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Unified Diff: src/code-stub-assembler.h

Issue 2304573004: Port FastCloneShallowArrayStub to Turbofan (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: comments from Ross Created 4 years, 3 months ago
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Index: src/code-stub-assembler.h
diff --git a/src/code-stub-assembler.h b/src/code-stub-assembler.h
index d34f58c4854681062a2afb882b9eaaf3590182b7..b000e8b77fc15d6cbfde93410c7cc62fcd102970 100644
--- a/src/code-stub-assembler.h
+++ b/src/code-stub-assembler.h
@@ -72,6 +72,9 @@ class CodeStubAssembler : public compiler::CodeAssembler {
compiler::Node* BooleanMapConstant();
compiler::Node* EmptyStringConstant();
+ compiler::Node* FixedArrayMapConstant();
+ compiler::Node* FixedCowArrayMapConstant();
+ compiler::Node* FixedDoubleArrayMapConstant();
compiler::Node* HeapNumberMapConstant();
compiler::Node* NoContextConstant();
compiler::Node* NanConstant();
@@ -210,6 +213,8 @@ class CodeStubAssembler : public compiler::CodeAssembler {
compiler::Node* LoadProperties(compiler::Node* object);
// Load the elements backing store of a JSObject.
compiler::Node* LoadElements(compiler::Node* object);
+ // Load the length of a JSArray instance.
+ compiler::Node* LoadJSArrayLength(compiler::Node* array);
// Load the length of a fixed array base instance.
compiler::Node* LoadFixedArrayBaseLength(compiler::Node* array);
// Load the length of a fixed array base instance.
@@ -317,7 +322,17 @@ class CodeStubAssembler : public compiler::CodeAssembler {
compiler::Node* AllocateSeqTwoByteString(int length);
compiler::Node* AllocateSeqTwoByteString(compiler::Node* context,
compiler::Node* length);
- // Allocated an JSArray
+ // Allocate a JSArray without elements and initialize the header fields.
+ compiler::Node* AllocateUninitializedJSArrayWithoutElements(
+ ElementsKind kind, compiler::Node* array_map, compiler::Node* length,
+ compiler::Node* allocation_site);
+ // Allocate and return a JSArray and if capacity is not null, its elements.
+ // Also initializes JSArray header fields.
+ std::pair<compiler::Node*, compiler::Node*> AllocateUninitializedJSArray(
+ ElementsKind kind, compiler::Node* array_map, compiler::Node* length,
+ compiler::Node* allocation_site, compiler::Node* capacity = nullptr,
+ ParameterMode capacity_mode = INTEGER_PARAMETERS);
+ // Allocate a JSArray and fill elements with zero.
compiler::Node* AllocateJSArray(ElementsKind kind, compiler::Node* array_map,
compiler::Node* capacity,
compiler::Node* length,
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