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llvm-project/llvm/unittests/IR/PassBuilderCallbacksTest.cpp

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//===- unittests/IR/PassBuilderCallbacksTest.cpp - PB Callback 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 "llvm/Testing/Support/Error.h"
#include <functional>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <llvm/ADT/Any.h>
#include <llvm/Analysis/CGSCCPassManager.h>
#include <llvm/Analysis/LoopAnalysisManager.h>
#include <llvm/AsmParser/Parser.h>
#include <llvm/IR/LLVMContext.h>
#include <llvm/IR/PassInstrumentation.h>
#include <llvm/IR/PassManager.h>
#include <llvm/Passes/PassBuilder.h>
#include <llvm/Support/Regex.h>
#include <llvm/Support/SourceMgr.h>
#include <llvm/Transforms/Scalar/LoopPassManager.h>
using namespace llvm;
namespace {
using testing::AnyNumber;
using testing::AtLeast;
using testing::DoDefault;
using testing::Not;
using testing::Return;
using testing::Expectation;
using testing::Invoke;
using testing::WithArgs;
using testing::_;
/// A CRTP base for analysis mock handles
///
/// This class reconciles mocking with the value semantics implementation of the
/// AnalysisManager. Analysis mock handles should derive from this class and
/// call \c setDefault() in their constroctur for wiring up the defaults defined
/// by this base with their mock run() and invalidate() implementations.
template <typename DerivedT, typename IRUnitT,
typename AnalysisManagerT = AnalysisManager<IRUnitT>,
typename... ExtraArgTs>
class MockAnalysisHandleBase {
public:
class Analysis : public AnalysisInfoMixin<Analysis> {
friend AnalysisInfoMixin<Analysis>;
friend MockAnalysisHandleBase;
static AnalysisKey Key;
DerivedT *Handle;
Analysis(DerivedT &Handle) : Handle(&Handle) {
static_assert(std::is_base_of<MockAnalysisHandleBase, DerivedT>::value,
"Must pass the derived type to this template!");
}
public:
class Result {
friend MockAnalysisHandleBase;
DerivedT *Handle;
Result(DerivedT &Handle) : Handle(&Handle) {}
public:
// Forward invalidation events to the mock handle.
bool invalidate(IRUnitT &IR, const PreservedAnalyses &PA,
typename AnalysisManagerT::Invalidator &Inv) {
return Handle->invalidate(IR, PA, Inv);
}
};
Result run(IRUnitT &IR, AnalysisManagerT &AM, ExtraArgTs... ExtraArgs) {
return Handle->run(IR, AM, ExtraArgs...);
}
};
Analysis getAnalysis() { return Analysis(static_cast<DerivedT &>(*this)); }
typename Analysis::Result getResult() {
return typename Analysis::Result(static_cast<DerivedT &>(*this));
}
static StringRef getName() { return llvm::getTypeName<DerivedT>(); }
protected:
// FIXME: MSVC seems unable to handle a lambda argument to Invoke from within
// the template, so we use a boring static function.
static bool invalidateCallback(IRUnitT &IR, const PreservedAnalyses &PA,
typename AnalysisManagerT::Invalidator &Inv) {
auto PAC = PA.template getChecker<Analysis>();
return !PAC.preserved() &&
!PAC.template preservedSet<AllAnalysesOn<IRUnitT>>();
}
/// Derived classes should call this in their constructor to set up default
/// mock actions. (We can't do this in our constructor because this has to
/// run after the DerivedT is constructed.)
void setDefaults() {
ON_CALL(static_cast<DerivedT &>(*this),
run(_, _, testing::Matcher<ExtraArgTs>(_)...))
.WillByDefault(Return(this->getResult()));
ON_CALL(static_cast<DerivedT &>(*this), invalidate(_, _, _))
.WillByDefault(Invoke(&invalidateCallback));
}
};
/// A CRTP base for pass mock handles
///
/// This class reconciles mocking with the value semantics implementation of the
/// PassManager. Pass mock handles should derive from this class and
/// call \c setDefault() in their constroctur for wiring up the defaults defined
/// by this base with their mock run() and invalidate() implementations.
template <typename DerivedT, typename IRUnitT, typename AnalysisManagerT,
typename... ExtraArgTs>
AnalysisKey MockAnalysisHandleBase<DerivedT, IRUnitT, AnalysisManagerT,
ExtraArgTs...>::Analysis::Key;
template <typename DerivedT, typename IRUnitT,
typename AnalysisManagerT = AnalysisManager<IRUnitT>,
typename... ExtraArgTs>
class MockPassHandleBase {
public:
class Pass : public PassInfoMixin<Pass> {
friend MockPassHandleBase;
DerivedT *Handle;
Pass(DerivedT &Handle) : Handle(&Handle) {
static_assert(std::is_base_of<MockPassHandleBase, DerivedT>::value,
"Must pass the derived type to this template!");
}
public:
PreservedAnalyses run(IRUnitT &IR, AnalysisManagerT &AM,
ExtraArgTs... ExtraArgs) {
return Handle->run(IR, AM, ExtraArgs...);
}
};
static StringRef getName() { return llvm::getTypeName<DerivedT>(); }
Pass getPass() { return Pass(static_cast<DerivedT &>(*this)); }
protected:
/// Derived classes should call this in their constructor to set up default
/// mock actions. (We can't do this in our constructor because this has to
/// run after the DerivedT is constructed.)
void setDefaults() {
ON_CALL(static_cast<DerivedT &>(*this),
run(_, _, testing::Matcher<ExtraArgTs>(_)...))
.WillByDefault(Return(PreservedAnalyses::all()));
}
};
/// Mock handles for passes for the IRUnits Module, CGSCC, Function, Loop.
/// These handles define the appropriate run() mock interface for the respective
/// IRUnit type.
template <typename IRUnitT> struct MockPassHandle;
template <>
struct MockPassHandle<Loop>
: MockPassHandleBase<MockPassHandle<Loop>, Loop, LoopAnalysisManager,
LoopStandardAnalysisResults &, LPMUpdater &> {
MOCK_METHOD4(run,
PreservedAnalyses(Loop &, LoopAnalysisManager &,
LoopStandardAnalysisResults &, LPMUpdater &));
static void invalidateLoop(Loop &L, LoopAnalysisManager &,
LoopStandardAnalysisResults &,
LPMUpdater &Updater) {
Updater.markLoopAsDeleted(L, L.getName());
}
MockPassHandle() { setDefaults(); }
};
template <>
struct MockPassHandle<Function>
: MockPassHandleBase<MockPassHandle<Function>, Function> {
MOCK_METHOD2(run, PreservedAnalyses(Function &, FunctionAnalysisManager &));
MockPassHandle() { setDefaults(); }
};
template <>
struct MockPassHandle<LazyCallGraph::SCC>
: MockPassHandleBase<MockPassHandle<LazyCallGraph::SCC>, LazyCallGraph::SCC,
CGSCCAnalysisManager, LazyCallGraph &,
CGSCCUpdateResult &> {
MOCK_METHOD4(run,
PreservedAnalyses(LazyCallGraph::SCC &, CGSCCAnalysisManager &,
LazyCallGraph &G, CGSCCUpdateResult &UR));
static void invalidateSCC(LazyCallGraph::SCC &C, CGSCCAnalysisManager &,
LazyCallGraph &, CGSCCUpdateResult &UR) {
UR.InvalidatedSCCs.insert(&C);
}
MockPassHandle() { setDefaults(); }
};
template <>
struct MockPassHandle<Module>
: MockPassHandleBase<MockPassHandle<Module>, Module> {
MOCK_METHOD2(run, PreservedAnalyses(Module &, ModuleAnalysisManager &));
MockPassHandle() { setDefaults(); }
};
/// Mock handles for analyses for the IRUnits Module, CGSCC, Function, Loop.
/// These handles define the appropriate run() and invalidate() mock interfaces
/// for the respective IRUnit type.
template <typename IRUnitT> struct MockAnalysisHandle;
template <>
struct MockAnalysisHandle<Loop>
: MockAnalysisHandleBase<MockAnalysisHandle<Loop>, Loop,
LoopAnalysisManager,
LoopStandardAnalysisResults &> {
MOCK_METHOD3_T(run, typename Analysis::Result(Loop &, LoopAnalysisManager &,
LoopStandardAnalysisResults &));
MOCK_METHOD3_T(invalidate, bool(Loop &, const PreservedAnalyses &,
LoopAnalysisManager::Invalidator &));
MockAnalysisHandle<Loop>() { this->setDefaults(); }
};
template <>
struct MockAnalysisHandle<Function>
: MockAnalysisHandleBase<MockAnalysisHandle<Function>, Function> {
MOCK_METHOD2(run, Analysis::Result(Function &, FunctionAnalysisManager &));
MOCK_METHOD3(invalidate, bool(Function &, const PreservedAnalyses &,
FunctionAnalysisManager::Invalidator &));
MockAnalysisHandle<Function>() { setDefaults(); }
};
template <>
struct MockAnalysisHandle<LazyCallGraph::SCC>
: MockAnalysisHandleBase<MockAnalysisHandle<LazyCallGraph::SCC>,
LazyCallGraph::SCC, CGSCCAnalysisManager,
LazyCallGraph &> {
MOCK_METHOD3(run, Analysis::Result(LazyCallGraph::SCC &,
CGSCCAnalysisManager &, LazyCallGraph &));
MOCK_METHOD3(invalidate, bool(LazyCallGraph::SCC &, const PreservedAnalyses &,
CGSCCAnalysisManager::Invalidator &));
MockAnalysisHandle<LazyCallGraph::SCC>() { setDefaults(); }
};
template <>
struct MockAnalysisHandle<Module>
: MockAnalysisHandleBase<MockAnalysisHandle<Module>, Module> {
MOCK_METHOD2(run, Analysis::Result(Module &, ModuleAnalysisManager &));
MOCK_METHOD3(invalidate, bool(Module &, const PreservedAnalyses &,
ModuleAnalysisManager::Invalidator &));
MockAnalysisHandle<Module>() { setDefaults(); }
};
static std::unique_ptr<Module> parseIR(LLVMContext &C, const char *IR) {
SMDiagnostic Err;
return parseAssemblyString(IR, Err, C);
}
/// Helper for HasName matcher that returns getName both for IRUnit and
/// for IRUnit pointer wrapper into llvm::Any (wrapped by PassInstrumentation).
template <typename IRUnitT> std::string getName(const IRUnitT &IR) {
return IR.getName();
}
template <> std::string getName(const StringRef &name) { return name; }
template <> std::string getName(const llvm::Any &WrappedIR) {
if (any_isa<const Module *>(WrappedIR))
return any_cast<const Module *>(WrappedIR)->getName().str();
if (any_isa<const Function *>(WrappedIR))
return any_cast<const Function *>(WrappedIR)->getName().str();
if (any_isa<const Loop *>(WrappedIR))
return any_cast<const Loop *>(WrappedIR)->getName().str();
if (any_isa<const LazyCallGraph::SCC *>(WrappedIR))
return any_cast<const LazyCallGraph::SCC *>(WrappedIR)->getName();
return "<UNKNOWN>";
}
/// Define a custom matcher for objects which support a 'getName' method.
///
/// LLVM often has IR objects or analysis objects which expose a name
/// and in tests it is convenient to match these by name for readability.
/// Usually, this name is either a StringRef or a plain std::string. This
/// matcher supports any type exposing a getName() method of this form whose
/// return value is compatible with an std::ostream. For StringRef, this uses
/// the shift operator defined above.
///
/// It should be used as:
///
/// HasName("my_function")
///
/// No namespace or other qualification is required.
MATCHER_P(HasName, Name, "") {
*result_listener << "has name '" << getName(arg) << "'";
return Name == getName(arg);
}
MATCHER_P(HasNameRegex, Name, "") {
*result_listener << "has name '" << getName(arg) << "'";
llvm::Regex r(Name);
return r.match(getName(arg));
}
struct MockPassInstrumentationCallbacks {
PassInstrumentationCallbacks Callbacks;
MockPassInstrumentationCallbacks() {
ON_CALL(*this, runBeforePass(_, _)).WillByDefault(Return(true));
}
MOCK_METHOD2(runBeforePass, bool(StringRef PassID, llvm::Any));
MOCK_METHOD2(runAfterPass, void(StringRef PassID, llvm::Any));
MOCK_METHOD1(runAfterPassInvalidated, void(StringRef PassID));
MOCK_METHOD2(runBeforeAnalysis, void(StringRef PassID, llvm::Any));
MOCK_METHOD2(runAfterAnalysis, void(StringRef PassID, llvm::Any));
void registerPassInstrumentation() {
Callbacks.registerBeforePassCallback([this](StringRef P, llvm::Any IR) {
return this->runBeforePass(P, IR);
});
Callbacks.registerAfterPassCallback(
[this](StringRef P, llvm::Any IR) { this->runAfterPass(P, IR); });
Callbacks.registerAfterPassInvalidatedCallback(
[this](StringRef P) { this->runAfterPassInvalidated(P); });
Callbacks.registerBeforeAnalysisCallback([this](StringRef P, llvm::Any IR) {
return this->runBeforeAnalysis(P, IR);
});
Callbacks.registerAfterAnalysisCallback(
[this](StringRef P, llvm::Any IR) { this->runAfterAnalysis(P, IR); });
}
void ignoreNonMockPassInstrumentation(StringRef IRName) {
// Generic EXPECT_CALLs are needed to match instrumentation on unimportant
// parts of a pipeline that we do not care about (e.g. various passes added
// by default by PassBuilder - Verifier pass etc).
// Make sure to avoid ignoring Mock passes/analysis, we definitely want
// to check these explicitly.
EXPECT_CALL(*this,
runBeforePass(Not(HasNameRegex("Mock")), HasName(IRName)))
.Times(AnyNumber());
EXPECT_CALL(*this, runAfterPass(Not(HasNameRegex("Mock")), HasName(IRName)))
.Times(AnyNumber());
EXPECT_CALL(*this,
runBeforeAnalysis(Not(HasNameRegex("Mock")), HasName(IRName)))
.Times(AnyNumber());
EXPECT_CALL(*this,
runAfterAnalysis(Not(HasNameRegex("Mock")), HasName(IRName)))
.Times(AnyNumber());
}
};
template <typename PassManagerT> class PassBuilderCallbacksTest;
/// This test fixture is shared between all the actual tests below and
/// takes care of setting up appropriate defaults.
///
/// The template specialization serves to extract the IRUnit and AM types from
/// the given PassManagerT.
template <typename TestIRUnitT, typename... ExtraPassArgTs,
typename... ExtraAnalysisArgTs>
class PassBuilderCallbacksTest<PassManager<
TestIRUnitT, AnalysisManager<TestIRUnitT, ExtraAnalysisArgTs...>,
ExtraPassArgTs...>> : public testing::Test {
protected:
using IRUnitT = TestIRUnitT;
using AnalysisManagerT = AnalysisManager<TestIRUnitT, ExtraAnalysisArgTs...>;
using PassManagerT =
PassManager<TestIRUnitT, AnalysisManagerT, ExtraPassArgTs...>;
using AnalysisT = typename MockAnalysisHandle<IRUnitT>::Analysis;
LLVMContext Context;
std::unique_ptr<Module> M;
MockPassInstrumentationCallbacks CallbacksHandle;
PassBuilder PB;
ModulePassManager PM;
LoopAnalysisManager LAM;
FunctionAnalysisManager FAM;
CGSCCAnalysisManager CGAM;
ModuleAnalysisManager AM;
MockPassHandle<IRUnitT> PassHandle;
MockAnalysisHandle<IRUnitT> AnalysisHandle;
static PreservedAnalyses getAnalysisResult(IRUnitT &U, AnalysisManagerT &AM,
ExtraAnalysisArgTs &&... Args) {
(void)AM.template getResult<AnalysisT>(
U, std::forward<ExtraAnalysisArgTs>(Args)...);
return PreservedAnalyses::all();
}
PassBuilderCallbacksTest()
: M(parseIR(Context,
"declare void @bar()\n"
"define void @foo(i32 %n) {\n"
"entry:\n"
" br label %loop\n"
"loop:\n"
" %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]\n"
" %iv.next = add i32 %iv, 1\n"
" tail call void @bar()\n"
" %cmp = icmp eq i32 %iv, %n\n"
" br i1 %cmp, label %exit, label %loop\n"
"exit:\n"
" ret void\n"
"}\n")),
CallbacksHandle(),
PB(nullptr, PipelineTuningOptions(), None, &CallbacksHandle.Callbacks),
PM(true), LAM(true), FAM(true), CGAM(true), AM(true) {
/// Register a callback for analysis registration.
///
/// The callback is a function taking a reference to an AnalyisManager
/// object. When called, the callee gets to register its own analyses with
/// this PassBuilder instance.
PB.registerAnalysisRegistrationCallback([this](AnalysisManagerT &AM) {
// Register our mock analysis
AM.registerPass([this] { return AnalysisHandle.getAnalysis(); });
});
/// Register a callback for pipeline parsing.
///
/// During parsing of a textual pipeline, the PassBuilder will call these
/// callbacks for each encountered pass name that it does not know. This
/// includes both simple pass names as well as names of sub-pipelines. In
/// the latter case, the InnerPipeline is not empty.
PB.registerPipelineParsingCallback(
[this](StringRef Name, PassManagerT &PM,
ArrayRef<PassBuilder::PipelineElement> InnerPipeline) {
/// Handle parsing of the names of analysis utilities such as
/// require<test-analysis> and invalidate<test-analysis> for our
/// analysis mock handle
if (parseAnalysisUtilityPasses<AnalysisT>("test-analysis", Name, PM))
return true;
/// Parse the name of our pass mock handle
if (Name == "test-transform") {
PM.addPass(PassHandle.getPass());
return true;
}
return false;
});
/// Register builtin analyses and cross-register the analysis proxies
PB.registerModuleAnalyses(AM);
PB.registerCGSCCAnalyses(CGAM);
PB.registerFunctionAnalyses(FAM);
PB.registerLoopAnalyses(LAM);
PB.crossRegisterProxies(LAM, FAM, CGAM, AM);
}
};
using ModuleCallbacksTest = PassBuilderCallbacksTest<ModulePassManager>;
using CGSCCCallbacksTest = PassBuilderCallbacksTest<CGSCCPassManager>;
using FunctionCallbacksTest = PassBuilderCallbacksTest<FunctionPassManager>;
using LoopCallbacksTest = PassBuilderCallbacksTest<LoopPassManager>;
/// Test parsing of the name of our mock pass for all IRUnits.
///
/// The pass should by default run our mock analysis and then preserve it.
TEST_F(ModuleCallbacksTest, Passes) {
EXPECT_CALL(AnalysisHandle, run(HasName("<string>"), _));
EXPECT_CALL(PassHandle, run(HasName("<string>"), _))
.WillOnce(Invoke(getAnalysisResult));
StringRef PipelineText = "test-transform";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
}
TEST_F(ModuleCallbacksTest, InstrumentedPasses) {
EXPECT_CALL(AnalysisHandle, run(HasName("<string>"), _));
EXPECT_CALL(PassHandle, run(HasName("<string>"), _))
.WillOnce(Invoke(getAnalysisResult));
CallbacksHandle.registerPassInstrumentation();
// Non-mock instrumentation not specifically mentioned below can be ignored.
CallbacksHandle.ignoreNonMockPassInstrumentation("<string>");
// PassInstrumentation calls should happen in-sequence, in the same order
// as passes/analyses are scheduled.
::testing::Sequence PISequence;
EXPECT_CALL(CallbacksHandle, runBeforePass(HasNameRegex("MockPassHandle"),
HasName("<string>")))
.InSequence(PISequence);
EXPECT_CALL(CallbacksHandle,
runBeforeAnalysis(HasNameRegex("MockAnalysisHandle"),
HasName("<string>")))
.InSequence(PISequence);
EXPECT_CALL(
CallbacksHandle,
runAfterAnalysis(HasNameRegex("MockAnalysisHandle"), HasName("<string>")))
.InSequence(PISequence);
EXPECT_CALL(CallbacksHandle,
runAfterPass(HasNameRegex("MockPassHandle"), HasName("<string>")))
.InSequence(PISequence);
StringRef PipelineText = "test-transform";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
}
TEST_F(ModuleCallbacksTest, InstrumentedSkippedPasses) {
CallbacksHandle.registerPassInstrumentation();
// Non-mock instrumentation run here can safely be ignored.
CallbacksHandle.ignoreNonMockPassInstrumentation("<string>");
// Skip the pass by returning false.
EXPECT_CALL(CallbacksHandle, runBeforePass(HasNameRegex("MockPassHandle"),
HasName("<string>")))
.WillOnce(Return(false));
EXPECT_CALL(AnalysisHandle, run(HasName("<string>"), _)).Times(0);
EXPECT_CALL(PassHandle, run(HasName("<string>"), _)).Times(0);
// As the pass is skipped there is no afterPass, beforeAnalysis/afterAnalysis
// as well.
EXPECT_CALL(CallbacksHandle, runAfterPass(HasNameRegex("MockPassHandle"), _))
.Times(0);
EXPECT_CALL(CallbacksHandle,
runBeforeAnalysis(HasNameRegex("MockAnalysisHandle"), _))
.Times(0);
EXPECT_CALL(CallbacksHandle,
runAfterAnalysis(HasNameRegex("MockAnalysisHandle"), _))
.Times(0);
StringRef PipelineText = "test-transform";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
}
TEST_F(FunctionCallbacksTest, Passes) {
EXPECT_CALL(AnalysisHandle, run(HasName("foo"), _));
EXPECT_CALL(PassHandle, run(HasName("foo"), _))
.WillOnce(Invoke(getAnalysisResult));
StringRef PipelineText = "test-transform";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
}
TEST_F(FunctionCallbacksTest, InstrumentedPasses) {
CallbacksHandle.registerPassInstrumentation();
// Non-mock instrumentation not specifically mentioned below can be ignored.
CallbacksHandle.ignoreNonMockPassInstrumentation("<string>");
CallbacksHandle.ignoreNonMockPassInstrumentation("foo");
EXPECT_CALL(AnalysisHandle, run(HasName("foo"), _));
EXPECT_CALL(PassHandle, run(HasName("foo"), _))
.WillOnce(Invoke(getAnalysisResult));
// PassInstrumentation calls should happen in-sequence, in the same order
// as passes/analyses are scheduled.
::testing::Sequence PISequence;
EXPECT_CALL(CallbacksHandle,
runBeforePass(HasNameRegex("MockPassHandle"), HasName("foo")))
.InSequence(PISequence);
EXPECT_CALL(
CallbacksHandle,
runBeforeAnalysis(HasNameRegex("MockAnalysisHandle"), HasName("foo")))
.InSequence(PISequence);
EXPECT_CALL(
CallbacksHandle,
runAfterAnalysis(HasNameRegex("MockAnalysisHandle"), HasName("foo")))
.InSequence(PISequence);
EXPECT_CALL(CallbacksHandle,
runAfterPass(HasNameRegex("MockPassHandle"), HasName("foo")))
.InSequence(PISequence);
// Our mock pass does not invalidate IR.
EXPECT_CALL(CallbacksHandle,
runAfterPassInvalidated(HasNameRegex("MockPassHandle")))
.Times(0);
StringRef PipelineText = "test-transform";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
}
TEST_F(FunctionCallbacksTest, InstrumentedSkippedPasses) {
CallbacksHandle.registerPassInstrumentation();
// Non-mock instrumentation run here can safely be ignored.
CallbacksHandle.ignoreNonMockPassInstrumentation("<string>");
CallbacksHandle.ignoreNonMockPassInstrumentation("foo");
// Skip the pass by returning false.
EXPECT_CALL(CallbacksHandle,
runBeforePass(HasNameRegex("MockPassHandle"), HasName("foo")))
.WillOnce(Return(false));
EXPECT_CALL(AnalysisHandle, run(HasName("foo"), _)).Times(0);
EXPECT_CALL(PassHandle, run(HasName("foo"), _)).Times(0);
// As the pass is skipped there is no afterPass, beforeAnalysis/afterAnalysis
// as well.
EXPECT_CALL(CallbacksHandle, runAfterPass(HasNameRegex("MockPassHandle"), _))
.Times(0);
EXPECT_CALL(CallbacksHandle,
runAfterPassInvalidated(HasNameRegex("MockPassHandle")))
.Times(0);
EXPECT_CALL(CallbacksHandle, runAfterPass(HasNameRegex("MockPassHandle"), _))
.Times(0);
EXPECT_CALL(CallbacksHandle,
runBeforeAnalysis(HasNameRegex("MockAnalysisHandle"), _))
.Times(0);
EXPECT_CALL(CallbacksHandle,
runAfterAnalysis(HasNameRegex("MockAnalysisHandle"), _))
.Times(0);
StringRef PipelineText = "test-transform";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
}
TEST_F(LoopCallbacksTest, Passes) {
EXPECT_CALL(AnalysisHandle, run(HasName("loop"), _, _));
EXPECT_CALL(PassHandle, run(HasName("loop"), _, _, _))
.WillOnce(WithArgs<0, 1, 2>(Invoke(getAnalysisResult)));
StringRef PipelineText = "test-transform";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
}
TEST_F(LoopCallbacksTest, InstrumentedPasses) {
CallbacksHandle.registerPassInstrumentation();
// Non-mock instrumentation not specifically mentioned below can be ignored.
CallbacksHandle.ignoreNonMockPassInstrumentation("<string>");
CallbacksHandle.ignoreNonMockPassInstrumentation("foo");
CallbacksHandle.ignoreNonMockPassInstrumentation("loop");
EXPECT_CALL(AnalysisHandle, run(HasName("loop"), _, _));
EXPECT_CALL(PassHandle, run(HasName("loop"), _, _, _))
.WillOnce(WithArgs<0, 1, 2>(Invoke(getAnalysisResult)));
// PassInstrumentation calls should happen in-sequence, in the same order
// as passes/analyses are scheduled.
::testing::Sequence PISequence;
EXPECT_CALL(CallbacksHandle,
runBeforePass(HasNameRegex("MockPassHandle"), HasName("loop")))
.InSequence(PISequence);
EXPECT_CALL(
CallbacksHandle,
runBeforeAnalysis(HasNameRegex("MockAnalysisHandle"), HasName("loop")))
.InSequence(PISequence);
EXPECT_CALL(
CallbacksHandle,
runAfterAnalysis(HasNameRegex("MockAnalysisHandle"), HasName("loop")))
.InSequence(PISequence);
EXPECT_CALL(CallbacksHandle,
runAfterPass(HasNameRegex("MockPassHandle"), HasName("loop")))
.InSequence(PISequence);
// Our mock pass does not invalidate IR.
EXPECT_CALL(CallbacksHandle,
runAfterPassInvalidated(HasNameRegex("MockPassHandle")))
.Times(0);
StringRef PipelineText = "test-transform";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
}
TEST_F(LoopCallbacksTest, InstrumentedInvalidatingPasses) {
CallbacksHandle.registerPassInstrumentation();
// Non-mock instrumentation not specifically mentioned below can be ignored.
CallbacksHandle.ignoreNonMockPassInstrumentation("<string>");
CallbacksHandle.ignoreNonMockPassInstrumentation("foo");
CallbacksHandle.ignoreNonMockPassInstrumentation("loop");
EXPECT_CALL(AnalysisHandle, run(HasName("loop"), _, _));
EXPECT_CALL(PassHandle, run(HasName("loop"), _, _, _))
.WillOnce(DoAll(WithArgs<0, 1, 2, 3>(Invoke(PassHandle.invalidateLoop)),
WithArgs<0, 1, 2>(Invoke(getAnalysisResult))));
// PassInstrumentation calls should happen in-sequence, in the same order
// as passes/analyses are scheduled.
::testing::Sequence PISequence;
EXPECT_CALL(CallbacksHandle,
runBeforePass(HasNameRegex("MockPassHandle"), HasName("loop")))
.InSequence(PISequence);
EXPECT_CALL(
CallbacksHandle,
runBeforeAnalysis(HasNameRegex("MockAnalysisHandle"), HasName("loop")))
.InSequence(PISequence);
EXPECT_CALL(
CallbacksHandle,
runAfterAnalysis(HasNameRegex("MockAnalysisHandle"), HasName("loop")))
.InSequence(PISequence);
EXPECT_CALL(CallbacksHandle,
runAfterPassInvalidated(HasNameRegex("MockPassHandle")))
.InSequence(PISequence);
EXPECT_CALL(CallbacksHandle,
runAfterPassInvalidated(HasNameRegex("^PassManager")))
.InSequence(PISequence);
// Our mock pass invalidates IR, thus normal runAfterPass is never called.
EXPECT_CALL(CallbacksHandle,
runAfterPass(HasNameRegex("MockPassHandle"), HasName("loop")))
.Times(0);
StringRef PipelineText = "test-transform";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
}
TEST_F(LoopCallbacksTest, InstrumentedSkippedPasses) {
CallbacksHandle.registerPassInstrumentation();
// Non-mock instrumentation run here can safely be ignored.
CallbacksHandle.ignoreNonMockPassInstrumentation("<string>");
CallbacksHandle.ignoreNonMockPassInstrumentation("foo");
CallbacksHandle.ignoreNonMockPassInstrumentation("loop");
// Skip the pass by returning false.
EXPECT_CALL(CallbacksHandle,
runBeforePass(HasNameRegex("MockPassHandle"), HasName("loop")))
.WillOnce(Return(false));
EXPECT_CALL(AnalysisHandle, run(HasName("loop"), _, _)).Times(0);
EXPECT_CALL(PassHandle, run(HasName("loop"), _, _, _)).Times(0);
// As the pass is skipped there is no afterPass, beforeAnalysis/afterAnalysis
// as well.
EXPECT_CALL(CallbacksHandle, runAfterPass(HasNameRegex("MockPassHandle"), _))
.Times(0);
EXPECT_CALL(CallbacksHandle,
runAfterPassInvalidated(HasNameRegex("MockPassHandle")))
.Times(0);
EXPECT_CALL(CallbacksHandle,
runBeforeAnalysis(HasNameRegex("MockAnalysisHandle"), _))
.Times(0);
EXPECT_CALL(CallbacksHandle,
runAfterAnalysis(HasNameRegex("MockAnalysisHandle"), _))
.Times(0);
StringRef PipelineText = "test-transform";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
}
TEST_F(CGSCCCallbacksTest, Passes) {
EXPECT_CALL(AnalysisHandle, run(HasName("(foo)"), _, _));
EXPECT_CALL(PassHandle, run(HasName("(foo)"), _, _, _))
.WillOnce(WithArgs<0, 1, 2>(Invoke(getAnalysisResult)));
StringRef PipelineText = "test-transform";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
}
TEST_F(CGSCCCallbacksTest, InstrumentedPasses) {
CallbacksHandle.registerPassInstrumentation();
// Non-mock instrumentation not specifically mentioned below can be ignored.
CallbacksHandle.ignoreNonMockPassInstrumentation("<string>");
CallbacksHandle.ignoreNonMockPassInstrumentation("foo");
CallbacksHandle.ignoreNonMockPassInstrumentation("(foo)");
EXPECT_CALL(AnalysisHandle, run(HasName("(foo)"), _, _));
EXPECT_CALL(PassHandle, run(HasName("(foo)"), _, _, _))
.WillOnce(WithArgs<0, 1, 2>(Invoke(getAnalysisResult)));
// PassInstrumentation calls should happen in-sequence, in the same order
// as passes/analyses are scheduled.
::testing::Sequence PISequence;
EXPECT_CALL(CallbacksHandle,
runBeforePass(HasNameRegex("MockPassHandle"), HasName("(foo)")))
.InSequence(PISequence);
EXPECT_CALL(
CallbacksHandle,
runBeforeAnalysis(HasNameRegex("MockAnalysisHandle"), HasName("(foo)")))
.InSequence(PISequence);
EXPECT_CALL(
CallbacksHandle,
runAfterAnalysis(HasNameRegex("MockAnalysisHandle"), HasName("(foo)")))
.InSequence(PISequence);
EXPECT_CALL(CallbacksHandle,
runAfterPass(HasNameRegex("MockPassHandle"), HasName("(foo)")))
.InSequence(PISequence);
// Our mock pass does not invalidate IR.
EXPECT_CALL(CallbacksHandle,
runAfterPassInvalidated(HasNameRegex("MockPassHandle")))
.Times(0);
StringRef PipelineText = "test-transform";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
}
TEST_F(CGSCCCallbacksTest, InstrumentedInvalidatingPasses) {
CallbacksHandle.registerPassInstrumentation();
// Non-mock instrumentation not specifically mentioned below can be ignored.
CallbacksHandle.ignoreNonMockPassInstrumentation("<string>");
CallbacksHandle.ignoreNonMockPassInstrumentation("foo");
CallbacksHandle.ignoreNonMockPassInstrumentation("(foo)");
EXPECT_CALL(AnalysisHandle, run(HasName("(foo)"), _, _));
EXPECT_CALL(PassHandle, run(HasName("(foo)"), _, _, _))
.WillOnce(DoAll(WithArgs<0, 1, 2, 3>(Invoke(PassHandle.invalidateSCC)),
WithArgs<0, 1, 2>(Invoke(getAnalysisResult))));
// PassInstrumentation calls should happen in-sequence, in the same order
// as passes/analyses are scheduled.
::testing::Sequence PISequence;
EXPECT_CALL(CallbacksHandle,
runBeforePass(HasNameRegex("MockPassHandle"), HasName("(foo)")))
.InSequence(PISequence);
EXPECT_CALL(
CallbacksHandle,
runBeforeAnalysis(HasNameRegex("MockAnalysisHandle"), HasName("(foo)")))
.InSequence(PISequence);
EXPECT_CALL(
CallbacksHandle,
runAfterAnalysis(HasNameRegex("MockAnalysisHandle"), HasName("(foo)")))
.InSequence(PISequence);
EXPECT_CALL(CallbacksHandle,
runAfterPassInvalidated(HasNameRegex("MockPassHandle")))
.InSequence(PISequence);
EXPECT_CALL(CallbacksHandle,
runAfterPassInvalidated(HasNameRegex("^PassManager")))
.InSequence(PISequence);
// Our mock pass does invalidate IR, thus normal runAfterPass is never called.
EXPECT_CALL(CallbacksHandle,
runAfterPass(HasNameRegex("MockPassHandle"), HasName("(foo)")))
.Times(0);
StringRef PipelineText = "test-transform";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
}
TEST_F(CGSCCCallbacksTest, InstrumentedSkippedPasses) {
CallbacksHandle.registerPassInstrumentation();
// Non-mock instrumentation run here can safely be ignored.
CallbacksHandle.ignoreNonMockPassInstrumentation("<string>");
CallbacksHandle.ignoreNonMockPassInstrumentation("foo");
CallbacksHandle.ignoreNonMockPassInstrumentation("(foo)");
// Skip the pass by returning false.
EXPECT_CALL(CallbacksHandle,
runBeforePass(HasNameRegex("MockPassHandle"), HasName("(foo)")))
.WillOnce(Return(false));
// neither Analysis nor Pass are called.
EXPECT_CALL(AnalysisHandle, run(HasName("(foo)"), _, _)).Times(0);
EXPECT_CALL(PassHandle, run(HasName("(foo)"), _, _, _)).Times(0);
// As the pass is skipped there is no afterPass, beforeAnalysis/afterAnalysis
// as well.
EXPECT_CALL(CallbacksHandle, runAfterPass(HasNameRegex("MockPassHandle"), _))
.Times(0);
EXPECT_CALL(CallbacksHandle,
runAfterPassInvalidated(HasNameRegex("MockPassHandle")))
.Times(0);
EXPECT_CALL(CallbacksHandle,
runBeforeAnalysis(HasNameRegex("MockAnalysisHandle"), _))
.Times(0);
EXPECT_CALL(CallbacksHandle,
runAfterAnalysis(HasNameRegex("MockAnalysisHandle"), _))
.Times(0);
StringRef PipelineText = "test-transform";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
}
/// Test parsing of the names of analysis utilities for our mock analysis
/// for all IRUnits.
///
/// We first require<>, then invalidate<> it, expecting the analysis to be run
/// once and subsequently invalidated.
TEST_F(ModuleCallbacksTest, AnalysisUtilities) {
EXPECT_CALL(AnalysisHandle, run(HasName("<string>"), _));
EXPECT_CALL(AnalysisHandle, invalidate(HasName("<string>"), _, _));
StringRef PipelineText = "require<test-analysis>,invalidate<test-analysis>";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
}
TEST_F(CGSCCCallbacksTest, PassUtilities) {
EXPECT_CALL(AnalysisHandle, run(HasName("(foo)"), _, _));
EXPECT_CALL(AnalysisHandle, invalidate(HasName("(foo)"), _, _));
StringRef PipelineText = "require<test-analysis>,invalidate<test-analysis>";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
}
TEST_F(FunctionCallbacksTest, AnalysisUtilities) {
EXPECT_CALL(AnalysisHandle, run(HasName("foo"), _));
EXPECT_CALL(AnalysisHandle, invalidate(HasName("foo"), _, _));
StringRef PipelineText = "require<test-analysis>,invalidate<test-analysis>";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
}
TEST_F(LoopCallbacksTest, PassUtilities) {
EXPECT_CALL(AnalysisHandle, run(HasName("loop"), _, _));
EXPECT_CALL(AnalysisHandle, invalidate(HasName("loop"), _, _));
StringRef PipelineText = "require<test-analysis>,invalidate<test-analysis>";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
}
/// Test parsing of the top-level pipeline.
///
/// The ParseTopLevelPipeline callback takes over parsing of the entire pipeline
/// from PassBuilder if it encounters an unknown pipeline entry at the top level
/// (i.e., the first entry on the pipeline).
/// This test parses a pipeline named 'another-pipeline', whose only elements
/// may be the test-transform pass or the analysis utilities
TEST_F(ModuleCallbacksTest, ParseTopLevelPipeline) {
PB.registerParseTopLevelPipelineCallback([this](
ModulePassManager &MPM, ArrayRef<PassBuilder::PipelineElement> Pipeline,
bool VerifyEachPass, bool DebugLogging) {
auto &FirstName = Pipeline.front().Name;
auto &InnerPipeline = Pipeline.front().InnerPipeline;
if (FirstName == "another-pipeline") {
for (auto &E : InnerPipeline) {
if (parseAnalysisUtilityPasses<AnalysisT>("test-analysis", E.Name, PM))
continue;
if (E.Name == "test-transform") {
PM.addPass(PassHandle.getPass());
continue;
}
return false;
}
}
return true;
});
EXPECT_CALL(AnalysisHandle, run(HasName("<string>"), _));
EXPECT_CALL(PassHandle, run(HasName("<string>"), _))
.WillOnce(Invoke(getAnalysisResult));
EXPECT_CALL(AnalysisHandle, invalidate(HasName("<string>"), _, _));
StringRef PipelineText =
"another-pipeline(test-transform,invalidate<test-analysis>)";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Succeeded())
<< "Pipeline was: " << PipelineText;
PM.run(*M, AM);
/// Test the negative case
PipelineText = "another-pipeline(instcombine)";
ASSERT_THAT_ERROR(PB.parsePassPipeline(PM, PipelineText, true), Failed())
<< "Pipeline was: " << PipelineText;
}
} // end anonymous namespace
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