Merge branch 'master' into stacktrace-filters

.github/workflows/Whitespace.yml

@@ -18,6 +18,9 @@ jobs:
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
         with:
           persist-credentials: false
+      - uses: julia-actions/setup-julia@9b79636afcfb07ab02c256cede01fe2db6ba808c # v2.6.0
+        with:
+          version: '1'
       - name: Check whitespace
         run: |
           contrib/check-whitespace.jl

.gitignore

@@ -34,6 +34,7 @@
 .DS_Store
 .idea/*
 .vscode/*
+.zed/*
 *.heapsnapshot
 .cache
 # Buildkite: Ignore the entire .buildkite directory

CONTRIBUTING.md

@@ -278,8 +278,8 @@ Be sure to change the UUID value back before making the pull request.
 
 The process of [creating a patch release](https://docs.julialang.org/en/v1/devdocs/build/distributing/#Point-releasing-101) is roughly as follows:
 
-1. Create a new branch (e.g. `backports-release-1.6`) against the relevant minor release
-   branch (e.g. `release-1.6`). Usually a corresponding pull request is created as well.
+1. Create a new branch (e.g. `backports-release-1.10`) against the relevant minor release
+   branch (e.g. `release-1.10`). Usually a corresponding pull request is created as well.
 
 2. Add commits, nominally from `master` (hence "backports"), to that branch.
    See below for more information on this process.
@@ -291,8 +291,8 @@ The process of [creating a patch release](https://docs.julialang.org/en/v1/devdo
    the pull request associated with the backports branch. Fix any issues.
 
 4. Once all test and benchmark reports look good, merge the backports branch into
-   the corresponding release branch (e.g. merge `backports-release-1.6` into
-   `release-1.6`).
+   the corresponding release branch (e.g. merge `backports-release-1.10` into
+   `release-1.10`).
 
 5. Open a pull request that bumps the version of the relevant minor release to the
    next patch version, e.g. as in [this pull request](https://github.com/JuliaLang/julia/pull/37718).

Compiler/LICENSE.md

@@ -0,0 +1,26 @@
+MIT License
+
+Copyright (c) 2009-2024: Jeff Bezanson, Stefan Karpinski, Viral B. Shah, and other contributors: https://github.com/JuliaLang/julia/contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+end of terms and conditions
+
+Please see [THIRDPARTY.md](../THIRDPARTY.md) for license information for other software used in this project.

Compiler/Project.toml

@@ -0,0 +1,15 @@
+name = "Compiler"
+uuid = "807dbc54-b67e-4c79-8afb-eafe4df6f2e1"
+version = "0.0.2"
+
+[compat]
+julia = "1.10"
+
+[extras]
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+InteractiveUtils = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
+Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
+Libdl = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
+
+[targets]
+test = ["Test", "InteractiveUtils", "Random", "Libdl"]

Compiler/extras/CompilerDevTools/Manifest.toml

@@ -0,0 +1,15 @@
+# This file is machine-generated - editing it directly is not advised
+
+julia_version = "1.12.0-DEV"
+manifest_format = "2.0"
+project_hash = "84f495a1bf065c95f732a48af36dd0cd2cefb9d5"
+
+[[deps.Compiler]]
+path = "../.."
+uuid = "807dbc54-b67e-4c79-8afb-eafe4df6f2e1"
+version = "0.0.2"
+
+[[deps.CompilerDevTools]]
+path = "."
+uuid = "92b2d91f-d2bd-4c05-9214-4609ac33433f"
+version = "0.0.0"

Compiler/extras/CompilerDevTools/Project.toml

@@ -0,0 +1,5 @@
+name = "CompilerDevTools"
+uuid = "92b2d91f-d2bd-4c05-9214-4609ac33433f"
+
+[deps]
+Compiler = "807dbc54-b67e-4c79-8afb-eafe4df6f2e1"

Compiler/extras/CompilerDevTools/src/CompilerDevTools.jl

@@ -0,0 +1,56 @@
+module CompilerDevTools
+
+using Compiler
+using Core.IR
+
+struct SplitCacheOwner; end
+struct SplitCacheInterp <: Compiler.AbstractInterpreter
+    world::UInt
+    inf_params::Compiler.InferenceParams
+    opt_params::Compiler.OptimizationParams
+    inf_cache::Vector{Compiler.InferenceResult}
+    function SplitCacheInterp(;
+        world::UInt = Base.get_world_counter(),
+        inf_params::Compiler.InferenceParams = Compiler.InferenceParams(),
+        opt_params::Compiler.OptimizationParams = Compiler.OptimizationParams(),
+        inf_cache::Vector{Compiler.InferenceResult} = Compiler.InferenceResult[])
+        new(world, inf_params, opt_params, inf_cache)
+    end
+end
+
+Compiler.InferenceParams(interp::SplitCacheInterp) = interp.inf_params
+Compiler.OptimizationParams(interp::SplitCacheInterp) = interp.opt_params
+Compiler.get_inference_world(interp::SplitCacheInterp) = interp.world
+Compiler.get_inference_cache(interp::SplitCacheInterp) = interp.inf_cache
+Compiler.cache_owner(::SplitCacheInterp) = SplitCacheOwner()
+
+import Core.OptimizedGenerics.CompilerPlugins: typeinf, typeinf_edge
+@eval @noinline typeinf(::SplitCacheOwner, mi::MethodInstance, source_mode::UInt8) =
+    Base.invoke_in_world(which(typeinf, Tuple{SplitCacheOwner, MethodInstance, UInt8}).primary_world, Compiler.typeinf_ext, SplitCacheInterp(; world=Base.tls_world_age()), mi, source_mode)
+
+@eval @noinline function typeinf_edge(::SplitCacheOwner, mi::MethodInstance, parent_frame::Compiler.InferenceState, world::UInt, source_mode::UInt8)
+    # TODO: This isn't quite right, we're just sketching things for now
+    interp = SplitCacheInterp(; world)
+    Compiler.typeinf_edge(interp, mi.def, mi.specTypes, Core.svec(), parent_frame, false, false)
+end
+
+# TODO: This needs special compiler support to properly case split for multiple
+# method matches, etc.
+@noinline function mi_for_tt(tt, world=Base.tls_world_age())
+    interp = SplitCacheInterp(; world)
+    match, _ = Compiler.findsup(tt, Compiler.method_table(interp))
+    Base.specialize_method(match)
+end
+
+function with_new_compiler(f, args...)
+    tt = Base.signature_type(f, typeof(args))
+    world = Base.tls_world_age()
+    new_compiler_ci = Core.OptimizedGenerics.CompilerPlugins.typeinf(
+        SplitCacheOwner(), mi_for_tt(tt), Compiler.SOURCE_MODE_ABI
+    )
+    invoke(f, new_compiler_ci, args...)
+end
+
+export with_new_compiler
+
+end

Compiler/src/Compiler.jl

@@ -0,0 +1,208 @@
+# This file is a part of Julia. License is MIT: https://julialang.org/license
+
+if isdefined(Base, :end_base_include) && !isdefined(Base, :Compiler)
+
+# Define a dummy `Compiler` module to make it installable even on Julia versions where
+# Compiler.jl is not available as a standard library.
+@eval module Compiler
+    function __init__()
+        println("""
+        The `Compiler` standard library is not available for this version of Julia.
+        Use Julia version `v"1.12.0-DEV.1581"` or later.
+        """)
+    end
+end
+
+# When generating an incremental precompile file, we first check whether we
+# already have a copy of this *exact* code in the system image. If so, we
+# simply generates a pkgimage that has the dependency edges we recorded in
+# the system image and simply returns that copy of the compiler. If not,
+# we proceed to load/precompile this as an ordinary package.
+elseif (isdefined(Base, :generating_output) && Base.generating_output(true) &&
+        Base.samefile(joinpath(Sys.BINDIR, Base.DATAROOTDIR, Base._compiler_require_dependencies[1][2]), @eval @__FILE__) &&
+        !Base.any_includes_stale(
+            map(Base.compiler_chi, Base._compiler_require_dependencies),
+            "sysimg", nothing))
+
+    Base.prepare_compiler_stub_image!()
+    append!(Base._require_dependencies, map(Base.expand_compiler_path, Base._compiler_require_dependencies))
+    # There isn't much point in precompiling native code - downstream users will
+    # specialize their own versions of the compiler code and we don't activate
+    # the compiler by default anyway, so let's save ourselves some disk space.
+    ccall(:jl_suppress_precompile, Cvoid, (Cint,), 1)
+
+else
+
+@eval baremodule Compiler
+
+# Needs to match UUID defined in Project.toml
+ccall(:jl_set_module_uuid, Cvoid, (Any, NTuple{2, UInt64}), Compiler,
+    (0x807dbc54_b67e_4c79, 0x8afb_eafe4df6f2e1))
+
+using Core.Intrinsics, Core.IR
+
+import Core: print, println, show, write, unsafe_write,
+             _apply_iterate, svec, apply_type, Builtin, IntrinsicFunction,
+             MethodInstance, CodeInstance, MethodTable, MethodMatch, PartialOpaque,
+             TypeofVararg, Core, SimpleVector, donotdelete, compilerbarrier,
+             memoryref_isassigned, memoryrefnew, memoryrefoffset, memoryrefget,
+             memoryrefset!, typename
+
+using Base
+using Base: Ordering, vect, EffectsOverride, BitVector, @_gc_preserve_begin, @_gc_preserve_end, RefValue,
+    @nospecializeinfer, @_foldable_meta, fieldindex, is_function_def, indexed_iterate, isexpr, methods,
+    get_world_counter, JLOptions, _methods_by_ftype, unwrap_unionall, cconvert, unsafe_convert,
+    issingletontype, isType, rewrap_unionall, has_free_typevars, isvarargtype, hasgenerator,
+    IteratorSize, SizeUnknown, _array_for, Bottom, generating_output, diff_names,
+    ismutationfree, NUM_EFFECTS_OVERRIDES, _NAMEDTUPLE_NAME, datatype_fieldtypes,
+    argument_datatype, isfieldatomic, unwrapva, iskindtype, _bits_findnext, copy_exprargs,
+    Generator, Filter, ismutabletypename, isvatuple, datatype_fieldcount,
+    isconcretedispatch, isdispatchelem, datatype_layoutsize,
+    datatype_arrayelem, unionlen, isidentityfree, _uniontypes, uniontypes, OneTo, Callable,
+    DataTypeFieldDesc, datatype_nfields, datatype_pointerfree, midpoint, is_valid_intrinsic_elptr,
+    allocatedinline, isbitsunion, widen_diagonal, unconstrain_vararg_length,
+    rename_unionall, may_invoke_generator, is_meta_expr_head, is_meta_expr, quoted,
+    specialize_method, hasintersect, is_nospecializeinfer, is_nospecialized,
+    get_nospecializeinfer_sig, tls_world_age, uniontype_layout, kwerr,
+    moduleroot, is_file_tracked, decode_effects_override, lookup_binding_partition,
+    is_some_imported, binding_kind, is_some_guard, is_some_const_binding, partition_restriction,
+    BINDING_KIND_GLOBAL, structdiff
+using Base.Order
+import Base: getindex, setindex!, length, iterate, push!, isempty, first, convert, ==,
+    copy, popfirst!, in, haskey, resize!, copy!, append!, last, get!, size,
+    get, iterate, findall, min_world, max_world, _topmod, isready
+
+const getproperty = Core.getfield
+const setproperty! = Core.setfield!
+const swapproperty! = Core.swapfield!
+const modifyproperty! = Core.modifyfield!
+const replaceproperty! = Core.replacefield!
+const _DOCS_ALIASING_WARNING = ""
+
+ccall(:jl_set_istopmod, Cvoid, (Any, Bool), Compiler, false)
+
+eval(x) = Core.eval(Compiler, x)
+eval(m, x) = Core.eval(m, x)
+
+function include(x::String)
+    if !isdefined(Base, :end_base_include)
+        # During bootstrap, all includes are relative to `base/`
+        x = Base.strcat(Base.strcat(Base.DATAROOT, "julia/Compiler/src/"), x)
+    end
+    Base.include(Compiler, x)
+end
+
+function include(mod::Module, x::String)
+    if !isdefined(Base, :end_base_include)
+        x = Base.strcat(Base.strcat(Base.DATAROOT, "julia/Compiler/src/"), x)
+    end
+    Base.include(mod, x)
+end
+
+macro _boundscheck() Expr(:boundscheck) end
+
+function return_type end
+function is_return_type(Core.@nospecialize(f))
+    f === return_type && return true
+    if isdefined(Base, :Compiler) && Compiler !== Base.Compiler
+        # Also model the return_type function of the builtin Compiler the same.
+        # This isn't completely sound. We don't actually have any idea what the
+        # base compiler will do at runtime. In the fullness of time, we should
+        # re-work the semantics to make the cache primary and thus avoid having
+        # to reason about what the compiler may do at runtime, but we're not
+        # fully there yet.
+        return f === Base.Compiler.return_type
+    end
+    return false
+end
+
+include("sort.jl")
+
+# We don't include some.jl, but this definition is still useful.
+something(x::Nothing, y...) = something(y...)
+something(x::Any, y...) = x
+
+############
+# compiler #
+############
+
+baremodule BuildSettings
+using Core: ARGS, include
+using ..Compiler: >, getindex, length
+
+global MAX_METHODS::Int = 3
+
+if length(ARGS) > 2 && ARGS[2] === "--buildsettings"
+    include(BuildSettings, ARGS[3])
+end
+end
+
+if !isdefined(Base, :end_base_include)
+    macro show(ex...)
+        blk = Expr(:block)
+        for s in ex
+            push!(blk.args, :(println(stdout, $(QuoteNode(s)), " = ",
+                                              begin local value = $(esc(s)) end)))
+        end
+        isempty(ex) || push!(blk.args, :value)
+        blk
+    end
+else
+    using Base: @show
+end
+
+include("cicache.jl")
+include("methodtable.jl")
+include("effects.jl")
+include("types.jl")
+include("utilities.jl")
+include("validation.jl")
+
+include("ssair/basicblock.jl")
+include("ssair/domtree.jl")
+include("ssair/ir.jl")
+include("ssair/tarjan.jl")
+
+include("abstractlattice.jl")
+include("stmtinfo.jl")
+include("inferenceresult.jl")
+include("inferencestate.jl")
+
+include("typeutils.jl")
+include("typelimits.jl")
+include("typelattice.jl")
+include("tfuncs.jl")
+
+include("abstractinterpretation.jl")
+include("typeinfer.jl")
+include("optimize.jl")
+
+include("bootstrap.jl")
+include("reflection_interface.jl")
+include("opaque_closure.jl")
+
+macro __SOURCE_FILE__()
+    __source__.file === nothing && return nothing
+    return QuoteNode(__source__.file::Symbol)
+end
+
+module IRShow end
+function load_irshow!()
+    if isdefined(Base, :end_base_include)
+        # This code path is exclusively for Revise, which may want to re-run this
+        # after bootstrap.
+        include(IRShow, Base.joinpath(Base.dirname(Base.String(@__SOURCE_FILE__)), "ssair/show.jl"))
+    else
+        include(IRShow, "ssair/show.jl")
+    end
+end
+if !isdefined(Base, :end_base_include)
+    # During bootstrap, skip including this file and defer it to base/show.jl to include later
+else
+    # When this module is loaded as the standard library, include this file as usual
+    load_irshow!()
+end
+
+end # baremodule Compiler
+
+end # if isdefined(Base, :generating_output) && ...