Merge bleeding_edge 17696:18016.

src/trig-table.h

Index: src/trig-table.h
diff --git a/src/hydrogen-infer-types.h b/src/trig-table.h
similarity index 67%
copy from src/hydrogen-infer-types.h
copy to src/trig-table.h
index cfcbf3549ba51603ea9f8aabd55f4d6070ad0488..081c0389ae2d8d1b1c652404162e7ea0d8c4fec6 100644
--- a/src/hydrogen-infer-types.h
+++ b/src/trig-table.h
@@ -25,35 +25,37 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#ifndef V8_HYDROGEN_INFER_TYPES_H_
-#define V8_HYDROGEN_INFER_TYPES_H_
+#ifndef V8_TRIG_TABLE_H_
+#define V8_TRIG_TABLE_H_
 
-#include "hydrogen.h"
 
 namespace v8 {
 namespace internal {
 
-
-class HInferTypesPhase : public HPhase {
+class TrigonometricLookupTable : public AllStatic {
  public:
-  explicit HInferTypesPhase(HGraph* graph)
-      : HPhase("H_Inferring types", graph), worklist_(8, zone()),
-        in_worklist_(graph->GetMaximumValueID(), zone()) { }
-
-  void Run() {
-    InferTypes(0, graph()->blocks()->length() - 1);
+  // Casting away const-ness to use as argument for typed array constructor.
+  static void* sin_table() {
+    return const_cast<double*>(&kSinTable[0]);
   }
 
- private:
-  void InferTypes(int from_inclusive, int to_inclusive);
+  static void* cos_x_interval_table() {
+    return const_cast<double*>(&kCosXIntervalTable[0]);
+  }
 
-  ZoneList<HValue*> worklist_;
-  BitVector in_worklist_;
+  static double samples_over_pi_half() { return kSamplesOverPiHalf; }
+  static int samples() { return kSamples; }
+  static int table_num_bytes() { return kTableSize * sizeof(*kSinTable); }
+  static int table_size() { return kTableSize; }
 
-  DISALLOW_COPY_AND_ASSIGN(HInferTypesPhase);
+ private:
+  static const double kSinTable[];
+  static const double kCosXIntervalTable[];
+  static const int kSamples;
+  static const int kTableSize;
+  static const double kSamplesOverPiHalf;
 };
 
-
 } }  // namespace v8::internal
 
-#endif  // V8_HYDROGEN_INFER_TYPES_H_
+#endif  // V8_TRIG_TABLE_H_