Reverting r7833 because of failing compilation.

vm/intermediate_language_x64.cc

Index: vm/intermediate_language_x64.cc
===================================================================
--- vm/intermediate_language_x64.cc	(revision 7833)
+++ vm/intermediate_language_x64.cc	(working copy)
@@ -7,34 +7,12 @@
 
 #include "vm/flow_graph_compiler.h"
 #include "vm/locations.h"
-#include "vm/stub_code.h"
 
 #define __ compiler->assembler()->
 
 namespace dart {
 
 
-// True iff. the arguments to a call will be properly pushed and can
-// be popped after the call.
-template <typename T> static bool VerifyCallComputation(T* comp) {
-  // Argument values should be consecutive temps.
-  //
-  // TODO(kmillikin): implement stack height tracking so we can also assert
-  // they are on top of the stack.
-  intptr_t previous = -1;
-  for (int i = 0; i < comp->ArgumentCount(); ++i) {
-    Value* val = comp->ArgumentAt(i);
-    if (!val->IsUse()) return false;
-    intptr_t current = val->AsUse()->definition()->temp_index();
-    if (i != 0) {
-      if (current != (previous + 1)) return false;
-    }
-    previous = current;
-  }
-  return true;
-}
-
-
 static LocationSummary* MakeSimpleLocationSummary(
     intptr_t input_count, Location out) {
   LocationSummary* summary = new LocationSummary(input_count);
@@ -74,71 +52,6 @@
 }
 
 
-// Generic summary for call instructions that have all arguments pushed
-// on the stack and return the result in a fixed register RAX.
-static LocationSummary* MakeCallSummary() {
-  LocationSummary* result = new LocationSummary(0);
-  result->set_out(Location::RegisterLocation(RAX));
-  return result;
-}
-
-
-LocationSummary* ClosureCallComp::MakeLocationSummary() {
-  return MakeCallSummary();
-}
-
-
-void ClosureCallComp::EmitNativeCode(FlowGraphCompiler* compiler) {
-  ASSERT(VerifyCallComputation(this));
-  // The arguments to the stub include the closure.  The arguments
-  // descriptor describes the closure's arguments (and so does not include
-  // the closure).
-  int argument_count = ArgumentCount();
-  const Array& arguments_descriptor =
-      CodeGenerator::ArgumentsDescriptor(argument_count - 1,
-                                         argument_names());
-  __ LoadObject(R10, arguments_descriptor);
-
-  compiler->GenerateCall(token_index(),
-                         try_index(),
-                         &StubCode::CallClosureFunctionLabel(),
-                         PcDescriptors::kOther);
-  __ Drop(argument_count);
-}
-
-
-LocationSummary* InstanceCallComp::MakeLocationSummary() {
-  return MakeCallSummary();
-}
-
-
-void InstanceCallComp::EmitNativeCode(FlowGraphCompiler* compiler) {
-  ASSERT(VerifyCallComputation(this));
-  compiler->EmitInstanceCall(cid(),
-                             token_index(),
-                             try_index(),
-                             function_name(),
-                             ArgumentCount(),
-                             argument_names(),
-                             checked_argument_count());
-}
-
-
-LocationSummary* StaticCallComp::MakeLocationSummary() {
-  return MakeCallSummary();
-}
-
-
-void StaticCallComp::EmitNativeCode(FlowGraphCompiler* compiler) {
-  ASSERT(VerifyCallComputation(this));
-  compiler->EmitStaticCall(token_index(),
-                           try_index(),
-                           function(),
-                           ArgumentCount(),
-                           argument_names());
-}
-
-
 void BindInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   computation()->EmitNativeCode(compiler);
   __ pushq(locs()->out().reg());