[csa][cleanup] TNodify TryGetIntPtrOrSmiConstantValue

Also remove ParameterMode since it is not needed.

Bug: v8:9708, v8:6949
Change-Id: If82cd5ffb89502e3feed7f5af613182df668080e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2370639Reviewed-by: Dan Elphick <delphick@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69541}

src/codegen/code-stub-assembler.cc

@@ -287,23 +287,23 @@ TNode<RawPtrT> CodeStubAssembler::IntPtrOrSmiConstant<RawPtrT>(int value) {
   return ReinterpretCast<RawPtrT>(IntPtrConstant(value));
 }
 
-bool CodeStubAssembler::TryGetIntPtrOrSmiConstantValue(Node* maybe_constant,
-                                                       int* value,
-                                                       ParameterMode mode) {
+bool CodeStubAssembler::TryGetIntPtrOrSmiConstantValue(
+    TNode<Smi> maybe_constant, int* value) {
+  Smi smi_constant;
+  if (ToSmiConstant(maybe_constant, &smi_constant)) {
+    *value = Smi::ToInt(smi_constant);
+    return true;
+  }
+  return false;
+}
+
+bool CodeStubAssembler::TryGetIntPtrOrSmiConstantValue(
+    TNode<IntPtrT> maybe_constant, int* value) {
   int32_t int32_constant;
-  if (mode == INTPTR_PARAMETERS) {
     if (ToInt32Constant(maybe_constant, &int32_constant)) {
       *value = int32_constant;
       return true;
     }
-  } else {
-    DCHECK_EQ(mode, SMI_PARAMETERS);
-    Smi smi_constant;
-    if (ToSmiConstant(maybe_constant, &smi_constant)) {
-      *value = Smi::ToInt(smi_constant);
-      return true;
-    }
-  }
   return false;
 }
 
@@ -3883,9 +3883,6 @@ TNode<FixedArray> CodeStubAssembler::ExtractToFixedArray(
     }
   }
 
-  const ParameterMode parameter_mode =
-      std::is_same<TIndex, Smi>::value ? SMI_PARAMETERS : INTPTR_PARAMETERS;
-
   BIND(&new_space_check);
   {
     bool handle_old_space = !FLAG_young_generation_large_objects;
@@ -3897,8 +3894,7 @@ TNode<FixedArray> CodeStubAssembler::ExtractToFixedArray(
       } else {
         int constant_count;
         handle_old_space =
-            !TryGetIntPtrOrSmiConstantValue(count, &constant_count,
-                                            parameter_mode) ||
+            !TryGetIntPtrOrSmiConstantValue(count, &constant_count) ||
             (constant_count >
              FixedArray::GetMaxLengthForNewSpaceAllocation(PACKED_ELEMENTS));
       }

src/codegen/code-stub-assembler.h

@@ -548,8 +548,9 @@ class V8_EXPORT_PRIVATE CodeStubAssembler
   template <typename TIndex>
   TNode<TIndex> IntPtrOrSmiConstant(int value);
 
-  bool TryGetIntPtrOrSmiConstantValue(Node* maybe_constant, int* value,
-                                      ParameterMode mode);
+  bool TryGetIntPtrOrSmiConstantValue(TNode<Smi> maybe_constant, int* value);
+  bool TryGetIntPtrOrSmiConstantValue(TNode<IntPtrT> maybe_constant,
+                                      int* value);
 
   // Round the 32bits payload of the provided word up to the next power of two.
   TNode<IntPtrT> IntPtrRoundUpToPowerOfTwo32(TNode<IntPtrT> value);