[turbofan] Only reduce inline %DeoptimizeNow.

This makes sure only the %_DeoptimizeNow intrinsic is inlined, and
not the %DeoptimizeNow one. It hence re-establishes the invariant
that JSIntrinsicLowering only deals with inline intrinsics.

R=jarin@chromium.org
TEST=mjsunit/compiler/eager-deopt-simple

Review URL: https://codereview.chromium.org/988333003

Cr-Commit-Position: refs/heads/master@{#27070}

src/compiler/js-intrinsic-lowering.cc

@@ -20,9 +20,10 @@ Reduction JSIntrinsicLowering::Reduce(Node* node) {
   if (node->opcode() != IrOpcode::kJSCallRuntime) return NoChange();
   const Runtime::Function* const f =
       Runtime::FunctionForId(CallRuntimeParametersOf(node->op()).id());
+  if (f->intrinsic_type != Runtime::IntrinsicType::INLINE) return NoChange();
   switch (f->function_id) {
-    case Runtime::kDeoptimizeNow:
-      return ReduceDeoptimizeNow(node);
+    case Runtime::kInlineDeoptimizeNow:
+      return ReduceInlineDeoptimizeNow(node);
     case Runtime::kInlineIsSmi:
       return ReduceInlineIsSmi(node);
     case Runtime::kInlineIsNonNegativeSmi:
@@ -48,7 +49,7 @@ Reduction JSIntrinsicLowering::Reduce(Node* node) {
 }
 
 
-Reduction JSIntrinsicLowering::ReduceDeoptimizeNow(Node* node) {
+Reduction JSIntrinsicLowering::ReduceInlineDeoptimizeNow(Node* node) {
   if (!FLAG_turbo_deoptimization) return NoChange();
 
   Node* frame_state = NodeProperties::GetFrameStateInput(node, 0);

src/compiler/js-intrinsic-lowering.h

@@ -27,7 +27,7 @@ class JSIntrinsicLowering FINAL : public Reducer {
   Reduction Reduce(Node* node) FINAL;
 
  private:
-  Reduction ReduceDeoptimizeNow(Node* node);
+  Reduction ReduceInlineDeoptimizeNow(Node* node);
   Reduction ReduceInlineIsSmi(Node* node);
   Reduction ReduceInlineIsNonNegativeSmi(Node* node);
   Reduction ReduceInlineIsInstanceType(Node* node, InstanceType instance_type);

src/compiler/linkage.cc

@@ -129,6 +129,7 @@ bool Linkage::NeedsFrameState(Runtime::FunctionId function) {
     case Runtime::kInlineArguments:
     case Runtime::kInlineCallFunction:
     case Runtime::kInlineDateField:
+    case Runtime::kInlineDeoptimizeNow:
     case Runtime::kInlineGetPrototype:
     case Runtime::kInlineRegExpExec:
       return true;

test/mjsunit/compiler/eager-deopt-simple.js

@@ -9,7 +9,7 @@ function g(a, b, c) {
 }
 
 function f() {
-  return g(1, (%DeoptimizeNow(), 2), 3);
+  return g(1, (%_DeoptimizeNow(), 2), 3);
 }
 
 f();