[turbofan] Add support for eager/soft deoptimization reasons.

src/compiler/x64/instruction-selector-x64.cc

Index: src/compiler/x64/instruction-selector-x64.cc
diff --git a/src/compiler/x64/instruction-selector-x64.cc b/src/compiler/x64/instruction-selector-x64.cc
index 676483c978a5f230d4fbe976eccfdf172973a5fa..ef82119e82b26fb997293aee0e7d6002827f7286 100644
--- a/src/compiler/x64/instruction-selector-x64.cc
+++ b/src/compiler/x64/instruction-selector-x64.cc
@@ -440,7 +440,7 @@ static void VisitBinop(InstructionSelector* selector, Node* node,
   opcode = cont->Encode(opcode);
   if (cont->IsDeoptimize()) {
     selector->EmitDeoptimize(opcode, output_count, outputs, input_count, inputs,
-                             cont->frame_state());
+                             cont->reason(), cont->frame_state());
   } else {
     selector->Emit(opcode, output_count, outputs, input_count, inputs);
   }
@@ -1506,7 +1506,7 @@ void VisitCompareWithMemoryOperand(InstructionSelector* selector,
     selector->Emit(opcode, 0, nullptr, input_count, inputs);
   } else if (cont->IsDeoptimize()) {
     selector->EmitDeoptimize(opcode, 0, nullptr, input_count, inputs,
-                             cont->frame_state());
+                             cont->reason(), cont->frame_state());
   } else {
     DCHECK(cont->IsSet());
     InstructionOperand output = g.DefineAsRegister(cont->result());
@@ -1524,7 +1524,7 @@ void VisitCompare(InstructionSelector* selector, InstructionCode opcode,
     selector->Emit(opcode, g.NoOutput(), left, right,
                    g.Label(cont->true_block()), g.Label(cont->false_block()));
   } else if (cont->IsDeoptimize()) {
-    selector->EmitDeoptimize(opcode, g.NoOutput(), left, right,
+    selector->EmitDeoptimize(opcode, g.NoOutput(), left, right, cont->reason(),
                              cont->frame_state());
   } else {
     DCHECK(cont->IsSet());
@@ -1641,7 +1641,7 @@ void VisitWord64Compare(InstructionSelector* selector, Node* node,
         selector->Emit(opcode, g.NoOutput(), g.Label(cont->true_block()),
                        g.Label(cont->false_block()));
       } else if (cont->IsDeoptimize()) {
-        selector->EmitDeoptimize(opcode, 0, nullptr, 0, nullptr,
+        selector->EmitDeoptimize(opcode, 0, nullptr, 0, nullptr, cont->reason(),
                                  cont->frame_state());
       } else {
         DCHECK(cont->IsSet());
@@ -1825,14 +1825,14 @@ void InstructionSelector::VisitBranch(Node* branch, BasicBlock* tbranch,
 }
 
 void InstructionSelector::VisitDeoptimizeIf(Node* node) {
-  FlagsContinuation cont =
-      FlagsContinuation::ForDeoptimize(kNotEqual, node->InputAt(1));
+  FlagsContinuation cont = FlagsContinuation::ForDeoptimize(
+      kNotEqual, DeoptimizeReasonOf(node->op()), node->InputAt(1));
   VisitWordCompareZero(this, node, node->InputAt(0), &cont);
 }
 
 void InstructionSelector::VisitDeoptimizeUnless(Node* node) {
-  FlagsContinuation cont =
-      FlagsContinuation::ForDeoptimize(kEqual, node->InputAt(1));
+  FlagsContinuation cont = FlagsContinuation::ForDeoptimize(
+      kEqual, DeoptimizeReasonOf(node->op()), node->InputAt(1));
   VisitWordCompareZero(this, node, node->InputAt(0), &cont);
 }