[turbofan] more verification of rpo

test/cctest/compiler/test-run-machops.cc

 // 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 <functional>
 #include <limits>
 
 #include "src/base/bits.h"
 #include "src/compiler/generic-node-inl.h"
 #include "test/cctest/cctest.h"
@@ skipping 124 matching lines @@
   m.Branch(m.Int32Constant(0), &blocka, &blocka);
   m.Bind(&blocka);
   m.Return(m.Int32Constant(constant));
 
   CHECK_EQ(constant, m.Call());
 }
 
 
 TEST(RunRedundantBranch2) {
   RawMachineAssemblerTester<int32_t> m;
-  int constant = 955777;
-
-  MLabel blocka, blockb;
-  m.Branch(m.Int32Constant(0), &blocka, &blocka);
-  m.Bind(&blockb);
-  m.Goto(&blocka);
-  m.Bind(&blocka);
-  m.Return(m.Int32Constant(constant));
-
-  CHECK_EQ(constant, m.Call());
-}
-
-
-TEST(RunRedundantBranch3) {
-  RawMachineAssemblerTester<int32_t> m;
   int constant = 966777;
 
   MLabel blocka, blockb, blockc;
   m.Branch(m.Int32Constant(0), &blocka, &blockc);
   m.Bind(&blocka);
   m.Branch(m.Int32Constant(0), &blockb, &blockb);
   m.Bind(&blockc);
   m.Goto(&blockb);
   m.Bind(&blockb);
   m.Return(m.Int32Constant(constant));
@@ skipping 4066 matching lines @@
   RawMachineAssemblerTester<int32_t> m;
   m.Return(m.TruncateFloat64ToInt32(m.LoadFromPointer(&input, kMachFloat64)));
   for (size_t i = 0; i < arraysize(kValues); ++i) {
     input = kValues[i].from;
     uint64_t expected = static_cast<int64_t>(kValues[i].raw);
     CHECK_EQ(static_cast<int>(expected), m.Call());
   }
 }
 
 #endif  // V8_TURBOFAN_TARGET