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compiler: implement method-set based AssignableTo and Implements (#5304)

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* reflect: implement method-set based AssignableTo and Implements

Based on the design from #4376 by aykevl.
Fixes #4277, fixes #3580.

Co-authored-by: Ayke van Laethem <aykevanlaethem@gmail.com>

* builder: update expected binary sizes for reflect changes

* Make interface checks similar to invoke, allowing typeImplementsMethodSet and method info to be dropped when reflect is not present

* Add more tests that BigGo reflect tests

* Even more pruning

* Add go/token and net/url to passing tests

* Prune even further, I am less happy with this, though

* Update size test now that we are smaller

* Skip some tests

* elide method lists

* format, oops

* fix tests

* Add a panic, pull out constant to keep in sync

* Add debug info

* Remove code that was leftover from a previous refactor

---------

Co-authored-by: Ayke van Laethem <aykevanlaethem@gmail.com>
This commit is contained in:
Jake Bailey
2026-04-17 12:57:03 -07:00
committed by GitHub
parent b792c10680
commit 5ba8766cbc
16 changed files with 853 additions and 438 deletions
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compiler/testdata/interface.ll
Vendored
+5 -3
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@@ -9,12 +9,14 @@ target triple = "wasm32-unknown-wasi"
@"reflect/types.type:basic:int" = linkonce_odr constant { i8, ptr } { i8 -62, ptr @"reflect/types.type:pointer:basic:int" }, align 4
@"reflect/types.type:pointer:basic:int" = linkonce_odr constant { i8, i16, ptr } { i8 -43, i16 0, ptr @"reflect/types.type:basic:int" }, align 4
@"reflect/types.type:pointer:named:error" = linkonce_odr constant { i8, i16, ptr } { i8 -43, i16 0, ptr @"reflect/types.type:named:error" }, align 4
@"reflect/types.type:named:error" = linkonce_odr constant { i8, i16, ptr, ptr, ptr, [7 x i8] } { i8 116, i16 1, ptr @"reflect/types.type:pointer:named:error", ptr @"reflect/types.type:interface:{Error:func:{}{basic:string}}", ptr @"reflect/types.type.pkgpath.empty", [7 x i8] c".error\00" }, align 4
@"reflect/types.signature:Error:func:{}{basic:string}" = linkonce_odr constant i8 0, align 1
@"reflect/types.type:named:error" = linkonce_odr constant { i8, i16, ptr, ptr, ptr, { i32, [1 x ptr] }, [7 x i8] } { i8 116, i16 -32767, ptr @"reflect/types.type:pointer:named:error", ptr @"reflect/types.type:interface:{Error:func:{}{basic:string}}", ptr @"reflect/types.type.pkgpath.empty", { i32, [1 x ptr] } { i32 1, [1 x ptr] [ptr @"reflect/types.signature:Error:func:{}{basic:string}"] }, [7 x i8] c".error\00" }, align 4
@"reflect/types.type.pkgpath.empty" = linkonce_odr unnamed_addr constant [1 x i8] zeroinitializer, align 1
@"reflect/types.type:interface:{Error:func:{}{basic:string}}" = linkonce_odr constant { i8, ptr } { i8 84, ptr @"reflect/types.type:pointer:interface:{Error:func:{}{basic:string}}" }, align 4
@"reflect/types.type:interface:{Error:func:{}{basic:string}}" = linkonce_odr constant { i8, ptr, { i32, [1 x ptr] } } { i8 84, ptr @"reflect/types.type:pointer:interface:{Error:func:{}{basic:string}}", { i32, [1 x ptr] } { i32 1, [1 x ptr] [ptr @"reflect/types.signature:Error:func:{}{basic:string}"] } }, align 4
@"reflect/types.type:pointer:interface:{Error:func:{}{basic:string}}" = linkonce_odr constant { i8, i16, ptr } { i8 -43, i16 0, ptr @"reflect/types.type:interface:{Error:func:{}{basic:string}}" }, align 4
@"reflect/types.type:pointer:interface:{String:func:{}{basic:string}}" = linkonce_odr constant { i8, i16, ptr } { i8 -43, i16 0, ptr @"reflect/types.type:interface:{String:func:{}{basic:string}}" }, align 4
@"reflect/types.type:interface:{String:func:{}{basic:string}}" = linkonce_odr constant { i8, ptr } { i8 84, ptr @"reflect/types.type:pointer:interface:{String:func:{}{basic:string}}" }, align 4
@"reflect/types.signature:String:func:{}{basic:string}" = linkonce_odr constant i8 0, align 1
@"reflect/types.type:interface:{String:func:{}{basic:string}}" = linkonce_odr constant { i8, ptr, { i32, [1 x ptr] } } { i8 84, ptr @"reflect/types.type:pointer:interface:{String:func:{}{basic:string}}", { i32, [1 x ptr] } { i32 1, [1 x ptr] [ptr @"reflect/types.signature:String:func:{}{basic:string}"] } }, align 4
@"reflect/types.typeid:basic:int" = external constant i8
; Function Attrs: allockind("alloc,zeroed") allocsize(0)