/// Helper for visitApplyAccesses that visits address-type call arguments,
/// including arguments to @noescape functions that are passed as closures to
/// the current call.
static void visitApplyAccesses(ApplySite apply,
llvm::function_ref<void(Operand *)> visitor) {
for (Operand &oper : apply.getArgumentOperands()) {
// Consider any address-type operand an access. Whether it is read or modify
// depends on the argument convention.
if (oper.get()->getType().isAddress()) {
visitor(&oper);
continue;
}
auto fnType = oper.get()->getType().getAs<SILFunctionType>();
if (!fnType || !fnType->isNoEscape())
continue;
// When @noescape function closures are passed as arguments, their
// arguments are considered accessed at the call site.
TinyPtrVector<PartialApplyInst *> partialApplies;
findClosuresForFunctionValue(oper.get(), partialApplies);
// Recursively visit @noescape function closure arguments.
for (auto *PAI : partialApplies)
visitApplyAccesses(PAI, visitor);
}
}
/// Helper for visitApplyAccesses that visits address-type call arguments,
/// including arguments to @noescape functions that are passed as closures to
/// the current call.
static void visitApplyAccesses(ApplySite apply,
llvm::function_ref<void(Operand *)> visitor) {
for (Operand &oper : apply.getArgumentOperands()) {
// Consider any address-type operand an access. Whether it is read or modify
// depends on the argument convention.
if (oper.get()->getType().isAddress()) {
visitor(&oper);
continue;
}
auto fnType = oper.get()->getType().getAs<SILFunctionType>();
if (!fnType || !fnType->isNoEscape())
continue;
// When @noescape function closures are passed as arguments, their
// arguments are considered accessed at the call site.
FindClosureResult result = findClosureForAppliedArg(oper.get());
if (!result.PAI)
continue;
// Recursively visit @noescape function closure arguments.
visitApplyAccesses(result.PAI, visitor);
}
}
