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Remove the builtin IR, and instead define builtin types locally. (#3910)

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We don't need it any more, and removing it simplifies a few things:

- One fewer predefined `File` and reserved ID.
- We now have simply `Builtin` instructions for builtins, instead of
having an `ImportRef` that indirectly references a `Builtin`.
- `ConstantId`s now always refer directly to a local constant, instead
of sometimes referring to an `ImportRef` for a constant in the builtins
IR.

---------

Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
This commit is contained in:
Richard Smith
2024-04-24 18:32:59 +00:00
committed by GitHub
co-authored by Jon Ross-Perkins
parent 1349cc1e8e
commit 62fe0cd385
79 changed files with 600 additions and 671 deletions
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toolchain/check/testdata/function/declaration/implicit_import.carbon
Vendored
+3 -3
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@@ -79,7 +79,7 @@ extern fn A();
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .A = %A
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref: <function> = import_ref ir1, inst+2, loaded [template = imports.%A]
// CHECK:STDOUT: %import_ref: <function> = import_ref ir0, inst+2, loaded [template = imports.%A]
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %A: <function> = fn_decl @A [template] {}
// CHECK:STDOUT: }
@@ -106,7 +106,7 @@ extern fn A();
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .A = %A
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref: <function> = import_ref ir1, inst+2, loaded [template = imports.%A]
// CHECK:STDOUT: %import_ref: <function> = import_ref ir0, inst+2, loaded [template = imports.%A]
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %A: <function> = fn_decl @A [template] {}
// CHECK:STDOUT: }
@@ -133,7 +133,7 @@ extern fn A();
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .A = %A
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref: <function> = import_ref ir1, inst+2, loaded [template = imports.%A]
// CHECK:STDOUT: %import_ref: <function> = import_ref ir0, inst+2, loaded [template = imports.%A]
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %A: <function> = fn_decl @A [template] {}
// CHECK:STDOUT: }