Reviewers: Benedikt Meurer,
Description:
Use constant 0 instead of constant null when clearing map words during
allocation folding.
BUG=
Please review this at https://codereview.chromium.org/112673002/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files (+1, -1 lines):
M src/hydrogen-instructions.cc
Index: src/hydrogen-instructions.cc
diff --git a/src/hydrogen-instructions.cc b/src/hydrogen-instructions.cc
index
e7ad219964b3946b35e81dbd76011d7e8ff2133f..623f232424d500eed791042d56ca96de442e4978
100644
--- a/src/hydrogen-instructions.cc
+++ b/src/hydrogen-instructions.cc
@@ -3633,7 +3633,7 @@ void HAllocate::ClearNextMapWord(int offset) {
HObjectAccess access = HObjectAccess::ForJSObjectOffset(offset);
HStoreNamedField* clear_next_map =
HStoreNamedField::New(zone, context(), this, access,
- block()->graph()->GetConstantNull());
+ block()->graph()->GetConstant0());
clear_next_map->ClearAllSideEffects();
clear_next_map->InsertAfter(this);
}
--
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