Intrinsify Uint8ClampedArray's store and load indexed, inline load indexed.

runtime/vm/intermediate_language.cc

Index: runtime/vm/intermediate_language.cc
===================================================================
--- runtime/vm/intermediate_language.cc	(revision 16643)
+++ runtime/vm/intermediate_language.cc	(working copy)
@@ -1092,6 +1092,7 @@
     case kFloat64ArrayCid :
       return Type::Double();
     case kUint8ArrayCid:
+    case kUint8ClampedArrayCid:
     case kExternalUint8ArrayCid:
       return Type::IntType();
     default:
@@ -1110,6 +1111,7 @@
     case kFloat64ArrayCid :
       return kDoubleCid;
     case kUint8ArrayCid:
+    case kUint8ClampedArrayCid:
     case kExternalUint8ArrayCid:
       return kSmiCid;
     default:
@@ -1124,6 +1126,7 @@
     case kArrayCid:
     case kImmutableArrayCid:
     case kUint8ArrayCid:
+    case kUint8ClampedArrayCid:
     case kExternalUint8ArrayCid:
       return kTagged;
     case kFloat32ArrayCid :
@@ -2460,8 +2463,9 @@
 
 void LoadIndexedInstr::InferRange() {
   switch (class_id()) {
+    case kUint8ArrayCid:
+    case kUint8ClampedArrayCid:
     case kExternalUint8ArrayCid:
-    case kUint8ArrayCid:
       range_ = new Range(RangeBoundary::FromConstant(0),
                          RangeBoundary::FromConstant(255));
       break;
@@ -2699,6 +2703,8 @@
       return Array::length_offset();
     case kUint8ArrayCid:
       return Uint8Array::length_offset();
+    case kUint8ClampedArrayCid:
+      return Uint8ClampedArray::length_offset();
     case kExternalUint8ArrayCid:
       return ByteArray::length_offset();
     default: