[turbofan] Unify Math.floor / Math.ceil optimization.

test/unittests/compiler/js-builtin-reducer-unittest.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 "src/compiler/js-builtin-reducer.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/node-properties.h"
 #include "src/compiler/typer.h"
 #include "test/unittests/compiler/graph-unittest.h"
 #include "test/unittests/compiler/node-test-utils.h"
@@ skipping 219 matching lines @@
 
 TEST_F(JSBuiltinReducerTest, MathFloorAvailable) {
   Handle<JSFunction> f = MathFunction("floor");
 
   TRACED_FOREACH(Type*, t0, kNumberTypes) {
     Node* p0 = Parameter(t0, 0);
     Node* fun = HeapConstant(Unique<HeapObject>::CreateUninitialized(f));
     Node* call =
         graph()->NewNode(javascript()->CallFunction(3, NO_CALL_FUNCTION_FLAGS),
                          fun, UndefinedConstant(), p0);
-    Reduction r = Reduce(call, MachineOperatorBuilder::Flag::kFloat64Floor);
+    Reduction r = Reduce(call, MachineOperatorBuilder::Flag::kFloat64RoundDown);
 
     ASSERT_TRUE(r.Changed());
-    EXPECT_THAT(r.replacement(), IsFloat64Floor(p0));
+    EXPECT_THAT(r.replacement(), IsFloat64RoundDown(p0));
   }
 }
 
 
 TEST_F(JSBuiltinReducerTest, MathFloorUnavailable) {
   Handle<JSFunction> f = MathFunction("floor");
 
   TRACED_FOREACH(Type*, t0, kNumberTypes) {
     Node* p0 = Parameter(t0, 0);
     Node* fun = HeapConstant(Unique<HeapObject>::CreateUninitialized(f));
     Node* call =
         graph()->NewNode(javascript()->CallFunction(3, NO_CALL_FUNCTION_FLAGS),
                          fun, UndefinedConstant(), p0);
     Reduction r = Reduce(call, MachineOperatorBuilder::Flag::kNoFlags);
 
     ASSERT_FALSE(r.Changed());
   }
 }
 
-
-// -----------------------------------------------------------------------------
-// Math.ceil
-
-
-TEST_F(JSBuiltinReducerTest, MathCeilAvailable) {
-  Handle<JSFunction> f = MathFunction("ceil");
-
-  TRACED_FOREACH(Type*, t0, kNumberTypes) {
-    Node* p0 = Parameter(t0, 0);
-    Node* fun = HeapConstant(Unique<HeapObject>::CreateUninitialized(f));
-    Node* call =
-        graph()->NewNode(javascript()->CallFunction(3, NO_CALL_FUNCTION_FLAGS),
-                         fun, UndefinedConstant(), p0);
-    Reduction r = Reduce(call, MachineOperatorBuilder::Flag::kFloat64Ceil);
-
-    ASSERT_TRUE(r.Changed());
-    EXPECT_THAT(r.replacement(), IsFloat64Ceil(p0));
-  }
-}
-
-
-TEST_F(JSBuiltinReducerTest, MathCeilUnavailable) {
-  Handle<JSFunction> f = MathFunction("ceil");
-
-  TRACED_FOREACH(Type*, t0, kNumberTypes) {
-    Node* p0 = Parameter(t0, 0);
-    Node* fun = HeapConstant(Unique<HeapObject>::CreateUninitialized(f));
-    Node* call =
-        graph()->NewNode(javascript()->CallFunction(3, NO_CALL_FUNCTION_FLAGS),
-                         fun, UndefinedConstant(), p0);
-    Reduction r = Reduce(call, MachineOperatorBuilder::Flag::kNoFlags);
-
-    ASSERT_FALSE(r.Changed());
-  }
-}
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8