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Unified Diff: src/code-stubs-hydrogen.cc

Issue 176793003: Reland and fix "Allow ICs to be generated for own global proxy." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Fix and regression test Created 6 years, 10 months ago
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Index: src/code-stubs-hydrogen.cc
diff --git a/src/code-stubs-hydrogen.cc b/src/code-stubs-hydrogen.cc
index e1d11fb2147ec882e1466155f7b979f59edc42dd..b7247eb6bf0bf4e78d0c90f3dc81c4365e819478 100644
--- a/src/code-stubs-hydrogen.cc
+++ b/src/code-stubs-hydrogen.cc
@@ -1051,13 +1051,16 @@ HValue* CodeStubGraphBuilder<StoreGlobalStub>::BuildCodeInitializedStub() {
Handle<PropertyCell> placeholder_cell =
isolate()->factory()->NewPropertyCell(placeholer_value);
- HParameter* receiver = GetParameter(0);
HParameter* value = GetParameter(2);
- // Check that the map of the global has not changed: use a placeholder map
- // that will be replaced later with the global object's map.
- Handle<Map> placeholder_map = isolate()->factory()->meta_map();
- Add<HCheckMaps>(receiver, placeholder_map, top_info());
+ if (stub->check_global()) {
+ // Check that the map of the global has not changed: use a placeholder map
+ // that will be replaced later with the global object's map.
+ Handle<Map> placeholder_map = isolate()->factory()->meta_map();
+ HValue* global = Add<HConstant>(
+ StoreGlobalStub::global_placeholder(isolate()));
+ Add<HCheckMaps>(global, placeholder_map, top_info());
+ }
HValue* cell = Add<HConstant>(placeholder_cell);
HObjectAccess access(HObjectAccess::ForCellPayload(isolate()));
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