diff options
Diffstat (limited to 'compiler')
-rw-r--r-- | compiler/optimizing/builder.cc | 12 | ||||
-rw-r--r-- | compiler/optimizing/inliner.cc | 26 | ||||
-rw-r--r-- | compiler/optimizing/inliner.h | 3 | ||||
-rw-r--r-- | compiler/optimizing/nodes.h | 6 |
4 files changed, 31 insertions, 16 deletions
diff --git a/compiler/optimizing/builder.cc b/compiler/optimizing/builder.cc index ec7fd62975..cbb41b1837 100644 --- a/compiler/optimizing/builder.cc +++ b/compiler/optimizing/builder.cc @@ -616,8 +616,8 @@ bool HGraphBuilder::BuildInvoke(const Instruction& instruction, DCHECK((optimized_invoke_type == invoke_type) || (optimized_invoke_type != kDirect) || compiler_driver_->GetCompilerOptions().GetCompilePic()); bool is_recursive = - (target_method.dex_method_index == outer_compilation_unit_->GetDexMethodIndex()); - DCHECK(!is_recursive || (target_method.dex_file == outer_compilation_unit_->GetDexFile())); + (target_method.dex_method_index == dex_compilation_unit_->GetDexMethodIndex()); + DCHECK(!is_recursive || (target_method.dex_file == dex_compilation_unit_->GetDexFile())); invoke = new (arena_) HInvokeStaticOrDirect( arena_, number_of_arguments, return_type, dex_pc, target_method.dex_method_index, is_recursive, optimized_invoke_type); @@ -711,7 +711,7 @@ bool HGraphBuilder::BuildStaticFieldAccess(const Instruction& instruction, uint16_t field_index = instruction.VRegB_21c(); ScopedObjectAccess soa(Thread::Current()); - StackHandleScope<4> hs(soa.Self()); + StackHandleScope<5> hs(soa.Self()); Handle<mirror::DexCache> dex_cache(hs.NewHandle( dex_compilation_unit_->GetClassLinker()->FindDexCache(*dex_compilation_unit_->GetDexFile()))); Handle<mirror::ClassLoader> class_loader(hs.NewHandle( @@ -724,8 +724,10 @@ bool HGraphBuilder::BuildStaticFieldAccess(const Instruction& instruction, return false; } + Handle<mirror::DexCache> outer_dex_cache(hs.NewHandle( + outer_compilation_unit_->GetClassLinker()->FindDexCache(*outer_compilation_unit_->GetDexFile()))); Handle<mirror::Class> referrer_class(hs.NewHandle(compiler_driver_->ResolveCompilingMethodsClass( - soa, dex_cache, class_loader, outer_compilation_unit_))); + soa, outer_dex_cache, class_loader, outer_compilation_unit_))); // The index at which the field's class is stored in the DexCache's type array. uint32_t storage_index; @@ -738,7 +740,7 @@ bool HGraphBuilder::BuildStaticFieldAccess(const Instruction& instruction, // TODO: find out why this check is needed. bool is_in_dex_cache = compiler_driver_->CanAssumeTypeIsPresentInDexCache( - *outer_compilation_unit_->GetDexFile(), storage_index); + *dex_compilation_unit_->GetDexFile(), storage_index); bool is_initialized = resolved_field->GetDeclaringClass()->IsInitialized() && is_in_dex_cache; bool is_referrer_class = (referrer_class.Get() == resolved_field->GetDeclaringClass()); diff --git a/compiler/optimizing/inliner.cc b/compiler/optimizing/inliner.cc index 968fe3e73c..82d63573bc 100644 --- a/compiler/optimizing/inliner.cc +++ b/compiler/optimizing/inliner.cc @@ -85,11 +85,9 @@ bool HInliner::TryInline(HInvoke* invoke_instruction, return false; } + bool can_use_dex_cache = true; if (resolved_method->GetDexFile()->GetLocation().compare(outer_dex_file.GetLocation()) != 0) { - VLOG(compiler) << "Did not inline " - << PrettyMethod(method_index, outer_dex_file) - << " because it is in a different dex file"; - return false; + can_use_dex_cache = false; } const DexFile::CodeItem* code_item = resolved_method->GetCodeItem(); @@ -124,7 +122,7 @@ bool HInliner::TryInline(HInvoke* invoke_instruction, return false; } - if (!TryBuildAndInline(resolved_method, invoke_instruction, method_index)) { + if (!TryBuildAndInline(resolved_method, invoke_instruction, method_index, can_use_dex_cache)) { resolved_method->SetShouldNotInline(); return false; } @@ -136,7 +134,8 @@ bool HInliner::TryInline(HInvoke* invoke_instruction, bool HInliner::TryBuildAndInline(Handle<mirror::ArtMethod> resolved_method, HInvoke* invoke_instruction, - uint32_t method_index) const { + uint32_t method_index, + bool can_use_dex_cache) const { ScopedObjectAccess soa(Thread::Current()); const DexFile::CodeItem* code_item = resolved_method->GetCodeItem(); const DexFile& outer_dex_file = *outer_compilation_unit_.GetDexFile(); @@ -145,10 +144,10 @@ bool HInliner::TryBuildAndInline(Handle<mirror::ArtMethod> resolved_method, nullptr, outer_compilation_unit_.GetClassLoader(), outer_compilation_unit_.GetClassLinker(), - outer_dex_file, + *resolved_method->GetDexFile(), code_item, resolved_method->GetDeclaringClass()->GetDexClassDefIndex(), - method_index, + resolved_method->GetDexMethodIndex(), resolved_method->GetAccessFlags(), nullptr); @@ -159,7 +158,7 @@ bool HInliner::TryBuildAndInline(Handle<mirror::ArtMethod> resolved_method, HGraphBuilder builder(callee_graph, &dex_compilation_unit, &outer_compilation_unit_, - &outer_dex_file, + resolved_method->GetDexFile(), compiler_driver_, &inline_stats); @@ -200,7 +199,7 @@ bool HInliner::TryBuildAndInline(Handle<mirror::ArtMethod> resolved_method, if (depth_ + 1 < kDepthLimit) { HInliner inliner( - callee_graph, outer_compilation_unit_, compiler_driver_, stats_, depth_ + 1); + callee_graph, dex_compilation_unit, compiler_driver_, stats_, depth_ + 1); inliner.Run(); } @@ -235,6 +234,13 @@ bool HInliner::TryBuildAndInline(Handle<mirror::ArtMethod> resolved_method, << " needs an environment"; return false; } + + if (!can_use_dex_cache && current->NeedsDexCache()) { + VLOG(compiler) << "Method " << PrettyMethod(method_index, outer_dex_file) + << " could not be inlined because " << current->DebugName() + << " it is in a different dex file and requires access to the dex cache"; + return false; + } } } diff --git a/compiler/optimizing/inliner.h b/compiler/optimizing/inliner.h index 1251977138..4b7e2ff213 100644 --- a/compiler/optimizing/inliner.h +++ b/compiler/optimizing/inliner.h @@ -48,7 +48,8 @@ class HInliner : public HOptimization { bool TryInline(HInvoke* invoke_instruction, uint32_t method_index, InvokeType invoke_type) const; bool TryBuildAndInline(Handle<mirror::ArtMethod> resolved_method, HInvoke* invoke_instruction, - uint32_t method_index) const; + uint32_t method_index, + bool can_use_dex_cache) const; const DexCompilationUnit& outer_compilation_unit_; CompilerDriver* const compiler_driver_; diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h index a35fa1d8c3..07ff8ba010 100644 --- a/compiler/optimizing/nodes.h +++ b/compiler/optimizing/nodes.h @@ -1200,6 +1200,8 @@ class HInstruction : public ArenaObject<kArenaAllocMisc> { return NeedsEnvironment() || IsLoadClass() || IsLoadString(); } + virtual bool NeedsDexCache() const { return false; } + protected: virtual const HUserRecord<HInstruction*> InputRecordAt(size_t i) const = 0; virtual void SetRawInputRecordAt(size_t index, const HUserRecord<HInstruction*>& input) = 0; @@ -2090,6 +2092,7 @@ class HInvokeStaticOrDirect : public HInvoke { InvokeType GetInvokeType() const { return invoke_type_; } bool IsRecursive() const { return is_recursive_; } + bool NeedsDexCache() const OVERRIDE { return !IsRecursive(); } DECLARE_INSTRUCTION(InvokeStaticOrDirect); @@ -2972,6 +2975,8 @@ class HLoadClass : public HExpression<0> { return loaded_class_rti_.IsExact(); } + bool NeedsDexCache() const OVERRIDE { return !is_referrers_class_; } + DECLARE_INSTRUCTION(LoadClass); private: @@ -3007,6 +3012,7 @@ class HLoadString : public HExpression<0> { // TODO: Can we deopt or debug when we resolve a string? bool NeedsEnvironment() const OVERRIDE { return false; } + bool NeedsDexCache() const OVERRIDE { return true; } DECLARE_INSTRUCTION(LoadString); |