--- a/hotspot/src/share/vm/opto/macro.cpp Wed Feb 18 13:53:42 2009 -0800
+++ b/hotspot/src/share/vm/opto/macro.cpp Thu Feb 19 17:38:53 2009 -0800
@@ -250,6 +250,15 @@
assert(adr_idx == Compile::AliasIdxRaw, "address must match or be raw");
}
mem = mem->in(MemNode::Memory);
+ } else if (mem->Opcode() == Op_SCMemProj) {
+ assert(mem->in(0)->is_LoadStore(), "sanity");
+ const TypePtr* atype = mem->in(0)->in(MemNode::Address)->bottom_type()->is_ptr();
+ int adr_idx = Compile::current()->get_alias_index(atype);
+ if (adr_idx == alias_idx) {
+ assert(false, "Object is not scalar replaceable if a LoadStore node access its field");
+ return NULL;
+ }
+ mem = mem->in(0)->in(MemNode::Memory);
} else {
return mem;
}
@@ -329,8 +338,15 @@
return NULL;
}
values.at_put(j, val);
+ } else if (val->Opcode() == Op_SCMemProj) {
+ assert(val->in(0)->is_LoadStore(), "sanity");
+ assert(false, "Object is not scalar replaceable if a LoadStore node access its field");
+ return NULL;
} else {
+#ifdef ASSERT
+ val->dump();
assert(false, "unknown node on this path");
+#endif
return NULL; // unknown node on this path
}
}