Cache LLVM configuration read from files in top_dir
See Note [LLVM configuration] in GHC.CmmToLlvm.Config
Currently implemented with unsafe lazy IO. But it could be implemented with an IORef as the exposed interface is in IO.
:: a typeCtrl KGHC 9.10.3 · lts/ghc-9.10.x · c74966e · 2026-09-27
Moduleghc-9.10.3GHC2021
LLVM config cache
Cache LLVM configuration read from files in top_dir
See Note [LLVM configuration] in GHC.CmmToLlvm.Config
Currently implemented with unsafe lazy IO. But it could be implemented with an IORef as the exposed interface is in IO.