[Git][ghc/ghc][master] 6 commits: Remove unused "ncg" flag

[Marge Bot]

 Marge Bot pushed to branch master at Glasgow Haskell Compiler / GHC


Commits:
0f17b930 by Sylvain Henry at 2020-07-22T20:19:59-04:00
Remove unused "ncg" flag

This flag has been removed in 066b369de2c6f7da03c88206288dca29ab061b31
in 2011.

- - - - -
bab4ec8f by Sylvain Henry at 2020-07-22T20:19:59-04:00
Don't panic if the NCG isn't built (it is always built)

- - - - -
8ea33edb by Sylvain Henry at 2020-07-22T20:19:59-04:00
Remove unused sGhcWithNativeCodeGen

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e079bb72 by Sylvain Henry at 2020-07-22T20:19:59-04:00
Correctly test active backend

Previously we used a platform settings to detect if the native code
generator was used. This was wrong. We need to use the
`DynFlags.hscTarget` field instead.

- - - - -
735f9d6b by Sylvain Henry at 2020-07-22T20:19:59-04:00
Replace ghcWithNativeCodeGen with a proper Backend datatype

* Represent backends with a `Backend` datatype in GHC.Driver.Backend

* Don't detect the default backend to use for the target platform at
  compile time in Hadrian/make but at runtime. It makes "Settings"
  simpler and it is a step toward making GHC multi-target.

* The latter change also fixes hadrian which has not been updated to
  take into account that the NCG now supports AIX and PPC64 (cf
  df26b95559fd467abc0a3a4151127c95cb5011b9 and
  d3c1dda60d0ec07fc7f593bfd83ec9457dfa7984)

* Also we don't treat iOS specifically anymore (cf
  cb4878ffd18a3c70f98bdbb413cd3c4d1f054e1f)

- - - - -
f7cc4313 by Sylvain Henry at 2020-07-22T20:19:59-04:00
Replace HscTarget with Backend

They both have the same role and Backend name is more explicit.

Metric Decrease:
    T3064

Update Haddock submodule

- - - - -


30 changed files:

- compiler/GHC.hs
- compiler/GHC/Cmm/CLabel.hs
- compiler/GHC/Cmm/Pipeline.hs
- compiler/GHC/Cmm/Switch.hs
- compiler/GHC/Cmm/Switch/Implement.hs
- + compiler/GHC/Driver/Backend.hs
- compiler/GHC/Driver/Backpack.hs
- compiler/GHC/Driver/CodeOutput.hs
- compiler/GHC/Driver/Main.hs
- compiler/GHC/Driver/Make.hs
- compiler/GHC/Driver/Pipeline.hs
- compiler/GHC/Driver/Session.hs
- compiler/GHC/Driver/Types.hs
- compiler/GHC/HsToCore.hs
- compiler/GHC/HsToCore/Coverage.hs
- compiler/GHC/Iface/Load.hs
- compiler/GHC/Iface/Make.hs
- compiler/GHC/Iface/Recomp.hs
- compiler/GHC/Iface/Tidy.hs
- compiler/GHC/Runtime/Eval.hs
- compiler/GHC/Runtime/Linker/Types.hs
- compiler/GHC/Settings.hs
- compiler/GHC/Settings/IO.hs
- compiler/GHC/StgToCmm.hs
- compiler/GHC/StgToCmm/Prim.hs
- compiler/GHC/Tc/Gen/Foreign.hs
- compiler/GHC/Tc/Gen/Sig.hs
- compiler/ghc.cabal.in
- compiler/ghc.mk
- distrib/cross-port


The diff was not included because it is too large.


View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/9f3ff8fd24b94c9d4a221e6aba3e21de42b0f02c...f7cc431341e5b5b31758eecc8504cae8b2390c10

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/compare/9f3ff8fd24b94c9d4a221e6aba3e21de42b0f02c...f7cc431341e5b5b31758eecc8504cae8b2390c10
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