Add Uint32 representation

runtime/vm/intermediate_language.cc

Index: runtime/vm/intermediate_language.cc
diff --git a/runtime/vm/intermediate_language.cc b/runtime/vm/intermediate_language.cc
index 2007daa4c05d1df2a7197295e2e198364311f6f4..de3f3c2968a804567731ddbaa835e3a37f530264 100644
--- a/runtime/vm/intermediate_language.cc
+++ b/runtime/vm/intermediate_language.cc
@@ -1464,6 +1464,29 @@ Definition* BinaryMintOpInstr::Canonicalize(FlowGraph* flow_graph) {
 }
 
 
+Definition* BinaryUint32OpInstr::Canonicalize(FlowGraph* flow_graph) {
+  Definition* result = NULL;
+
+  result = CanonicalizeCommutativeArithmetic(op_kind(),
+                                             kMintCid,
+                                             left(),
+                                             right());
+  if (result != NULL) {
+    return result;
+  }
+
+  result = CanonicalizeCommutativeArithmetic(op_kind(),
+                                             kMintCid,
+                                             right(),
+                                             left());
+  if (result != NULL) {
+    return result;
+  }
+
+  return this;
+}
+
+
 // Optimizations that eliminate or simplify individual instructions.
 Instruction* Instruction::Canonicalize(FlowGraph* flow_graph) {
   return this;