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[Support] Consolidate runOnNewStack (NFC) #160816

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Merged
merged 1 commit into from
Sep 26, 2025
+8 −10
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[Support] Consolidate runOnNewStack (NFC) #160816

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18 changes: 8 additions & 10 deletions llvm/include/llvm/Support/ProgramStack.h
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Original file line number Diff line number Diff line change
Expand Up @@ -46,17 +46,15 @@ LLVM_ABI unsigned getDefaultStackSize();
LLVM_ABI void runOnNewStack(unsigned StackSize, function_ref<void()> Fn);

template <typename R, typename... Ts>
std::enable_if_t<!std::is_same_v<R, void>, R>
runOnNewStack(unsigned StackSize, function_ref<R(Ts...)> Fn, Ts &&...Args) {
std::optional<R> Ret;
runOnNewStack(StackSize, [&]() { Ret = Fn(std::forward<Ts>(Args)...); });
return std::move(*Ret);
}

template <typename... Ts>
void runOnNewStack(unsigned StackSize, function_ref<void(Ts...)> Fn,
auto runOnNewStack(unsigned StackSize, function_ref<R(Ts...)> Fn,
Ts &&...Args) {
runOnNewStack(StackSize, [&]() { Fn(std::forward<Ts>(Args)...); });
if constexpr (std::is_same_v<R, void>) {
runOnNewStack(StackSize, [&]() { Fn(std::forward<Ts>(Args)...); });
} else {
std::optional<R> Ret;
runOnNewStack(StackSize, [&]() { Ret = Fn(std::forward<Ts>(Args)...); });
return std::move(*Ret);
}
}

} // namespace llvm
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