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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/function/import/pointer.carbon
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+86
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@@ -486,6 +486,8 @@ fn F() {
// CHECK:STDOUT: %S.cpp_destructor.bound: <bound method> = bound_method %s.var, constants.%S.cpp_destructor
// CHECK:STDOUT: %S.cpp_destructor.call: init %empty_tuple.type = call %S.cpp_destructor.bound(%s.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_non_nullable_pointer_param_using_const_pointer.carbon
@@ -550,6 +552,8 @@ fn F() {
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %p.var, constants.%Destroy.Op.1a2547.2
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%p.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc10_3.1(%self.param: ref %ptr) = "no_op";
@@ -557,6 +561,8 @@ fn F() {
// CHECK:STDOUT: fn @Destroy.Op.loc10_3.2(%self.param: ref %const) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_double_non_nullable_pointer_param.carbon
@@ -658,6 +664,8 @@ fn F() {
// CHECK:STDOUT: %S.cpp_destructor.bound: <bound method> = bound_method %s.var, constants.%S.cpp_destructor
// CHECK:STDOUT: %S.cpp_destructor.call: init %empty_tuple.type = call %S.cpp_destructor.bound(%s.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op(%self.param: ref %ptr.037) = "no_op";
@@ -722,11 +730,15 @@ fn F() {
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %s.var, constants.%Destroy.Op
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%s.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op(%self.param: ref %const) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_non_nullable_pointer_to_const_param_using_non_const.carbon
@@ -791,6 +803,8 @@ fn F() {
// CHECK:STDOUT: %S.cpp_destructor.bound: <bound method> = bound_method %s.var, constants.%S.cpp_destructor
// CHECK:STDOUT: %S.cpp_destructor.call: init %empty_tuple.type = call %S.cpp_destructor.bound(%s.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_const_non_nullable_pointer_param_using_const.carbon
@@ -855,6 +869,8 @@ fn F() {
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %p.var, constants.%Destroy.Op.1a2547.2
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%p.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc10_3.1(%self.param: ref %ptr) = "no_op";
@@ -862,6 +878,8 @@ fn F() {
// CHECK:STDOUT: fn @Destroy.Op.loc10_3.2(%self.param: ref %const) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_const_non_nullable_pointer_param_using_non_const.carbon
@@ -922,6 +940,8 @@ fn F() {
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %p.var, constants.%Destroy.Op
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%p.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op(%self.param: ref %ptr) = "no_op";
@@ -1060,26 +1080,36 @@ fn F() {
// CHECK:STDOUT: %Destroy.Op.bound.loc10: <bound method> = bound_method %p.var, constants.%Destroy.Op.1a2547.5
// CHECK:STDOUT: %Destroy.Op.call.loc10: init %empty_tuple.type = call %Destroy.Op.bound.loc10(%p.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc11_11.1(%self.param: ref %.08a0) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc11_11.2(%self.param: ref %MaybeUnformed.9f2) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc11_11.3(%self.param: ref %Optional.659) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc10(%self.param: ref %const.f96) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_const_nullable_pointer_param_using_non_const.carbon
@@ -1204,21 +1234,29 @@ fn F() {
// CHECK:STDOUT: %Destroy.Op.bound.loc10: <bound method> = bound_method %p.var, constants.%Destroy.Op.1a2547.1
// CHECK:STDOUT: %Destroy.Op.call.loc10: init %empty_tuple.type = call %Destroy.Op.bound.loc10(%p.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc11_11.1(%self.param: ref %.08a0) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc11_11.2(%self.param: ref %MaybeUnformed.9f2) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc11_11.3(%self.param: ref %Optional.659) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_non_nullable_pointer_return.carbon
@@ -1263,6 +1301,8 @@ fn F() {
// CHECK:STDOUT: %foo.ref.loc11: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo.call.loc11: init %ptr = call imports.%foo.decl()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_double_pointer_return.carbon
@@ -1308,6 +1348,8 @@ fn F() {
// CHECK:STDOUT: %foo.ref.loc11: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo.call.loc11: init %ptr.65c = call imports.%foo.decl()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_const_non_nullable_pointer_return.carbon
@@ -1353,6 +1395,8 @@ fn F() {
// CHECK:STDOUT: %foo.ref.loc11: %foo.cpp_overload_set.type = name_ref foo, imports.%foo.cpp_overload_set.value [concrete = constants.%foo.cpp_overload_set.value]
// CHECK:STDOUT: %foo.call.loc11: init %ptr = call imports.%foo.decl()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- non_nullable_pointer_arg_to_pointer_param.carbon
@@ -1480,21 +1524,29 @@ fn F() {
// CHECK:STDOUT: %S.cpp_destructor.bound: <bound method> = bound_method %s.var, constants.%S.cpp_destructor
// CHECK:STDOUT: %S.cpp_destructor.call: init %empty_tuple.type = call %S.cpp_destructor.bound(%s.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc9_11.1(%self.param: ref %.08a0) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc9_11.2(%self.param: ref %MaybeUnformed.9f2) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc9_11.3(%self.param: ref %Optional.659) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- null_pointer_arg_to_pointer_param.carbon
@@ -1597,21 +1649,29 @@ fn F() {
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %.loc8_38.2, constants.%Destroy.Op.1a2547.4
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_38.2)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc8_38.1(%self.param: ref %.08a) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc8_38.2(%self.param: ref %MaybeUnformed.9f2) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc8_38.3(%self.param: ref %Optional.db1) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- nonnull_pointer_arg_to_pointer_param.carbon
@@ -1744,21 +1804,29 @@ fn F() {
// CHECK:STDOUT: %S.cpp_destructor.bound: <bound method> = bound_method %s.var, constants.%S.cpp_destructor
// CHECK:STDOUT: %S.cpp_destructor.call: init %empty_tuple.type = call %S.cpp_destructor.bound(%s.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc9_40.1(%self.param: ref %.08a0) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc9_40.2(%self.param: ref %MaybeUnformed.9f2) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc9_40.3(%self.param: ref %Optional.659) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- forward_nullable_pointer.carbon
@@ -1845,21 +1913,29 @@ fn F() {
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %.loc8_19.2, constants.%Destroy.Op.1a2547.4
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%.loc8_19.2)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc8_19.1(%self.param: ref %.08a) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc8_19.2(%self.param: ref %MaybeUnformed.9f2) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc8_19.3(%self.param: ref %Optional.19d) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_deduced_any_param_as_pointer.carbon
@@ -1934,6 +2010,8 @@ fn F() {
// CHECK:STDOUT: %S.cpp_destructor.bound: <bound method> = bound_method %s.var, constants.%S.cpp_destructor
// CHECK:STDOUT: %S.cpp_destructor.call: init %empty_tuple.type = call %S.cpp_destructor.bound(%s.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_deduced_pointer_param_as_pointer.carbon
@@ -2127,20 +2205,28 @@ fn F() {
// CHECK:STDOUT: %S.cpp_destructor.bound: <bound method> = bound_method %s.var, constants.%S.cpp_destructor
// CHECK:STDOUT: %S.cpp_destructor.call: init %empty_tuple.type = call %S.cpp_destructor.bound(%s.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc13_65.1(%self.param: ref %.08a0) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc13_65.2(%self.param: ref %MaybeUnformed.9f2) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op.loc13_65.3(%self.param: ref %Optional.659) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT:
// CHECK:STDOUT: !observes:
// CHECK:STDOUT: }
// CHECK:STDOUT: