diff options
Diffstat (limited to 'compiler')
-rw-r--r-- | compiler/dex/verified_method.cc | 1 | ||||
-rw-r--r-- | compiler/dex/verified_method.h | 7 | ||||
-rw-r--r-- | compiler/driver/compiler_driver.cc | 7 | ||||
-rw-r--r-- | compiler/driver/compiler_driver.h | 4 | ||||
-rw-r--r-- | compiler/optimizing/inliner.cc | 7 | ||||
-rw-r--r-- | compiler/optimizing/optimizing_compiler.cc | 23 | ||||
-rw-r--r-- | compiler/optimizing/optimizing_compiler_stats.h | 4 |
7 files changed, 46 insertions, 7 deletions
diff --git a/compiler/dex/verified_method.cc b/compiler/dex/verified_method.cc index 5b90ba9..7746221 100644 --- a/compiler/dex/verified_method.cc +++ b/compiler/dex/verified_method.cc @@ -40,6 +40,7 @@ namespace art { const VerifiedMethod* VerifiedMethod::Create(verifier::MethodVerifier* method_verifier, bool compile) { std::unique_ptr<VerifiedMethod> verified_method(new VerifiedMethod); + verified_method->has_verification_failures_ = method_verifier->HasFailures(); if (compile) { /* Generate a register map. */ if (!verified_method->GenerateGcMap(method_verifier)) { diff --git a/compiler/dex/verified_method.h b/compiler/dex/verified_method.h index 954cbf4..437ae52 100644 --- a/compiler/dex/verified_method.h +++ b/compiler/dex/verified_method.h @@ -70,6 +70,11 @@ class VerifiedMethod { // by using the check-cast elision peephole optimization in the verifier. bool IsSafeCast(uint32_t pc) const; + // Returns true if there were any errors during verification. + bool HasVerificationFailures() const { + return has_verification_failures_; + } + private: VerifiedMethod() = default; @@ -107,6 +112,8 @@ class VerifiedMethod { // dex PC to dex method index or dex field index based on the instruction. DequickenMap dequicken_map_; SafeCastSet safe_cast_set_; + + bool has_verification_failures_; }; } // namespace art diff --git a/compiler/driver/compiler_driver.cc b/compiler/driver/compiler_driver.cc index c2b8375..1698464 100644 --- a/compiler/driver/compiler_driver.cc +++ b/compiler/driver/compiler_driver.cc @@ -2345,6 +2345,13 @@ CompiledMethod* CompilerDriver::GetCompiledMethod(MethodReference ref) const { return it->second; } +bool CompilerDriver::IsMethodVerifiedWithoutFailures(uint32_t method_idx, + const DexFile& dex_file) const { + MethodReference method_ref(&dex_file, method_idx); + const VerifiedMethod* verified_method = GetVerificationResults()->GetVerifiedMethod(method_ref); + return (verified_method != nullptr) && !verified_method->HasVerificationFailures(); +} + size_t CompilerDriver::GetNonRelativeLinkerPatchCount() const { MutexLock mu(Thread::Current(), compiled_methods_lock_); return non_relative_linker_patch_count_; diff --git a/compiler/driver/compiler_driver.h b/compiler/driver/compiler_driver.h index a6ed559..b3ca25b 100644 --- a/compiler/driver/compiler_driver.h +++ b/compiler/driver/compiler_driver.h @@ -425,6 +425,10 @@ class CompilerDriver { void RecordClassStatus(ClassReference ref, mirror::Class::Status status) LOCKS_EXCLUDED(compiled_classes_lock_); + // Checks if the specified method has been verified without failures. Returns + // false if the method is not in the verification results (GetVerificationResults). + bool IsMethodVerifiedWithoutFailures(uint32_t method_idx, const DexFile& dex_file) const; + SwapVector<uint8_t>* DeduplicateCode(const ArrayRef<const uint8_t>& code); SwapSrcMap* DeduplicateSrcMappingTable(const ArrayRef<SrcMapElem>& src_map); SwapVector<uint8_t>* DeduplicateMappingTable(const ArrayRef<const uint8_t>& code); diff --git a/compiler/optimizing/inliner.cc b/compiler/optimizing/inliner.cc index 2c17a67..65f1ed2 100644 --- a/compiler/optimizing/inliner.cc +++ b/compiler/optimizing/inliner.cc @@ -31,6 +31,8 @@ #include "ssa_phi_elimination.h" #include "scoped_thread_state_change.h" #include "thread.h" +#include "dex/verified_method.h" +#include "dex/verification_results.h" namespace art { @@ -114,9 +116,10 @@ bool HInliner::TryInline(HInvoke* invoke_instruction, return false; } - if (!resolved_method->GetDeclaringClass()->IsVerified()) { + if (compiler_driver_->IsMethodVerifiedWithoutFailures( + method_index, *resolved_method->GetDexFile())) { VLOG(compiler) << "Method " << PrettyMethod(method_index, caller_dex_file) - << " is not inlined because its class could not be verified"; + << " has verification failures, so it cannot be inlined"; return false; } diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc index 0e02212..4f58462 100644 --- a/compiler/optimizing/optimizing_compiler.cc +++ b/compiler/optimizing/optimizing_compiler.cc @@ -31,6 +31,8 @@ #include "constant_folding.h" #include "dead_code_elimination.h" #include "dex/quick/dex_file_to_method_inliner_map.h" +#include "dex/verified_method.h" +#include "dex/verification_results.h" #include "driver/compiler_driver.h" #include "driver/compiler_options.h" #include "driver/dex_compilation_unit.h" @@ -45,13 +47,13 @@ #include "mirror/art_method-inl.h" #include "nodes.h" #include "prepare_for_register_allocation.h" +#include "reference_type_propagation.h" #include "register_allocator.h" #include "side_effects_analysis.h" #include "ssa_builder.h" #include "ssa_phi_elimination.h" #include "ssa_liveness_analysis.h" #include "utils/assembler.h" -#include "reference_type_propagation.h" namespace art { @@ -606,15 +608,26 @@ CompiledMethod* OptimizingCompiler::Compile(const DexFile::CodeItem* code_item, InvokeType invoke_type, uint16_t class_def_idx, uint32_t method_idx, - jobject class_loader, + jobject jclass_loader, const DexFile& dex_file) const { - CompiledMethod* method = TryCompile(code_item, access_flags, invoke_type, class_def_idx, - method_idx, class_loader, dex_file); + CompilerDriver* compiler_driver = GetCompilerDriver(); + CompiledMethod* method = nullptr; + if (compiler_driver->IsMethodVerifiedWithoutFailures(method_idx, dex_file)) { + method = TryCompile(code_item, access_flags, invoke_type, class_def_idx, + method_idx, jclass_loader, dex_file); + } else { + if (compiler_driver->GetCompilerOptions().VerifyAtRuntime()) { + compilation_stats_.RecordStat(MethodCompilationStat::kNotCompiledVerifyAtRuntime); + } else { + compilation_stats_.RecordStat(MethodCompilationStat::kNotCompiledClassNotVerified); + } + } + if (method != nullptr) { return method; } method = delegate_->Compile(code_item, access_flags, invoke_type, class_def_idx, method_idx, - class_loader, dex_file); + jclass_loader, dex_file); if (method != nullptr) { compilation_stats_.RecordStat(MethodCompilationStat::kCompiledQuick); diff --git a/compiler/optimizing/optimizing_compiler_stats.h b/compiler/optimizing/optimizing_compiler_stats.h index 4d5b8d0..d4a936d 100644 --- a/compiler/optimizing/optimizing_compiler_stats.h +++ b/compiler/optimizing/optimizing_compiler_stats.h @@ -45,6 +45,8 @@ enum MethodCompilationStat { kNotCompiledCantAccesType, kNotOptimizedRegisterAllocator, kNotCompiledUnhandledInstruction, + kNotCompiledVerifyAtRuntime, + kNotCompiledClassNotVerified, kRemovedCheckedCast, kRemovedNullCheck, kInstructionSimplifications, @@ -109,6 +111,8 @@ class OptimizingCompilerStats { case kNotCompiledSpaceFilter : return "kNotCompiledSpaceFilter"; case kNotOptimizedRegisterAllocator : return "kNotOptimizedRegisterAllocator"; case kNotCompiledUnhandledInstruction : return "kNotCompiledUnhandledInstruction"; + case kNotCompiledVerifyAtRuntime : return "kNotCompiledVerifyAtRuntime"; + case kNotCompiledClassNotVerified : return "kNotCompiledClassNotVerified"; case kRemovedCheckedCast: return "kRemovedCheckedCast"; case kRemovedNullCheck: return "kRemovedNullCheck"; case kInstructionSimplifications: return "kInstructionSimplifications"; |