[turbofan] Add general support for sp-based frame access

src/compiler/code-generator.cc

Index: src/compiler/code-generator.cc
diff --git a/src/compiler/code-generator.cc b/src/compiler/code-generator.cc
index de3edaab3d5712653f8ea1269929efdf6e4ebb25..c496ff451fd3d3793a5be1747a18a7421b709b56 100644
--- a/src/compiler/code-generator.cc
+++ b/src/compiler/code-generator.cc
@@ -34,7 +34,7 @@ class CodeGenerator::JumpTable final : public ZoneObject {
 
 CodeGenerator::CodeGenerator(Frame* frame, Linkage* linkage,
                              InstructionSequence* code, CompilationInfo* info)
-    : frame_(frame),
+    : frame_access_state_(new (code->zone()) FrameAccessState(frame)),
       linkage_(linkage),
       code_(code),
       info_(info),
@@ -52,11 +52,13 @@ CodeGenerator::CodeGenerator(Frame* frame, Linkage* linkage,
       last_lazy_deopt_pc_(0),
       jump_tables_(nullptr),
       ools_(nullptr),
-      osr_pc_offset_(-1),
-      needs_frame_(frame->GetSpillSlotCount() > 0 || code->ContainsCall()) {
+      osr_pc_offset_(-1) {
   for (int i = 0; i < code->InstructionBlockCount(); ++i) {
     new (&labels_[i]) Label;
   }
+  if (code->ContainsCall()) {
+    frame->MarkNeedsFrame();
+  }
 }