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Implement checking observe declarations (#6709)

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This adds SemIR structs and implements building `observe` lists, as well
as naming, formatting, and importing `observe` declarations.

---------

Co-authored-by: Dana Jansens <danakj@orodu.net>
This commit is contained in:
Özgür T. Önsoy
2026-07-08 17:07:10 +00:00
committed by GitHub
co-authored by Dana Jansens
parent 918bb9364f
commit 08385adeb5
713 changed files with 13013 additions and 13 deletions
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toolchain/check/testdata/interop/cpp/macros/macros.carbon
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@@ -1059,6 +1059,8 @@ fn F() {
// CHECK:STDOUT: %f.patt: %pattern_type.6b6 = value_binding_pattern f [concrete = constants.%f.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_macro_and_non_macro_same_name.carbon
@@ -1183,6 +1185,8 @@ fn F() {
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %a.var, constants.%Destroy.Op.1a2547.3
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%a.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc10_3.1(%self.param: ref %f32.9b3) = "no_op";
@@ -1190,11 +1194,15 @@ fn F() {
// CHECK:STDOUT: fn @Destroy.Op.loc10_3.2(%self.param: ref %f32.c73) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc10_3.3(%self.param: ref %array_type) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_unary_operator.carbon
@@ -1225,6 +1233,8 @@ fn F() {
// CHECK:STDOUT: %a.patt: %pattern_type.6b6 = value_binding_pattern a [concrete = constants.%a.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_binary_operator.carbon
@@ -1255,6 +1265,8 @@ fn F() {
// CHECK:STDOUT: %a.patt: %pattern_type.6b6 = value_binding_pattern a [concrete = constants.%a.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_casting.carbon
@@ -1320,6 +1332,8 @@ fn F() {
// CHECK:STDOUT: %d.patt: %pattern_type.6b6 = value_binding_pattern d [concrete = constants.%d.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_nested_macros.carbon
@@ -1350,6 +1364,8 @@ fn F() {
// CHECK:STDOUT: %a.patt: %pattern_type.6b6 = value_binding_pattern a [concrete = constants.%a.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_string_literal_object_like_macro.carbon
@@ -1461,6 +1477,8 @@ fn F() {
// CHECK:STDOUT: %g.patt: %pattern_type.adf = value_binding_pattern g [concrete = constants.%g.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_floating_point_literal_macro.carbon
@@ -1516,6 +1534,8 @@ fn F() {
// CHECK:STDOUT: %c.patt: %pattern_type.240 = value_binding_pattern c [concrete = constants.%c.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_character_literals.carbon
@@ -1600,6 +1620,8 @@ fn F() {
// CHECK:STDOUT: %f.patt: %pattern_type.2ff = value_binding_pattern f [concrete = constants.%f.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_character_literals_operators.carbon
@@ -1654,6 +1676,8 @@ fn F() {
// CHECK:STDOUT: %c.patt: %pattern_type.831 = value_binding_pattern c [concrete = constants.%c.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_boolean_literal_macro.carbon
@@ -1779,6 +1803,8 @@ fn F() {
// CHECK:STDOUT: %k.patt: %pattern_type.6b6 = value_binding_pattern k [concrete = constants.%k.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- nullptr.carbon
@@ -1878,21 +1904,29 @@ fn F() {
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %.loc11_14.3, constants.%Destroy.Op.1a2547.5
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc11_14.3)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc11_14.1(%self.param: ref %.0f8) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc11_14.2(%self.param: ref %MaybeUnformed.b84) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc11_14.3(%self.param: ref %Optional.a18) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- enums.carbon
@@ -1926,6 +1960,8 @@ fn F() {
// CHECK:STDOUT: %a.patt: %pattern_type = value_binding_pattern a [concrete = constants.%a.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- constexpr_int.carbon
@@ -1968,6 +2004,8 @@ fn F() {
// CHECK:STDOUT: %a.patt: %pattern_type.6b6 = value_binding_pattern a [concrete = constants.%a.patt.bb2]
// CHECK:STDOUT: }
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- constexpr_int_addr.carbon
@@ -2014,6 +2052,8 @@ fn F() {
// CHECK:STDOUT: %N.ref: ref %const = name_ref N, imports.%n.var [concrete = imports.%n.var]
// CHECK:STDOUT: %addr: %ptr = addr_of %N.ref [concrete = constants.%addr]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- lambda.carbon
@@ -2044,6 +2084,8 @@ fn F() {
// CHECK:STDOUT: %i.patt: %pattern_type.6b6 = value_binding_pattern i [concrete = constants.%i.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_macro_redefined.carbon
@@ -2074,6 +2116,8 @@ fn F() {
// CHECK:STDOUT: %a.patt: %pattern_type.6b6 = value_binding_pattern a [concrete = constants.%a.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_macro_defined_twice.carbon
@@ -2104,6 +2148,8 @@ fn F() {
// CHECK:STDOUT: %a.patt: %pattern_type.6b6 = value_binding_pattern a [concrete = constants.%a.patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- assign.carbon
@@ -2157,6 +2203,8 @@ fn F() {
// CHECK:STDOUT: %.loc10: init %i32 = converted %int_2, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call [concrete = constants.%int_2.295]
// CHECK:STDOUT: assign %m.ref, %.loc10
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- assign_subobject.carbon
@@ -2220,5 +2268,7 @@ fn F() {
// CHECK:STDOUT: %.loc17_9: init %i32 = converted %int_2, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call [concrete = constants.%int_2.295]
// CHECK:STDOUT: assign %m.ref, %.loc17_9
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT: