Switch to using Core.BigInt as the type of the size of a type literal. (#4450)

This removes one of the few ways in which `i32` is special and gets us
closer to removing it as a special case.
This commit is contained in:
Richard Smith
2024-10-28 23:35:08 +00:00
committed by GitHub
parent 7ec8ceac73
commit df68bf9f71
29 changed files with 485 additions and 448 deletions
+49 -48
View File
@@ -8,18 +8,21 @@
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/generic/resolve_used.carbon
// --- fail_call_monomorphization_error.carbon
// --- fail_todo_call_monomorphization_error.carbon
library "[[@TEST_NAME]]";
fn ErrorIfNIsZero(N:! i32) {
// TODO: This declaration should be accepted, and the `var v` below should be
// rejected during monomorphization, once integer literals have the type
// `Core.IntLiteral(N)` as described in the design.
// CHECK:STDERR: fail_todo_call_monomorphization_error.carbon:[[@LINE+3]]:41: error: name `IntLiteral` not found [NameNotFound]
// CHECK:STDERR: fn ErrorIfNIsZero[N:! Core.BigInt()](n: Core.IntLiteral(N)) {
// CHECK:STDERR: ^~~~~~~~~~~~~~~
fn ErrorIfNIsZero[N:! Core.BigInt()](n: Core.IntLiteral(N)) {
// Check that we resolve the definition of a used specific function by
// ensuring we produce an error when doing so. Notionally this error is
// produced as a result of instantiating the `Core.Int` template, although
// that's not how we currently model `Core.Int`.
// CHECK:STDERR: fail_call_monomorphization_error.carbon:[[@LINE+3]]:10: error: integer type width of 0 is not positive [IntWidthNotPositive]
// CHECK:STDERR: var v: Core.Int(N);
// CHECK:STDERR: ^~~~~~~~~
var v: Core.Int(N);
}
@@ -27,14 +30,14 @@ fn CallNegative() {
ErrorIfNIsZero(0);
}
// CHECK:STDOUT: --- fail_call_monomorphization_error.carbon
// CHECK:STDOUT: --- fail_todo_call_monomorphization_error.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Int32.type: type = fn_type @Int32 [template]
// CHECK:STDOUT: %BigInt.type: type = fn_type @BigInt [template]
// CHECK:STDOUT: %.1: type = tuple_type () [template]
// CHECK:STDOUT: %Int32: %Int32.type = struct_value () [template]
// CHECK:STDOUT: %N: i32 = bind_symbolic_name N, 0 [symbolic]
// CHECK:STDOUT: %N.patt: i32 = symbolic_binding_pattern N, 0 [symbolic]
// CHECK:STDOUT: %BigInt: %BigInt.type = struct_value () [template]
// CHECK:STDOUT: %N: Core.BigInt = bind_symbolic_name N, 0 [symbolic]
// CHECK:STDOUT: %N.patt: Core.BigInt = symbolic_binding_pattern N, 0 [symbolic]
// CHECK:STDOUT: %ErrorIfNIsZero.type: type = fn_type @ErrorIfNIsZero [template]
// CHECK:STDOUT: %ErrorIfNIsZero: %ErrorIfNIsZero.type = struct_value () [template]
// CHECK:STDOUT: %Int.type: type = fn_type @Int [template]
@@ -43,12 +46,11 @@ fn CallNegative() {
// CHECK:STDOUT: %CallNegative.type: type = fn_type @CallNegative [template]
// CHECK:STDOUT: %CallNegative: %CallNegative.type = struct_value () [template]
// CHECK:STDOUT: %.3: i32 = int_literal 0 [template]
// CHECK:STDOUT: %.4: <specific function> = specific_function %ErrorIfNIsZero, @ErrorIfNIsZero(%.3) [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Int32 = %import_ref.1
// CHECK:STDOUT: .BigInt = %import_ref.1
// CHECK:STDOUT: .Int = %import_ref.2
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/operators
@@ -59,8 +61,8 @@ fn CallNegative() {
// CHECK:STDOUT: import Core//prelude/operators/comparison
// CHECK:STDOUT: import Core//prelude/types/bool
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref.1: %Int32.type = import_ref Core//prelude/types, inst+15, loaded [template = constants.%Int32]
// CHECK:STDOUT: %import_ref.2: %Int.type = import_ref Core//prelude/types, inst+29, loaded [template = constants.%Int]
// CHECK:STDOUT: %import_ref.1: %BigInt.type = import_ref Core//prelude/types, inst+7, loaded [template = constants.%BigInt]
// CHECK:STDOUT: %import_ref.2: %Int.type = import_ref Core//prelude/types, inst+30, loaded [template = constants.%Int]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
@@ -71,62 +73,61 @@ fn CallNegative() {
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %ErrorIfNIsZero.decl: %ErrorIfNIsZero.type = fn_decl @ErrorIfNIsZero [template = constants.%ErrorIfNIsZero] {
// CHECK:STDOUT: %N.patt.loc4_19.1: i32 = symbolic_binding_pattern N, 0 [symbolic = %N.patt.loc4_19.2 (constants.%N.patt)]
// CHECK:STDOUT: %N.param_patt: i32 = value_param_pattern %N.patt.loc4_19.1, runtime_param<invalid> [symbolic = %N.patt.loc4_19.2 (constants.%N.patt)]
// CHECK:STDOUT: %N.patt.loc10_19.1: Core.BigInt = symbolic_binding_pattern N, 0 [symbolic = %N.patt.loc10_19.2 (constants.%N.patt)]
// CHECK:STDOUT: %N.param_patt: Core.BigInt = value_param_pattern %N.patt.loc10_19.1, runtime_param<invalid> [symbolic = %N.patt.loc10_19.2 (constants.%N.patt)]
// CHECK:STDOUT: %n.patt: <error> = binding_pattern n
// CHECK:STDOUT: %n.param_patt: <error> = value_param_pattern %n.patt, runtime_param0
// CHECK:STDOUT: } {
// CHECK:STDOUT: %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc4_23.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT: %.loc4_23.2: type = converted %int.make_type_32, %.loc4_23.1 [template = i32]
// CHECK:STDOUT: %N.param: i32 = value_param runtime_param<invalid>
// CHECK:STDOUT: %N.loc4_19.1: i32 = bind_symbolic_name N, 0, %N.param [symbolic = %N.loc4_19.2 (constants.%N)]
// CHECK:STDOUT: %Core.ref.loc10_23: <namespace> = name_ref Core, imports.%Core [template = imports.%Core]
// CHECK:STDOUT: %BigInt.ref: %BigInt.type = name_ref BigInt, imports.%import_ref.1 [template = constants.%BigInt]
// CHECK:STDOUT: %big_int.make_type: init type = call %BigInt.ref() [template = Core.BigInt]
// CHECK:STDOUT: %.loc10_35.1: type = value_of_initializer %big_int.make_type [template = Core.BigInt]
// CHECK:STDOUT: %.loc10_35.2: type = converted %big_int.make_type, %.loc10_35.1 [template = Core.BigInt]
// CHECK:STDOUT: %Core.ref.loc10_41: <namespace> = name_ref Core, imports.%Core [template = imports.%Core]
// CHECK:STDOUT: %IntLiteral.ref: <error> = name_ref IntLiteral, <error> [template = <error>]
// CHECK:STDOUT: %N.ref.loc10: Core.BigInt = name_ref N, %N.loc10_19.1 [symbolic = %N.loc10_19.2 (constants.%N)]
// CHECK:STDOUT: %N.param: Core.BigInt = value_param runtime_param<invalid>
// CHECK:STDOUT: %N.loc10_19.1: Core.BigInt = bind_symbolic_name N, 0, %N.param [symbolic = %N.loc10_19.2 (constants.%N)]
// CHECK:STDOUT: %n.param: <error> = value_param runtime_param0
// CHECK:STDOUT: %n: <error> = bind_name n, %n.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %CallNegative.decl: %CallNegative.type = fn_decl @CallNegative [template = constants.%CallNegative] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
// CHECK:STDOUT: fn @BigInt() -> type = "big_int.make_type";
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @ErrorIfNIsZero(%N.loc4_19.1: i32) {
// CHECK:STDOUT: %N.loc4_19.2: i32 = bind_symbolic_name N, 0 [symbolic = %N.loc4_19.2 (constants.%N)]
// CHECK:STDOUT: %N.patt.loc4_19.2: i32 = symbolic_binding_pattern N, 0 [symbolic = %N.patt.loc4_19.2 (constants.%N.patt)]
// CHECK:STDOUT: generic fn @ErrorIfNIsZero(%N.loc10_19.1: Core.BigInt) {
// CHECK:STDOUT: %N.loc10_19.2: Core.BigInt = bind_symbolic_name N, 0 [symbolic = %N.loc10_19.2 (constants.%N)]
// CHECK:STDOUT: %N.patt.loc10_19.2: Core.BigInt = symbolic_binding_pattern N, 0 [symbolic = %N.patt.loc10_19.2 (constants.%N.patt)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %.loc12_18: type = int_type signed, %N.loc4_19.2 [symbolic = %.loc12_18 (constants.%.2)]
// CHECK:STDOUT: %.loc15_18: type = int_type signed, %N.loc10_19.2 [symbolic = %.loc15_18 (constants.%.2)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%N.param_patt: i32) {
// CHECK:STDOUT: fn[%N.param_patt: Core.BigInt](%n.param_patt: <error>) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Core.ref: <namespace> = name_ref Core, imports.%Core [template = imports.%Core]
// CHECK:STDOUT: %Core.ref.loc15: <namespace> = name_ref Core, imports.%Core [template = imports.%Core]
// CHECK:STDOUT: %Int.ref: %Int.type = name_ref Int, imports.%import_ref.2 [template = constants.%Int]
// CHECK:STDOUT: %N.ref: i32 = name_ref N, %N.loc4_19.1 [symbolic = %N.loc4_19.2 (constants.%N)]
// CHECK:STDOUT: %int.make_type_signed: init type = call %Int.ref(%N.ref) [symbolic = %.loc12_18 (constants.%.2)]
// CHECK:STDOUT: %.loc12_20.1: type = value_of_initializer %int.make_type_signed [symbolic = %.loc12_18 (constants.%.2)]
// CHECK:STDOUT: %.loc12_20.2: type = converted %int.make_type_signed, %.loc12_20.1 [symbolic = %.loc12_18 (constants.%.2)]
// CHECK:STDOUT: %v.var: ref @ErrorIfNIsZero.%.loc12_18 (%.2) = var v
// CHECK:STDOUT: %v: ref @ErrorIfNIsZero.%.loc12_18 (%.2) = bind_name v, %v.var
// CHECK:STDOUT: %N.ref.loc15: Core.BigInt = name_ref N, %N.loc10_19.1 [symbolic = %N.loc10_19.2 (constants.%N)]
// CHECK:STDOUT: %int.make_type_signed: init type = call %Int.ref(%N.ref.loc15) [symbolic = %.loc15_18 (constants.%.2)]
// CHECK:STDOUT: %.loc15_20.1: type = value_of_initializer %int.make_type_signed [symbolic = %.loc15_18 (constants.%.2)]
// CHECK:STDOUT: %.loc15_20.2: type = converted %int.make_type_signed, %.loc15_20.1 [symbolic = %.loc15_18 (constants.%.2)]
// CHECK:STDOUT: %v.var: ref @ErrorIfNIsZero.%.loc15_18 (%.2) = var v
// CHECK:STDOUT: %v: ref @ErrorIfNIsZero.%.loc15_18 (%.2) = bind_name v, %v.var
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Int(%size.param_patt: i32) -> type = "int.make_type_signed";
// CHECK:STDOUT: fn @Int(%size.param_patt: Core.BigInt) -> type = "int.make_type_signed";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @CallNegative() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %ErrorIfNIsZero.ref: %ErrorIfNIsZero.type = name_ref ErrorIfNIsZero, file.%ErrorIfNIsZero.decl [template = constants.%ErrorIfNIsZero]
// CHECK:STDOUT: %.loc16_18: i32 = int_literal 0 [template = constants.%.3]
// CHECK:STDOUT: %.loc16_3: <specific function> = specific_function %ErrorIfNIsZero.ref, @ErrorIfNIsZero(constants.%.3) [template = constants.%.4]
// CHECK:STDOUT: %ErrorIfNIsZero.call: init %.1 = call %.loc16_3()
// CHECK:STDOUT: %.loc19: i32 = int_literal 0 [template = constants.%.3]
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @ErrorIfNIsZero(constants.%N) {
// CHECK:STDOUT: %N.loc4_19.2 => constants.%N
// CHECK:STDOUT: %N.patt.loc4_19.2 => constants.%N
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @ErrorIfNIsZero(constants.%.3) {
// CHECK:STDOUT: %N.loc4_19.2 => constants.%.3
// CHECK:STDOUT: %N.patt.loc4_19.2 => constants.%.3
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %.loc12_18 => <error>
// CHECK:STDOUT: %N.loc10_19.2 => constants.%N
// CHECK:STDOUT: %N.patt.loc10_19.2 => constants.%N
// CHECK:STDOUT: }
// CHECK:STDOUT: