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<h3 style="margin-top: 20px; margin-bottom: 10px;">
Marge Bot pushed to branch wip/marge_bot_batch_merge_job
at <a href="https://gitlab.haskell.org/ghc/ghc" style="color: #1068bf;">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/3e815351a48d5ee6e9f13e341eab1b5d1e64f357" style="color: #1068bf;">3e815351</a></strong>
<div>
<span>by Dai</span>
<i>at 2022-10-18T12:35:59+02:00</i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "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: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add VecSlot for unboxed sums of SIMD vectors
This patch adds the missing `VecRep` case to `primRepSlot` function and
all the necessary machinery to carry this new `VecSlot` through code
generation. This allows programs involving unboxed sums of SIMD vectors
to be written and compiled.
Fixes #22187
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/27c7de84edcfad04bf39fb145877b2c9254ad98d" style="color: #1068bf;">27c7de84</a></strong>
<div>
<span>by sheaf</span>
<i>at 2022-10-18T12:36:02+02:00</i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "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: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Remove SIMD conversions
This patch makes it so that packing/unpacking SIMD
vectors always uses the right sized types, e.g.
unpacking a Word16X4# will give a tuple of Word16#s.
As a result, we can get rid of the conversion instructions
that were previously required.
Fixes #22296
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3d7e07a658dcea68901eb9c2cda2915094f39d4d" style="color: #1068bf;">3d7e07a6</a></strong>
<div>
<span>by sheaf</span>
<i>at 2022-10-18T12:36:02+02:00</i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "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: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Cmm Lint: relax SIMD register assignment check
As noted in #22297, SIMD vector registers can be used
to store different kinds of values, e.g. xmm1 can be used
both to store integer and floating point values.
The Cmm type system doesn't properly account for this, so
we weaken the Cmm register assignment lint check to only
compare widths when comparing a vector type with its
allocated vector register.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c881520d644742eb9ec7d5fe9dd5129a643918da" style="color: #1068bf;">c881520d</a></strong>
<div>
<span>by sheaf</span>
<i>at 2022-10-18T12:36:03+02:00</i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "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: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Disable some SIMD tests on non-X86 architectures
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/16a08639e1842a77a6091a8c64c9d9905cd33f52" style="color: #1068bf;">16a08639</a></strong>
<div>
<span>by M Farkas-Dyck</span>
<i>at 2022-10-18T14:20:33-04:00</i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "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: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Scrub various partiality involving lists (again).
Lets us avoid some use of `head` and `tail`, and some panics.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c201deb15e34b551e75ee9fcdd333a1fe40befc6" style="color: #1068bf;">c201deb1</a></strong>
<div>
<span>by M Farkas-Dyck</span>
<i>at 2022-10-18T14:20:38-04:00</i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "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: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Enforce invariant of `ListBag` constructor.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/12c5ff3c7feed688858f19f1648506b65a333a73" style="color: #1068bf;">12c5ff3c</a></strong>
<div>
<span>by Bodigrim</span>
<i>at 2022-10-18T14:20:41-04:00</i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "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: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>More precise types for fields of OverlappingInstances and UnsafeOverlap in TcSolverReportMsg
It's clear from asserts in `GHC.Tc.Errors` that `overlappingInstances_matches`
and `unsafeOverlapped` are supposed to be non-empty, and `unsafeOverlap_matches`
contains a single instance, but these invariants are immediately lost afterwards
and not encoded in types. This patch enforces the invariants by pattern matching
and makes types more precise, avoiding asserts and partial functions such as `head`.
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e67f2f097d10941c2cea24d2b516dfc529ba8d30" style="color: #1068bf;">e67f2f09</a></strong>
<div>
<span>by sheaf</span>
<i>at 2022-10-18T14:20:41-04:00</i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "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: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Rename unsafeOverlap_matches -> unsafeOverlap_match in UnsafeOverlap</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/68433c6f32861d022a92b16b7b9a835da4ac59f6" style="color: #1068bf;">68433c6f</a></strong>
<div>
<span>by Matthew Pickering</span>
<i>at 2022-10-18T14:20:41-04:00</i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "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: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Add SpliceTypes test for hie files
This test checks that typed splices and quotes get the right type
information when used in hiefiles.
See #21619
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/30ad75e127a4fbb4c293b1c857af3dd99911a29a" style="color: #1068bf;">30ad75e1</a></strong>
<div>
<span>by Jan Hrček</span>
<i>at 2022-10-18T14:20:44-04:00</i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "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: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Small language fixes in 'Using GHC'
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/bc63233031162738f6f66a474987dd9a260dd315" style="color: #1068bf;">bc632330</a></strong>
<div>
<span>by Gergő Érdi</span>
<i>at 2022-10-18T14:20:46-04:00</i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "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: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix typo in `Opt_WriteIfSimplifiedCore`'s name
</pre>
</li>
</ul>
<h4 style="margin-top: 10px; margin-bottom: 10px;">30 changed files:</h4>
<ul>
<li class="file-stats">
<a href="#451725cc4e5d443a3b7c2adcdf224840f953b7e2" style="color: #1068bf;">
compiler/GHC/Builtin/primops.txt.pp
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<li class="file-stats">
<a href="#2d3721ad8de95e1144493ca545db846672cb109f" style="color: #1068bf;">
compiler/GHC/Cmm/Info/Build.hs
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<li class="file-stats">
<a href="#cf82b82d6e47b3c81686a3340668a31ce028e2a1" style="color: #1068bf;">
compiler/GHC/Cmm/Lint.hs
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<li class="file-stats">
<a href="#c898e00d01234ab22d3b485be68db3645f52f220" style="color: #1068bf;">
compiler/GHC/Cmm/MachOp.hs
</a>
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<a href="#f9f29a5a64a0b66967f0a7c538dbf8ad06a9f5bb" style="color: #1068bf;">
compiler/GHC/Cmm/Utils.hs
</a>
</li>
<li class="file-stats">
<a href="#5986ebaacfa99d264abfd2f7ef19d99a64db720f" style="color: #1068bf;">
compiler/GHC/CmmToAsm/BlockLayout.hs
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<li class="file-stats">
<a href="#89f8a68c62e7b5e239f8d8d532820fc086d29140" style="color: #1068bf;">
compiler/GHC/CmmToAsm/PPC/Instr.hs
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<li class="file-stats">
<a href="#2bae5947e9412f6deebf4db7dcb89d780913130f" style="color: #1068bf;">
compiler/GHC/CmmToAsm/X86/CodeGen.hs
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<a href="#5596bb0f228bd2a308c4391df97375ae879430a8" style="color: #1068bf;">
compiler/GHC/Core/InstEnv.hs
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<a href="#36a42448a83a9d1f6df8475f03ead2eed199dd8e" style="color: #1068bf;">
compiler/GHC/Core/Lint.hs
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compiler/GHC/Core/Opt/Monad.hs
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compiler/GHC/Core/Opt/OccurAnal.hs
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compiler/GHC/Core/Utils.hs
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<a href="#2fefe3125c649bc5377b06a7cca18e785855b79c" style="color: #1068bf;">
compiler/GHC/Data/Bag.hs
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<a href="#2e5692f568fd7b67a6b172e2a60469da8392508c" style="color: #1068bf;">
compiler/GHC/Driver/Flags.hs
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<a href="#9a679a2680ef6061397f1987091ea9f96ffe095d" style="color: #1068bf;">
compiler/GHC/Driver/Main.hs
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<a href="#774d88050336ef660c7a219fb06c480c2fc639bc" style="color: #1068bf;">
compiler/GHC/Driver/Session.hs
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<a href="#75bfcd03f3ba9315d33104fcb0424c6bfeb4e334" style="color: #1068bf;">
compiler/GHC/Hs/Decls.hs
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<a href="#7a1af22e4c32b9aa6ec708d9d3788e1c4db5da9a" style="color: #1068bf;">
compiler/GHC/Hs/Utils.hs
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<a href="#6983b6dc1a4f225d4e72180ad45d8484d9d32931" style="color: #1068bf;">
compiler/GHC/HsToCore/Pmc/Solver/Types.hs
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compiler/GHC/HsToCore/Utils.hs
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<a href="#649144a78135a23cabfc90dd83c4aabf448eb6ab" style="color: #1068bf;">
compiler/GHC/Iface/Ext/Ast.hs
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<a href="#4ed0dc87b8bdd9324e8a181cff15caa104b9e58c" style="color: #1068bf;">
compiler/GHC/Iface/Make.hs
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<a href="#13755bdc5d6c6b4c6f31604eb0da778521355795" style="color: #1068bf;">
compiler/GHC/Parser/PostProcess/Haddock.hs
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<a href="#e05ee69330b0f7088f11a5f3567137547489664d" style="color: #1068bf;">
compiler/GHC/Rename/Names.hs
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<a href="#666fdec4f6f5adba7a23b6cb0a09a0b6c3fc51ed" style="color: #1068bf;">
compiler/GHC/Rename/Unbound.hs
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<a href="#8858278b4cb7284f96b29b5564bcb426de4fae70" style="color: #1068bf;">
compiler/GHC/Runtime/Heap/Inspect.hs
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<a href="#4675150d494f381e32f32e7b58c494b88e8d2584" style="color: #1068bf;">
compiler/GHC/Stg/Unarise.hs
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<a href="#1522139eef391430974e254694d2feec1d43d85a" style="color: #1068bf;">
compiler/GHC/StgToByteCode.hs
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<a href="#d12a108e34fe83acc9c99357ae841e22a0af0a23" style="color: #1068bf;">
compiler/GHC/StgToCmm/Prim.hs
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