ART: Run SsaBuilder from HGraphBuilder
First step towards merging the two passes, which will later result in
HGraphBuilder directly producing SSA form. This CL mostly just updates
tests broken by not being able to inspect the pre-SSA form.
Using HLocals outside the HGraphBuilder is now deprecated.
Bug: 27150508
Change-Id: I00fb6050580f409dcc5aa5b5aa3a536d6e8d759e
diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc
index dcd8e7d..12b748b 100644
--- a/compiler/optimizing/optimizing_compiler.cc
+++ b/compiler/optimizing/optimizing_compiler.cc
@@ -186,18 +186,10 @@
// Validate the HGraph if running in debug mode.
if (kIsDebugBuild) {
if (!graph_in_bad_state_) {
- if (graph_->IsInSsaForm()) {
- SSAChecker checker(graph_);
- checker.Run();
- if (!checker.IsValid()) {
- LOG(FATAL) << "Error after " << pass_name << ": " << Dumpable<SSAChecker>(checker);
- }
- } else {
- GraphChecker checker(graph_);
- checker.Run();
- if (!checker.IsValid()) {
- LOG(FATAL) << "Error after " << pass_name << ": " << Dumpable<GraphChecker>(checker);
- }
+ GraphChecker checker(graph_);
+ checker.Run();
+ if (!checker.IsValid()) {
+ LOG(FATAL) << "Error after " << pass_name << ": " << Dumpable<GraphChecker>(checker);
}
}
}
@@ -665,6 +657,7 @@
&& compiler_driver->RequiresConstructorBarrier(Thread::Current(),
dex_compilation_unit.GetDexFile(),
dex_compilation_unit.GetClassDefIndex());
+
HGraph* graph = new (arena) HGraph(
arena,
dex_file,
@@ -675,6 +668,21 @@
compiler_driver->GetCompilerOptions().GetDebuggable(),
osr);
+ const uint8_t* interpreter_metadata = nullptr;
+ {
+ ScopedObjectAccess soa(Thread::Current());
+ StackHandleScope<1> hs(soa.Self());
+ Handle<mirror::ClassLoader> loader(hs.NewHandle(
+ soa.Decode<mirror::ClassLoader*>(class_loader)));
+ ArtMethod* art_method = compiler_driver->ResolveMethod(
+ soa, dex_cache, loader, &dex_compilation_unit, method_idx, invoke_type);
+ // We may not get a method, for example if its class is erroneous.
+ if (art_method != nullptr) {
+ graph->SetArtMethod(art_method);
+ interpreter_metadata = art_method->GetQuickenedInfo();
+ }
+ }
+
std::unique_ptr<CodeGenerator> codegen(
CodeGenerator::Create(graph,
instruction_set,
@@ -692,73 +700,54 @@
visualizer_output_.get(),
compiler_driver);
- const uint8_t* interpreter_metadata = nullptr;
- {
- ScopedObjectAccess soa(Thread::Current());
- StackHandleScope<1> hs(soa.Self());
- Handle<mirror::ClassLoader> loader(hs.NewHandle(
- soa.Decode<mirror::ClassLoader*>(class_loader)));
- ArtMethod* art_method = compiler_driver->ResolveMethod(
- soa, dex_cache, loader, &dex_compilation_unit, method_idx, invoke_type);
- // We may not get a method, for example if its class is erroneous.
- if (art_method != nullptr) {
- graph->SetArtMethod(art_method);
- interpreter_metadata = art_method->GetQuickenedInfo();
- }
- }
- HGraphBuilder builder(graph,
- &dex_compilation_unit,
- &dex_compilation_unit,
- &dex_file,
- compiler_driver,
- compilation_stats_.get(),
- interpreter_metadata,
- dex_cache);
-
VLOG(compiler) << "Building " << pass_observer.GetMethodName();
{
- PassScope scope(HGraphBuilder::kBuilderPassName, &pass_observer);
- if (!builder.BuildGraph(*code_item)) {
- pass_observer.SetGraphInBadState();
- return nullptr;
- }
- }
+ ScopedObjectAccess soa(Thread::Current());
+ StackHandleScopeCollection handles(soa.Self());
+ // Do not hold `mutator_lock_` between optimizations.
+ ScopedThreadSuspension sts(soa.Self(), kNative);
- VLOG(compiler) << "Optimizing " << pass_observer.GetMethodName();
-
- ScopedObjectAccess soa(Thread::Current());
- StackHandleScopeCollection handles(soa.Self());
- ScopedThreadSuspension sts(soa.Self(), kNative);
-
- {
- PassScope scope(SsaBuilder::kSsaBuilderPassName, &pass_observer);
- GraphAnalysisResult result = graph->TryBuildingSsa(&handles);
- if (result != kAnalysisSuccess) {
- switch (result) {
- case kAnalysisFailThrowCatchLoop:
- MaybeRecordStat(MethodCompilationStat::kNotCompiledThrowCatchLoop);
- break;
- case kAnalysisFailAmbiguousArrayOp:
- MaybeRecordStat(MethodCompilationStat::kNotCompiledAmbiguousArrayOp);
- break;
- case kAnalysisSuccess:
- UNREACHABLE();
+ {
+ PassScope scope(HGraphBuilder::kBuilderPassName, &pass_observer);
+ HGraphBuilder builder(graph,
+ &dex_compilation_unit,
+ &dex_compilation_unit,
+ &dex_file,
+ compiler_driver,
+ compilation_stats_.get(),
+ interpreter_metadata,
+ dex_cache);
+ GraphAnalysisResult result = builder.BuildGraph(*code_item, &handles);
+ if (result != kAnalysisSuccess) {
+ switch (result) {
+ case kAnalysisInvalidBytecode:
+ break;
+ case kAnalysisFailThrowCatchLoop:
+ MaybeRecordStat(MethodCompilationStat::kNotCompiledThrowCatchLoop);
+ break;
+ case kAnalysisFailAmbiguousArrayOp:
+ MaybeRecordStat(MethodCompilationStat::kNotCompiledAmbiguousArrayOp);
+ break;
+ case kAnalysisSuccess:
+ UNREACHABLE();
+ }
+ pass_observer.SetGraphInBadState();
+ return nullptr;
}
- pass_observer.SetGraphInBadState();
- return nullptr;
}
- }
- RunOptimizations(graph,
- codegen.get(),
- compiler_driver,
- compilation_stats_.get(),
- dex_compilation_unit,
- &pass_observer,
- &handles);
- codegen->Compile(code_allocator);
- pass_observer.DumpDisassembly();
+ RunOptimizations(graph,
+ codegen.get(),
+ compiler_driver,
+ compilation_stats_.get(),
+ dex_compilation_unit,
+ &pass_observer,
+ &handles);
+
+ codegen->Compile(code_allocator);
+ pass_observer.DumpDisassembly();
+ }
if (kArenaAllocatorCountAllocations) {
if (arena->BytesAllocated() > 4 * MB) {