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Unified Diff: src/x64/lithium-codegen-x64.cc

Issue 6964012: Simple elimination of redundant array-hole checks. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 9 years, 7 months ago
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Index: src/x64/lithium-codegen-x64.cc
===================================================================
--- src/x64/lithium-codegen-x64.cc (revision 7823)
+++ src/x64/lithium-codegen-x64.cc (working copy)
@@ -2394,8 +2394,10 @@
FixedArray::kHeaderSize));
// Check for the hole value.
- __ CompareRoot(result, Heap::kTheHoleValueRootIndex);
- DeoptimizeIf(equal, instr->environment());
+ if (instr->check_hole_value()) {
+ __ CompareRoot(result, Heap::kTheHoleValueRootIndex);
+ DeoptimizeIf(equal, instr->environment());
+ }
}
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