Upgrade V8 to version 4.9.385.28
https://chromium.googlesource.com/v8/v8/+/4.9.385.28
FPIIM-449
Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/test/cctest/compiler/test-multiple-return.cc b/test/cctest/compiler/test-multiple-return.cc
new file mode 100644
index 0000000..7c08238
--- /dev/null
+++ b/test/cctest/compiler/test-multiple-return.cc
@@ -0,0 +1,118 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <cmath>
+#include <functional>
+#include <limits>
+
+#include "src/assembler.h"
+#include "src/base/bits.h"
+#include "src/base/utils/random-number-generator.h"
+#include "src/codegen.h"
+#include "src/compiler.h"
+#include "src/compiler/linkage.h"
+#include "src/macro-assembler.h"
+#include "test/cctest/cctest.h"
+#include "test/cctest/compiler/codegen-tester.h"
+#include "test/cctest/compiler/value-helper.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+namespace {
+
+CallDescriptor* GetCallDescriptor(Zone* zone, int return_count,
+ int param_count) {
+ MachineSignature::Builder msig(zone, return_count, param_count);
+ LocationSignature::Builder locations(zone, return_count, param_count);
+ const RegisterConfiguration* config =
+ RegisterConfiguration::ArchDefault(RegisterConfiguration::TURBOFAN);
+
+ // Add return location(s).
+ CHECK(return_count <= config->num_allocatable_general_registers());
+ for (int i = 0; i < return_count; i++) {
+ msig.AddReturn(MachineType::Int32());
+ locations.AddReturn(
+ LinkageLocation::ForRegister(config->allocatable_general_codes()[i]));
+ }
+
+ // Add register and/or stack parameter(s).
+ CHECK(param_count <= config->num_allocatable_general_registers());
+ for (int i = 0; i < param_count; i++) {
+ msig.AddParam(MachineType::Int32());
+ locations.AddParam(
+ LinkageLocation::ForRegister(config->allocatable_general_codes()[i]));
+ }
+
+ const RegList kCalleeSaveRegisters = 0;
+ const RegList kCalleeSaveFPRegisters = 0;
+
+ // The target for WASM calls is always a code object.
+ MachineType target_type = MachineType::AnyTagged();
+ LinkageLocation target_loc = LinkageLocation::ForAnyRegister();
+ return new (zone) CallDescriptor( // --
+ CallDescriptor::kCallCodeObject, // kind
+ target_type, // target MachineType
+ target_loc, // target location
+ msig.Build(), // machine_sig
+ locations.Build(), // location_sig
+ 0, // js_parameter_count
+ compiler::Operator::kNoProperties, // properties
+ kCalleeSaveRegisters, // callee-saved registers
+ kCalleeSaveFPRegisters, // callee-saved fp regs
+ CallDescriptor::kNoFlags, // flags
+ "c-call");
+}
+} // namespace
+
+
+TEST(ReturnThreeValues) {
+ Zone zone;
+ CallDescriptor* desc = GetCallDescriptor(&zone, 3, 2);
+ HandleAndZoneScope handles;
+ RawMachineAssembler m(handles.main_isolate(),
+ new (handles.main_zone()) Graph(handles.main_zone()),
+ desc, MachineType::PointerRepresentation(),
+ InstructionSelector::SupportedMachineOperatorFlags());
+
+ Node* p0 = m.Parameter(0);
+ Node* p1 = m.Parameter(1);
+ Node* add = m.Int32Add(p0, p1);
+ Node* sub = m.Int32Sub(p0, p1);
+ Node* mul = m.Int32Mul(p0, p1);
+ m.Return(add, sub, mul);
+
+ CompilationInfo info("testing", handles.main_isolate(), handles.main_zone());
+ Handle<Code> code =
+ Pipeline::GenerateCodeForTesting(&info, desc, m.graph(), m.Export());
+#ifdef ENABLE_DISASSEMBLER
+ if (FLAG_print_code) {
+ OFStream os(stdout);
+ code->Disassemble("three_value", os);
+ }
+#endif
+
+ RawMachineAssemblerTester<int32_t> mt;
+ Node* a = mt.Int32Constant(123);
+ Node* b = mt.Int32Constant(456);
+ Node* ret3 = mt.AddNode(mt.common()->Call(desc), mt.HeapConstant(code), a, b);
+ Node* x = mt.AddNode(mt.common()->Projection(0), ret3);
+ Node* y = mt.AddNode(mt.common()->Projection(1), ret3);
+ Node* z = mt.AddNode(mt.common()->Projection(2), ret3);
+ Node* ret = mt.Int32Add(mt.Int32Add(x, y), z);
+ mt.Return(ret);
+#ifdef ENABLE_DISASSEMBLER
+ Handle<Code> code2 = mt.GetCode();
+ if (FLAG_print_code) {
+ OFStream os(stdout);
+ code2->Disassemble("three_value_call", os);
+ }
+#endif
+ CHECK_EQ((123 + 456) + (123 - 456) + (123 * 456), mt.Call());
+}
+
+} // namespace compiler
+} // namespace internal
+} // namespace v8