mmtk
diff --git a/‎.devcontainer/Dockerfile
-3 b/‎.devcontainer/Dockerfile
-3
diff --git a/‎.devcontainer/devcontainer.json
+10-6 b/‎.devcontainer/devcontainer.json
+10-6
diff --git a/‎Compiler/Project.toml
+1-1 b/‎Compiler/Project.toml
+1-1
diff --git a/‎Compiler/extras/CompilerDevTools/src/CompilerDevTools.jl
+2-10 b/‎Compiler/extras/CompilerDevTools/src/CompilerDevTools.jl
+2-10
diff --git a/‎Compiler/src/Compiler.jl
+44-28 b/‎Compiler/src/Compiler.jl
+44-28
@@ -1,8 +1,12 @@
 {
-    "extensions": [
-      "julialang.language-julia",
-      "ms-vscode.cpptools"
-    ],
-  
-    "dockerFile": "Dockerfile"
+  "image": "docker.io/library/julia:latest",
+  "customizations": {
+      "vscode": {
+        "extensions": [
+          "julialang.language-julia",
+          "ms-vscode.cpptools"
+        ]
+     }
+  },
+  "onCreateCommand": "apt-get update && apt-get install -y build-essential libatomic1 python3 gfortran perl wget m4 cmake pkg-config git"
 }
@@ -1,6 +1,6 @@
 name = "Compiler"
 uuid = "807dbc54-b67e-4c79-8afb-eafe4df6f2e1"
-version = "0.0.2"
+version = "0.0.3"
 
 [compat]
 julia = "1.10"
 
@@ -34,19 +34,11 @@ import Core.OptimizedGenerics.CompilerPlugins: typeinf, typeinf_edge
     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))
+    mi = @ccall jl_method_lookup(Any[f, args...]::Ptr{Any}, (1+length(args))::Csize_t, Base.tls_world_age()::Csize_t)::Ref{Core.MethodInstance}
     world = Base.tls_world_age()
     new_compiler_ci = Core.OptimizedGenerics.CompilerPlugins.typeinf(
-        SplitCacheOwner(), mi_for_tt(tt), Compiler.SOURCE_MODE_ABI
+        SplitCacheOwner(), mi, Compiler.SOURCE_MODE_ABI
     )
     invoke(f, new_compiler_ci, args...)
 end
 
@@ -41,36 +41,38 @@ ccall(:jl_set_module_uuid, Cvoid, (Any, NTuple{2, UInt64}), Compiler,
 
 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 Core: ABIOverride, Builtin, CodeInstance, IntrinsicFunction, MethodInstance, MethodMatch,
+    MethodTable, PartialOpaque, SimpleVector, TypeofVararg,
+    _apply_iterate, apply_type, compilerbarrier, donotdelete, memoryref_isassigned,
+    memoryrefget, memoryrefnew, memoryrefoffset, memoryrefset!, print, println, show, svec,
+    typename, unsafe_write, write
 
 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: @_foldable_meta, @_gc_preserve_begin, @_gc_preserve_end, @nospecializeinfer,
+    BINDING_KIND_GLOBAL, BINDING_KIND_UNDEF_CONST, BINDING_KIND_BACKDATED_CONST,
+    Base, BitVector, Bottom, Callable, DataTypeFieldDesc,
+    EffectsOverride, Filter, Generator, IteratorSize, JLOptions, NUM_EFFECTS_OVERRIDES,
+    OneTo, Ordering, RefValue, SizeUnknown, _NAMEDTUPLE_NAME,
+    _array_for, _bits_findnext, _methods_by_ftype, _uniontypes, all, allocatedinline, any,
+    argument_datatype, binding_kind, cconvert, copy_exprargs, datatype_arrayelem,
+    datatype_fieldcount, datatype_fieldtypes, datatype_layoutsize, datatype_nfields,
+    datatype_pointerfree, decode_effects_override, diff_names, fieldindex,
+    generating_output, get_nospecializeinfer_sig, get_world_counter, has_free_typevars,
+    hasgenerator, hasintersect, indexed_iterate, isType, is_file_tracked, is_function_def,
+    is_meta_expr, is_meta_expr_head, is_nospecialized, is_nospecializeinfer, is_defined_const_binding,
+    is_some_const_binding, is_some_guard, is_some_imported, is_valid_intrinsic_elptr,
+    isbitsunion, isconcretedispatch, isdispatchelem, isexpr, isfieldatomic, isidentityfree,
+    iskindtype, ismutabletypename, ismutationfree, issingletontype, isvarargtype, isvatuple,
+    kwerr, lookup_binding_partition, may_invoke_generator, methods, midpoint, moduleroot,
+    partition_restriction, quoted, rename_unionall, rewrap_unionall, specialize_method,
+    structdiff, tls_world_age, unconstrain_vararg_length, unionlen, uniontype_layout,
+    uniontypes, unsafe_convert, unwrap_unionall, unwrapva, vect, widen_diagonal,
+    _uncompressed_ir
 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
+
+import Base: ==, _topmod, append!, convert, copy, copy!, findall, first, get, get!,
+    getindex, haskey, in, isempty, isready, iterate, iterate, last, length, max_world,
+    min_world, popfirst!, push!, resize!, setindex!, size
 
 const getproperty = Core.getfield
 const setproperty! = Core.setfield!
@@ -181,12 +183,26 @@ 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
-    include(IRShow, "ssair/show.jl")
+    load_irshow!()
 end
 
 end # baremodule Compiler