[turbofan] Add operators for float32 support.

src/compiler/common-operator-unittest.cc

Index: src/compiler/common-operator-unittest.cc
diff --git a/src/compiler/common-operator-unittest.cc b/src/compiler/common-operator-unittest.cc
index 128f8ddede541c214f4dfd3779f19c5abf445293..5001770ddf1347c772e9bc7d2b44424f69f24fd7 100644
--- a/src/compiler/common-operator-unittest.cc
+++ b/src/compiler/common-operator-unittest.cc
@@ -4,6 +4,8 @@
 
 #include "src/compiler/common-operator.h"
 
+#include <limits>
+
 #include "src/compiler/operator-properties-inl.h"
 #include "src/test/test-utils.h"
 
@@ -132,9 +134,26 @@ class CommonOperatorTest : public TestWithZone {
 
 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);