VM: Re-format to use at most one newline between functions

runtime/vm/flow_graph_compiler_arm.cc

Index: runtime/vm/flow_graph_compiler_arm.cc
diff --git a/runtime/vm/flow_graph_compiler_arm.cc b/runtime/vm/flow_graph_compiler_arm.cc
index 37b2e1f6440c58c7cc9031bae07aa35aead42b2c..bfc04a3d5fcf78b0a15c6299fb52b72455d81009 100644
--- a/runtime/vm/flow_graph_compiler_arm.cc
+++ b/runtime/vm/flow_graph_compiler_arm.cc
@@ -28,7 +28,6 @@ DEFINE_FLAG(bool, unbox_mints, true, "Optimize 64-bit integer arithmetic.");
 DEFINE_FLAG(bool, unbox_doubles, true, "Optimize double arithmetic.");
 DECLARE_FLAG(bool, enable_simd_inline);
 
-
 FlowGraphCompiler::~FlowGraphCompiler() {
   // BlockInfos are zone-allocated, so their destructors are not called.
   // Verify the labels explicitly here.
@@ -37,47 +36,39 @@ FlowGraphCompiler::~FlowGraphCompiler() {
   }
 }
 
-
 bool FlowGraphCompiler::SupportsUnboxedDoubles() {
   return TargetCPUFeatures::vfp_supported() && FLAG_unbox_doubles;
 }
 
-
 bool FlowGraphCompiler::SupportsUnboxedMints() {
   return FLAG_unbox_mints;
 }
 
-
 bool FlowGraphCompiler::SupportsUnboxedSimd128() {
   return TargetCPUFeatures::neon_supported() && FLAG_enable_simd_inline;
 }
 
-
 bool FlowGraphCompiler::SupportsHardwareDivision() {
   return TargetCPUFeatures::can_divide();
 }
 
-
 bool FlowGraphCompiler::CanConvertUnboxedMintToDouble() {
   // ARM does not have a short instruction sequence for converting int64 to
   // double.
   return false;
 }
 
-
 void FlowGraphCompiler::EnterIntrinsicMode() {
   ASSERT(!intrinsic_mode());
   intrinsic_mode_ = true;
   ASSERT(!assembler()->constant_pool_allowed());
 }
 
-
 void FlowGraphCompiler::ExitIntrinsicMode() {
   ASSERT(intrinsic_mode());
   intrinsic_mode_ = false;
 }
 
-
 RawTypedData* CompilerDeoptInfo::CreateDeoptInfo(FlowGraphCompiler* compiler,
                                                  DeoptInfoBuilder* builder,
                                                  const Array& deopt_table) {
@@ -164,7 +155,6 @@ RawTypedData* CompilerDeoptInfo::CreateDeoptInfo(FlowGraphCompiler* compiler,
   return builder->CreateDeoptInfo(deopt_table);
 }
 
-
 void CompilerDeoptInfoWithStub::GenerateCode(FlowGraphCompiler* compiler,
                                              intptr_t stub_ix) {
   // Calls do not need stubs, they share a deoptimization trampoline.
@@ -189,10 +179,8 @@ void CompilerDeoptInfoWithStub::GenerateCode(FlowGraphCompiler* compiler,
 #undef __
 }
 
-
 #define __ assembler()->
 
-
 // Fall through if bool_register contains null.
 void FlowGraphCompiler::GenerateBoolToJump(Register bool_register,
                                            Label* is_true,
@@ -206,7 +194,6 @@ void FlowGraphCompiler::GenerateBoolToJump(Register bool_register,
   __ Bind(&fall_through);
 }
 
-
 // R0: instance (must be preserved).
 // R2: instantiator type arguments (if used).
 // R1: function type arguments (if used).
@@ -244,7 +231,6 @@ RawSubtypeTestCache* FlowGraphCompiler::GenerateCallSubtypeTestStub(
   return type_test_cache.raw();
 }
 
-
 // Jumps to labels 'is_instance' or 'is_not_instance' respectively, if
 // type test is conclusive, otherwise fallthrough if a type test could not
 // be completed.
@@ -323,7 +309,6 @@ FlowGraphCompiler::GenerateInstantiatedTypeWithArgumentsTest(
                                      is_instance_lbl, is_not_instance_lbl);
 }
 
-
 void FlowGraphCompiler::CheckClassIds(Register class_id_reg,
                                       const GrowableArray<intptr_t>& class_ids,
                                       Label* is_equal_lbl,
@@ -335,7 +320,6 @@ void FlowGraphCompiler::CheckClassIds(Register class_id_reg,
   __ b(is_not_equal_lbl);
 }
 
-
 // Testing against an instantiated type with no arguments, without
 // SubtypeTestCache.
 // R0: instance being type checked (preserved).
@@ -403,7 +387,6 @@ bool FlowGraphCompiler::GenerateInstantiatedTypeNoArgumentsTest(
   return true;
 }
 
-
 // Uses SubtypeTestCache to store instance class and result.
 // R0: instance to test.
 // Clobbers R1-R4, R8, R9.
@@ -435,7 +418,6 @@ RawSubtypeTestCache* FlowGraphCompiler::GenerateSubtype1TestCacheLookup(
                                      is_instance_lbl, is_not_instance_lbl);
 }
 
-
 // Generates inlined check if 'type' is a type parameter or type itself
 // R0: instance (preserved).
 RawSubtypeTestCache* FlowGraphCompiler::GenerateUninstantiatedTypeTest(
@@ -450,8 +432,9 @@ RawSubtypeTestCache* FlowGraphCompiler::GenerateUninstantiatedTypeTest(
     const TypeParameter& type_param = TypeParameter::Cast(type);
     const Register kInstantiatorTypeArgumentsReg = R2;
     const Register kFunctionTypeArgumentsReg = R1;
-    __ ldm(IA, SP, (1 << kFunctionTypeArgumentsReg) |
-                       (1 << kInstantiatorTypeArgumentsReg));
+    __ ldm(IA, SP,
+           (1 << kFunctionTypeArgumentsReg) |
+               (1 << kInstantiatorTypeArgumentsReg));
     // R2: instantiator type arguments.
     // R1: function type arguments.
     const Register kTypeArgumentsReg =
@@ -501,8 +484,9 @@ RawSubtypeTestCache* FlowGraphCompiler::GenerateUninstantiatedTypeTest(
     const Register kFunctionTypeArgumentsReg = R1;
     __ tst(kInstanceReg, Operand(kSmiTagMask));  // Is instance Smi?
     __ b(is_not_instance_lbl, EQ);
-    __ ldm(IA, SP, (1 << kFunctionTypeArgumentsReg) |
-                       (1 << kInstantiatorTypeArgumentsReg));
+    __ ldm(IA, SP,
+           (1 << kFunctionTypeArgumentsReg) |
+               (1 << kInstantiatorTypeArgumentsReg));
     // Uninstantiated type class is known at compile time, but the type
     // arguments are determined at runtime by the instantiator(s).
     const Register kTempReg = kNoRegister;
@@ -514,7 +498,6 @@ RawSubtypeTestCache* FlowGraphCompiler::GenerateUninstantiatedTypeTest(
   return SubtypeTestCache::null();
 }
 
-
 // Inputs:
 // - R0: instance being type checked (preserved).
 // - R2: optional instantiator type arguments (preserved).
@@ -557,7 +540,6 @@ RawSubtypeTestCache* FlowGraphCompiler::GenerateInlineInstanceof(
                                         is_not_instance_lbl);
 }
 
-
 // If instanceof type test cannot be performed successfully at compile time and
 // therefore eliminated, optimize it by adding inlined tests for:
 // - NULL -> return type == Null (type is not Object or dynamic).
@@ -603,8 +585,9 @@ void FlowGraphCompiler::GenerateInstanceOf(TokenPosition token_pos,
   Label done;
   if (!test_cache.IsNull()) {
     // Generate runtime call.
-    __ ldm(IA, SP, (1 << kFunctionTypeArgumentsReg) |
-                       (1 << kInstantiatorTypeArgumentsReg));
+    __ ldm(IA, SP,
+           (1 << kFunctionTypeArgumentsReg) |
+               (1 << kInstantiatorTypeArgumentsReg));
     __ PushObject(Object::null_object());  // Make room for the result.
     __ Push(R0);                           // Push the instance.
     __ PushObject(type);                   // Push the type.
@@ -630,7 +613,6 @@ void FlowGraphCompiler::GenerateInstanceOf(TokenPosition token_pos,
   __ Drop(2);
 }
 
-
 // Optimize assignable type check by adding inlined tests for:
 // - NULL -> return NULL.
 // - Smi -> compile time subtype check (only if dst class is not parameterized).
@@ -687,8 +669,9 @@ void FlowGraphCompiler::GenerateAssertAssignable(TokenPosition token_pos,
                                         &runtime_call);
 
   __ Bind(&runtime_call);
-  __ ldm(IA, SP, (1 << kFunctionTypeArgumentsReg) |
-                     (1 << kInstantiatorTypeArgumentsReg));
+  __ ldm(
+      IA, SP,
+      (1 << kFunctionTypeArgumentsReg) | (1 << kInstantiatorTypeArgumentsReg));
   __ PushObject(Object::null_object());  // Make room for the result.
   __ Push(R0);                           // Push the source object.
   __ PushObject(dst_type);               // Push the type of the destination.
@@ -708,7 +691,6 @@ void FlowGraphCompiler::GenerateAssertAssignable(TokenPosition token_pos,
              (1 << kInstantiatorTypeArgumentsReg));
 }
 
-
 void FlowGraphCompiler::EmitInstructionEpilogue(Instruction* instr) {
   if (is_optimizing()) {
     return;
@@ -719,7 +701,6 @@ void FlowGraphCompiler::EmitInstructionEpilogue(Instruction* instr) {
   }
 }
 
-
 // Input parameters:
 //   R4: arguments descriptor array.
 void FlowGraphCompiler::CopyParameters() {
@@ -812,8 +793,9 @@ void FlowGraphCompiler::CopyParameters() {
     __ add(NOTFP, FP, Operand(NOTFP, LSL, 1));
     __ AddImmediate(NOTFP, NOTFP, kParamEndSlotFromFp * kWordSize);
     // Let R8 point to the entry of the first named argument.
-    __ add(R8, R4, Operand(ArgumentsDescriptor::first_named_entry_offset() -
-                           kHeapObjectTag));
+    __ add(R8, R4,
+           Operand(ArgumentsDescriptor::first_named_entry_offset() -
+                   kHeapObjectTag));
     for (int i = 0; i < num_opt_named_params; i++) {
       Label load_default_value, assign_optional_parameter;
       const int param_pos = opt_param_position[i];
@@ -921,7 +903,6 @@ void FlowGraphCompiler::CopyParameters() {
   __ b(&null_args_loop, PL);
 }
 
-
 void FlowGraphCompiler::GenerateInlinedGetter(intptr_t offset) {
   // LR: return address.
   // SP: receiver.
@@ -932,7 +913,6 @@ void FlowGraphCompiler::GenerateInlinedGetter(intptr_t offset) {
   __ Ret();
 }
 
-
 void FlowGraphCompiler::GenerateInlinedSetter(intptr_t offset) {
   // LR: return address.
   // SP+1: receiver.
@@ -946,10 +926,8 @@ void FlowGraphCompiler::GenerateInlinedSetter(intptr_t offset) {
   __ Ret();
 }
 
-
 static const Register new_pp = NOTFP;
 
-
 void FlowGraphCompiler::EmitFrameEntry() {
   const Function& function = parsed_function().function();
   if (CanOptimizeFunction() && function.IsOptimizable() &&
@@ -985,7 +963,6 @@ void FlowGraphCompiler::EmitFrameEntry() {
   }
 }
 
-
 // Input parameters:
 //   LR: return address.
 //   SP: address of last argument.
@@ -1120,7 +1097,6 @@ void FlowGraphCompiler::CompileGraph() {
   GenerateDeferredCode();
 }
 
-
 void FlowGraphCompiler::GenerateCall(TokenPosition token_pos,
                                      const StubEntry& stub_entry,
                                      RawPcDescriptors::Kind kind,
@@ -1129,7 +1105,6 @@ void FlowGraphCompiler::GenerateCall(TokenPosition token_pos,
   EmitCallsiteMetaData(token_pos, Thread::kNoDeoptId, kind, locs);
 }
 
-
 void FlowGraphCompiler::GeneratePatchableCall(TokenPosition token_pos,
                                               const StubEntry& stub_entry,
                                               RawPcDescriptors::Kind kind,
@@ -1138,7 +1113,6 @@ void FlowGraphCompiler::GeneratePatchableCall(TokenPosition token_pos,
   EmitCallsiteMetaData(token_pos, Thread::kNoDeoptId, kind, locs);
 }
 
-
 void FlowGraphCompiler::GenerateDartCall(intptr_t deopt_id,
                                          TokenPosition token_pos,
                                          const StubEntry& stub_entry,
@@ -1158,7 +1132,6 @@ void FlowGraphCompiler::GenerateDartCall(intptr_t deopt_id,
   }
 }
 
-
 void FlowGraphCompiler::GenerateStaticDartCall(intptr_t deopt_id,
                                                TokenPosition token_pos,
                                                const StubEntry& stub_entry,
@@ -1185,7 +1158,6 @@ void FlowGraphCompiler::GenerateStaticDartCall(intptr_t deopt_id,
   AddStaticCallTarget(target);
 }
 
-
 void FlowGraphCompiler::GenerateRuntimeCall(TokenPosition token_pos,
                                             intptr_t deopt_id,
                                             const RuntimeEntry& entry,
@@ -1207,7 +1179,6 @@ void FlowGraphCompiler::GenerateRuntimeCall(TokenPosition token_pos,
   }
 }
 
-
 void FlowGraphCompiler::EmitEdgeCounter(intptr_t edge_id) {
   // We do not check for overflow when incrementing the edge counter.  The
   // function should normally be optimized long before the counter can
@@ -1230,7 +1201,6 @@ void FlowGraphCompiler::EmitEdgeCounter(intptr_t edge_id) {
 #endif  // DEBUG
 }
 
-
 void FlowGraphCompiler::EmitOptimizedInstanceCall(const StubEntry& stub_entry,
                                                   const ICData& ic_data,
                                                   intptr_t argument_count,
@@ -1252,7 +1222,6 @@ void FlowGraphCompiler::EmitOptimizedInstanceCall(const StubEntry& stub_entry,
   __ Drop(argument_count);
 }
 
-
 void FlowGraphCompiler::EmitInstanceCall(const StubEntry& stub_entry,
                                          const ICData& ic_data,
                                          intptr_t argument_count,
@@ -1266,7 +1235,6 @@ void FlowGraphCompiler::EmitInstanceCall(const StubEntry& stub_entry,
   __ Drop(argument_count);
 }
 
-
 void FlowGraphCompiler::EmitMegamorphicInstanceCall(
     const String& name,
     const Array& arguments_descriptor,
@@ -1313,7 +1281,6 @@ void FlowGraphCompiler::EmitMegamorphicInstanceCall(
   __ Drop(argument_count);
 }
 
-
 void FlowGraphCompiler::EmitSwitchableInstanceCall(const ICData& ic_data,
                                                    intptr_t argument_count,
                                                    intptr_t deopt_id,
@@ -1344,7 +1311,6 @@ void FlowGraphCompiler::EmitSwitchableInstanceCall(const ICData& ic_data,
   __ Drop(argument_count);
 }
 
-
 void FlowGraphCompiler::EmitUnoptimizedStaticCall(intptr_t argument_count,
                                                   intptr_t deopt_id,
                                                   TokenPosition token_pos,
@@ -1358,7 +1324,6 @@ void FlowGraphCompiler::EmitUnoptimizedStaticCall(intptr_t argument_count,
   __ Drop(argument_count);
 }
 
-
 void FlowGraphCompiler::EmitOptimizedStaticCall(
     const Function& function,
     const Array& arguments_descriptor,
@@ -1381,7 +1346,6 @@ void FlowGraphCompiler::EmitOptimizedStaticCall(
   __ Drop(argument_count);
 }
 
-
 Condition FlowGraphCompiler::EmitEqualityRegConstCompare(
     Register reg,
     const Object& obj,
@@ -1409,7 +1373,6 @@ Condition FlowGraphCompiler::EmitEqualityRegConstCompare(
   return EQ;
 }
 
-
 Condition FlowGraphCompiler::EmitEqualityRegRegCompare(Register left,
                                                        Register right,
                                                        bool needs_number_check,
@@ -1435,7 +1398,6 @@ Condition FlowGraphCompiler::EmitEqualityRegRegCompare(Register left,
   return EQ;
 }
 
-
 // This function must be in sync with FlowGraphCompiler::RecordSafepoint and
 // FlowGraphCompiler::SlowPathEnvironmentFor.
 void FlowGraphCompiler::SaveLiveRegisters(LocationSummary* locs) {
@@ -1479,7 +1441,6 @@ void FlowGraphCompiler::SaveLiveRegisters(LocationSummary* locs) {
   }
 }
 
-
 void FlowGraphCompiler::RestoreLiveRegisters(LocationSummary* locs) {
   RegList reg_list = 0;
   for (intptr_t i = kNumberOfCpuRegisters - 1; i >= 0; --i) {
@@ -1509,7 +1470,6 @@ void FlowGraphCompiler::RestoreLiveRegisters(LocationSummary* locs) {
   }
 }
 
-
 #if defined(DEBUG)
 void FlowGraphCompiler::ClobberDeadTempRegisters(LocationSummary* locs) {
   // Clobber temporaries that have not been manually preserved.
@@ -1524,7 +1484,6 @@ void FlowGraphCompiler::ClobberDeadTempRegisters(LocationSummary* locs) {
 }
 #endif
 
-
 void FlowGraphCompiler::EmitTestAndCallLoadReceiver(
     intptr_t argument_count,
     const Array& arguments_descriptor) {
@@ -1534,19 +1493,16 @@ void FlowGraphCompiler::EmitTestAndCallLoadReceiver(
   __ LoadObject(R4, arguments_descriptor);
 }
 
-
 void FlowGraphCompiler::EmitTestAndCallSmiBranch(Label* label, bool if_smi) {
   __ tst(R0, Operand(kSmiTagMask));
   // Jump if receiver is not Smi.
   __ b(label, if_smi ? EQ : NE);
 }
 
-
 void FlowGraphCompiler::EmitTestAndCallLoadCid() {
   __ LoadClassId(R2, R0);
 }
 
-
 int FlowGraphCompiler::EmitTestAndCallCheckCid(Label* next_label,
                                                const CidRange& range,
                                                int bias) {
@@ -1563,11 +1519,9 @@ int FlowGraphCompiler::EmitTestAndCallCheckCid(Label* next_label,
   return bias;
 }
 
-
 #undef __
 #define __ compiler_->assembler()->
 
-
 void ParallelMoveResolver::EmitMove(int index) {
   MoveOperands* move = moves_[index];
   const Location source = move->src();
@@ -1688,7 +1642,6 @@ void ParallelMoveResolver::EmitMove(int index) {
   move->Eliminate();
 }
 
-
 void ParallelMoveResolver::EmitSwap(int index) {
   MoveOperands* move = moves_[index];
   const Location source = move->src();
@@ -1787,32 +1740,27 @@ void ParallelMoveResolver::EmitSwap(int index) {
   }
 }
 
-
 void ParallelMoveResolver::MoveMemoryToMemory(const Address& dst,
                                               const Address& src) {
   UNREACHABLE();
 }
 
-
 void ParallelMoveResolver::StoreObject(const Address& dst, const Object& obj) {
   UNREACHABLE();
 }
 
-
 // Do not call or implement this function. Instead, use the form below that
 // uses an offset from the frame pointer instead of an Address.
 void ParallelMoveResolver::Exchange(Register reg, const Address& mem) {
   UNREACHABLE();
 }
 
-
 // Do not call or implement this function. Instead, use the form below that
 // uses offsets from the frame pointer instead of Addresses.
 void ParallelMoveResolver::Exchange(const Address& mem1, const Address& mem2) {
   UNREACHABLE();
 }
 
-
 void ParallelMoveResolver::Exchange(Register reg,
                                     Register base_reg,
                                     intptr_t stack_offset) {
@@ -1822,7 +1770,6 @@ void ParallelMoveResolver::Exchange(Register reg,
   __ StoreToOffset(kWord, tmp.reg(), base_reg, stack_offset);
 }
 
-
 void ParallelMoveResolver::Exchange(Register base_reg1,
                                     intptr_t stack_offset1,
                                     Register base_reg2,
@@ -1835,29 +1782,24 @@ void ParallelMoveResolver::Exchange(Register base_reg1,
   __ StoreToOffset(kWord, tmp2.reg(), base_reg1, stack_offset1);
 }
 
-
 void ParallelMoveResolver::SpillScratch(Register reg) {
   __ Push(reg);
 }
 
-
 void ParallelMoveResolver::RestoreScratch(Register reg) {
   __ Pop(reg);
 }
 
-
 void ParallelMoveResolver::SpillFpuScratch(FpuRegister reg) {
   DRegister dreg = EvenDRegisterOf(reg);
   __ vstrd(dreg, Address(SP, -kDoubleSize, Address::PreIndex));
 }
 
-
 void ParallelMoveResolver::RestoreFpuScratch(FpuRegister reg) {
   DRegister dreg = EvenDRegisterOf(reg);
   __ vldrd(dreg, Address(SP, kDoubleSize, Address::PostIndex));
 }
 
-
 #undef __
 
 }  // namespace dart