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Unified Diff: src/compiler/bytecode-graph-builder.cc

Issue 1634153002: [Interpreter] Adds support for const/let variables to interpreter. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Rebased the patch. Created 4 years, 10 months ago
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Index: src/compiler/bytecode-graph-builder.cc
diff --git a/src/compiler/bytecode-graph-builder.cc b/src/compiler/bytecode-graph-builder.cc
index 0ea14b21820489a10fd0b1a5ddf55f6f6d88cc69..6ed9b15b8ea9856efcb3aeac390d768a251255de 100644
--- a/src/compiler/bytecode-graph-builder.cc
+++ b/src/compiler/bytecode-graph-builder.cc
@@ -1510,6 +1510,20 @@ void BytecodeGraphBuilder::VisitJumpIfUndefinedConstantWide() {
BuildJumpIfEqual(jsgraph()->UndefinedConstant());
}
+void BytecodeGraphBuilder::VisitJumpIfHole() {
+ BuildJumpIfEqual(jsgraph()->TheHoleConstant());
+}
+
+void BytecodeGraphBuilder::VisitJumpIfNotHole() {
+ Node* accumulator = environment()->LookupAccumulator();
+ Node* condition = NewNode(javascript()->StrictEqual(), accumulator,
+ jsgraph()->TheHoleConstant());
+ Node* node =
+ NewNode(common()->Select(MachineRepresentation::kTagged), condition,
+ jsgraph()->FalseConstant(), jsgraph()->TrueConstant());
+ BuildConditionalJump(node);
+}
+
void BytecodeGraphBuilder::VisitStackCheck() {
FrameStateBeforeAndAfter states(this);
Node* node = NewNode(javascript()->StackCheck());
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