Second step for computing SSA: renaming.

vm/intermediate_language.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/intermediate_language.h"
 
 #include "vm/bit_vector.h"
 #include "vm/flow_graph_builder.h"
 #include "vm/flow_graph_compiler.h"
 #include "vm/locations.h"
@@ skipping 122 matching lines @@
 
 Value* CreateArrayComp::InputAt(intptr_t i) const {
   if (i == 0) {
     return element_type();
   } else {
     return ElementAt(i - 1);
   }
 }
 
 
+void CreateArrayComp::SetInputAt(intptr_t i, Value* value) {
+  if (i == 0) {
+    inputs_[0] = value;
+  } else {
+    (*elements_)[i - 1] = value;
+  }
+}
+
+
 intptr_t BranchInstr::InputCount() const {
   return 1;
 }
 
 
 Value* BranchInstr::InputAt(intptr_t i) const {
   if (i == 0) return value();
   UNREACHABLE();
   return NULL;
 }
 
 
+void BranchInstr::SetInputAt(intptr_t i, Value* value) {
+  if (i == 0) {
+    value_ = value;
+    return;
+  }
+  UNREACHABLE();
+}
+
+
 intptr_t ReThrowInstr::InputCount() const {
   return 2;
 }
 
 
 Value* ReThrowInstr::InputAt(intptr_t i) const {
   if (i == 0) return exception();
   if (i == 1) return stack_trace();
   UNREACHABLE();
   return NULL;
 }
 
 
+void ReThrowInstr::SetInputAt(intptr_t i, Value* value) {
+  if (i == 0) {
+    exception_ = value;
+    return;
+  }
+  if (i == 1) {
+    stack_trace_ = value;
+    return;
+  }
+  UNREACHABLE();
+}
+
+
 intptr_t ThrowInstr::InputCount() const {
   return 1;
 }
 
 
 Value* ThrowInstr::InputAt(intptr_t i) const {
   if (i == 0) return exception();
   UNREACHABLE();
   return NULL;
 }
 
 
+void ThrowInstr::SetInputAt(intptr_t i, Value* value) {
+  if (i == 0) {
+    exception_ = value;
+    return;
+  }
+  UNREACHABLE();
+}
+
+
 intptr_t ReturnInstr::InputCount() const {
   return 1;
 }
 
 
 Value* ReturnInstr::InputAt(intptr_t i) const {
   if (i == 0) return value();
   UNREACHABLE();
   return NULL;
 }
 
 
+void ReturnInstr::SetInputAt(intptr_t i, Value* value) {
+  if (i == 0) {
+    value_ = value;
+    return;
+  }
+  UNREACHABLE();
+}
+
+
 intptr_t BindInstr::InputCount() const {
   return computation()->InputCount();
 }
 
 
 Value* BindInstr::InputAt(intptr_t i) const {
   return computation()->InputAt(i);
 }
 
 
+void BindInstr::SetInputAt(intptr_t i, Value* value) {
+  computation()->SetInputAt(i, value);
+}
+
+
 intptr_t PhiInstr::InputCount() const {
   return inputs_.length();
 }
 
 
 Value* PhiInstr::InputAt(intptr_t i) const {
   return inputs_[i];
 }
 
 
+void PhiInstr::SetInputAt(intptr_t i, Value* value) {
+  inputs_[i] = value;
+}
+
+
 intptr_t DoInstr::InputCount() const {
   return computation()->InputCount();
 }
 
 
 Value* DoInstr::InputAt(intptr_t i) const {
   return computation()->InputAt(i);
 }
 
 
+void DoInstr::SetInputAt(intptr_t i, Value* value) {
+  computation()->SetInputAt(i, value);
+}
+
+
 intptr_t GraphEntryInstr::InputCount() const {
   return 0;
 }
 
 
 Value* GraphEntryInstr::InputAt(intptr_t i) const {
   UNREACHABLE();
   return NULL;
 }
 
 
+void GraphEntryInstr::SetInputAt(intptr_t i, Value* value) {
+  UNREACHABLE();
+}
+
+
 intptr_t TargetEntryInstr::InputCount() const {
   return 0;
 }
 
 
 Value* TargetEntryInstr::InputAt(intptr_t i) const {
   UNREACHABLE();
   return NULL;
 }
 
 
+void TargetEntryInstr::SetInputAt(intptr_t i, Value* value) {
+  UNREACHABLE();
+}
+
+
 intptr_t JoinEntryInstr::InputCount() const {
   return 0;
 }
 
 
 Value* JoinEntryInstr::InputAt(intptr_t i) const {
   UNREACHABLE();
   return NULL;
 }
 
 
+void JoinEntryInstr::SetInputAt(intptr_t i, Value* value) {
+  UNREACHABLE();
+}
+
+
 // ==== Recording assigned variables.
 void Computation::RecordAssignedVars(BitVector* assigned_vars) {
   // Nothing to do for the base class.
 }
 
 
 void StoreLocalComp::RecordAssignedVars(BitVector* assigned_vars) {
   if (!local().is_captured()) {
     assigned_vars->Add(local().BitIndexIn(assigned_vars->length()));
   }
@@ skipping 923 matching lines @@
   const ExternalLabel label(closure_function.ToCString(), stub.EntryPoint());
   compiler->GenerateCall(token_index(), try_index(), &label,
                          PcDescriptors::kOther);
   __ Drop(2);  // Discard type arguments and receiver.
 }
 
 
 #undef __
 
 }  // namespace dart