mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-04 22:02:52 +01:00
Geoff Romer
4329a83e4c
The key changes are: - Function output parameters are now prefixed with `out`, and more consistently formatted as named parameters. - Function and inst output arguments are now written as part of the inst form, rather than as one of the inst arguments. As a drive-by fix, this also changes `Temporary::storage_id` from `DestInstId` to `InstId`, because it doesn't represent an output parameter of the `Temporary` inst itself. See the review of [#6532](https://github.com/carbon-language/carbon-lang/pull/6532) and [this Discord discussion](https://discord.com/channels/655572317891461132/999638000126394370/1458268977020141589) for additional background.
56 lines
2.1 KiB
Plaintext
56 lines
2.1 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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// 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/less.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/less.carbon
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// --- float_less.carbon
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fn Less(a: f64, b: f64) -> bool = "float.less";
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fn Negate(a: f64) -> f64 = "float.negate";
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class True {}
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class False {}
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fn F(true_: True, false_: False) {
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true_ as (if Less(1.0, 2.0) then True else False);
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false_ as (if Less(1.0, 1.0) then True else False);
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false_ as (if Less(1.0, 0.0) then True else False);
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true_ as (if Less(Negate(1.0), 0.0) then True else False);
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false_ as (if Less(0.0, Negate(1.0)) then True else False);
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}
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fn RuntimeCallIsValid(a: f64, b: f64) -> bool {
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//@dump-sem-ir-begin
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return Less(a, b);
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//@dump-sem-ir-end
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}
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// CHECK:STDOUT: --- float_less.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: %Less.type: type = fn_type @Less [concrete]
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// CHECK:STDOUT: %Less: %Less.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: bool {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %Less.ref: %Less.type = name_ref Less, file.%Less.decl [concrete = constants.%Less]
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// CHECK:STDOUT: %a.ref: %f64.d77 = name_ref a, %a
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// CHECK:STDOUT: %b.ref: %f64.d77 = name_ref b, %b
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// CHECK:STDOUT: %Less.call: init bool = call %Less.ref(%a.ref, %b.ref)
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// CHECK:STDOUT: return %Less.call
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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