[turbofan] Add operators for float32 support.

src/compiler/common-operator-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/common-operator.h"
 
+#include <limits>
+
 #include "src/compiler/operator-properties-inl.h"
 #include "src/test/test-utils.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 
 // -----------------------------------------------------------------------------
 // Shared operators.
@@ skipping 108 matching lines @@
 
   CommonOperatorBuilder* common() { return &common_; }
 
  private:
   CommonOperatorBuilder common_;
 };
 
 
 const int kArguments[] = {1, 5, 6, 42, 100, 10000, kMaxInt};
 
+const float kFloat32Values[] = {
+    std::numeric_limits<float>::min(), -1.0f, -0.0f, 0.0f, 1.0f,
+    std::numeric_limits<float>::max()};
+
 }  // namespace
 
 
+TEST_F(CommonOperatorTest, Float32Constant) {
+  TRACED_FOREACH(float, value, kFloat32Values) {
+    const Operator* op = common()->Float32Constant(value);
+    EXPECT_FLOAT_EQ(value, OpParameter<float>(op));
+    EXPECT_EQ(0, OperatorProperties::GetValueInputCount(op));
+    EXPECT_EQ(0, OperatorProperties::GetTotalInputCount(op));
+    EXPECT_EQ(0, OperatorProperties::GetControlOutputCount(op));
+    EXPECT_EQ(0, OperatorProperties::GetEffectOutputCount(op));
+    EXPECT_EQ(1, OperatorProperties::GetValueOutputCount(op));
+  }
+}
+
+
 TEST_F(CommonOperatorTest, ValueEffect) {
   TRACED_FOREACH(int, arguments, kArguments) {
     const Operator* op = common()->ValueEffect(arguments);
     EXPECT_EQ(arguments, OperatorProperties::GetValueInputCount(op));
     EXPECT_EQ(arguments, OperatorProperties::GetTotalInputCount(op));
     EXPECT_EQ(0, OperatorProperties::GetControlOutputCount(op));
     EXPECT_EQ(1, OperatorProperties::GetEffectOutputCount(op));
     EXPECT_EQ(0, OperatorProperties::GetValueOutputCount(op));
   }
 }
 
 
 TEST_F(CommonOperatorTest, Finish) {
   TRACED_FOREACH(int, arguments, kArguments) {
     const Operator* op = common()->Finish(arguments);
     EXPECT_EQ(1, OperatorProperties::GetValueInputCount(op));
     EXPECT_EQ(arguments, OperatorProperties::GetEffectInputCount(op));
     EXPECT_EQ(arguments + 1, OperatorProperties::GetTotalInputCount(op));
     EXPECT_EQ(0, OperatorProperties::GetControlOutputCount(op));
     EXPECT_EQ(0, OperatorProperties::GetEffectOutputCount(op));
     EXPECT_EQ(1, OperatorProperties::GetValueOutputCount(op));
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8