mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +01:00
Richard Smith
1ae5fe0cd5
Track the callee expression in full, instead of only tracking the callee's FunctionId. This results in the `name_reference` denoting the function actually being used. Lowering now propagates a `llvm::Function*` as the value associated with expressions of type `<function>`. We were not creating `NameReference` node for names produced by member access into a namespace, such as the second name in `Namespace.Function`, which caused lowering of calls to such names to fail. This is now fixed, but the resulting `NameReference` node only refers to the name and the lookup result, not to the `Namespace.` qualifier. We'll need to decide how to fit a third operand into that node (perhaps we can stop storing the `name_id`, since it can be derived from the lookup result) but for now the qualifier is not tracked.
34 lines
1020 B
Plaintext
34 lines
1020 B
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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fn Echo(a: ()) -> () {
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return a;
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}
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fn Main() {
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Echo(());
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}
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// CHECK:STDOUT: file "empty_tuple.carbon" {
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// CHECK:STDOUT: %Echo: <function> = fn_decl @Echo
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// CHECK:STDOUT: %Main: <function> = fn_decl @Main
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @Echo(%a: ()) -> () {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %a.ref: () = name_reference "a", %a
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// CHECK:STDOUT: return %a.ref
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @Main() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %Echo.ref: <function> = name_reference "Echo", package.%Echo
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// CHECK:STDOUT: %.loc12_9.1: () = tuple_literal ()
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// CHECK:STDOUT: %.loc12_9.2: () = tuple_value %.loc12_9.1, ()
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// CHECK:STDOUT: %.loc12_7: init () = call %Echo.ref(%.loc12_9.2)
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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