- Mar 09, 2024
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Ben Gamari authored
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Ben Gamari authored
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This should have been done in 0f0c53a5 but I missed it.
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There is nothing platform-dependent about our GOT implementation and GOT support is needed by `T24171` on i386.
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See #24515 for details.
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This replicates the behavior on Windows, where `Hi.exe` will produce profiling output named `Hi.prof` instead of `Hi.exe.prof`. While in the area I also fixed the extension-stripping logic, which incorrectly rewrote `Hi.exefoo` to `Hi.foo`. Closes #24515.
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The main purpose of this is to tuck the module name `xxx` in `module xxx where` into the hieAst. It should fix #24493. The following have been done: 1. Renamed and update the `tcg_doc_hdr :: Maybe (LHsDoc GhcRn)` to `tcg_hdr_info :: (Maybe (LHsDoc GhcRn), Maybe (XRec GhcRn ModuleName))` To store the located module name information. 2. update the `RenamedSource` and `RenamedStuff` with extra `Maybe (XRec GhcRn ModuleName)` located module name information. 3. add test `testsuite/tests/hiefile/should_compile/T24493.hs` to ensure the module name is added and update several relevent tests. 4. accompanied submodule haddoc test update MR in ghc/haddock!53
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- Mar 08, 2024
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As noted by #24344, `strerror` is not necessarily thread-safe. Thankfully, POSIX.1-2001 has long offered `strerror_r`, which is safe to use. Fixes #24344. CLC discussion: https://github.com/haskell/core-libraries-committee/issues/249
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This fixes a regression in retainer set profiling introduced by b0293f78. Prior to that commit the heap traversal word would be initialized by `SET_HDR` using `LDV_RECORD_CREATE`. However, the commit added a `doingLDVProfiling` check in `LDV_RECORD_CREATE`, meaning that this initialization no longer happened. Given that this initialization was awkwardly indirectly anyways, I have fixed this by explicitly initializating the heap traversal word to `NULL` in `SET_PROF_HDR`. This is equivalent to the previous behavior, but much more direct. Fixes #24513.
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This was simply reexporting things from `ghc-prim`. Instead reexport these directly from `Data.Kind`. Also add build ordering dependency to work around #23942.
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Also tweak rendering of SrcSpan to remove extra blank line.
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Most GhcExceptions are user-facing errors and therefore the ExceptionContext has little value. Ideally we would enable it in the DEBUG compiler but I am leaving this for future work.
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Here we introduce the `Backtraces` type and associated machinery for attaching these via `ExceptionContext`. These has a few compile-time regressions (`T15703` and `T9872d`) due to the additional dependencies in the exception machinery. As well, there is a surprisingly large regression in the `size_hello_artifact` test. This appears to be due to various `Integer` and `Read` bits now being reachable at link-time. I believe it should be possible to avoid this but I have accepted the change for now to get the feature merged. CLC Proposal: https://github.com/haskell/core-libraries-committee/issues/199 GHC Proposal: https://github.com/ghc-proposals/ghc-proposals/pull/330 Metric Increase: T15703 T9872d size_hello_artifact
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Here we introduce the `ExceptionContext` type and `ExceptionAnnotation` class, allowing dynamically-typed user-defined annotations to be attached to exceptions. CLC Proposal: https://github.com/haskell/core-libraries-committee/issues/199 GHC Proposal: https://github.com/ghc-proposals/ghc-proposals/pull/330
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- Mar 07, 2024
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Vladislav Zavialov authored
* Main change: make the error message generated by mkFunTysMsg more accurate by changing "value arguments" to "visible arguments". * Refactor: define a new type synonym VisArity and use it instead of Arity in a few places. It might be the case that there other places in the compiler that should talk about visible arguments rather than value arguments, but I haven't tried to find them all, focusing only on the error message reported in the ticket.
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- Mar 06, 2024
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These were changes are all triggered by #24471. 1. Make GHC.Core.Opt.SetLevels.lvlMFE behave better when there are many free variables. See Note [Large free-variable sets]. 2. Make GHC.Core.Opt.Arity.floatIn a bit lazier in its Cost argument. This benefits the common case where the ArityType turns out to be nullary. See Note [Care with nested expressions] 3. Make GHC.CoreToStg.Prep.cpeArg behave for deeply-nested expressions. See Note [Eta expansion of arguments in CorePrep] wrinkle (EA2). Compile times go down by up to 4.5%, and much more in artificial cases. (Geo mean of compiler/perf changes is -0.4%.) Metric Decrease: CoOpt_Read T10421 T12425 -
This is a temporary measure to improve CI reliability until a proper solution is developed. Works around #23942.
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This commit adds an assertion to Bdescr() to assert the pointer is indeed heap allocated. This is useful to rule out RTS bugs that attempt to access non-existent block descriptor of a static closure, #24492 being one such example.
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This commit exposes HeapAlloc.h as a public header. The intention is to expose HEAP_ALLOCED/HEAP_ALLOCED_GC, so they can be used in assertions in other public headers, and they may also be useful for user code.
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This patch adds a -xr RTS option to control the size of virtual memory address space reserved by the two step allocator on a 64-bit platform, see added documentation for explanation. Closes #24498.
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Use faster implementations for the following primitives in the JS backend by not using JavaScript's BigInt: - plusInt64 - minusInt64 - minusWord64 - timesWord64 - timesInt64 Co-authored-by:Josh Meredith <joshmeredith2008@gmail.com>
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* -he profiling mode * -he profiling selector * --automatic-era-increment CLC proposal #254 - https://github.com/haskell/core-libraries-committee/issues/254
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- Mar 05, 2024
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There were a few issues with the hackage links: 1. We were using the package id rather than the package name for the package links. This is fixed by now allowing the template to mention %pkg% or %pkgid% and substituing both appropiatly. 2. The `--haddock-base-url` flag is renamed to `--haddock-for-hackage` as the new base link works on a local or remote hackage server. 3. The "src" path including too much stuff, so cross-package source links were broken as the template was getting double expanded. Fixes #24086
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The file mentioned some artifacts relating to the base library. I have renamed these to the new ghc-internal variants.
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This adds the upload of ghc-internal and ghc-experimental to our scripts which upload packages to hackage.
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Fix a bug in the x86 ncg where results would be wrong when the desired output register and one of the input registers were the same global. Also adds a tiny optimization to make use of the memory addressing support when convenient. Fixes #24496
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- Mar 04, 2024
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Finley McIlwaine authored
* Refactor late cost centre insertion for extensibility * Add two more late cost centre insertion methods that add SCCs to overloaded top level bindings and call sites with dictionary arguments. * Some tests for the basic functionality of the new insertion methods Resolves: #24500
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