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module GHC.Driver.Config.Cmm
( initCmmConfig
) where
import GHC.Cmm.Config
import GHC.Driver.Session
import GHC.Driver.Backend
import GHC.Platform
import GHC.Prelude
initCmmConfig :: DynFlags -> CmmConfig
initCmmConfig dflags = CmmConfig
{ cmmProfile = targetProfile dflags
, cmmOptControlFlow = gopt Opt_CmmControlFlow dflags
, cmmDoLinting = gopt Opt_DoCmmLinting dflags
, cmmOptElimCommonBlks = gopt Opt_CmmElimCommonBlocks dflags
, cmmOptSink = gopt Opt_CmmSink dflags
, cmmGenStackUnwindInstr = debugLevel dflags > 0
, cmmExternalDynamicRefs = gopt Opt_ExternalDynamicRefs dflags
, cmmDoCmmSwitchPlans = not (backendHasNativeSwitch (backend dflags))
|| platformArch platform == ArchWasm32
, cmmSplitProcPoints = not (backendSupportsUnsplitProcPoints (backend dflags))
|| not (platformTablesNextToCode platform)
|| usingInconsistentPicReg
}
where platform = targetPlatform dflags
usingInconsistentPicReg =
case (platformArch platform, platformOS platform, positionIndependent dflags)
of (ArchX86, OSDarwin, pic) -> pic
_ -> False
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