Brummel
937782e36d
Lifts the Int-only restriction on `==`. Declared type becomes
forall a. Fn(a, a) -> Bool; codegen monomorphises and dispatches:
Int → icmp eq i64
Bool → icmp eq i1
Str → call @strcmp + icmp eq i32 0
Unit → constant true (operands still emitted for side effects)
ADT / Fn / other → CodegenError::Internal
This unblocks 16c's build_eq for non-Int lit patterns. == joins
__unreachable__ as the second polymorphic builtin (same Forall
machinery).
- check/builtins.rs: == registered as Forall(a, Fn(a, a) -> Bool).
- codegen: lower_eq dispatch table; @strcmp declared in IR header
alongside @printf/@GC_malloc/@puts.
- examples/eq_demo.{ailx,ail.json}: covers all four supported
scalars including a Str-lit-pattern match.
- IR snapshots refreshed: only +declare i32 @strcmp(ptr, ptr) in
the header; every define body bit-identical.
- e2e + check + codegen tests: 124 → 133 (+9, of which +1 is the
e2e fixture and the rest exercise the new dispatch / typecheck
surface).
Other comparison ops (<, <=, >, >=, !=) remain Int-only — out of
scope for this iter.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
44 lines
1.1 KiB
LLVM
44 lines
1.1 KiB
LLVM
; AILang generated workspace; entry: ws_main
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source_filename = "ws_main.ail"
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target triple = "<NORMALIZED>"
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@.str_ws_main_fmt_int_0 = private unnamed_addr constant [6 x i8] c"%lld\0A\00", align 1
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declare i32 @printf(ptr, ...)
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declare i32 @puts(ptr)
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declare ptr @GC_malloc(i64)
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declare i32 @strcmp(ptr, ptr)
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@ail_ws_lib_add_clos = private unnamed_addr constant { ptr, ptr } { ptr @ail_ws_lib_add_adapter, ptr null }
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@ail_ws_main_main_clos = private unnamed_addr constant { ptr, ptr } { ptr @ail_ws_main_main_adapter, ptr null }
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define i64 @ail_ws_lib_add(i64 %arg_a, i64 %arg_b) {
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entry:
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%v1 = add i64 %arg_a, %arg_b
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ret i64 %v1
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}
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define i64 @ail_ws_lib_add_adapter(ptr %_env, i64 %a0, i64 %a1) {
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entry:
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%r = call i64 @ail_ws_lib_add(i64 %a0, i64 %a1)
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ret i64 %r
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}
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define i8 @ail_ws_main_main() {
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entry:
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%v1 = call i64 @ail_ws_lib_add(i64 2, i64 3)
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call i32 (ptr, ...) @printf(ptr @.str_ws_main_fmt_int_0, i64 %v1)
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ret i8 0
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}
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define i8 @ail_ws_main_main_adapter(ptr %_env) {
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entry:
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%r = call i8 @ail_ws_main_main()
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ret i8 %r
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}
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define i32 @main() {
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call i8 @ail_ws_main_main()
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ret i32 0
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}
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