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Classify decorated built-in types as trivially destructible (#7847)

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Types like constant pointers and `MaybeUnformed(i32)` should have
trivial destruction, but were classified as non-trivially destructible.
This commit is contained in:
Christopher Di Bella
2026-09-28 23:16:19 +00:00
committed by GitHub
parent b227419d8d
commit 6abcfa24b2
167 changed files with 11169 additions and 17019 deletions
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toolchain/check/testdata/pointer/basic.carbon
Vendored
+12 -45
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@@ -35,7 +35,6 @@ fn F() -> i32 {
// CHECK:STDOUT: %return.patt.e1b: %pattern_type.6b6 = return_slot_pattern %return.param_patt.a9a, %i32 [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %i32.builtin: type = int_type signed, %int_32 [concrete]
// CHECK:STDOUT: %n.patt: %pattern_type.6b6 = ref_binding_pattern n [concrete]
// CHECK:STDOUT: %n.var_patt: %pattern_type.6b6 = var_pattern %n.patt [concrete]
// CHECK:STDOUT: %int_0.5c6: Core.IntLiteral = int_value 0 [concrete]
@@ -88,21 +87,14 @@ fn F() -> i32 {
// CHECK:STDOUT: %Destroy.WithSelf.Op.403171.1: %Destroy.WithSelf.Op.type.ef016f.1 = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.type.fbceb5.1: type = fn_type @Destroy.WithSelf.SelfDestruct.loc17 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.db3fdb.1: %Destroy.WithSelf.SelfDestruct.type.fbceb5.1 = struct_value () [concrete]
// CHECK:STDOUT: %pattern_type.956: type = pattern_type %i32.builtin [concrete]
// CHECK:STDOUT: %self.param_patt.331: %pattern_type.956 = ref_param_pattern [concrete]
// CHECK:STDOUT: %self.patt.319: %pattern_type.956 = wrapper_binding_pattern self, %self.param_patt.331 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SubobjectDestroy.type.dfcbdb.2: type = fn_type @Destroy.WithSelf.SubobjectDestroy.loc16_3.1 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SubobjectDestroy.d01daf.2: %Destroy.WithSelf.SubobjectDestroy.type.dfcbdb.2 = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.type.ef016f.2: type = fn_type @Destroy.WithSelf.Op.loc16_3.1 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.403171.2: %Destroy.WithSelf.Op.type.ef016f.2 = struct_value () [concrete]
// CHECK:STDOUT: %self.param_patt.705: %pattern_type.6b6 = ref_param_pattern [concrete]
// CHECK:STDOUT: %self.patt.70d: %pattern_type.6b6 = wrapper_binding_pattern self, %self.param_patt.705 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SubobjectDestroy.type.dfcbdb.3: type = fn_type @Destroy.WithSelf.SubobjectDestroy.loc16_3.2 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SubobjectDestroy.d01daf.3: %Destroy.WithSelf.SubobjectDestroy.type.dfcbdb.3 = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.type.ef016f.3: type = fn_type @Destroy.WithSelf.Op.loc16_3.2 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.403171.3: %Destroy.WithSelf.Op.type.ef016f.3 = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.type.fbceb5.3: type = fn_type @Destroy.WithSelf.SelfDestruct.loc16_3.2 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.db3fdb.3: %Destroy.WithSelf.SelfDestruct.type.fbceb5.3 = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SubobjectDestroy.type.dfcbdb.2: type = fn_type @Destroy.WithSelf.SubobjectDestroy.loc16 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SubobjectDestroy.d01daf.2: %Destroy.WithSelf.SubobjectDestroy.type.dfcbdb.2 = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.type.ef016f.2: type = fn_type @Destroy.WithSelf.Op.loc16 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.403171.2: %Destroy.WithSelf.Op.type.ef016f.2 = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.type.fbceb5.2: type = fn_type @Destroy.WithSelf.SelfDestruct.loc16 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.db3fdb.2: %Destroy.WithSelf.SelfDestruct.type.fbceb5.2 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
@@ -141,28 +133,14 @@ fn F() -> i32 {
// CHECK:STDOUT: %self.param: ref %ptr.d08 = ref_param call_param0
// CHECK:STDOUT: %self: ref %ptr.d08 = wrapper_binding self, %self.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %Destroy.WithSelf.SubobjectDestroy.decl.763c71.2: %Destroy.WithSelf.SubobjectDestroy.type.dfcbdb.2 = fn_decl @Destroy.WithSelf.SubobjectDestroy.loc16_3.1 [concrete = constants.%Destroy.WithSelf.SubobjectDestroy.d01daf.2] {
// CHECK:STDOUT: %self.param_patt: %pattern_type.956 = ref_param_pattern [concrete = constants.%self.param_patt.331]
// CHECK:STDOUT: %self.patt: %pattern_type.956 = wrapper_binding_pattern self, %self.param_patt [concrete = constants.%self.patt.319]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %self.param: ref %i32.builtin = ref_param call_param0
// CHECK:STDOUT: %self: ref %i32.builtin = wrapper_binding self, %self.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %Destroy.WithSelf.Op.decl.5f94cf.2: %Destroy.WithSelf.Op.type.ef016f.2 = fn_decl @Destroy.WithSelf.Op.loc16_3.1 [concrete = constants.%Destroy.WithSelf.Op.403171.2] {
// CHECK:STDOUT: %self.param_patt: %pattern_type.956 = ref_param_pattern [concrete = constants.%self.param_patt.331]
// CHECK:STDOUT: %self.patt: %pattern_type.956 = wrapper_binding_pattern self, %self.param_patt [concrete = constants.%self.patt.319]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %self.param: ref %i32.builtin = ref_param call_param0
// CHECK:STDOUT: %self: ref %i32.builtin = wrapper_binding self, %self.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %Destroy.WithSelf.SubobjectDestroy.decl.763c71.3: %Destroy.WithSelf.SubobjectDestroy.type.dfcbdb.3 = fn_decl @Destroy.WithSelf.SubobjectDestroy.loc16_3.2 [concrete = constants.%Destroy.WithSelf.SubobjectDestroy.d01daf.3] {
// CHECK:STDOUT: %Destroy.WithSelf.SubobjectDestroy.decl.763c71.2: %Destroy.WithSelf.SubobjectDestroy.type.dfcbdb.2 = fn_decl @Destroy.WithSelf.SubobjectDestroy.loc16 [concrete = constants.%Destroy.WithSelf.SubobjectDestroy.d01daf.2] {
// CHECK:STDOUT: %self.param_patt: %pattern_type.6b6 = ref_param_pattern [concrete = constants.%self.param_patt.705]
// CHECK:STDOUT: %self.patt: %pattern_type.6b6 = wrapper_binding_pattern self, %self.param_patt [concrete = constants.%self.patt.70d]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %self.param: ref %i32 = ref_param call_param0
// CHECK:STDOUT: %self: ref %i32 = wrapper_binding self, %self.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %Destroy.WithSelf.Op.decl.5f94cf.3: %Destroy.WithSelf.Op.type.ef016f.3 = fn_decl @Destroy.WithSelf.Op.loc16_3.2 [concrete = constants.%Destroy.WithSelf.Op.403171.3] {
// CHECK:STDOUT: %Destroy.WithSelf.Op.decl.5f94cf.2: %Destroy.WithSelf.Op.type.ef016f.2 = fn_decl @Destroy.WithSelf.Op.loc16 [concrete = constants.%Destroy.WithSelf.Op.403171.2] {
// CHECK:STDOUT: %self.param_patt: %pattern_type.6b6 = ref_param_pattern [concrete = constants.%self.param_patt.705]
// CHECK:STDOUT: %self.patt: %pattern_type.6b6 = wrapper_binding_pattern self, %self.param_patt [concrete = constants.%self.patt.70d]
// CHECK:STDOUT: } {
@@ -234,7 +212,7 @@ fn F() -> i32 {
// CHECK:STDOUT: %Int.as.Copy.impl.Op.call: init %i32 = call %bound_method.loc19_10.2(%.loc19_10.2)
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.bound.loc17: <bound method> = bound_method %p.var, constants.%Destroy.WithSelf.SelfDestruct.db3fdb.1
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.call.loc17: init %empty_tuple.type = call %Destroy.WithSelf.SelfDestruct.bound.loc17(%p.var)
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.bound.loc16: <bound method> = bound_method %n.var, constants.%Destroy.WithSelf.SelfDestruct.db3fdb.3
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.bound.loc16: <bound method> = bound_method %n.var, constants.%Destroy.WithSelf.SelfDestruct.db3fdb.2
// CHECK:STDOUT: %Destroy.WithSelf.SelfDestruct.call.loc16: init %empty_tuple.type = call %Destroy.WithSelf.SelfDestruct.bound.loc16(%n.var)
// CHECK:STDOUT: return %Int.as.Copy.impl.Op.call
// CHECK:STDOUT: }
@@ -250,25 +228,14 @@ fn F() -> i32 {
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.WithSelf.SubobjectDestroy.loc16_3.1(%self.param: ref %i32.builtin) = "no_op";
// CHECK:STDOUT: fn @Destroy.WithSelf.SubobjectDestroy.loc16(%self.param: ref %i32) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.WithSelf.Op.loc16_3.1(%self.param: ref %i32.builtin) = "no_op";
// CHECK:STDOUT: fn @Destroy.WithSelf.Op.loc16(%self.param: ref %i32) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.WithSelf.SelfDestruct.loc16_3.1(%self.param: ref %i32.builtin) {
// CHECK:STDOUT: fn @Destroy.WithSelf.SelfDestruct.loc16(%self.param: ref %i32) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Destroy.WithSelf.Op.call: init %empty_tuple.type = call generated.%Destroy.WithSelf.Op.decl.5f94cf.2(%self.param)
// CHECK:STDOUT: %Destroy.WithSelf.SubobjectDestroy.call: init %empty_tuple.type = call generated.%Destroy.WithSelf.SubobjectDestroy.decl.763c71.2(%self.param)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.WithSelf.SubobjectDestroy.loc16_3.2(%self.param: ref %i32) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.WithSelf.Op.loc16_3.2(%self.param: ref %i32) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.WithSelf.SelfDestruct.loc16_3.2(%self.param: ref %i32) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Destroy.WithSelf.Op.call: init %empty_tuple.type = call generated.%Destroy.WithSelf.Op.decl.5f94cf.3(%self.param)
// CHECK:STDOUT: %Destroy.WithSelf.SubobjectDestroy.call: init %empty_tuple.type = call generated.%Destroy.WithSelf.SubobjectDestroy.decl.763c71.3(%self.param)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: