Support Int32 representation for selected binary operations.

runtime/vm/il_printer.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/il_printer.h"
 
 #include "vm/flow_graph_range_analysis.h"
 #include "vm/intermediate_language.h"
 #include "vm/os.h"
 #include "vm/parser.h"
@@ skipping 224 matching lines @@
     if (i > 0) f->Print(", ");
     if (InputAt(i) != NULL) {
       InputAt(i)->PrintTo(f);
     }
   }
 }
 
 
 void Value::PrintTo(BufferFormatter* f) const {
   PrintUse(f, *definition());
+
   if ((reaching_type_ != NULL) &&
       (reaching_type_ != definition()->type_)) {
     f->Print(" ");
     reaching_type_->PrintTo(f);
   }
 }
 
 
 void ConstantInstr::PrintOperandsTo(BufferFormatter* f) const {
   const char* cstr = value().ToCString();
@@ skipping 340 matching lines @@
 
 
 void BinarySmiOpInstr::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() ? '+' : '-');
+}
+
+
+void BinaryInt32OpInstr::PrintOperandsTo(BufferFormatter* f) const {
+  f->Print("%s, ", Token::Str(op_kind()));
+  left()->PrintTo(f);
+  f->Print(", ");
+  right()->PrintTo(f);
+}
+
+
 void BinaryDoubleOpInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("%s, ", Token::Str(op_kind()));
   left()->PrintTo(f);
   f->Print(", ");
   right()->PrintTo(f);
 }
 
 
 void BinaryFloat32x4OpInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("%s, ", Token::Str(op_kind()));
@@ skipping 343 matching lines @@
     }
     f->Print("\n}");
   }
   if (HasParallelMove()) {
     f->Print(" ");
     parallel_move()->PrintTo(f);
   }
 }
 
 
+static const char *RepresentationToCString(Representation rep) {
+  switch (rep) {
+    case kTagged:
+      return "tagged";
+    case kUntagged:
+      return "untagged";
+    case kUnboxedDouble:
+      return "double";
+    case kUnboxedInt32:
+      return "int32";
+    case kUnboxedUint32:
+      return "uint32";
+    case kUnboxedMint:
+      return "mint";
+    case kUnboxedFloat32x4:
+      return "float32x4";
+    case kUnboxedInt32x4:
+      return "int32x4";
+    case kUnboxedFloat64x2:
+      return "float64x2";
+    case kPairOfTagged:
+      return "tagged-pair";
+    case kPairOfUnboxedDouble:
+      return "double-pair";
+    case kNoRepresentation:
+      return "none";
+    case kNumRepresentations:
+      UNREACHABLE();
+  }
+  return "?";
+}
+
+
 void PhiInstr::PrintTo(BufferFormatter* f) const {
   f->Print("v%" Pd " <- phi(", ssa_temp_index());
   for (intptr_t i = 0; i < inputs_.length(); ++i) {
     if (inputs_[i] != NULL) inputs_[i]->PrintTo(f);
     if (i < inputs_.length() - 1) f->Print(", ");
   }
   f->Print(")");
   if (is_alive()) {
     f->Print(" alive");
   } else {
     f->Print(" dead");
   }
   if (range_ != NULL) {
     f->Print(" ");
     range_->PrintTo(f);
   }
+
+  if (representation() != kNoRepresentation &&
+      representation() != kTagged) {
+    f->Print(" %s", RepresentationToCString(representation()));
+  }
+
   if (type_ != NULL) {
     f->Print(" ");
     type_->PrintTo(f);
   }
 }
 
 
+void UnboxedIntConverterInstr::PrintOperandsTo(BufferFormatter* f) const {
+  f->Print("%s->%s, ",
+           RepresentationToCString(from()),
+           RepresentationToCString(to()));
+  Definition::PrintOperandsTo(f);
+}
+
+
 void ParameterInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("%" Pd, index());
 }
 
 
 void CheckStackOverflowInstr::PrintOperandsTo(BufferFormatter* f) const {
   if (in_loop()) f->Print("depth %" Pd, loop_depth());
 }
 
 
@@ skipping 93 matching lines @@
 }
 
 const char* Environment::ToCString() const {
   char buffer[1024];
   BufferFormatter bf(buffer, 1024);
   PrintTo(&bf);
   return Isolate::Current()->current_zone()->MakeCopyOfString(buffer);
 }
 
 }  // namespace dart