[turbofan] First shot at eager deoptimization in Turbofan.

src/compiler/arm/code-generator-arm.cc

Index: src/compiler/arm/code-generator-arm.cc
diff --git a/src/compiler/arm/code-generator-arm.cc b/src/compiler/arm/code-generator-arm.cc
index c2c9ea698e997ee251eca650bffcbb2b274b4266..f47eafebf51a1cc84ae9fa5cf29079330c99b3ac 100644
--- a/src/compiler/arm/code-generator-arm.cc
+++ b/src/compiler/arm/code-generator-arm.cc
@@ -348,6 +348,12 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
       // don't emit code for nops.
       DCHECK_EQ(LeaveCC, i.OutputSBit());
       break;
+    case kArchDeoptimize: {
+      int deopt_state_id =
+          BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore());
+      AssembleDeoptimizerCall(deopt_state_id, Deoptimizer::EAGER);
+      break;
+    }
     case kArchRet:
       AssembleReturn();
       DCHECK_EQ(LeaveCC, i.OutputSBit());
@@ -785,9 +791,10 @@ void CodeGenerator::AssembleArchTableSwitch(Instruction* instr) {
 }
 
 
-void CodeGenerator::AssembleDeoptimizerCall(int deoptimization_id) {
+void CodeGenerator::AssembleDeoptimizerCall(
+    int deoptimization_id, Deoptimizer::BailoutType bailout_type) {
   Address deopt_entry = Deoptimizer::GetDeoptimizationEntry(
-      isolate(), deoptimization_id, Deoptimizer::LAZY);
+      isolate(), deoptimization_id, bailout_type);
   __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY);
 }