Add Uint32 representation

runtime/vm/flow_graph_type_propagator.cc

Index: runtime/vm/flow_graph_type_propagator.cc
diff --git a/runtime/vm/flow_graph_type_propagator.cc b/runtime/vm/flow_graph_type_propagator.cc
index 9a68f2600e0f349fc73903d8fee2822da5576a16..e437f997b641c99bc9b08cdec7bcaf0162f992a6 100644
--- a/runtime/vm/flow_graph_type_propagator.cc
+++ b/runtime/vm/flow_graph_type_propagator.cc
@@ -1328,4 +1328,35 @@ CompileType ExtractNthOutputInstr::ComputeType() const {
 }
 
 
+CompileType BinaryUint32OpInstr::ComputeType() const {
+  return CompileType::Int();

[Vyacheslav Egorov (Google), 2014/07/07 16:16:03]

On x64 it's actually CompileType::FromCid(kSmiCid) (ditto for the rest).

[Cutch, 2014/07/07 22:34:28]

Done.

+}
+
+
+CompileType ShiftUint32OpInstr::ComputeType() const {
+  return CompileType::Int();
+}
+
+
+CompileType UnaryUint32OpInstr::ComputeType() const {
+  return CompileType::Int();
+}
+
+
+CompileType BoxUint32Instr::ComputeType() const {
+  return CompileType::Int();
+}
+
+
+bool BoxUint32Instr::RecomputeType() {

[Vyacheslav Egorov (Google), 2014/07/07 16:16:03]

I am not sure why this is needed given that BoxUint32Instr::ComputeType is
constant.

[Cutch, 2014/07/07 22:34:28]

Done.

+  return UpdateType(ComputeType());
+}
+
+
+CompileType UnboxUint32Instr::ComputeType() const {
+  return CompileType::Int();
+}
+
+
+
 }  // namespace dart