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Fix StackNesting to handle move_value.

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This commit is contained in:
Andrew Trick
2024-07-08 13:13:13 -07:00
parent 57374e47ce
commit cbfe326d9b
1 changed files with 5 additions and 1 deletions
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6
include/swift/SILOptimizer/Utils/StackNesting.h
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@@ -160,7 +160,11 @@ private:
/// Returns the stack allocation instruction for a stack deallocation
/// instruction.
SILInstruction *getAllocForDealloc(SILInstruction *Dealloc) const {
return Dealloc->getOperand(0)->getDefiningInstruction();
SILValue op = Dealloc->getOperand(0);
while (auto *mvi = dyn_cast<MoveValueInst>(op)) {
op = mvi->getOperand();
}
return op->getDefiningInstruction();
}
/// Insert deallocations at block boundaries.