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src/hotspot/share/opto/node.cpp
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@@ -1128,11 +1128,11 @@
Node* n = unique_out();
int op = Opcode();
if (this->is_Store()) {
// Condition for back-to-back stores folding.
return n->Opcode() == op && n->in(MemNode::Memory) == this;
- } else if (this->is_Load() || this->is_DecodeN()) {
+ } else if (this->is_Load() || this->is_DecodeN() || this->is_Phi()) {
// Condition for removing an unused LoadNode or DecodeNNode from the MemBarAcquire precedence input
return n->Opcode() == Op_MemBarAcquire;
} else if (op == Op_AddL) {
// Condition for convL2I(addL(x,y)) ==> addI(convL2I(x),convL2I(y))
return n->Opcode() == Op_ConvL2I && n->in(1) == this;
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