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carbon-lang/toolchain/check/testdata/function/generic/resolve_used.carbon
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Richard SmithandJon Ross-Perkins e2ae5f212c Remove the special case for i32. (#4543) 
For the few remaining uses of the builtin `i32` type, manually build an
`IntType(Signed, 32)` value instead. These are:

- The return type of `Run`.
- The type that int literals in an `if` expression are converted into.
- The type of an array index expression.

We should consider converting those three cases away from `i32` over
time.

---------

Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
2024-11-18 23:19:36 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/function/generic/resolve_used.carbon
// 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_todo_call_monomorphization_error.carbon
library "[[@TEST_NAME]]";
fn ErrorIfNIsZero(N:! Core.IntLiteral()) {
// 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_todo_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);
}
fn CallNegative() {
ErrorIfNIsZero(0);
}
// CHECK:STDOUT: --- fail_todo_call_monomorphization_error.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %IntLiteral.type: type = fn_type @IntLiteral [template]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [template]
// CHECK:STDOUT: %IntLiteral: %IntLiteral.type = struct_value () [template]
// CHECK:STDOUT: %N: Core.IntLiteral = bind_symbolic_name N, 0 [symbolic]
// CHECK:STDOUT: %N.patt: Core.IntLiteral = 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]
// CHECK:STDOUT: %Int: %Int.type = struct_value () [template]
// CHECK:STDOUT: %iN: type = int_type signed, %N [symbolic]
// CHECK:STDOUT: %CallNegative.type: type = fn_type @CallNegative [template]
// CHECK:STDOUT: %CallNegative: %CallNegative.type = struct_value () [template]
// CHECK:STDOUT: %.1: Core.IntLiteral = int_value 0 [template]
// CHECK:STDOUT: %.2: <specific function> = specific_function %ErrorIfNIsZero, @ErrorIfNIsZero(%.1) [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .IntLiteral = %import_ref.1
// CHECK:STDOUT: .Int = %import_ref.2
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref.1: %IntLiteral.type = import_ref Core//prelude/types, inst+7, loaded [template = constants.%IntLiteral]
// CHECK:STDOUT: %import_ref.2: %Int.type = import_ref Core//prelude/types, inst+23, loaded [template = constants.%Int]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .ErrorIfNIsZero = %ErrorIfNIsZero.decl
// CHECK:STDOUT: .CallNegative = %CallNegative.decl
// 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: Core.IntLiteral = symbolic_binding_pattern N, 0 [symbolic = %N.patt.loc4_19.2 (constants.%N.patt)]
// CHECK:STDOUT: %N.param_patt: Core.IntLiteral = value_param_pattern %N.patt.loc4_19.1, runtime_param<invalid> [symbolic = %N.patt.loc4_19.2 (constants.%N.patt)]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %Core.ref.loc4: <namespace> = name_ref Core, imports.%Core [template = imports.%Core]
// CHECK:STDOUT: %IntLiteral.ref: %IntLiteral.type = name_ref IntLiteral, imports.%import_ref.1 [template = constants.%IntLiteral]
// CHECK:STDOUT: %int_literal.make_type: init type = call %IntLiteral.ref() [template = Core.IntLiteral]
// CHECK:STDOUT: %.loc4_39.1: type = value_of_initializer %int_literal.make_type [template = Core.IntLiteral]
// CHECK:STDOUT: %.loc4_39.2: type = converted %int_literal.make_type, %.loc4_39.1 [template = Core.IntLiteral]
// CHECK:STDOUT: %N.param: Core.IntLiteral = value_param runtime_param<invalid>
// CHECK:STDOUT: %N.loc4_19.1: Core.IntLiteral = bind_symbolic_name N, 0, %N.param [symbolic = %N.loc4_19.2 (constants.%N)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %CallNegative.decl: %CallNegative.type = fn_decl @CallNegative [template = constants.%CallNegative] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @ErrorIfNIsZero(%N.loc4_19.1: Core.IntLiteral) {
// CHECK:STDOUT: %N.loc4_19.2: Core.IntLiteral = bind_symbolic_name N, 0 [symbolic = %N.loc4_19.2 (constants.%N)]
// CHECK:STDOUT: %N.patt.loc4_19.2: Core.IntLiteral = symbolic_binding_pattern N, 0 [symbolic = %N.patt.loc4_19.2 (constants.%N.patt)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %iN: type = int_type signed, %N.loc4_19.2 [symbolic = %iN (constants.%iN)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%N.param_patt: Core.IntLiteral) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Core.ref.loc12: <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: Core.IntLiteral = 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 = %iN (constants.%iN)]
// CHECK:STDOUT: %.loc12_20.1: type = value_of_initializer %int.make_type_signed [symbolic = %iN (constants.%iN)]
// CHECK:STDOUT: %.loc12_20.2: type = converted %int.make_type_signed, %.loc12_20.1 [symbolic = %iN (constants.%iN)]
// CHECK:STDOUT: %v.var: ref @ErrorIfNIsZero.%iN (%iN) = var v
// CHECK:STDOUT: %v: ref @ErrorIfNIsZero.%iN (%iN) = bind_name v, %v.var
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// 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: Core.IntLiteral = int_value 0 [template = constants.%.1]
// CHECK:STDOUT: %.loc16_3: <specific function> = specific_function %ErrorIfNIsZero.ref, @ErrorIfNIsZero(constants.%.1) [template = constants.%.2]
// CHECK:STDOUT: %ErrorIfNIsZero.call: init %empty_tuple.type = call %.loc16_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.%.1) {
// CHECK:STDOUT: %N.loc4_19.2 => constants.%.1
// CHECK:STDOUT: %N.patt.loc4_19.2 => constants.%.1
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %iN => <error>
// CHECK:STDOUT: }
// CHECK:STDOUT:
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