[turbofan] Add MachineType to Phi.

src/compiler/node.cc

Index: src/compiler/node.cc
diff --git a/src/compiler/node.cc b/src/compiler/node.cc
index 8e5c0df215449c78ad48d906d8752ddab33eda4a..cab584270955510647f8e8715c0084d33c27c8bd 100644
--- a/src/compiler/node.cc
+++ b/src/compiler/node.cc
@@ -24,19 +24,19 @@ void Node::CollectProjections(NodeVector* projections) {
   }
   for (UseIter i = uses().begin(); i != uses().end(); ++i) {
     if ((*i)->opcode() != IrOpcode::kProjection) continue;
-    int32_t index = OpParameter<int32_t>(*i);
+    int index = OpParameter<int>(*i);
     DCHECK_GE(index, 0);
-    DCHECK_LT(index, static_cast<int32_t>(projections->size()));
+    DCHECK_LT(index, static_cast<int>(projections->size()));
     DCHECK_EQ(NULL, (*projections)[index]);
     (*projections)[index] = *i;
   }
 }
 
 
-Node* Node::FindProjection(int32_t projection_index) {
+Node* Node::FindProjection(int projection_index) {
   for (UseIter i = uses().begin(); i != uses().end(); ++i) {
     if ((*i)->opcode() == IrOpcode::kProjection &&
-        OpParameter<int32_t>(*i) == projection_index) {
+        OpParameter<int>(*i) == projection_index) {
       return *i;
     }
   }