| Commit message (Collapse) | Author | Age | Files | Lines |
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This patch tracks the type of Cmm global registers. This is needed
in order to lint uses of polymorphic registers, such as SIMD vector
registers that can be used both for floating-point and integer values.
This changes allows us to refactor VanillaReg to not store VGcPtr,
as that information is instead stored in the type of the usage of the
register.
Fixes #22297
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- Remove unused uniques and hs-boot declarations
- Fix types of seq and unsafeCoerce#
- Remove FastString/String roundtrip in JS
- Use TTG to enforce totality
- Remove enumeration in Heap/Inspect; the 'otherwise' clause
serves the primitive types well.
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Change calls to renderWithContext with showSDocOneLine; it's more
efficient and explanatory.
Remove polyPatSig (unused)
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Previously, the SDocContext used for code generation contained
information whether the labels should use Asm or C style.
However, at every individual call site, this is known statically.
This removes the parameter to 'PprCode' and replaces every 'pdoc'
used to print a label in code style with 'pprCLabel' or 'pprAsmLabel'.
The OutputableP instance is now used only for dumps.
The output of T15155 changes, it now uses the Asm style
(which is faithful to what actually happens).
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StgToCmm: add Config, remove CgInfoDownwards
StgToCmm: runC api change to take StgToCmmConfig
StgToCmm: CgInfoDownad -> StgToCmmConfig
StgToCmm.Monad: update getters/setters/withers
StgToCmm: remove CallOpts in StgToCmm.Closure
StgToCmm: remove dynflag references
StgToCmm: PtrOpts removed
StgToCmm: add TMap to config, Prof - dynflags
StgToCmm: add omit yields to config
StgToCmm.ExtCode: remove redundant import
StgToCmm.Heap: remove references to dynflags
StgToCmm: codeGen api change, DynFlags -> Config
StgToCmm: remove dynflags in Env and StgToCmm
StgToCmm.DataCon: remove dynflags references
StgToCmm: remove dynflag references in DataCon
StgToCmm: add backend avx flags to config
StgToCmm.Prim: remove dynflag references
StgToCmm.Expr: remove dynflag references
StgToCmm.Bind: remove references to dynflags
StgToCmm: move DoAlignSanitisation to Cmm.Type
StgToCmm: remove PtrOpts in Cmm.Parser.y
DynFlags: update ipInitCode api
StgToCmm: Config Module is single source of truth
StgToCmm: Lazy config breaks IORef deadlock
testsuite: bump countdeps threshold
StgToCmm.Config: strictify fields except UpdFrame
Strictifying UpdFrameOffset causes the RTS build with stage1 to
deadlock. Additionally, before the deadlock performance of the RTS
is noticeably slower.
StgToCmm.Config: add field descriptions
StgToCmm: revert strictify on Module in config
testsuite: update CountDeps tests
StgToCmm: update comment, fix exports
Specifically update comment about loopification passed into dynflags
then stored into stgToCmmConfig. And remove getDynFlags from
Monad.hs exports
Types.Name: add pprFullName function
StgToCmm.Ticky: use pprFullname, fixup ExtCode imports
Cmm.Info: revert cmmGetClosureType removal
StgToCmm.Bind: use pprFullName, Config update comments
StgToCmm: update closureDescription api
StgToCmm: SAT altHeapCheck
StgToCmm: default render for Info table, ticky
Use default rendering contexts for info table and ticky ticky, which should be independent of command line input.
testsuite: bump count deps
pprFullName: flag for ticky vs normal style output
convertInfoProvMap: remove unused parameter
StgToCmm.Config: add backend flags to config
StgToCmm.Config: remove Backend from Config
StgToCmm.Prim: refactor Backend call sites
StgToCmm.Prim: remove redundant imports
StgToCmm.Config: refactor vec compatibility check
StgToCmm.Config: add allowQuotRem2 flag
StgToCmm.Ticky: print internal names with parens
StgToCmm.Bind: dispatch ppr based on externality
StgToCmm: Add pprTickyname, Fix ticky naming
Accidently removed the ctx for ticky SDoc output. The only relevant flag
is sdocPprDebug which was accidental set to False due to using
defaultSDocContext without altering the flag.
StgToCmm: remove stateful fields in config
fixup: config: remove redundant imports
StgToCmm: move Sequel type to its own module
StgToCmm: proliferate getCallMethod updated api
StgToCmm.Monad: add FCodeState to Monad Api
StgToCmm: add second reader monad to FCode
fixup: Prim.hs: missed a merge conflict
fixup: Match countDeps tests to HEAD
StgToCmm.Monad: withState -> withCgState
To disambiguate it from mtl withState. This withState shouldn't be
returning the new state as a value. However, fixing this means tackling
the knot tying in CgState and so is very difficult since it changes when
the thunk of the knot is forced which either leads to deadlock or to
compiler panic.
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In order to make the packages in this repo "reinstallable", we need to
associate source code with a specific packages. Having a top level
`/includes` dir that mixes concerns (which packages' includes?) gets in
the way of this.
To start, I have moved everything to `rts/`, which is mostly correct.
There are a few things however that really don't belong in the rts (like
the generated constants haskell type, `CodeGen.Platform.h`). Those
needed to be manually adjusted.
Things of note:
- No symlinking for sake of windows, so we hard-link at configure time.
- `CodeGen.Platform.h` no longer as `.hs` extension (in addition to
being moved to `compiler/`) so as not to confuse anyone, since it is
next to Haskell files.
- Blanket `-Iincludes` is gone in both build systems, include paths now
more strictly respect per-package dependencies.
- `deriveConstants` has been taught to not require a `--target-os` flag
when generating the platform-agnostic Haskell type. Make takes
advantage of this, but Hadrian has yet to.
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Replace uses of WARN macro with calls to:
warnPprTrace :: Bool -> SDoc -> a -> a
Remove the now unused HsVersions.h
Bump haddock submodule
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There is no reason to use CPP. __LINE__ and __FILE__ macros are now
better replaced with GHC's CallStack. As a bonus, assert error messages
now contain more information (function name, column).
Here is the mapping table (HasCallStack omitted):
* ASSERT: assert :: Bool -> a -> a
* MASSERT: massert :: Bool -> m ()
* ASSERTM: assertM :: m Bool -> m ()
* ASSERT2: assertPpr :: Bool -> SDoc -> a -> a
* MASSERT2: massertPpr :: Bool -> SDoc -> m ()
* ASSERTM2: assertPprM :: m Bool -> SDoc -> m ()
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This patch cleans up the complexity around WW's `mk_absent_let` by
broadening the scope of `LitRubbish`. Rubbish literals now store the
`PrimRep` they represent and are ultimately lowered in Cmm.
This in turn allows absent literals of `VecRep` or `VoidRep`. The latter
allows absent literals for unlifted coercions, as requested in #18983.
I took the liberty to rewrite and clean up `Note [Absent fillers]` and
`Note [Rubbish values]` to account for the new implementation and to
make them more orthogonal in their description.
I didn't add a new regression test, as `T18982` already contains the
test in the ticket and its test output changes as expected.
Fixes #18983.
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Related to a future change in Data.List,
https://downloads.haskell.org/ghc/8.10.3/docs/html/users_guide/using-warnings.html?highlight=wcompat#ghc-flag--Wcompat-unqualified-imports
Companion pull&merge requests:
- https://github.com/judah/haskeline/pull/153
- https://github.com/haskell/containers/pull/762
- https://gitlab.haskell.org/ghc/packages/hpc/-/merge_requests/9
After these the actual change in Data.List should be easy to do.
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[This is @Ericson2314 writing a commit message for @hsyl20's patch.]
(Progress towards #11953, #17377, #17375)
`Int64Rep` and `Word64Rep` are currently broken on 64-bit systems. This
is because they should use "native arg rep" but instead use "large arg
rep" as they do on 32-bit systems, which is either a non-concept or a
128-bit rep depending on one's vantage point.
Now, these reps currently aren't used during 64-bit compilation, so the
brokenness isn't observed, but I don't think that constitutes reasons
not to fix it. Firstly, the linked issues there is a clearly expressed
desire to use explicit-bitwidth constructs in more places. Secondly, per
[1], there are other bugs that *do* manifest from not threading
explicit-bitwidth information all the way through the compilation
pipeline. One can therefore view this as one piece of the larger effort
to do that, improve ergnomics, and squash remaining bugs.
Also, this is needed for !3658. I could just merge this as part of that,
but I'm keen on merging fixes "as they are ready" so the fixes that
aren't ready are isolated and easier to debug.
[1]: https://mail.haskell.org/pipermail/ghc-devs/2020-October/019332.html
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Some types need a Platform value to be pretty-printed: CLabel, Cmm
types, instructions, etc.
Before this patch they had an Outputable instance and the Platform value
was obtained via sdocWithDynFlags. It meant that the *renderer* of the
SDoc was responsible of passing the appropriate Platform value (e.g. via
the DynFlags given to showSDoc). It put the burden of passing the
Platform value on the renderer while the generator of the SDoc knows the
Platform it is generating the SDoc for and there is no point passing a
different Platform at rendering time.
With this patch, we introduce a new OutputableP class:
class OutputableP a where
pdoc :: Platform -> a -> SDoc
With this class we still have some polymorphism as we have with `ppr`
(i.e. we can use `pdoc` on a variety of types instead of having a
dedicated `pprXXX` function for each XXX type).
One step closer removing `sdocWithDynFlags` (#10143) and supporting
several platforms (#14335).
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- put panic related functions into GHC.Utils.Panic
- put trace related functions using DynFlags in GHC.Driver.Ppr
One step closer making Outputable fully independent of DynFlags.
Bump haddock submodule
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Pretty-printing CLabel relies on sdocWithDynFlags that we want to remove
(#10143, #17957). It uses it to query the backend and the platform.
This patch exposes Clabel ppr functions specialised for each backend so
that backend code can directly use them.
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Platform constant wrappers took a DynFlags parameter, hence implicitly
used the target platform constants. We removed them to allow support
for several platforms at once (#14335) and to avoid having to pass
the full DynFlags to every function (#17957).
Metric Decrease:
T4801
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SCC profiling was enabled in a convoluted way: if WayProf was enabled,
Opt_SccProfilingOn general flag was set (in
`GHC.Driver.Ways.wayGeneralFlags`), and then this flag was queried in
various places.
There is no need to go via general flags, so this patch defines a
`sccProfilingEnabled :: DynFlags -> Bool` helper function that just
checks whether WayProf is enabled.
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tablesNextToCode is a platform setting and doesn't belong into DynFlags
(#17957). Doing this is also a prerequisite to fix #14335 where we deal
with two platforms (target and host) that may have different platform
settings.
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Introduce GHC.Unit.* hierarchy for everything concerning units, packages
and modules.
Update Haddock submodule
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Update Haddock submodule
Metric Increase:
haddock.compiler
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Update Haddock submodule
Metric Increase:
haddock.compiler
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Use Platform instead of DynFlags when possible:
* `tARGET_MIN_INT` et al. replaced with `platformMinInt` et al.
* no more DynFlags in PreRules: added a new `RuleOpts` datatype
* don't use `wORD_SIZE` in the compiler
* make `wordAlignment` use `Platform`
* make `dOUBLE_SIZE` a constant
Metric Decrease:
T13035
T1969
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Metric Decrease:
ManyConstructors
T12707
T13035
T1969
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Update submodule: haddock
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submodule updates: nofib, haddock
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Update haddock submodule
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Add StgToCmm module hierarchy. Platform modules that are used in several
other places (NCG, LLVM codegen, Cmm transformations) are put into
GHC.Platform.
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