[turbofan] Introduce DeoptimizeIf And DeoptimizeUnless common operators.

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 bdf4c471656c5c0c03fb0bec192f8f662a9d9856..5c94ccf7c3b2d07bb6ce1b379cf99d14135080db 100644
--- a/src/compiler/arm/code-generator-arm.cc
+++ b/src/compiler/arm/code-generator-arm.cc
@@ -54,6 +54,7 @@ class ArmOperandConverter final : public InstructionOperandConverter {
   SBit OutputSBit() const {
     switch (instr_->flags_mode()) {
       case kFlags_branch:
+      case kFlags_deoptimize:
       case kFlags_set:
         return SetCC;
       case kFlags_none:
@@ -409,7 +410,7 @@ void CodeGenerator::AssemblePrepareTailCall(int stack_param_delta) {
 void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
   ArmOperandConverter i(this, instr);
 
-  masm()->MaybeCheckConstPool();
+  __ MaybeCheckConstPool();
 
   switch (ArchOpcodeField::decode(instr->opcode())) {
     case kArchCallCodeObject: {
@@ -1155,7 +1156,11 @@ void CodeGenerator::AssembleDeoptimizerCall(
     int deoptimization_id, Deoptimizer::BailoutType bailout_type) {
   Address deopt_entry = Deoptimizer::GetDeoptimizationEntry(
       isolate(), deoptimization_id, bailout_type);
+  // TODO(turbofan): We should be able to generate better code by sharing the
+  // actual final call site and just bl'ing to it here, similar to what we do
+  // in the lithium backend.
   __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY);
+  __ CheckConstPool(false, false);
 }