Initial steps towards cleaning up integer arithmetic IR.

runtime/vm/il_printer.cc

Index: runtime/vm/il_printer.cc
diff --git a/runtime/vm/il_printer.cc b/runtime/vm/il_printer.cc
index 4afa845b3c62bd7995fa0d3e177a5442503d6ba7..1861aeb20c2fc5eb7940ae16a0281e48ff82b8f4 100644
--- a/runtime/vm/il_printer.cc
+++ b/runtime/vm/il_printer.cc
@@ -592,30 +592,20 @@ void ExtractNthOutputInstr::PrintOperandsTo(BufferFormatter* f) const {
 }
 
 
-void BinarySmiOpInstr::PrintTo(BufferFormatter* f) const {
-  Definition::PrintTo(f);
-  f->Print(" %co", overflow_ ? '+' : '-');
-  f->Print(" %ct", IsTruncating() ? '+' : '-');
-}
-
-
-void BinarySmiOpInstr::PrintOperandsTo(BufferFormatter* f) const {
+void UnaryIntegerOpInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("%s, ", Token::Str(op_kind()));
-  left()->PrintTo(f);
-  f->Print(", ");
-  right()->PrintTo(f);
-}
-
-
-void BinaryInt32OpInstr::PrintTo(BufferFormatter* f) const {
-  Definition::PrintTo(f);
-  f->Print(" %co", overflow_ ? '+' : '-');
-  f->Print(" %ct", IsTruncating() ? '+' : '-');
+  value()->PrintTo(f);
 }
 
 
-void BinaryInt32OpInstr::PrintOperandsTo(BufferFormatter* f) const {
-  f->Print("%s, ", Token::Str(op_kind()));
+void BinaryIntegerOpInstr::PrintOperandsTo(BufferFormatter* f) const {
+  f->Print("%s", Token::Str(op_kind()));
+  if (is_truncating()) {
+    f->Print(" [tr]");
+  } else if (!can_overflow()) {
+    f->Print(" [-o]");
+  }
+  f->Print(", ");
   left()->PrintTo(f);
   f->Print(", ");
   right()->PrintTo(f);
@@ -871,56 +861,6 @@ void BinaryInt32x4OpInstr::PrintOperandsTo(BufferFormatter* f) const {
 }
 
 
-void BinaryMintOpInstr::PrintOperandsTo(BufferFormatter* f) const {
-  f->Print("%s, ", Token::Str(op_kind()));
-  left()->PrintTo(f);
-  f->Print(", ");
-  right()->PrintTo(f);
-}
-
-
-void ShiftMintOpInstr::PrintOperandsTo(BufferFormatter* f) const {
-  f->Print("%s, ", Token::Str(op_kind()));
-  left()->PrintTo(f);
-  f->Print(", ");
-  right()->PrintTo(f);
-}
-
-
-void UnaryMintOpInstr::PrintOperandsTo(BufferFormatter* f) const {
-  f->Print("%s, ", Token::Str(op_kind()));
-  value()->PrintTo(f);
-}
-
-
-void BinaryUint32OpInstr::PrintOperandsTo(BufferFormatter* f) const {
-  f->Print("%s, ", Token::Str(op_kind()));
-  left()->PrintTo(f);
-  f->Print(", ");
-  right()->PrintTo(f);
-}
-
-
-void ShiftUint32OpInstr::PrintOperandsTo(BufferFormatter* f) const {
-  f->Print("%s, ", Token::Str(op_kind()));
-  left()->PrintTo(f);
-  f->Print(", ");
-  right()->PrintTo(f);
-}
-
-
-void UnaryUint32OpInstr::PrintOperandsTo(BufferFormatter* f) const {
-  f->Print("%s, ", Token::Str(op_kind()));
-  value()->PrintTo(f);
-}
-
-
-void UnarySmiOpInstr::PrintOperandsTo(BufferFormatter* f) const {
-  f->Print("%s, ", Token::Str(op_kind()));
-  value()->PrintTo(f);
-}
-
-
 void UnaryDoubleOpInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("%s, ", Token::Str(op_kind()));
   value()->PrintTo(f);