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Update and add new apis on ForwardingInstruction

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This commit is contained in:
Meghana Gupta
2023-06-12 23:00:43 -07:00
parent 43b20ca3d8
commit 6df7ebbb4e
8 changed files with 107 additions and 62 deletions
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19
lib/SIL/Utils/MemAccessUtils.cpp
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@@ -899,18 +899,15 @@ SILValue swift::findOwnershipReferenceAggregate(SILValue ref) {
if (!root)
return root;
if (isa<FirstArgOwnershipForwardingSingleValueInst>(root) ||
isa<OwnershipForwardingConversionInst>(root) ||
isa<OwnershipForwardingSelectEnumInstBase>(root) ||
isa<OwnershipForwardingMultipleValueInstruction>(root)) {
SILInstruction *inst = root->getDefiningInstruction();
if (auto *inst = root->getDefiningInstruction()) {
if (ForwardingInstruction::canForwardFirstOperandOnly(inst)) {
// The `enum` instruction can have no operand.
if (inst->getNumOperands() == 0)
return root;
// The `enum` instruction can have no operand.
if (inst->getNumOperands() == 0)
return root;
root = inst->getOperand(0);
continue;
root = inst->getOperand(0);
continue;
}
}
if (auto *termResult = SILArgument::isTerminatorResult(root)) {
if (auto *oper = termResult->forwardedTerminatorResultOperand()) {