest.yaml", *EmptyPrinted);
if (!EmptyParsed || *EmptyParsed != *EmptyManifest)
return tooling_test::fail("manifest must preserve explicitly empty collections");
std::string Unknown = *Printed;
Unknown.insert(Unknown.find("schema:"), "unknown: 1\n");
if (rcc::tooling::parseBackendManifest("unknown.yaml", std::move(Unknown)))
return tooling_test::fail("strict manifest parsing must reject unknown keys");
std::string Duplicate = *Printed;
Duplicate.insert(Duplicate.find("schema:"), "schema: 1\n");
if (rcc::tooling::parseBackendManifest("duplicate.yaml", std::move(Duplicate)))
return tooling_test::fail("strict manifest parsing must reject duplicate keys");
std::string Missing = *Printed;
const std::size_t ABI = Missing.find(" abi:");
Missing.erase(ABI, Missing.find('\n', ABI) - ABI + 1U);
if (rcc::tooling::parseBackendManifest("missing.yaml", std::move(Missing)))
return tooling_test::fail("strict manifest parsing must reject missing invocation facts");
return 0;
}
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