mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-03 09:15:49 +01:00
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.
87 lines
4.3 KiB
Plaintext
87 lines
4.3 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/if_expr/fail_not_in_function.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/if_expr/fail_not_in_function.carbon
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// CHECK:STDERR: fail_not_in_function.carbon:[[@LINE+12]]:14: error: semantics TODO: `Control flow expressions are currently only supported inside functions.` [SemanticsTodo]
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// CHECK:STDERR: let x: i32 = if true then 1 else 0;
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// CHECK:STDERR: ^~~~~~~
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// CHECK:STDERR:
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// CHECK:STDERR: fail_not_in_function.carbon:[[@LINE+8]]:14: error: semantics TODO: `Control flow expressions are currently only supported inside functions.` [SemanticsTodo]
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// CHECK:STDERR: let x: i32 = if true then 1 else 0;
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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// CHECK:STDERR: fail_not_in_function.carbon:[[@LINE+4]]:22: error: semantics TODO: `Control flow expressions are currently only supported inside functions.` [SemanticsTodo]
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// CHECK:STDERR: let x: i32 = if true then 1 else 0;
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// CHECK:STDERR: ^~~~~~
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// CHECK:STDERR:
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let x: i32 = if true then 1 else 0;
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class C {
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// CHECK:STDERR: fail_not_in_function.carbon:[[@LINE+11]]:10: error: semantics TODO: `Control flow expressions are currently only supported inside functions.` [SemanticsTodo]
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// CHECK:STDERR: var n: if true then i32 else f64;
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// CHECK:STDERR: ^~~~~~~
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// CHECK:STDERR:
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// CHECK:STDERR: fail_not_in_function.carbon:[[@LINE+7]]:10: error: semantics TODO: `Control flow expressions are currently only supported inside functions.` [SemanticsTodo]
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// CHECK:STDERR: var n: if true then i32 else f64;
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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// CHECK:STDERR: fail_not_in_function.carbon:[[@LINE+3]]:18: error: semantics TODO: `Control flow expressions are currently only supported inside functions.` [SemanticsTodo]
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// CHECK:STDERR: var n: if true then i32 else f64;
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// CHECK:STDERR: ^~~~~~~~
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var n: if true then i32 else f64;
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}
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// CHECK:STDOUT: --- fail_not_in_function.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: bool = bool_literal true [template]
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// CHECK:STDOUT: %C: type = class_type @C [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: .Float = %import_ref.51
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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: .x = <unexpected>.inst+14.loc23_5
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// CHECK:STDOUT: .C = %C.decl
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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: %.loc23_8.1: type = value_of_initializer %int.make_type_32 [template = i32]
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// CHECK:STDOUT: %.loc23_8.2: type = converted %int.make_type_32, %.loc23_8.1 [template = i32]
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// CHECK:STDOUT: %C.decl: type = class_decl @C [template = constants.%C] {} {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @C {
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// CHECK:STDOUT: %.loc37: bool = bool_literal true [template = constants.%.1]
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// CHECK:STDOUT: if %.loc37 br !if.expr.then else br !if.expr.else
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = constants.%C
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// CHECK:STDOUT: .n = <unexpected>.inst+425.loc37_8
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @__global_init() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %.loc23: bool = bool_literal true [template = constants.%.1]
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// CHECK:STDOUT: if %.loc23 br !if.expr.then else br !if.expr.else
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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