Convert constant numbers at compile time.
TEST=mjsunit/number-tostring R=mvstanton@chromium.org Review URL: https://codereview.chromium.org/77553005 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17917 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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@ -1555,6 +1555,13 @@ HValue* HGraphBuilder::BuildNumberToString(HValue* object,
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Handle<Type> type) {
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NoObservableSideEffectsScope scope(this);
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// Convert constant numbers at compile time.
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if (object->IsConstant() && HConstant::cast(object)->HasNumberValue()) {
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Handle<Object> number = HConstant::cast(object)->handle(isolate());
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Handle<String> result = isolate()->factory()->NumberToString(number);
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return Add<HConstant>(result);
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}
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// Create a joinable continuation.
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HIfContinuation found(graph()->CreateBasicBlock(),
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graph()->CreateBasicBlock());
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