This doesn't remove no-longer-needed flags; I'll do that in a separate
PR after this is merged.
---------
Co-authored-by: Dana Jansens <danakj@orodu.net>
Bumps the npm_and_yarn group with 1 update in the /utils/vscode
directory: [tar-fs](https://github.com/mafintosh/tar-fs).
Updates `tar-fs` from 2.1.2 to 2.1.3
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This reclaims a bit inside `LocId`. I'm hopeful we don't actually need
to store the token-only state.
Note I'm looking at this in the context of desugaring; I was thinking
about changing `ToImplicit` logic a little to push more towards
`GetCanonicalLocId`, and the "desugaring" TODO there. Removing
`ToTokenOnly` makes me feel a little more free to rename `ToImplicit`,
since it eliminates consistency as a question.
When lowering a specific function whose generic was defined in a
different file, switch to that other file's `FileContext` and lower the
generic there. Also pass the `FileContext` corresponding to the specific
into the `FunctionContext`, and use that `FileContext` for resolving
requests for constants and types from the specific.
This avoids reallocating the backing buffer in ValueStore so that
references into the ValueStore are never invalidated when adding new
values. This works especially well since we never delete values from a
ValueStore.
The strategy used is to allocate chunks of a fixed size, and inserting
into each chunk until it is full before allocating the next. The
ValueStore starts with an initial allocated chunk in all cases, so that
there is only a single indirection for adding and accessing values from
this chunk. After it's full, additional chunks are allocated in a
vector, so two indirections are required to add or access values in
these chunks.
This obviates the need for
https://github.com/carbon-language/carbon-lang/pull/5529 as we no longer
need to worry about holding pointers into a ValueStore.
We introduce a Flatten operation for ranges. It flattens a "range over
ranges over Ts" down to a "range over Ts". This allows us to make an
range over the values in the ValueStore from a range over the chunks in
the ValueStore. See
https://doc.rust-lang.org/stable/std/iter/trait.Iterator.html#method.flatten
for inspiration for this name choice. Flatten is used in one other case
where we were writing two levels of for loops to do the same thing.
The `array_ref()` accessor is changed to `values()` and its now a range
(typed as a `ValueStoreRange`) over all values as references (like
ArrayRef was, but without random access).
As pointers to a ValueStore can no longer be invalidated, we remove the
ASAN poisoning feature and support from ValueStore.
This may cause a regression in our compile benchmark of up to 5%, though
that is close to or within the noise of the benchmark. We can look at
ways to optimize things further in the future. Perhaps by tuning the
chunk size further, or by making later chunks larger than earlier
chunks, or other strategies.
In preparation for lowering information from multiple `SemIR::File`s
into a single `llvm::Module`. The primary purpose of this is to support
lowering a local specific for an imported generic function, where the
instructions for the generic function are in a different file than the
instructions for the specific. See #5475 for a draft PR implementing
that functionality on top of this.
The per-`llvm::Module` state now lives in `Lower::Context`, and
`Lower::FileContext` tracks only the per-`SemIR::File` information.
`Lower::Context` should not mention any `SemIR` IDs that are
file-specific. For now, the C++ lowering and the specific coalescing
logic are kept per-file for simplicity.
In the vein of https://github.com/carbon-language/carbon-lang/pull/5455.
This merges the one expr_category test into tuple testing because it
seemed closely associated (particularly with
in_place_tuple_init.carbon), and it didn't seem worth keeping a
directory for a single test.
Note the entire "access" directory is combined into
element_access.carbon.
The general intent here is to support basic use of `i32` and similar
integer types in min_prelude tests, without all the various arithmetic
support.
This is in support of #5547 and #5549. However, I was originally asking
for this to be reviewed as part of #5546 rather than either of those
PRs, and I've retracted #5546 due to [the discussion on Discord about
test change
complexity](https://discord.com/channels/655572317891461132/655578254970716160/1377406366200758293).
So, to try to still get this in (and then merge the already-approved
#5547 and #5549), splitting out this file.
Note this is actually the form of the prelude in #5549, which was adding
negate -- it felt better to me to add that together as long as I'm
splitting it out.
I was thinking about these after #5526, was wondering how others will
feel about this kind of approach:
- Adding a helper to `TypeEnum` to get the table construction.
- In what were previously `Make` functions, return the element instead
of returning the table.
- By returning the element, no more need to pass in a nullptr (now have
a concrete instance).
I think this is a mild simplification, but maybe worth it.
Note, would appreciate it if there are thoughts on how to provide a
boilerplate `Invalid` implementation (maybe it'd be fine to just return
`nullptr` and cause a crash that way, but I was hesitant to do that).
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
This would've identified c6f25e9018
earlier/more clearly.
I looked for similar assertions for things like
`GetLocalConstantValueOrPush` but it has the right property by
construction (if it's going to return `None`, it pushes work) so an
assertion didn't seem suitable there.
Perhaps there are other such mapping functions that could get this
treatment? Open to pointers.
Now that I'm getting to a relatively low number of remaining files for
this cleanup, this is my second look for things that I missed before in
directories that were generally already swept up (mostly by the TODOs).
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
Updates in the vein of #5455.
Note this seems a little like it could be merged into `var`, which
already has global tests. But the merge felt a little more complex than
just doing this update.
This reverts commit 1889ee3904.
We have identified that this is causing ODR violations, because the
`fuzzer` feature is being added `cc_fuzz_test` targets, and thus any
includes they make, but not to the rest of the build. Any include that
is seen from both places has ODR violations if it branches on
FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION.
We need to apply fuzzer globally when building fuzz targets somehow, or
not set different defines in fuzzer.
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
Noticed this while working on class tests (crash bug). Forward declared
generics have a decl_id of the forward declaration, not the definition.
I'm giving up trying to have the caller know if it's a start node, and
instead just choosing based on the node kind.
The same specific function will (eventually) be emitted as part of
lowering multiple different source files, so don't give them unique
external linkage.
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
Previously we walked the global variables defined by the current file
and emitted an LLVM global variable definition for each of them. Now
instead, when emitting a constant reference to a global variable, we
emit an LLVM global variable declaration, and we then subsequently walk
the global variables defined by the current file and convert each of
them from a declaration to a definition.
In order to make import of names of global variables work, add support
for import of `var`, as well as support for importing `tuple_access` and
`tuple_pattern` in the case where the `var` has a tuple pattern in its
declaration. Also treat `bind_name`s that are reference bindings to
`var`s as having the same constant reference value as their `var` so
that we can properly import and lower them.
---------
Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
Co-authored-by: Carbon Infra Bot <carbon-external-infra@google.com>
Entities, such as `Function`s may be created during phase 2 and need to
read the `Class`'s `scope_id` at that point, so it must be made
available earlier (in phase 2, rather than 3) when importing.
(thanks @zygoloid for explaining this all to me)
I'll look into other instances of this 3 phase lookup to see if they
have
similar bugs/if I can create test cases to tickle them as follow-ups.
---------
Co-authored-by: Richard Smith <richard@metafoo.co.uk>
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
Where `--no-dump-sem-ir` is used, change to `--dump-sem-ir-ranges=only`.
Otherwise, add `--dump-sem-ir-ranges=if-present` with a TODO to change
to `only`.
Note, SemIR is affected just because the extra comments change line
numbers in files where splits aren't in use.
This test has its own directory, since #3056. We haven't added any more,
so fold it into basics. Also simplify it a little using `else`, and
`no_prelude`.
Note, I'm not even sure how much we need this test given the
`%.loc<line>_<col>`, but I feel slightly worse deleting it.
When a pattern is an error, avoid wrapping it as a subpattern in a
RefParamPattern or VarPattern. This allows further error handling to
observe the error occurred without having to unwrap it.
This avoids a crash when an invalid associated constant is written which
has a VarPattern in it. The associated constant machinery expects an
AssociatedConstantDecl but was getting a VarPattern with an ErrorInst
inside. Now it receives an ErrorInst directly, which it is already
looking for.
This choice means that `var` statements in an `interface` will always be
diagnosed as being non-constant, or as being a constant with a `var`, so
we don't need an extra diagnostic saying that `var` is not allowed in an
interface, as this just leads to two diagnostics on the same thing.
This crash was found by a fuzzer.
Jon Ross-PerkinsandDana Jansens
Boaz Brickner
dependabot[bot]
Richard Smith
David Blaikie
Alina Sbirlea
Thomas Köppe