AuroraMiddleware/v8
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[wasm][cleanup] Use BuildLoadUndefinedValueFromInstance more

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R=manoskouk@chromium.org

Bug: v8:11074
Change-Id: I5a0d99d22b683aee7bd63d68335ef7f775cf0816
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2579921
Reviewed-by: Manos Koukoutos <manoskouk@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#71675}
This commit is contained in:
Andreas Haas 2020-12-09 09:49:47 +01:00 committed by Commit Bot
parent 0f9bf544da
commit 098d293337
1 changed files with 1 additions and 3 deletions
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4
src/compiler/wasm-compiler.cc
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@ -6294,9 +6294,7 @@ class WasmWrapperGraphBuilder : public WasmGraphBuilder {
// Invalid object wrappers (i.e. any other JS object that doesn't have the
// magic hidden property) will return {undefined}. Map that to {null} or
// {input}, depending on the value of {failure}.
Node* undefined = LOAD_FULL_POINTER(
BuildLoadIsolateRoot(),
IsolateData::root_slot_offset(RootIndex::kUndefinedValue));
Node* undefined = BuildLoadUndefinedValueFromInstance();
Node* is_undefined = gasm_->WordEqual(obj, undefined);
Diamond check(graph(), mcgraph()->common(), is_undefined,
BranchHint::kFalse);