[cleanup] Replace ToBooleanICStub::Types with ToBooleanHints

src/crankshaft/x64/lithium-codegen-x64.cc

Index: src/crankshaft/x64/lithium-codegen-x64.cc
diff --git a/src/crankshaft/x64/lithium-codegen-x64.cc b/src/crankshaft/x64/lithium-codegen-x64.cc
index 52cf25175fe3ff44ceb77524371468999655bdea..60d00927d093f438b55adb3be48ff60379d8c2ca 100644
--- a/src/crankshaft/x64/lithium-codegen-x64.cc
+++ b/src/crankshaft/x64/lithium-codegen-x64.cc
@@ -1993,17 +1993,16 @@ void LCodeGen::DoBranch(LBranch* instr) {
       __ cmpp(FieldOperand(reg, String::kLengthOffset), Immediate(0));
       EmitBranch(instr, not_equal);
     } else {
-      ToBooleanICStub::Types expected =
-          instr->hydrogen()->expected_input_types();
+      ToBooleanHints expected = instr->hydrogen()->expected_input_types();
       // Avoid deopts in the case where we've never executed this path before.
-      if (expected.IsEmpty()) expected = ToBooleanICStub::Types::Generic();
+      if (expected == ToBooleanHint::kNone) expected = ToBooleanHint::kAny;
 
-      if (expected.Contains(ToBooleanICStub::UNDEFINED)) {
+      if (expected & ToBooleanHint::kUndefined) {
         // undefined -> false.
         __ CompareRoot(reg, Heap::kUndefinedValueRootIndex);
         __ j(equal, instr->FalseLabel(chunk_));
       }
-      if (expected.Contains(ToBooleanICStub::BOOLEAN)) {
+      if (expected & ToBooleanHint::kBoolean) {
         // true -> true.
         __ CompareRoot(reg, Heap::kTrueValueRootIndex);
         __ j(equal, instr->TrueLabel(chunk_));
@@ -2011,28 +2010,28 @@ void LCodeGen::DoBranch(LBranch* instr) {
         __ CompareRoot(reg, Heap::kFalseValueRootIndex);
         __ j(equal, instr->FalseLabel(chunk_));
       }
-      if (expected.Contains(ToBooleanICStub::NULL_TYPE)) {
+      if (expected & ToBooleanHint::kNull) {
         // 'null' -> false.
         __ CompareRoot(reg, Heap::kNullValueRootIndex);
         __ j(equal, instr->FalseLabel(chunk_));
       }
 
-      if (expected.Contains(ToBooleanICStub::SMI)) {
+      if (expected & ToBooleanHint::kSmallInteger) {
         // Smis: 0 -> false, all other -> true.
         __ Cmp(reg, Smi::kZero);
         __ j(equal, instr->FalseLabel(chunk_));
         __ JumpIfSmi(reg, instr->TrueLabel(chunk_));
-      } else if (expected.NeedsMap()) {
+      } else if (expected & ToBooleanHint::kNeedsMap) {
         // If we need a map later and have a Smi -> deopt.
         __ testb(reg, Immediate(kSmiTagMask));
         DeoptimizeIf(zero, instr, DeoptimizeReason::kSmi);
       }
 
       const Register map = kScratchRegister;
-      if (expected.NeedsMap()) {
+      if (expected & ToBooleanHint::kNeedsMap) {
         __ movp(map, FieldOperand(reg, HeapObject::kMapOffset));
 
-        if (expected.CanBeUndetectable()) {
+        if (expected & ToBooleanHint::kCanBeUndetectable) {
           // Undetectable -> false.
           __ testb(FieldOperand(map, Map::kBitFieldOffset),
                    Immediate(1 << Map::kIsUndetectable));
@@ -2040,13 +2039,13 @@ void LCodeGen::DoBranch(LBranch* instr) {
         }
       }
 
-      if (expected.Contains(ToBooleanICStub::SPEC_OBJECT)) {
+      if (expected & ToBooleanHint::kReceiver) {
         // spec object -> true.
         __ CmpInstanceType(map, FIRST_JS_RECEIVER_TYPE);
         __ j(above_equal, instr->TrueLabel(chunk_));
       }
 
-      if (expected.Contains(ToBooleanICStub::STRING)) {
+      if (expected & ToBooleanHint::kString) {
         // String value -> false iff empty.
         Label not_string;
         __ CmpInstanceType(map, FIRST_NONSTRING_TYPE);
@@ -2057,19 +2056,19 @@ void LCodeGen::DoBranch(LBranch* instr) {
         __ bind(&not_string);
       }
 
-      if (expected.Contains(ToBooleanICStub::SYMBOL)) {
+      if (expected & ToBooleanHint::kSymbol) {
         // Symbol value -> true.
         __ CmpInstanceType(map, SYMBOL_TYPE);
         __ j(equal, instr->TrueLabel(chunk_));
       }
 
-      if (expected.Contains(ToBooleanICStub::SIMD_VALUE)) {
+      if (expected & ToBooleanHint::kSimdValue) {
         // SIMD value -> true.
         __ CmpInstanceType(map, SIMD128_VALUE_TYPE);
         __ j(equal, instr->TrueLabel(chunk_));
       }
 
-      if (expected.Contains(ToBooleanICStub::HEAP_NUMBER)) {
+      if (expected & ToBooleanHint::kHeapNumber) {
         // heap number -> false iff +0, -0, or NaN.
         Label not_heap_number;
         __ CompareRoot(map, Heap::kHeapNumberMapRootIndex);
@@ -2082,7 +2081,7 @@ void LCodeGen::DoBranch(LBranch* instr) {
         __ bind(&not_heap_number);
       }
 
-      if (!expected.IsGeneric()) {
+      if (expected != ToBooleanHint::kAny) {
         // We've seen something for the first time -> deopt.
         // This can only happen if we are not generic already.
         DeoptimizeIf(no_condition, instr, DeoptimizeReason::kUnexpectedObject);