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fdb188ccfd
Implementation of unused pattern bindings #2022, continued. Whereas previous PR #6460 took care of parsing, and PR #6479 prepared the stage by using _ in some test cases, this PR has the the actual implementation, using a simple dataflow analysis. --------- Co-authored-by: Burak Emir <bqe@google.com> Co-authored-by: jonmeow <jperkins@google.com>
94 lines
3.2 KiB
Plaintext
94 lines
3.2 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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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/primitives.carbon
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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/builtins/float/negate.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/builtins/float/negate.carbon
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// --- float_negate.carbon
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library "[[@TEST_NAME]]";
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fn Negate(a: f64) -> f64 = "float.negate";
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fn RuntimeCallIsValid(a: f64, unused b: f64) -> f64 {
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//@dump-sem-ir-begin
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return Negate(a);
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//@dump-sem-ir-end
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}
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let a: f64 = Negate(1.5);
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// --- fail_too_few.carbon
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library "[[@TEST_NAME]]";
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// CHECK:STDERR: fail_too_few.carbon:[[@LINE+4]]:1: error: invalid signature for builtin function "float.negate" [InvalidBuiltinSignature]
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// CHECK:STDERR: fn TooFew() -> f64 = "float.negate";
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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fn TooFew() -> f64 = "float.negate";
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fn RuntimeCallIsValidTooFew() -> f64 {
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return TooFew();
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}
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// --- fail_too_many.carbon
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library "[[@TEST_NAME]]";
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// CHECK:STDERR: fail_too_many.carbon:[[@LINE+4]]:1: error: invalid signature for builtin function "float.negate" [InvalidBuiltinSignature]
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// CHECK:STDERR: fn TooMany(a: f64, b: f64) -> f64 = "float.negate";
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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fn TooMany(a: f64, b: f64) -> f64 = "float.negate";
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fn RuntimeCallIsValidTooMany(a: f64, b: f64) -> f64 {
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return TooMany(a, b);
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}
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// --- fail_bad_return_type.carbon
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library "[[@TEST_NAME]]";
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// CHECK:STDERR: fail_bad_return_type.carbon:[[@LINE+4]]:1: error: invalid signature for builtin function "float.negate" [InvalidBuiltinSignature]
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// CHECK:STDERR: fn BadReturnType(a: f64) -> bool = "float.negate";
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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fn BadReturnType(a: f64) -> bool = "float.negate";
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fn RuntimeCallIsValidBadReturnType(a: f64) -> bool {
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return BadReturnType(a);
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}
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// CHECK:STDOUT: --- float_negate.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %int_64: Core.IntLiteral = int_value 64 [concrete]
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// CHECK:STDOUT: %f64.d77: type = class_type @Float, @Float(%int_64) [concrete]
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// CHECK:STDOUT: %Negate.type: type = fn_type @Negate [concrete]
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// CHECK:STDOUT: %Negate: %Negate.type = struct_value () [concrete]
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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: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @RuntimeCallIsValid(%a.param: %f64.d77, %b.param: %f64.d77) -> out %return.param: %f64.d77 {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %Negate.ref: %Negate.type = name_ref Negate, file.%Negate.decl [concrete = constants.%Negate]
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// CHECK:STDOUT: %a.ref: %f64.d77 = name_ref a, %a
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// CHECK:STDOUT: %Negate.call: init %f64.d77 = call %Negate.ref(%a.ref)
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// CHECK:STDOUT: return %Negate.call
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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: <elided>
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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