mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-05 22:02:55 +01:00
Richard Smith
7553d864e1
Form a side table with constant values for each instruction. Evaluation is only supported for a few very simple kinds of instruction for now. This is not observable outside of the SemIR output, because nothing depends on expressions having a constant value phase yet.
61 lines
3.1 KiB
Plaintext
61 lines
3.1 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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// TODO: Should work with compile-time evaluation.
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// CHECK:STDERR: fail_not_in_function.carbon:[[@LINE+9]]:14: ERROR: Semantics TODO: `Control flow expressions are currently only supported inside functions.`.
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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: fail_not_in_function.carbon:[[@LINE+6]]:14: ERROR: Semantics TODO: `Control flow expressions are currently only supported inside functions.`.
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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: fail_not_in_function.carbon:[[@LINE+3]]:22: ERROR: Semantics TODO: `Control flow expressions are currently only supported inside functions.`.
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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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let x: i32 = if true then 1 else 0;
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class C {
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// TODO: Should work with compile-time evaluation.
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// CHECK:STDERR: fail_not_in_function.carbon:[[@LINE+12]]:10: ERROR: Semantics TODO: `Control flow expressions are currently only supported inside functions.`.
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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: fail_not_in_function.carbon:[[@LINE+9]]:10: ERROR: Semantics TODO: `Control flow expressions are currently only supported inside functions.`.
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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: fail_not_in_function.carbon:[[@LINE+6]]:10: ERROR: Cannot evaluate type expression.
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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: fail_not_in_function.carbon:[[@LINE+3]]:18: ERROR: Semantics TODO: `Control flow expressions are currently only supported inside functions.`.
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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: %.loc17_17: bool = bool_literal true, const
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// CHECK:STDOUT: %.loc17_27: i32 = int_literal 1, const
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// CHECK:STDOUT: %.loc17_34: i32 = int_literal 0, const
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// CHECK:STDOUT: %.loc33: bool = bool_literal true, const
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// CHECK:STDOUT: %.loc34: type = struct_type {.n: <error>}, const
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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: %.loc17: i32 = block_arg <unexpected instblockref block5>
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// CHECK:STDOUT: %x: i32 = bind_name x, %.loc17
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// CHECK:STDOUT: %C.decl = class_decl @C, ()
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// CHECK:STDOUT: %C: type = class_type @C, const
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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: %.loc33: bool = bool_literal true, const = constants.%.loc33
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// CHECK:STDOUT: if %.loc33 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: .n = <unexpected instref inst+25>
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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