Cheng Shao <cheng.s...@tweag.io> writes: > Hi all, > > Following a short chat in #ghc last week, I did a first attempt of > reusing existing Iface logic to implement serialization for > codegen-related Core. The implementation is included in the attached > patch (~100 loc). As a quick and dirty validation of whether it works, > I also modified the codegen pipeline logic to do a roundtrip: after > CorePrep, the Core bits are converted to Iface, then we immediately > convert it back and use it for later compiling. > > With the patch applied, stage-1 GHC would produce a "missing hi file" > error like: > > : Bad interface file: _build/stage1/libraries/ghc-prim/build/GHC/Types.hi > _build/stage1/libraries/ghc-prim/build/GHC/Types.hi: > openBinaryFile: does not exist (No such file or directory) > Hi Cheng,
Which module is being compiled when this error is produced? Could you provide -ddump-if-trace output for the failing compilation? > The error surprises me, since by the time we perform the Core-to-Core > roundtrip, the .hi file should already have been written to disk. Is > there anything obviously wrong with the implementation? I'd appreciate > any pointers or further questions, thanks a lot! > Note that interface files are written after the Core pipeline is run. Cheers, - Ben
signature.asc
Description: PGP signature
_______________________________________________ ghc-devs mailing list ghc-devs@haskell.org http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
