Don't use the compiler driver for method resolution.
The compiler driver makes assumptions that don't hold for
the optimizing compiler, and will for example always go to
slow path for an invoke-super when there's no verified method.
Also fix GenerateInvokeVirtual in the presence of intrinsics.
Next change will address some of the TODOs in sharpening.cc.
Change-Id: I2b0e543ee9b9bebcadb2d26de29e850c59ad58b9
diff --git a/compiler/optimizing/builder.cc b/compiler/optimizing/builder.cc
index d7754e8..8e75bdc 100644
--- a/compiler/optimizing/builder.cc
+++ b/compiler/optimizing/builder.cc
@@ -735,6 +735,79 @@
}
}
+ArtMethod* HGraphBuilder::ResolveMethod(uint16_t method_idx, InvokeType invoke_type) {
+ ScopedObjectAccess soa(Thread::Current());
+ StackHandleScope<2> hs(soa.Self());
+
+ ClassLinker* class_linker = dex_compilation_unit_->GetClassLinker();
+ Handle<mirror::ClassLoader> class_loader(hs.NewHandle(
+ soa.Decode<mirror::ClassLoader*>(dex_compilation_unit_->GetClassLoader())));
+ Handle<mirror::Class> compiling_class(hs.NewHandle(GetCompilingClass()));
+
+ ArtMethod* resolved_method = class_linker->ResolveMethod(
+ *dex_compilation_unit_->GetDexFile(),
+ method_idx,
+ dex_compilation_unit_->GetDexCache(),
+ class_loader,
+ /* referrer */ nullptr,
+ invoke_type);
+
+ if (UNLIKELY(resolved_method == nullptr)) {
+ // Clean up any exception left by type resolution.
+ soa.Self()->ClearException();
+ return nullptr;
+ }
+
+ // Check access. The class linker has a fast path for looking into the dex cache
+ // and does not check the access if it hits it.
+ if (compiling_class.Get() == nullptr) {
+ if (!resolved_method->IsPublic()) {
+ return nullptr;
+ }
+ } else if (!compiling_class->CanAccessResolvedMethod(resolved_method->GetDeclaringClass(),
+ resolved_method,
+ dex_compilation_unit_->GetDexCache().Get(),
+ method_idx)) {
+ return nullptr;
+ }
+
+ // We have to special case the invoke-super case, as ClassLinker::ResolveMethod does not.
+ // We need to look at the referrer's super class vtable.
+ if (invoke_type == kSuper) {
+ if (compiling_class.Get() == nullptr) {
+ // Invoking a super method requires knowing the actual super class. If we did not resolve
+ // the compiling method's declaring class (which only happens for ahead of time compilation),
+ // bail out.
+ DCHECK(Runtime::Current()->IsAotCompiler());
+ return nullptr;
+ }
+ uint16_t vtable_index = resolved_method->GetMethodIndex();
+ ArtMethod* actual_method = compiling_class->GetSuperClass()->GetVTableEntry(
+ vtable_index, class_linker->GetImagePointerSize());
+ if (actual_method != resolved_method &&
+ !IsSameDexFile(*resolved_method->GetDexFile(), *dex_compilation_unit_->GetDexFile())) {
+ // TODO: The actual method could still be referenced in the current dex file, so we
+ // could try locating it.
+ // TODO: Remove the dex_file restriction.
+ return nullptr;
+ }
+ if (!actual_method->IsInvokable()) {
+ // Fail if the actual method cannot be invoked. Otherwise, the runtime resolution stub
+ // could resolve the callee to the wrong method.
+ return nullptr;
+ }
+ resolved_method = actual_method;
+ }
+
+ // Check for incompatible class changes. The class linker has a fast path for
+ // looking into the dex cache and does not check incompatible class changes if it hits it.
+ if (resolved_method->CheckIncompatibleClassChange(invoke_type)) {
+ return nullptr;
+ }
+
+ return resolved_method;
+}
+
bool HGraphBuilder::BuildInvoke(const Instruction& instruction,
uint32_t dex_pc,
uint32_t method_idx,
@@ -742,22 +815,18 @@
bool is_range,
uint32_t* args,
uint32_t register_index) {
- InvokeType original_invoke_type = GetInvokeTypeFromOpCode(instruction.Opcode());
- InvokeType optimized_invoke_type = original_invoke_type;
+ InvokeType invoke_type = GetInvokeTypeFromOpCode(instruction.Opcode());
const char* descriptor = dex_file_->GetMethodShorty(method_idx);
Primitive::Type return_type = Primitive::GetType(descriptor[0]);
// Remove the return type from the 'proto'.
size_t number_of_arguments = strlen(descriptor) - 1;
- if (original_invoke_type != kStatic) { // instance call
+ if (invoke_type != kStatic) { // instance call
// One extra argument for 'this'.
number_of_arguments++;
}
MethodReference target_method(dex_file_, method_idx);
- int32_t table_index = 0;
- uintptr_t direct_code = 0;
- uintptr_t direct_method = 0;
// Special handling for string init.
int32_t string_init_offset = 0;
@@ -780,7 +849,7 @@
method_idx,
target_method,
dispatch_info,
- original_invoke_type,
+ invoke_type,
kStatic /* optimized_invoke_type */,
HInvokeStaticOrDirect::ClinitCheckRequirement::kImplicit);
return HandleStringInit(invoke,
@@ -791,23 +860,16 @@
descriptor);
}
- // Handle unresolved methods.
- if (!compiler_driver_->ComputeInvokeInfo(dex_compilation_unit_,
- dex_pc,
- true /* update_stats */,
- true /* enable_devirtualization */,
- &optimized_invoke_type,
- &target_method,
- &table_index,
- &direct_code,
- &direct_method)) {
+ ArtMethod* resolved_method = ResolveMethod(method_idx, invoke_type);
+
+ if (resolved_method == nullptr) {
MaybeRecordStat(MethodCompilationStat::kUnresolvedMethod);
HInvoke* invoke = new (arena_) HInvokeUnresolved(arena_,
number_of_arguments,
return_type,
dex_pc,
method_idx,
- original_invoke_type);
+ invoke_type);
return HandleInvoke(invoke,
number_of_vreg_arguments,
args,
@@ -817,21 +879,26 @@
nullptr /* clinit_check */);
}
- // Handle resolved methods (non string init).
-
- DCHECK(optimized_invoke_type != kSuper);
-
// Potential class initialization check, in the case of a static method call.
HClinitCheck* clinit_check = nullptr;
HInvoke* invoke = nullptr;
- if (optimized_invoke_type == kDirect || optimized_invoke_type == kStatic) {
+ if (invoke_type == kDirect || invoke_type == kStatic || invoke_type == kSuper) {
// By default, consider that the called method implicitly requires
// an initialization check of its declaring method.
HInvokeStaticOrDirect::ClinitCheckRequirement clinit_check_requirement
= HInvokeStaticOrDirect::ClinitCheckRequirement::kImplicit;
- if (optimized_invoke_type == kStatic) {
- clinit_check = ProcessClinitCheckForInvoke(dex_pc, method_idx, &clinit_check_requirement);
+ ScopedObjectAccess soa(Thread::Current());
+ if (invoke_type == kStatic) {
+ clinit_check = ProcessClinitCheckForInvoke(
+ dex_pc, resolved_method, method_idx, &clinit_check_requirement);
+ } else if (invoke_type == kSuper) {
+ if (IsSameDexFile(*resolved_method->GetDexFile(), *dex_compilation_unit_->GetDexFile())) {
+ // Update the target method to the one resolved. Note that this may be a no-op if
+ // we resolved to the method referenced by the instruction.
+ method_idx = resolved_method->GetDexMethodIndex();
+ target_method = MethodReference(dex_file_, method_idx);
+ }
}
HInvokeStaticOrDirect::DispatchInfo dispatch_info = {
@@ -847,24 +914,26 @@
method_idx,
target_method,
dispatch_info,
- original_invoke_type,
- optimized_invoke_type,
+ invoke_type,
+ invoke_type,
clinit_check_requirement);
- } else if (optimized_invoke_type == kVirtual) {
+ } else if (invoke_type == kVirtual) {
+ ScopedObjectAccess soa(Thread::Current()); // Needed for the method index
invoke = new (arena_) HInvokeVirtual(arena_,
number_of_arguments,
return_type,
dex_pc,
method_idx,
- table_index);
+ resolved_method->GetMethodIndex());
} else {
- DCHECK_EQ(optimized_invoke_type, kInterface);
+ DCHECK_EQ(invoke_type, kInterface);
+ ScopedObjectAccess soa(Thread::Current()); // Needed for the method index
invoke = new (arena_) HInvokeInterface(arena_,
number_of_arguments,
return_type,
dex_pc,
method_idx,
- table_index);
+ resolved_method->GetDexMethodIndex());
}
return HandleInvoke(invoke,
@@ -962,23 +1031,18 @@
HClinitCheck* HGraphBuilder::ProcessClinitCheckForInvoke(
uint32_t dex_pc,
+ ArtMethod* resolved_method,
uint32_t method_idx,
HInvokeStaticOrDirect::ClinitCheckRequirement* clinit_check_requirement) {
- ScopedObjectAccess soa(Thread::Current());
- StackHandleScope<5> hs(soa.Self());
+ const DexFile& outer_dex_file = *outer_compilation_unit_->GetDexFile();
+ Thread* self = Thread::Current();
+ StackHandleScope<4> hs(self);
Handle<mirror::DexCache> dex_cache(hs.NewHandle(
dex_compilation_unit_->GetClassLinker()->FindDexCache(
- soa.Self(), *dex_compilation_unit_->GetDexFile())));
- Handle<mirror::ClassLoader> class_loader(hs.NewHandle(
- soa.Decode<mirror::ClassLoader*>(dex_compilation_unit_->GetClassLoader())));
- ArtMethod* resolved_method = compiler_driver_->ResolveMethod(
- soa, dex_cache, class_loader, dex_compilation_unit_, method_idx, InvokeType::kStatic);
-
- DCHECK(resolved_method != nullptr);
-
- const DexFile& outer_dex_file = *outer_compilation_unit_->GetDexFile();
+ self, *dex_compilation_unit_->GetDexFile())));
Handle<mirror::DexCache> outer_dex_cache(hs.NewHandle(
- outer_compilation_unit_->GetClassLinker()->FindDexCache(soa.Self(), outer_dex_file)));
+ outer_compilation_unit_->GetClassLinker()->FindDexCache(
+ self, outer_dex_file)));
Handle<mirror::Class> outer_class(hs.NewHandle(GetOutermostCompilingClass()));
Handle<mirror::Class> resolved_method_class(hs.NewHandle(resolved_method->GetDeclaringClass()));
diff --git a/compiler/optimizing/builder.h b/compiler/optimizing/builder.h
index 5ada93f..c3979f3 100644
--- a/compiler/optimizing/builder.h
+++ b/compiler/optimizing/builder.h
@@ -305,8 +305,10 @@
HClinitCheck* ProcessClinitCheckForInvoke(
uint32_t dex_pc,
+ ArtMethod* method,
uint32_t method_idx,
- HInvokeStaticOrDirect::ClinitCheckRequirement* clinit_check_requirement);
+ HInvokeStaticOrDirect::ClinitCheckRequirement* clinit_check_requirement)
+ SHARED_REQUIRES(Locks::mutator_lock_);
// Build a HNewInstance instruction.
bool BuildNewInstance(uint16_t type_index, uint32_t dex_pc);
@@ -315,6 +317,10 @@
bool IsInitialized(Handle<mirror::Class> cls) const
SHARED_REQUIRES(Locks::mutator_lock_);
+ // Try to resolve a method using the class linker. Return null if a method could
+ // not be resolved.
+ ArtMethod* ResolveMethod(uint16_t method_idx, InvokeType invoke_type);
+
ArenaAllocator* const arena_;
// A list of the size of the dex code holding block information for
diff --git a/compiler/optimizing/code_generator_arm.cc b/compiler/optimizing/code_generator_arm.cc
index a98d9c6..0063aef 100644
--- a/compiler/optimizing/code_generator_arm.cc
+++ b/compiler/optimizing/code_generator_arm.cc
@@ -5943,12 +5943,16 @@
Register temp = temp_location.AsRegister<Register>();
uint32_t method_offset = mirror::Class::EmbeddedVTableEntryOffset(
invoke->GetVTableIndex(), kArmPointerSize).Uint32Value();
- LocationSummary* locations = invoke->GetLocations();
- Location receiver = locations->InAt(0);
+
+ // Use the calling convention instead of the location of the receiver, as
+ // intrinsics may have put the receiver in a different register. In the intrinsics
+ // slow path, the arguments have been moved to the right place, so here we are
+ // guaranteed that the receiver is the first register of the calling convention.
+ InvokeDexCallingConvention calling_convention;
+ Register receiver = calling_convention.GetRegisterAt(0);
uint32_t class_offset = mirror::Object::ClassOffset().Int32Value();
- DCHECK(receiver.IsRegister());
// /* HeapReference<Class> */ temp = receiver->klass_
- __ LoadFromOffset(kLoadWord, temp, receiver.AsRegister<Register>(), class_offset);
+ __ LoadFromOffset(kLoadWord, temp, receiver, class_offset);
MaybeRecordImplicitNullCheck(invoke);
// Instead of simply (possibly) unpoisoning `temp` here, we should
// emit a read barrier for the previous class reference load.
diff --git a/compiler/optimizing/code_generator_arm64.cc b/compiler/optimizing/code_generator_arm64.cc
index ac16268..04acd9d 100644
--- a/compiler/optimizing/code_generator_arm64.cc
+++ b/compiler/optimizing/code_generator_arm64.cc
@@ -3618,8 +3618,12 @@
}
void CodeGeneratorARM64::GenerateVirtualCall(HInvokeVirtual* invoke, Location temp_in) {
- LocationSummary* locations = invoke->GetLocations();
- Location receiver = locations->InAt(0);
+ // Use the calling convention instead of the location of the receiver, as
+ // intrinsics may have put the receiver in a different register. In the intrinsics
+ // slow path, the arguments have been moved to the right place, so here we are
+ // guaranteed that the receiver is the first register of the calling convention.
+ InvokeDexCallingConvention calling_convention;
+ Register receiver = calling_convention.GetRegisterAt(0);
Register temp = XRegisterFrom(temp_in);
size_t method_offset = mirror::Class::EmbeddedVTableEntryOffset(
invoke->GetVTableIndex(), kArm64PointerSize).SizeValue();
@@ -3630,11 +3634,10 @@
DCHECK(receiver.IsRegister());
// /* HeapReference<Class> */ temp = receiver->klass_
- __ Ldr(temp.W(), HeapOperandFrom(receiver, class_offset));
+ __ Ldr(temp.W(), HeapOperandFrom(LocationFrom(receiver), class_offset));
MaybeRecordImplicitNullCheck(invoke);
// Instead of simply (possibly) unpoisoning `temp` here, we should
// emit a read barrier for the previous class reference load.
- // However this is not required in practice, as this is an
// intermediate/temporary reference and because the current
// concurrent copying collector keeps the from-space memory
// intact/accessible until the end of the marking phase (the
diff --git a/compiler/optimizing/code_generator_mips64.cc b/compiler/optimizing/code_generator_mips64.cc
index 934f24b..bc5eb31 100644
--- a/compiler/optimizing/code_generator_mips64.cc
+++ b/compiler/optimizing/code_generator_mips64.cc
@@ -2986,8 +2986,13 @@
}
void CodeGeneratorMIPS64::GenerateVirtualCall(HInvokeVirtual* invoke, Location temp_location) {
- LocationSummary* locations = invoke->GetLocations();
- Location receiver = locations->InAt(0);
+ // Use the calling convention instead of the location of the receiver, as
+ // intrinsics may have put the receiver in a different register. In the intrinsics
+ // slow path, the arguments have been moved to the right place, so here we are
+ // guaranteed that the receiver is the first register of the calling convention.
+ InvokeDexCallingConvention calling_convention;
+ GpuRegister receiver = calling_convention.GetRegisterAt(0);
+
GpuRegister temp = temp_location.AsRegister<GpuRegister>();
size_t method_offset = mirror::Class::EmbeddedVTableEntryOffset(
invoke->GetVTableIndex(), kMips64PointerSize).SizeValue();
@@ -2995,8 +3000,7 @@
Offset entry_point = ArtMethod::EntryPointFromQuickCompiledCodeOffset(kMips64WordSize);
// temp = object->GetClass();
- DCHECK(receiver.IsRegister());
- __ LoadFromOffset(kLoadUnsignedWord, temp, receiver.AsRegister<GpuRegister>(), class_offset);
+ __ LoadFromOffset(kLoadUnsignedWord, temp, receiver, class_offset);
MaybeRecordImplicitNullCheck(invoke);
// temp = temp->GetMethodAt(method_offset);
__ LoadFromOffset(kLoadDoubleword, temp, temp, method_offset);
diff --git a/compiler/optimizing/code_generator_x86.cc b/compiler/optimizing/code_generator_x86.cc
index 1fc09a8..a8ed06c 100644
--- a/compiler/optimizing/code_generator_x86.cc
+++ b/compiler/optimizing/code_generator_x86.cc
@@ -1970,6 +1970,11 @@
}
void LocationsBuilderX86::VisitInvokeVirtual(HInvokeVirtual* invoke) {
+ IntrinsicLocationsBuilderX86 intrinsic(codegen_);
+ if (intrinsic.TryDispatch(invoke)) {
+ return;
+ }
+
HandleInvoke(invoke);
}
@@ -4151,12 +4156,16 @@
Register temp = temp_in.AsRegister<Register>();
uint32_t method_offset = mirror::Class::EmbeddedVTableEntryOffset(
invoke->GetVTableIndex(), kX86PointerSize).Uint32Value();
- LocationSummary* locations = invoke->GetLocations();
- Location receiver = locations->InAt(0);
+
+ // Use the calling convention instead of the location of the receiver, as
+ // intrinsics may have put the receiver in a different register. In the intrinsics
+ // slow path, the arguments have been moved to the right place, so here we are
+ // guaranteed that the receiver is the first register of the calling convention.
+ InvokeDexCallingConvention calling_convention;
+ Register receiver = calling_convention.GetRegisterAt(0);
uint32_t class_offset = mirror::Object::ClassOffset().Int32Value();
- DCHECK(receiver.IsRegister());
// /* HeapReference<Class> */ temp = receiver->klass_
- __ movl(temp, Address(receiver.AsRegister<Register>(), class_offset));
+ __ movl(temp, Address(receiver, class_offset));
MaybeRecordImplicitNullCheck(invoke);
// Instead of simply (possibly) unpoisoning `temp` here, we should
// emit a read barrier for the previous class reference load.
diff --git a/compiler/optimizing/code_generator_x86_64.cc b/compiler/optimizing/code_generator_x86_64.cc
index 534ee1c..4618be9 100644
--- a/compiler/optimizing/code_generator_x86_64.cc
+++ b/compiler/optimizing/code_generator_x86_64.cc
@@ -802,12 +802,17 @@
CpuRegister temp = temp_in.AsRegister<CpuRegister>();
size_t method_offset = mirror::Class::EmbeddedVTableEntryOffset(
invoke->GetVTableIndex(), kX86_64PointerSize).SizeValue();
- LocationSummary* locations = invoke->GetLocations();
- Location receiver = locations->InAt(0);
+
+ // Use the calling convention instead of the location of the receiver, as
+ // intrinsics may have put the receiver in a different register. In the intrinsics
+ // slow path, the arguments have been moved to the right place, so here we are
+ // guaranteed that the receiver is the first register of the calling convention.
+ InvokeDexCallingConvention calling_convention;
+ Register receiver = calling_convention.GetRegisterAt(0);
+
size_t class_offset = mirror::Object::ClassOffset().SizeValue();
- DCHECK(receiver.IsRegister());
// /* HeapReference<Class> */ temp = receiver->klass_
- __ movl(temp, Address(receiver.AsRegister<CpuRegister>(), class_offset));
+ __ movl(temp, Address(CpuRegister(receiver), class_offset));
MaybeRecordImplicitNullCheck(invoke);
// Instead of simply (possibly) unpoisoning `temp` here, we should
// emit a read barrier for the previous class reference load.
diff --git a/compiler/optimizing/graph_visualizer.cc b/compiler/optimizing/graph_visualizer.cc
index 48bcd10..2bff213 100644
--- a/compiler/optimizing/graph_visualizer.cc
+++ b/compiler/optimizing/graph_visualizer.cc
@@ -402,6 +402,11 @@
}
}
+ void VisitInvokeVirtual(HInvokeVirtual* invoke) OVERRIDE {
+ VisitInvoke(invoke);
+ StartAttributeStream("intrinsic") << invoke->GetIntrinsic();
+ }
+
void VisitUnresolvedInstanceFieldGet(HUnresolvedInstanceFieldGet* field_access) OVERRIDE {
StartAttributeStream("field_type") << field_access->GetFieldType();
}
diff --git a/compiler/optimizing/inliner.cc b/compiler/optimizing/inliner.cc
index 0363f20..6d93be3 100644
--- a/compiler/optimizing/inliner.cc
+++ b/compiler/optimizing/inliner.cc
@@ -192,6 +192,10 @@
// We can query the dex cache directly. The verifier has populated it already.
ArtMethod* resolved_method;
if (invoke_instruction->IsInvokeStaticOrDirect()) {
+ if (invoke_instruction->AsInvokeStaticOrDirect()->IsStringInit()) {
+ VLOG(compiler) << "Not inlining a String.<init> method";
+ return false;
+ }
MethodReference ref = invoke_instruction->AsInvokeStaticOrDirect()->GetTargetMethod();
mirror::DexCache* const dex_cache = (&caller_dex_file == ref.dex_file)
? caller_compilation_unit_.GetDexCache().Get()
diff --git a/compiler/optimizing/intrinsics.cc b/compiler/optimizing/intrinsics.cc
index b01324e..8340811 100644
--- a/compiler/optimizing/intrinsics.cc
+++ b/compiler/optimizing/intrinsics.cc
@@ -384,7 +384,7 @@
// InvokeStaticOrDirect.
InvokeType intrinsic_type = GetIntrinsicInvokeType(intrinsic);
InvokeType invoke_type = invoke->IsInvokeStaticOrDirect() ?
- invoke->AsInvokeStaticOrDirect()->GetInvokeType() :
+ invoke->AsInvokeStaticOrDirect()->GetOptimizedInvokeType() :
invoke->IsInvokeVirtual() ? kVirtual : kSuper;
switch (intrinsic_type) {
case kStatic:
diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h
index d5110a7..2c2fc8c 100644
--- a/compiler/optimizing/nodes.h
+++ b/compiler/optimizing/nodes.h
@@ -3418,7 +3418,7 @@
MethodReference target_method,
DispatchInfo dispatch_info,
InvokeType original_invoke_type,
- InvokeType invoke_type,
+ InvokeType optimized_invoke_type,
ClinitCheckRequirement clinit_check_requirement)
: HInvoke(arena,
number_of_arguments,
@@ -3432,7 +3432,7 @@
dex_pc,
method_index,
original_invoke_type),
- invoke_type_(invoke_type),
+ optimized_invoke_type_(optimized_invoke_type),
clinit_check_requirement_(clinit_check_requirement),
target_method_(target_method),
dispatch_info_(dispatch_info) { }
@@ -3478,7 +3478,11 @@
// platform-specific special input, such as PC-relative addressing base.
uint32_t GetSpecialInputIndex() const { return GetNumberOfArguments(); }
- InvokeType GetInvokeType() const { return invoke_type_; }
+ InvokeType GetOptimizedInvokeType() const { return optimized_invoke_type_; }
+ void SetOptimizedInvokeType(InvokeType invoke_type) {
+ optimized_invoke_type_ = invoke_type;
+ }
+
MethodLoadKind GetMethodLoadKind() const { return dispatch_info_.method_load_kind; }
CodePtrLocation GetCodePtrLocation() const { return dispatch_info_.code_ptr_location; }
bool IsRecursive() const { return GetMethodLoadKind() == MethodLoadKind::kRecursive; }
@@ -3501,6 +3505,7 @@
}
bool HasDirectCodePtr() const { return GetCodePtrLocation() == CodePtrLocation::kCallDirect; }
MethodReference GetTargetMethod() const { return target_method_; }
+ void SetTargetMethod(MethodReference method) { target_method_ = method; }
int32_t GetStringInitOffset() const {
DCHECK(IsStringInit());
@@ -3526,7 +3531,7 @@
// Is this instruction a call to a static method?
bool IsStatic() const {
- return GetInvokeType() == kStatic;
+ return GetOriginalInvokeType() == kStatic;
}
// Remove the HClinitCheck or the replacement HLoadClass (set as last input by
@@ -3599,7 +3604,7 @@
void RemoveInputAt(size_t index);
private:
- const InvokeType invoke_type_;
+ InvokeType optimized_invoke_type_;
ClinitCheckRequirement clinit_check_requirement_;
// The target method may refer to different dex file or method index than the original
// invoke. This happens for sharpened calls and for calls where a method was redeclared
diff --git a/compiler/optimizing/sharpening.cc b/compiler/optimizing/sharpening.cc
index a128079..5e1d1d9 100644
--- a/compiler/optimizing/sharpening.cc
+++ b/compiler/optimizing/sharpening.cc
@@ -49,7 +49,8 @@
}
// TODO: Avoid CompilerDriver.
- InvokeType invoke_type = invoke->GetOriginalInvokeType();
+ InvokeType original_invoke_type = invoke->GetOriginalInvokeType();
+ InvokeType optimized_invoke_type = original_invoke_type;
MethodReference target_method(&graph_->GetDexFile(), invoke->GetDexMethodIndex());
int vtable_idx;
uintptr_t direct_code, direct_method;
@@ -58,15 +59,18 @@
invoke->GetDexPc(),
false /* update_stats: already updated in builder */,
true /* enable_devirtualization */,
- &invoke_type,
+ &optimized_invoke_type,
&target_method,
&vtable_idx,
&direct_code,
&direct_method);
- DCHECK(success);
- DCHECK_EQ(invoke_type, invoke->GetInvokeType());
- DCHECK_EQ(target_method.dex_file, invoke->GetTargetMethod().dex_file);
- DCHECK_EQ(target_method.dex_method_index, invoke->GetTargetMethod().dex_method_index);
+ if (!success) {
+ // TODO: try using kDexCachePcRelative. It's always a valid method load
+ // kind as long as it's supported by the codegen
+ return;
+ }
+ invoke->SetOptimizedInvokeType(optimized_invoke_type);
+ invoke->SetTargetMethod(target_method);
HInvokeStaticOrDirect::MethodLoadKind method_load_kind;
HInvokeStaticOrDirect::CodePtrLocation code_ptr_location;
diff --git a/runtime/entrypoints/entrypoint_utils-inl.h b/runtime/entrypoints/entrypoint_utils-inl.h
index 21e4e44..dccb1da 100644
--- a/runtime/entrypoints/entrypoint_utils-inl.h
+++ b/runtime/entrypoints/entrypoint_utils-inl.h
@@ -598,8 +598,12 @@
} else if (type == kStatic || type == kDirect) {
return resolved_method;
} else if (type == kSuper) {
- return referrer->GetDeclaringClass()->GetSuperClass()->GetVTableEntry(
- resolved_method->GetMethodIndex(), sizeof(void*));
+ mirror::Class* super_class = referrer->GetDeclaringClass()->GetSuperClass();
+ if (resolved_method->GetMethodIndex() >= super_class->GetVTableLength()) {
+ // The super class does not have the method.
+ return nullptr;
+ }
+ return super_class->GetVTableEntry(resolved_method->GetMethodIndex(), sizeof(void*));
} else {
DCHECK(type == kVirtual);
return this_object->GetClass()->GetVTableEntry(
diff --git a/test/464-checker-inline-sharpen-calls/src/Main.java b/test/464-checker-inline-sharpen-calls/src/Main.java
index 6dce96c..5080f142 100644
--- a/test/464-checker-inline-sharpen-calls/src/Main.java
+++ b/test/464-checker-inline-sharpen-calls/src/Main.java
@@ -19,23 +19,25 @@
public void invokeVirtual() {
}
- /// CHECK-START: void Main.inlineSharpenInvokeVirtual(Main) inliner (before)
- /// CHECK-DAG: <<Invoke:v\d+>> InvokeStaticOrDirect
+ /// CHECK-START: void Main.inlineSharpenInvokeVirtual(Main) builder (after)
+ /// CHECK-DAG: <<Invoke:v\d+>> InvokeVirtual
/// CHECK-DAG: ReturnVoid
/// CHECK-START: void Main.inlineSharpenInvokeVirtual(Main) inliner (after)
+ /// CHECK-NOT: InvokeVirtual
/// CHECK-NOT: InvokeStaticOrDirect
public static void inlineSharpenInvokeVirtual(Main m) {
m.invokeVirtual();
}
- /// CHECK-START: int Main.inlineSharpenStringInvoke() inliner (before)
- /// CHECK-DAG: <<Invoke:i\d+>> InvokeStaticOrDirect
+ /// CHECK-START: int Main.inlineSharpenStringInvoke() ssa_builder (after)
+ /// CHECK-DAG: <<Invoke:i\d+>> InvokeVirtual
/// CHECK-DAG: Return [<<Invoke>>]
/// CHECK-START: int Main.inlineSharpenStringInvoke() inliner (after)
/// CHECK-NOT: InvokeStaticOrDirect
+ /// CHECK-NOT: InvokeVirtual
/// CHECK-START: int Main.inlineSharpenStringInvoke() inliner (after)
/// CHECK-DAG: <<Field:i\d+>> InstanceFieldGet
diff --git a/test/492-checker-inline-invoke-interface/expected.txt b/test/492-checker-inline-invoke-interface/expected.txt
index b0014d7..42b331f 100644
--- a/test/492-checker-inline-invoke-interface/expected.txt
+++ b/test/492-checker-inline-invoke-interface/expected.txt
@@ -2,4 +2,4 @@
java.lang.Exception
at ForceStatic.<clinit>(Main.java:24)
at Main.$inline$foo(Main.java:31)
- at Main.main(Main.java:48)
+ at Main.main(Main.java:50)
diff --git a/test/492-checker-inline-invoke-interface/src/Main.java b/test/492-checker-inline-invoke-interface/src/Main.java
index 9a45485..a8b6307 100644
--- a/test/492-checker-inline-invoke-interface/src/Main.java
+++ b/test/492-checker-inline-invoke-interface/src/Main.java
@@ -31,15 +31,17 @@
int a = ForceStatic.field;
}
- /// CHECK-START: void Main.main(java.lang.String[]) inliner (before)
+ /// CHECK-START: void Main.main(java.lang.String[]) ssa_builder (after)
/// CHECK: InvokeStaticOrDirect
- /// CHECK: InvokeStaticOrDirect
+ /// CHECK: InvokeInterface
/// CHECK-START: void Main.main(java.lang.String[]) inliner (before)
/// CHECK-NOT: ClinitCheck
/// CHECK-START: void Main.main(java.lang.String[]) inliner (after)
/// CHECK-NOT: InvokeStaticOrDirect
+ /// CHECK-NOT: InvokeVirtual
+ /// CHECK-NOT: InvokeInterface
/// CHECK-START: void Main.main(java.lang.String[]) inliner (after)
/// CHECK: ClinitCheck
diff --git a/test/536-checker-intrinsic-optimization/src/Main.java b/test/536-checker-intrinsic-optimization/src/Main.java
index 1b784ae..3f65d5a 100644
--- a/test/536-checker-intrinsic-optimization/src/Main.java
+++ b/test/536-checker-intrinsic-optimization/src/Main.java
@@ -35,7 +35,7 @@
}
/// CHECK-START: boolean Main.stringEqualsNull() register (after)
- /// CHECK: <<Invoke:z\d+>> InvokeStaticOrDirect
+ /// CHECK: <<Invoke:z\d+>> InvokeVirtual
/// CHECK: Return [<<Invoke>>]
public static boolean stringEqualsNull() {
String o = (String)myObject;
@@ -47,7 +47,7 @@
}
/// CHECK-START-X86: boolean Main.stringArgumentNotNull(java.lang.Object) disassembly (after)
- /// CHECK: InvokeStaticOrDirect
+ /// CHECK: InvokeVirtual
/// CHECK-NOT: test
public static boolean stringArgumentNotNull(Object obj) {
obj.getClass();
@@ -56,7 +56,7 @@
// Test is very brittle as it depends on the order we emit instructions.
/// CHECK-START-X86: boolean Main.stringArgumentIsString() disassembly (after)
- /// CHECK: InvokeStaticOrDirect
+ /// CHECK: InvokeVirtual
/// CHECK: test
/// CHECK: jz/eq
// Check that we don't try to compare the classes.
diff --git a/test/551-invoke-super/expected.txt b/test/551-invoke-super/expected.txt
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/551-invoke-super/expected.txt
diff --git a/test/551-invoke-super/info.txt b/test/551-invoke-super/info.txt
new file mode 100644
index 0000000..864ddfe
--- /dev/null
+++ b/test/551-invoke-super/info.txt
@@ -0,0 +1 @@
+Tests the invoke-super opcode when resolving to an abstract method.
diff --git a/test/551-invoke-super/smali/invokesuper.smali b/test/551-invoke-super/smali/invokesuper.smali
new file mode 100644
index 0000000..ad3c218
--- /dev/null
+++ b/test/551-invoke-super/smali/invokesuper.smali
@@ -0,0 +1,40 @@
+#
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+.class public LInvokeSuper;
+.super LSuperClass;
+
+.method public constructor <init>()V
+.registers 1
+ invoke-direct {v0}, LSuperClass;-><init>()V
+ return-void
+.end method
+
+
+.method public run()I
+.registers 2
+ # Do an invoke super on a non-super class to force complex resolution.
+ invoke-super {v1}, LInvokeSuper;->returnInt()I
+ move-result v0
+ return v0
+.end method
+
+
+.method public returnInt()I
+.registers 2
+ const v0, 777
+ return v0
+.end method
diff --git a/test/551-invoke-super/smali/superclass.smali b/test/551-invoke-super/smali/superclass.smali
new file mode 100644
index 0000000..47fbee7
--- /dev/null
+++ b/test/551-invoke-super/smali/superclass.smali
@@ -0,0 +1,26 @@
+#
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+.class abstract public LSuperClass;
+.super Ljava/lang/Object;
+
+.method public constructor <init>()V
+.registers 1
+ invoke-direct {v0}, Ljava/lang/Object;-><init>()V
+ return-void
+.end method
+
+.method abstract public returnInt()I
+.end method
diff --git a/test/551-invoke-super/src/Main.java b/test/551-invoke-super/src/Main.java
new file mode 100644
index 0000000..3a30184
--- /dev/null
+++ b/test/551-invoke-super/src/Main.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+public class Main {
+ // Workaround for b/18051191.
+ class InnerClass {}
+
+ public static void main(String[] args) throws Exception {
+ Class<?> c = Class.forName("InvokeSuper");
+ try {
+ Method m = c.getMethod("run");
+ m.invoke(c.newInstance(), new Object[0]);
+ throw new Error("Expected AbstractMethodError");
+ } catch (InvocationTargetException e) {
+ if (!(e.getCause() instanceof AbstractMethodError)) {
+ throw new Error("Expected AbstractMethodError");
+ }
+ }
+ }
+}
diff --git a/test/552-invoke-non-existent-super/expected.txt b/test/552-invoke-non-existent-super/expected.txt
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/552-invoke-non-existent-super/expected.txt
diff --git a/test/552-invoke-non-existent-super/info.txt b/test/552-invoke-non-existent-super/info.txt
new file mode 100644
index 0000000..c5428d4
--- /dev/null
+++ b/test/552-invoke-non-existent-super/info.txt
@@ -0,0 +1 @@
+Tests the invoke-super opcode when the super class does not have the method.
diff --git a/test/552-invoke-non-existent-super/smali/invokesuper.smali b/test/552-invoke-non-existent-super/smali/invokesuper.smali
new file mode 100644
index 0000000..ad3c218
--- /dev/null
+++ b/test/552-invoke-non-existent-super/smali/invokesuper.smali
@@ -0,0 +1,40 @@
+#
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+.class public LInvokeSuper;
+.super LSuperClass;
+
+.method public constructor <init>()V
+.registers 1
+ invoke-direct {v0}, LSuperClass;-><init>()V
+ return-void
+.end method
+
+
+.method public run()I
+.registers 2
+ # Do an invoke super on a non-super class to force complex resolution.
+ invoke-super {v1}, LInvokeSuper;->returnInt()I
+ move-result v0
+ return v0
+.end method
+
+
+.method public returnInt()I
+.registers 2
+ const v0, 777
+ return v0
+.end method
diff --git a/test/552-invoke-non-existent-super/smali/superclass.smali b/test/552-invoke-non-existent-super/smali/superclass.smali
new file mode 100644
index 0000000..21d961e
--- /dev/null
+++ b/test/552-invoke-non-existent-super/smali/superclass.smali
@@ -0,0 +1,23 @@
+#
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+.class abstract public LSuperClass;
+.super Ljava/lang/Object;
+
+.method public constructor <init>()V
+.registers 1
+ invoke-direct {v0}, Ljava/lang/Object;-><init>()V
+ return-void
+.end method
diff --git a/test/552-invoke-non-existent-super/src/Main.java b/test/552-invoke-non-existent-super/src/Main.java
new file mode 100644
index 0000000..c264471
--- /dev/null
+++ b/test/552-invoke-non-existent-super/src/Main.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+public class Main {
+ // Workaround for b/18051191.
+ class InnerClass {}
+
+ public static void main(String[] args) throws Exception {
+ Class<?> c = Class.forName("InvokeSuper");
+ try {
+ Method m = c.getMethod("run");
+ m.invoke(c.newInstance(), new Object[0]);
+ throw new Error("Expected NoSuchMethodError");
+ } catch (InvocationTargetException e) {
+ if (!(e.getCause() instanceof NoSuchMethodError)) {
+ throw new Error("Expected NoSuchMethodError");
+ }
+ }
+ }
+}