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https://github.com/carbon-language/carbon-lang.git
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Richard Smith
bc395eb889
When an `IntLiteral` appears as an operand of an `if` expression, convert it to `i32` for now, so that we don't reject things like `if cond then 1 else 2` due to having a non-constant value of type `IntLiteral`. For tuple indexing expressions such as `(a, b).0`, convert the index to type `IntLiteral`, not to type `i32`. This isn't strictly necessary to do in this PR, but avoids the need to provide an `IntLiteral` -> `i32` implicit conversion for `no_prelude` tests using this syntax.
65 lines
3.4 KiB
Plaintext
65 lines
3.4 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/array/fail_bound_overflow.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/array/fail_bound_overflow.carbon
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// CHECK:STDERR: fail_bound_overflow.carbon:[[@LINE+4]]:14: error: array bound of 39999999999999999993 is too large [ArrayBoundTooLarge]
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// CHECK:STDERR: var a: [i32; 39999999999999999993];
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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var a: [i32; 39999999999999999993];
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// CHECK:STDERR: fail_bound_overflow.carbon:[[@LINE+6]]:9: error: cannot implicitly convert from `Core.IntLiteral` to `type` [ImplicitAsConversionFailure]
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// CHECK:STDERR: var b: [1; 39999999999999999993];
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// CHECK:STDERR: ^
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// CHECK:STDERR: fail_bound_overflow.carbon:[[@LINE+3]]:9: note: type `Core.IntLiteral` does not implement interface `ImplicitAs(type)` [MissingImplInMemberAccessNote]
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// CHECK:STDERR: var b: [1; 39999999999999999993];
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// CHECK:STDERR: ^
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var b: [1; 39999999999999999993];
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// CHECK:STDOUT: --- fail_bound_overflow.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %Int32.type: type = fn_type @Int32 [template]
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// CHECK:STDOUT: %Int32: %Int32.type = struct_value () [template]
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// CHECK:STDOUT: %.1: Core.IntLiteral = int_value 39999999999999999993 [template]
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// CHECK:STDOUT: %.2: Core.IntLiteral = int_value 1 [template]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
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// CHECK:STDOUT: .Int32 = %import_ref.1
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// CHECK:STDOUT: .ImplicitAs = %import_ref.2
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// CHECK:STDOUT: import Core//prelude
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// CHECK:STDOUT: import Core//prelude/...
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [template] {
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// CHECK:STDOUT: .Core = imports.%Core
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// CHECK:STDOUT: .a = %a
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// CHECK:STDOUT: .b = %b
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Core.import = import Core
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// CHECK:STDOUT: %int.make_type_32: init type = call constants.%Int32() [template = i32]
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// CHECK:STDOUT: %.loc15_14: Core.IntLiteral = int_value 39999999999999999993 [template = constants.%.1]
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// CHECK:STDOUT: %.loc15_9.1: type = value_of_initializer %int.make_type_32 [template = i32]
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// CHECK:STDOUT: %.loc15_9.2: type = converted %int.make_type_32, %.loc15_9.1 [template = i32]
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// CHECK:STDOUT: %.loc15_34: type = array_type %.loc15_14, i32 [template = <error>]
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// CHECK:STDOUT: %a.var: ref <error> = var a
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// CHECK:STDOUT: %a: ref <error> = bind_name a, %a.var
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// CHECK:STDOUT: %.loc23_9.1: Core.IntLiteral = int_value 1 [template = constants.%.2]
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// CHECK:STDOUT: %.loc23_12: Core.IntLiteral = int_value 39999999999999999993 [template = constants.%.1]
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// CHECK:STDOUT: %.loc23_9.2: type = converted %.loc23_9.1, <error> [template = <error>]
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// CHECK:STDOUT: %.loc23_32: type = array_type %.loc23_12, <error> [template = <error>]
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// CHECK:STDOUT: %b.var: ref <error> = var b
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// CHECK:STDOUT: %b: ref <error> = bind_name b, %b.var
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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