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<h3>
Sebastian Graf pushed to branch wip/nested-cpr-2019
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b0fbfc7582fb81314dc28a056536737fb5eeaa6e">b0fbfc75</a></strong>
<div>
<span>by John Ericson</span>
<i>at 2020-04-24T12:07:14-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Switch order on `GhcMake.IsBoot`
In !1798 we were requested to replace many `Bool`s with this data type.
But those bools had `False` meaning `NotBoot`, so the `Ord` instance
would be flipped if we use this data-type as-is.
Since the planned formally-`Bool` occurrences vastly outnumber the
current occurrences, we figured it would be better to conform the `Ord`
instance to how the `Bool` is used now, fixing any issues, rather than
fix them currently with the bigger refactor later in !1798. That way,
!1798 can be a "pure" refactor with no behavioral changes.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/af332442123878c1b61d236dce46418efcbe8750">af332442</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-04-26T13:55:14-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Modules: Utils and Data (#13009)
Update Haddock submodule
Metric Increase:
haddock.compiler
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/cd4434c8e77213bf3e6f83227fd8802c9f2a6fe2">cd4434c8</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-04-26T13:55:16-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix misleading Ptr phantom type in SerializedCompact (#15653)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/22bf5c738e0339fa12940414d6448896c6733808">22bf5c73</a></strong>
<div>
<span>by Ömer Sinan Ağacan</span>
<i>at 2020-04-26T13:55:22-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Tweak includes in non-moving GC headers
We don't use hash tables in non-moving GC so remove the includes.
This breaks Compact.c as existing includes no longer include Hash.h, so
include Hash.h explicitly in Compact.c.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/99823ed24b22447b14202ca57f75550773c44dbe">99823ed2</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-04-27T20:24:46-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">TH: fix Show/Eq/Ord instances for Bytes (#16457)
We shouldn't compare pointer values but the actual bytes.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c62271a21b1ba1d207aaebf370c87dd884fa6ae1">c62271a2</a></strong>
<div>
<span>by Alp Mestanogullari</span>
<i>at 2020-04-27T20:25:33-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">hadrian: always capture both stdout and stderr when running a builder fails
The idea being that when a builder('s command) fails, we quite likely want to
have all the information available to figure out why. Depending on the builder
_and_ the particular problem, the useful bits of information can be printed
on stdout or stderr.
We accomplish this by defining a simple wrapper for Shake's `cmd` function,
that just _always_ captures both streams in case the command returns a non-zero
exit code, and by using this wrapper everywhere in `hadrian/src/Builder.hs`.
Fixes #18089.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4b9764db7c190de377c06dfc71bfe6e4b37c7eb0">4b9764db</a></strong>
<div>
<span>by Ryan Scott</span>
<i>at 2020-04-28T15:40:04-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Define a Quote IO instance
Fixes #18103.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/518a63d4d7e31e49a81ad66d5e5ccb1f790f6de9">518a63d4</a></strong>
<div>
<span>by Ryan Scott</span>
<i>at 2020-04-28T15:40:42-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Make boxed 1-tuples have known keys
Unlike other tuples, which use special syntax and are "known" by way
of a special `isBuiltInOcc_maybe` code path, boxed 1-tuples do not
use special syntax. Therefore, in order to make sure that the
internals of GHC are aware of the `data Unit a = Unit a` definition
in `GHC.Tuple`, we give `Unit` known keys. For the full details, see
`Note [One-tuples] (Wrinkle: Make boxed one-tuple names have known keys)`
in `GHC.Builtin.Types`.
Fixes #18097.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2cfc4ab9710c873a55e9a44aac9dacb06ecce36f">2cfc4ab9</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-04-30T01:56:56-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Document backpack fields in DynFlags
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10a2ba90aa6a788677104cc43318c66f46e2e2b0">10a2ba90</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-04-30T01:56:56-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Refactor UnitInfo
* Rename InstalledPackageInfo into GenericUnitInfo
The name InstalledPackageInfo is only kept for alleged backward
compatibility reason in Cabal. ghc-boot has its own stripped down copy
of this datatype but it doesn't need to keep the name. Internally we
already use type aliases (UnitInfo in GHC, PackageCacheFormat in
ghc-pkg).
* Rename UnitInfo fields: add "unit" prefix and fix misleading names
* Add comments on every UnitInfo field
* Rename SourcePackageId into PackageId
"Package" already indicates that it's a "source package". Installed
package components are called units.
Update Haddock submodule
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/69562e34fb5d9571e9efc1cb90c879e50129a510">69562e34</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-04-30T01:56:56-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Remove unused `emptyGenericUnitInfo`
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9e2c8e0e37a2709d5790d6c9a877a1463d6e88b5">9e2c8e0e</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-04-30T01:56:56-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Refactor UnitInfo load/store from databases
Converting between UnitInfo stored in package databases and UnitInfo as
they are used in ghc-pkg and ghc was done in a very convoluted way (via
BinaryStringRep and DbUnitModuleRep type classes using fun deps, etc.).
It was difficult to understand and even more to modify (I wanted to
try to use a GADT for UnitId but fun deps got in the way).
The new code uses much more straightforward functions to convert between
the different representations. Much simpler.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ea717aa4248b2122e1f7550f30239b50ab560e4f">ea717aa4</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-04-30T01:56:56-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Factorize mungePackagePaths code
This patch factorizes the duplicated code used in ghc-pkg and in GHC to
munge package paths/urls.
It also fixes haddock-html munging in GHC (allowed to be either a file
or a url) to mimic ghc-pkg behavior.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/10d15f1ec4bab4dd6152d87fc66e61658a705eb3">10d15f1e</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-04-30T01:56:56-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Refactoring unit management code
Over the years the unit management code has been modified a lot to keep
up with changes in Cabal (e.g. support for several library components in
the same package), to integrate BackPack, etc. I found it very hard to
understand as the terminology wasn't consistent, was referring to past
concepts, etc.
The terminology is now explained as clearly as I could in the Note
"About Units" and the code is refactored to reflect it.
-------------------
Many names were misleading: UnitId is not an Id but could be a virtual
unit (an indefinite one instantiated on the fly), IndefUnitId
constructor may contain a definite instantiated unit, etc.
* Rename IndefUnitId into InstantiatedUnit
* Rename IndefModule into InstantiatedModule
* Rename UnitId type into Unit
* Rename IndefiniteUnitId constructor into VirtUnit
* Rename DefiniteUnitId constructor into RealUnit
* Rename packageConfigId into mkUnit
* Rename getPackageDetails into unsafeGetUnitInfo
* Rename InstalledUnitId into UnitId
Remove references to misleading ComponentId: a ComponentId is just an
indefinite unit-id to be instantiated.
* Rename ComponentId into IndefUnitId
* Rename ComponentDetails into UnitPprInfo
* Fix display of UnitPprInfo with empty version: this is now used for
units dynamically generated by BackPack
Generalize several types (Module, Unit, etc.) so that they can be used
with different unit identifier types: UnitKey, UnitId, Unit, etc.
* GenModule: Module, InstantiatedModule and InstalledModule are now
instances of this type
* Generalize DefUnitId, IndefUnitId, Unit, InstantiatedUnit,
PackageDatabase
Replace BackPack fake "hole" UnitId by a proper HoleUnit constructor.
Add basic support for UnitKey. They should be used more in the future to
avoid mixing them up with UnitId as we do now.
Add many comments.
Update Haddock submodule
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8bfb0219587b969d5c8f723c46d433e9493958b4">8bfb0219</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-04-30T01:56:56-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Unit: split and rename modules
Introduce GHC.Unit.* hierarchy for everything concerning units, packages
and modules.
Update Haddock submodule
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/71484b09fa3c676e99785b3d68f69d4cfb14266e">71484b09</a></strong>
<div>
<span>by Alexis King</span>
<i>at 2020-04-30T01:57:35-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Allow block arguments in arrow control operators
Arrow control operators have their own entries in the grammar, so they
did not cooperate with BlockArguments. This was just a minor oversight,
so this patch adjusts the grammar to add the desired behavior.
fixes #18050
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a48cd2a045695c5f34ed7b00184a8d91c4fcac0e">a48cd2a0</a></strong>
<div>
<span>by Alexis King</span>
<i>at 2020-04-30T01:57:35-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Allow LambdaCase to be used as a command in proc notation
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f4d3773c7f4209cd3a0495ab9a29b978da48e2ff">f4d3773c</a></strong>
<div>
<span>by Alexis King</span>
<i>at 2020-04-30T01:57:35-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Document BlockArguments/LambdaCase support in arrow notation
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5bdfdd139e5aff57631e9f1c6654dc7b8590c63f">5bdfdd13</a></strong>
<div>
<span>by Simon Peyton Jones</span>
<i>at 2020-04-30T01:58:15-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add tests for #17873
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/19b701c216246596710f0eba112ed5ee7b6bf870">19b701c2</a></strong>
<div>
<span>by Simon Peyton Jones</span>
<i>at 2020-04-30T07:30:13-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Mark rule args as non-tail-called
This was just an omission...b I'd failed to call markAllNonTailCall on
rule args. I think this bug has been here a long time, but it's quite
hard to trigger.
Fixes #18098
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/014ef4a3d9ee30b8add9118950f1f5007143bd1c">014ef4a3</a></strong>
<div>
<span>by Matthew Pickering</span>
<i>at 2020-04-30T07:30:50-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: Improve tool-args command to support more components
There is a new command to hadrian, tool:path/to/file.hs, which returns
the options needed to compile that file in GHCi.
This is now used in the ghci script with argument `ghc/Main.hs` but its
main purpose is to support the new multi-component branch of ghcide.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2aa676114bca40d6124ba90d13242c7c102369e0">2aa67611</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-04-30T21:34:44-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">nonmoving: Clear bitmap after initializing block size
Previously nonmovingInitSegment would clear the bitmap before
initializing the segment's block size. This is broken since
nonmovingClearBitmap looks at the segment's block size to determine how
much bitmap to clear.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/54dad3cf1e04f16ea00fb6a41b378e948c8ebf0f">54dad3cf</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-04-30T21:34:44-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">nonmoving: Explicitly memoize block count
A profile cast doubt on whether the compiler hoisted the bound out the
loop as I would have expected here. It turns out it did but nevertheless
it seems clearer to just do this manually.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/99ff8145044288a8a58c8028516903937ba3935c">99ff8145</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-04-30T21:34:44-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">nonmoving: Eagerly flush all capabilities' update remembered sets
(cherry picked from commit 2fa79119570b358a4db61446396889b8260d7957)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/05b0a9fd136869f71245e12fdae64d42dc2ee1df">05b0a9fd</a></strong>
<div>
<span>by Ömer Sinan Ağacan</span>
<i>at 2020-04-30T21:35:24-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Remove OneShotInfo field of LFReEntrant, document OneShotInfo
The field is only used in withNewTickyCounterFun and it's easier to
directly pass a parameter for one-shot info to withNewTickyCounterFun
instead of passing it via LFReEntrant. This also makes !2842 simpler.
Other changes:
- New Note (by SPJ) [OneShotInfo overview] added.
- Arity argument of thunkCode removed as it's always 0.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a43620c621563deed76ba6b417e3a7a707c15d23">a43620c6</a></strong>
<div>
<span>by Ömer Sinan Ağacan</span>
<i>at 2020-04-30T21:35:24-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">GHC.StgToCmm.Ticky: remove a few unused stuff
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/780de9e11014a88a4f676eb296c30fec2b07b5c2">780de9e1</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-05-01T10:37:39-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Use platform in Iface Binary
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f8386c7b6a9d26bc5fd2c1d74d944c8df6337690">f8386c7b</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-05-01T10:37:39-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Refactor PprDebug handling
If `-dppr-debug` is set, then PprUser and PprDump styles are silently
replaced with PprDebug style. This was done in `mkUserStyle` and
`mkDumpStyle` smart constructors. As a consequence they needed a
DynFlags parameter.
Now we keep the original PprUser and PprDump styles until they are used
to create an `SDocContext`. I.e. the substitution is only performed in
`initSDocContext`.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b3df9e780fb2f5658412c644849cd0f1e6f50331">b3df9e78</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-05-01T10:37:39-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Remove PprStyle param of logging actions
Use `withPprStyle` instead to apply a specific style to a SDoc.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/de9fc995c2170bc34600ee3fc80393c67cfecad1">de9fc995</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-05-01T10:37:39-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fully remove PprDebug
PprDebug was a pain to deal with consistently as it is implied by
`-dppr-debug` but it isn't really a PprStyle. We remove it completely
and query the appropriate SDoc flag instead (`sdocPprDebug`) via
helpers (`getPprDebug` and its friends).
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8b51fcbd67ca17a6dcc2f9e5a29176f836bf11d2">8b51fcbd</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-01T10:38:16-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">PmCheck: Only call checkSingle if we would report warnings
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fd7ea0fee92a60f9658254cc4fe3abdb4ff299b1">fd7ea0fe</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-01T10:38:16-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">PmCheck: Pick up `EvVar`s bound in `HsWrapper`s for long-distance info
`HsWrapper`s introduce evidence bindings through `WpEvLam` which the
pattern-match coverage checker should be made aware of.
Failing to do so caused #18049, where the resulting impreciseness of
imcompleteness warnings seemingly contradicted with
`-Winaccessible-code`.
The solution is simple: Collect all the evidence binders of an
`HsWrapper` and add it to the ambient `Deltas` before desugaring
the wrapped expression.
But that means we pick up many more evidence bindings, even when they
wrap around code without a single pattern match to check! That regressed
`T3064` by over 300%, so now we are adding long-distance info lazily
through judicious use of `unsafeInterleaveIO`.
Fixes #18049.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7bfe9ac514e18c0b0e24ff55230fe98ec9db894c">7bfe9ac5</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-05-03T04:41:33-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">rts: Enable tracing of nonmoving heap census with -ln
Previously this was not easily available to the user. Fix this.
Non-moving collection lifecycle events are now reported with -lg.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c560dd07f506810eaabae2f582491138aa224819">c560dd07</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-05-03T04:41:33-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">users guide: Move eventlog documentation users guide
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/02543d5ef9bd7a910fc9fece895780583ab9635a">02543d5e</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-05-03T04:41:33-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">users guide: Add documentation for non-moving GC events
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b465dd4500beffe919e8b8dcd075008399fbf446">b465dd45</a></strong>
<div>
<span>by Alexis King</span>
<i>at 2020-05-03T04:42:12-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Flatten nested casts in the simple optimizer
Normally, we aren’t supposed to generated any nested casts, since mkCast
takes care to flatten them, but the simple optimizer didn’t use mkCast,
so they could show up after inlining. This isn’t really a problem, since
the simplifier will clean them up immediately anyway, but it can clutter
the -ddump-ds output, and it’s an extremely easy fix.
closes #18112
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5189d36b204c5fb2f3f7aa7088796985ea80e5da">5189d36b</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-03T22:24:23+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Nested CPR
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/bd709eed774454bd8015bc6cdde376b38c4dfaf1">bd709eed</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-03T22:24:25+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Move tests from stranal to cpranal
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8b10d82453c52fcc5aa12f1fdbd4aec430410253">8b10d824</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-03T22:24:25+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Accept FacState
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ab1d966156a2ffbd5ecf6fe11a385908ab7fb051">ab1d9661</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-03T22:26:22+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Factor Cpr and Termination into a joint lattice
As a result, we don't even have to export Termination from Cpr. Neat!
Also I realised there is a simpler and more sound way to generate and
unleash CPR signatures.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/32696ae389b6dea5c320b5e7cbb2d9c058b50a56">32696ae3</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-03T22:29:08+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Consider unboxing effects of WW better and get rid of hack
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/db52466ce224fd9472a341975baef8aad1f1e82e">db52466c</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-03T22:29:10+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">stuff
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/089237283f386dc26dd6051f15cd5bb340b01274">08923728</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-03T22:29:10+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Debug output
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5fa394317394f8b756aa88602cfa81175c12e0ee">5fa39431</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-03T22:29:11+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">A slew of testsuite changes
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/bab525deed9c3baec7008f8b38b0ae228407ea8d">bab525de</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-03T22:29:11+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix T1600
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/31f4f11beb35b97cac8052957b18da4ebf209ffb">31f4f11b</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-03T22:29:11+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Inline `decodeDoubleInteger` and constant-fold `decodeDouble_Int64#` instead
Currently, `decodeDoubleInteger` is known-key so that it can be
recognised in constant folding. But that is very brittle and doesn't
survive worker/wrapper, which we even do for
`NOINLINE`/`CONSTANT_FOLDED` things since #13143.
Also it is a trade-off: The implementation of `decodeDoubleInteger`
allocates an `Integer` box that never cancels aways if we don't inline
it.
Hence we recognise the `decodeDouble_Int64#` primop instead in constant
folding, so that we can inline `decodeDoubleInteger`.
You may wonder how this affects performance of code using
`integer-simple`; Apparently, according to @hsyl20 this is not a concern
since we will hopefully land !2231 soon.
Fixes #18092.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/8427dd1caa6cd6a8523866c1c648f3b0938ba94f">8427dd1c</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-03T22:29:11+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix primop termination
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/26599e89d73761cd9379aa83f142029e6fa48f88">26599e89</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-03T22:29:11+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Test for DataCon wrapper CPR
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f1cebd397903f6462c99a1d05bf6d75d3a7190c3">f1cebd39</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-03T22:29:11+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix CPR of bottoming functions/primops
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/db9873c02edd1216be002a0fd930eff40a219368">db9873c0</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-03T22:29:11+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix DataConWrapperCpr and accept other test outputs
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9e20dd859e35280d40d60a607d802103d875e934">9e20dd85</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-03T22:29:11+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Accept two more changed test outputs
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6d523cc8dfc2cc018e5fdf7bbb7568953a3d9095">6d523cc8</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-03T22:29:11+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Update CaseBinderCPR with a new function
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/910edd76d5fe68b58c74f3805112f9faef4f2788">910edd76</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-03T22:29:38+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Don't give the case binder the CPR property
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/91b545f5e2aefede98603d65b2a7056558d27880">91b545f5</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-05-04T18:24:42+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Limit CPR on DataCon app bindings
</pre>
</li>
</ul>
<h4>30 changed files:</h4>
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<a href="#d0d96a6d03668aeab20ebe05e2c4ccb798c7e64c">
compiler/GHC.hs
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<a href="#0887cf39c5cdf9cf8d6758f410d7dab3023c0d77">
compiler/GHC/Builtin/Names.hs
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compiler/GHC/Builtin/Names.hs-boot
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<a href="#06764eb0158306b83ab1998d18316392a51838c2">
compiler/GHC/Builtin/Names/TH.hs
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<a href="#a1519b7fe8a0d4b42e4aaa927fb6ab5b5da0fcdd">
compiler/GHC/Builtin/PrimOps.hs
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compiler/GHC/Builtin/PrimOps.hs-boot
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compiler/GHC/Builtin/Types.hs
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compiler/GHC/Builtin/Types/Literals.hs
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compiler/GHC/Builtin/Types/Prim.hs
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compiler/GHC/Builtin/Uniques.hs
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compiler/GHC/Builtin/Uniques.hs-boot
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compiler/GHC/Builtin/Utils.hs
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compiler/GHC/ByteCode/Asm.hs
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compiler/GHC/ByteCode/InfoTable.hs
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compiler/GHC/ByteCode/Instr.hs
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compiler/GHC/ByteCode/Linker.hs
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compiler/GHC/ByteCode/Types.hs
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compiler/GHC/Cmm.hs
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<a href="#2635960270885615c76f7437d2eb6c5bd6082895">
compiler/GHC/Cmm/BlockId.hs
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<a href="#db697f6aea9f93f1583f1d5c62d25570a1e07f73">
compiler/GHC/Cmm/CLabel.hs
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<a href="#d088ba20f051734394bf7ca283f33ed8127bc8ab">
compiler/GHC/Cmm/CallConv.hs
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compiler/GHC/Cmm/CommonBlockElim.hs
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<a href="#359dccbd5e329f4f4f3c88b6d43f0ad5dd435fe3">
compiler/GHC/Cmm/ContFlowOpt.hs
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compiler/GHC/Cmm/Dataflow.hs
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compiler/GHC/Cmm/Dataflow/Block.hs
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<a href="#04d7c9e00896d6fa6990b4873e539e9c04c268bc">
compiler/GHC/Cmm/Dataflow/Collections.hs
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compiler/GHC/Cmm/Dataflow/Graph.hs
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<a href="#4fbb1c5f251c38fc01fcde693420ee6d02df7e45">
compiler/GHC/Cmm/Dataflow/Label.hs
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<a href="#92b713d88390e6ea489e24b6cff8a3960384c0d0">
compiler/GHC/Cmm/DebugBlock.hs
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<a href="#56e23d78cfece2c83f03ed9b9a8ce9b20be26462">
compiler/GHC/Cmm/Expr.hs
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<h5>The diff was not included because it is too large.</h5>
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