Support unresolved fields in optimizing
Change-Id: I9941fa5fcb6ef0a7a253c7a0b479a44a0210aad4
diff --git a/compiler/optimizing/builder.cc b/compiler/optimizing/builder.cc
index 3663448..6831e9b 100644
--- a/compiler/optimizing/builder.cc
+++ b/compiler/optimizing/builder.cc
@@ -1225,6 +1225,12 @@
}
}
+static Primitive::Type GetFieldAccessType(const DexFile& dex_file, uint16_t field_index) {
+ const DexFile::FieldId& field_id = dex_file.GetFieldId(field_index);
+ const char* type = dex_file.GetFieldTypeDescriptor(field_id);
+ return Primitive::GetType(type[0]);
+}
+
bool HGraphBuilder::BuildInstanceFieldAccess(const Instruction& instruction,
uint32_t dex_pc,
bool is_put) {
@@ -1244,44 +1250,61 @@
ArtField* resolved_field =
compiler_driver_->ComputeInstanceFieldInfo(field_index, dex_compilation_unit_, is_put, soa);
- if (resolved_field == nullptr) {
- MaybeRecordStat(MethodCompilationStat::kNotCompiledUnresolvedField);
- return false;
- }
-
- Primitive::Type field_type = resolved_field->GetTypeAsPrimitiveType();
HInstruction* object = LoadLocal(obj_reg, Primitive::kPrimNot, dex_pc);
- current_block_->AddInstruction(new (arena_) HNullCheck(object, dex_pc));
+ HInstruction* null_check = new (arena_) HNullCheck(object, dex_pc);
+ current_block_->AddInstruction(null_check);
+
+ Primitive::Type field_type = (resolved_field == nullptr)
+ ? GetFieldAccessType(*dex_file_, field_index)
+ : resolved_field->GetTypeAsPrimitiveType();
if (is_put) {
Temporaries temps(graph_);
- HInstruction* null_check = current_block_->GetLastInstruction();
// We need one temporary for the null check.
temps.Add(null_check);
HInstruction* value = LoadLocal(source_or_dest_reg, field_type, dex_pc);
- current_block_->AddInstruction(new (arena_) HInstanceFieldSet(
- null_check,
- value,
- field_type,
- resolved_field->GetOffset(),
- resolved_field->IsVolatile(),
- field_index,
- *dex_file_,
- dex_compilation_unit_->GetDexCache(),
- dex_pc));
+ HInstruction* field_set = nullptr;
+ if (resolved_field == nullptr) {
+ MaybeRecordStat(MethodCompilationStat::kUnresolvedField);
+ field_set = new (arena_) HUnresolvedInstanceFieldSet(null_check,
+ value,
+ field_type,
+ field_index,
+ dex_pc);
+ } else {
+ field_set = new (arena_) HInstanceFieldSet(null_check,
+ value,
+ field_type,
+ resolved_field->GetOffset(),
+ resolved_field->IsVolatile(),
+ field_index,
+ *dex_file_,
+ dex_compilation_unit_->GetDexCache(),
+ dex_pc);
+ }
+ current_block_->AddInstruction(field_set);
} else {
- current_block_->AddInstruction(new (arena_) HInstanceFieldGet(
- current_block_->GetLastInstruction(),
- field_type,
- resolved_field->GetOffset(),
- resolved_field->IsVolatile(),
- field_index,
- *dex_file_,
- dex_compilation_unit_->GetDexCache(),
- dex_pc));
-
- UpdateLocal(source_or_dest_reg, current_block_->GetLastInstruction(), dex_pc);
+ HInstruction* field_get = nullptr;
+ if (resolved_field == nullptr) {
+ MaybeRecordStat(MethodCompilationStat::kUnresolvedField);
+ field_get = new (arena_) HUnresolvedInstanceFieldGet(null_check,
+ field_type,
+ field_index,
+ dex_pc);
+ } else {
+ field_get = new (arena_) HInstanceFieldGet(null_check,
+ field_type,
+ resolved_field->GetOffset(),
+ resolved_field->IsVolatile(),
+ field_index,
+ *dex_file_,
+ dex_compilation_unit_->GetDexCache(),
+ dex_pc);
+ }
+ current_block_->AddInstruction(field_get);
+ UpdateLocal(source_or_dest_reg, field_get, dex_pc);
}
+
return true;
}
@@ -1338,8 +1361,18 @@
soa, dex_cache, class_loader, dex_compilation_unit_, field_index, true);
if (resolved_field == nullptr) {
- MaybeRecordStat(MethodCompilationStat::kNotCompiledUnresolvedField);
- return false;
+ MaybeRecordStat(MethodCompilationStat::kUnresolvedField);
+ Primitive::Type field_type = GetFieldAccessType(*dex_file_, field_index);
+ if (is_put) {
+ HInstruction* value = LoadLocal(source_or_dest_reg, field_type, dex_pc);
+ current_block_->AddInstruction(
+ new (arena_) HUnresolvedStaticFieldSet(value, field_type, field_index, dex_pc));
+ } else {
+ current_block_->AddInstruction(
+ new (arena_) HUnresolvedStaticFieldGet(field_type, field_index, dex_pc));
+ UpdateLocal(source_or_dest_reg, current_block_->GetLastInstruction(), dex_pc);
+ }
+ return true;
}
const DexFile& outer_dex_file = *outer_compilation_unit_->GetDexFile();