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<h3 style="margin-top: 20px; margin-bottom: 10px;">
Finley McIlwaine pushed to branch wip/t23703 at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
</h3>
<h4 style="margin-top: 10px; margin-bottom: 10px;">
Commits:
</h4>
<ul>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/01961be37a0dbc3c808b06fa8c085e2faa334efe">01961be3</a></strong>
<div>
<span> by Ben Gamari </span> <i> at 2023-08-08T02:47:14-04:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #333238; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>configure: Derive library version from ghc-prim.cabal.in
Since ghc-prim.cabal is now generated by Hadrian, we cannot depend upon
it.
Closes #23726.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3b373838e08e2e2b43fab9f0a008fb60325d31e0">3b373838</a></strong>
<div>
<span> by Ryan Scott </span> <i> at 2023-08-08T02:47:49-04:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #333238; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>tcExpr: Push expected types for untyped TH splices inwards
In !10911, I deleted a `tcExpr` case for `HsUntypedSplice` in favor of a much
simpler case that simply delegates to `tcApp`. Although this passed the test
suite at the time, this was actually an error, as the previous `tcExpr` case
was critically pushing the expected type inwards. This actually matters for
programs like the one in #23796, which GHC would not accept with type inference
alone—we need full-blown type _checking_ to accept these.
I have added back the previous `tcExpr` case for `HsUntypedSplice` and now
explain why we have two different `HsUntypedSplice` cases (one in `tcExpr` and
another in `splitHsApps`) in `Note [Looking through Template Haskell splices in
splitHsApps]` in `GHC.Tc.Gen.Head`.
Fixes #23796.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7b864da602ce83d3331e1d5a227704518f2d4487">7b864da6</a></strong>
<div>
<span> by Finley McIlwaine </span> <i> at 2023-08-08T09:23:24-06:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #333238; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>Add -dipe-stats flag
This is useful for seeing which info tables have information.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5f9f43067a04cd643c4fe5eb2d190b545bbae3e0">5f9f4306</a></strong>
<div>
<span> by Finley McIlwaine </span> <i> at 2023-08-08T09:23:24-06:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #333238; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>Add -finfo-table-map-with-fallback -finfo-table-map-with-stack
The -fno-info-table-map-with-stack flag omits STACK info tables from the info
table map, and the -fno-info-table-map-with-fallback flag omits info tables
with defaulted source locations from the map. In a test on the Agda codebase
the build results were about 7% smaller when both of those types of tables
were omitted.
Adds a test that verifies that passing each combination of these flags
results in the correct output for -dipe-stats.
This commit also refactors a lot of the logic around extracting info tables
from the Cmm results and building the info table map.
This commit also fixes some issues in the users guide rst source to fix
warnings that were noticed while debugging the documentation for these flags.
Fixes #23702
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a4b0bc726896083740c2c185bd4a7d91e5bb18f3">a4b0bc72</a></strong>
<div>
<span> by Finley McIlwaine </span> <i> at 2023-08-08T10:03:16-06:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #333238; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>Refactor estimation of stack info table provenance
This commit greatly refactors the way we compute estimated provenance for stack
info tables. Previously, this process was done using an entirely separate traversal
of the whole Cmm code stream to build the map from info tables to source locations.
The separate traversal is now fused with the Cmm code generation pipeline in
GHC.Driver.Main.
This results in very significant code generation speed ups when -finfo-table-map is
enabled. In testing, this patch reduces code generation times by almost 30% with
-finfo-table-map and -O0, and 60% with -finfo-table-map and -O1 or -O2 .
Fixes #23103
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e3950bc7ffaf31438181b176f079d9ea335827ee">e3950bc7</a></strong>
<div>
<span> by Finley McIlwaine </span> <i> at 2023-08-08T10:11:07-06:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #333238; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>Refactor distinct constructor tables map construction
Adds `GHC.Types.Unique.Map.alterUniqMap_L`, `GHC.Types.Unique.FM.alterUFM_L`,
`GHC.Data.Word64Map.alterLookupWithKey` to support fusion of distinct
constructor data insertion and lookup during the construction of the data con
map in `GHC.Stg.Debug.numberDataCon`.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/16b050419bc9b57e91567fe2d94827bc520d1fb2">16b05041</a></strong>
<div>
<span> by Finley McIlwaine </span> <i> at 2023-08-08T10:53:21-06:00 </i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 14px; color: #333238; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dcdcde;'>Allow per constructor refinement of distinct-constructor-tables
Introduce `-fno-distinct-constructor-tables`. A distinct constructor table
configuration is built from the combination of flags given, in order. For
example, to create distinct constructor tables for all constructors except for a
specific few named `C1`,..., `CN`, pass `-fdistinct-contructor-tables` followed
by `fno-distinct-constructor-tables=C1,...,CN`. To only generate distinct
constuctor tables for a few specific constructors and no others, just pass
`-fdistinct-constructor-tables=C1,...,CN`.
The various configuations of these flags is included in the dynflags
fingerprints, which should result in the expected recompilation logic.
Adds a test that checks for distinct tables for various given or omitted
constructors.
Updates CountDepsAst and CountDepsParser tests to account for new dependencies.
Fixes #23703
</pre>
</li>
</ul>
<h4 style="margin-top: 10px; margin-bottom: 10px;">
29 changed files:
</h4>
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<li class="file-stats">
<a href="#f73a4fa90a8eb153bccdcfcc9f63c15edcd66785">
compiler/GHC/Cmm.hs
</a>
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<li class="file-stats">
<a href="#3bf70b5489d99d6cee2ac79b0645af6879e55791">
compiler/GHC/Data/Word64Map/Internal.hs
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<li class="file-stats">
<a href="#2c1aeb084c6ef39dbba7d2092b9efe6aa82a405f">
compiler/GHC/Data/Word64Map/Lazy.hs
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<li class="file-stats">
<a href="#86c6fc7130ffac9fb377b09434d9186d569201f6">
compiler/GHC/Driver/Config/Stg/Debug.hs
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<li class="file-stats">
<a href="#3b4a348959abd9d6cf552e6b740baadea76d9da5">
compiler/GHC/Driver/Config/StgToCmm.hs
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<li class="file-stats">
<a href="#e65e7bbfc24f8830a20082bfc50f6d16e613cbeb">
compiler/GHC/Driver/DynFlags.hs
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<a href="#2e5692f568fd7b67a6b172e2a60469da8392508c">
compiler/GHC/Driver/Flags.hs
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<li class="file-stats">
<a href="#30d5e1537ef6a53cd9a4db9ddfc40c09143cdbb3">
compiler/GHC/Driver/GenerateCgIPEStub.hs
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<li class="file-stats">
<a href="#9a679a2680ef6061397f1987091ea9f96ffe095d">
compiler/GHC/Driver/Main.hs
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<a href="#774d88050336ef660c7a219fb06c480c2fc639bc">
compiler/GHC/Driver/Session.hs
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<a href="#0b4bc77723e1f22f50d70e89a81f6d92c3904408">
compiler/GHC/Iface/Recomp/Flags.hs
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<li class="file-stats">
<a href="#5ed4643391d2607884de0a856f66281de9807dc3">
compiler/GHC/Runtime/Heap/Layout.hs
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<a href="#9d790ca611a17d0b485f5d79e362962120d86f89">
compiler/GHC/Stg/Debug.hs
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<li class="file-stats">
<a href="#8fd513f9f85423150e6087ab487a1d8c0d212a8e">
compiler/GHC/StgToCmm/Config.hs
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<li class="file-stats">
<a href="#8390b439f37437a2642e4e31bd6e7e91438915d1">
compiler/GHC/StgToCmm/Prof.hs
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<a href="#13bc6c694b9a1fa78aeab1e992926d759374ecb2">
compiler/GHC/StgToCmm/Utils.hs
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<a href="#902811828741e6bcd64702935bbb54edbbd070ef">
compiler/GHC/Tc/Gen/Expr.hs
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<a href="#36920f1fa315563c590243b1b096096bc305ca70">
compiler/GHC/Tc/Gen/Head.hs
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<a href="#b0b25f424f682f899323d3f74070dbe8fd59628e">
compiler/GHC/Types/Unique/FM.hs
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<a href="#9e40a196ea537ca1e4b6187f1e0780b978193c7e">
compiler/GHC/Types/Unique/Map.hs
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<li class="file-stats">
<a href="#87db583be5c13c1f7b3c958b10e03d67b6a2ca06">
configure.ac
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<a href="#523e258f899a29c551e69a88115587d32ba73db1">
docs/users_guide/9.10.1-notes.rst
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<a href="#56cab10ba9d31c526f47a492a4151a878077dc2d">
docs/users_guide/9.8.1-notes.rst
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<a href="#86c92886ea01ecd58dd8ae627a0e7918ccda57bf">
docs/users_guide/debug-info.rst
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<a href="#36435f993774454b5956f3a38a9276ed176c61cc">
docs/users_guide/debugging.rst
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<a href="#0fa22dce36a6e8aa09112ecb1e39212077c27ae8">
docs/users_guide/exts/implicit_parameters.rst
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<a href="#12f1226bde7e9f48203d34d8d857513f2f1f4d75">
docs/users_guide/phases.rst
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<a href="#f227a38797c18ee429e783e5132ca39e5a4cc7e7">
testsuite/tests/count-deps/CountDepsAst.stdout
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<a href="#2dcdf7aadcff5b41822596f22b49b2851374d0cd">
testsuite/tests/count-deps/CountDepsParser.stdout
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The diff was not included because it is too large.
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