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Unified Diff: src/hydrogen-instructions.cc

Issue 6624061: Improve dead phi elimination.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 9 months ago
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Index: src/hydrogen-instructions.cc
===================================================================
--- src/hydrogen-instructions.cc (revision 7081)
+++ src/hydrogen-instructions.cc (working copy)
@@ -933,6 +933,14 @@
}
+bool HPhi::HasRealUses() {
+ for (int i = 0; i < uses()->length(); i++) {
+ if (!uses()->at(i)->IsPhi()) return true;
+ }
+ return false;
+}
+
+
HValue* HPhi::GetRedundantReplacement() {
HValue* candidate = NULL;
int count = OperandCount();
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