[crankshaft] Remove HLoadKeyedGeneric and use HCallWithDescriptor to call KeyedLoadIC.

src/crankshaft/ppc/lithium-ppc.h

Index: src/crankshaft/ppc/lithium-ppc.h
diff --git a/src/crankshaft/ppc/lithium-ppc.h b/src/crankshaft/ppc/lithium-ppc.h
index 9e2ce34c66b921e5621d7e6b565f2ad84e6f112d..6974041318a850859862e6862787b43e0cca6dae 100644
--- a/src/crankshaft/ppc/lithium-ppc.h
+++ b/src/crankshaft/ppc/lithium-ppc.h
@@ -90,7 +90,6 @@ class LCodeGen;
   V(LoadFieldByIndex)                        \
   V(LoadFunctionPrototype)                   \
   V(LoadKeyed)                               \
-  V(LoadKeyedGeneric)                        \
   V(LoadNamedField)                          \
   V(MathAbs)                                 \
   V(MathClz32)                               \
@@ -1502,25 +1501,6 @@ class LLoadKeyed final : public LTemplateInstruction<1, 3, 0> {
 };
 
 
-class LLoadKeyedGeneric final : public LTemplateInstruction<1, 3, 1> {
- public:
-  LLoadKeyedGeneric(LOperand* context, LOperand* object, LOperand* key,
-                    LOperand* vector) {
-    inputs_[0] = context;
-    inputs_[1] = object;
-    inputs_[2] = key;
-    temps_[0] = vector;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* object() { return inputs_[1]; }
-  LOperand* key() { return inputs_[2]; }
-  LOperand* temp_vector() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadKeyedGeneric, "load-keyed-generic")
-  DECLARE_HYDROGEN_ACCESSOR(LoadKeyedGeneric)
-};
-
 class LLoadContextSlot final : public LTemplateInstruction<1, 1, 0> {
  public:
   explicit LLoadContextSlot(LOperand* context) { inputs_[0] = context; }