Reviewers: fschneider,
Description:
Don't take UnkownOSRValues into account when infering Phi's representation.
[email protected]
Please review this at https://chromiumcodereview.appspot.com/9664070/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files:
M src/hydrogen-instructions.h
Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index
53f0de1d9756a545ca24dc82732ed4f4e455014d..9903ff3fa3d85e4f522a72e53ebe61ca22e09f31
100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -2266,6 +2266,7 @@ class HPhi: public HValue {
bool int32_occurred = false;
for (int i = 0; i < OperandCount(); ++i) {
HValue* value = OperandAt(i);
+ if (value->IsUnknownOSRValue()) continue;
if (value->representation().IsDouble()) double_occurred = true;
if (value->representation().IsInteger32()) int32_occurred = true;
if (value->representation().IsTagged()) return
Representation::Tagged();
--
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