mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-03 08:45:48 +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.
29 lines
1.1 KiB
Plaintext
29 lines
1.1 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: The `const` in the return type should not be necessary.
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fn F(p: const (const (const i32*)*)) -> const i32 {
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return **p;
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}
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// CHECK:STDOUT: --- nested_const.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace package, {.F = %F}
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// CHECK:STDOUT: %F: <function> = fn_decl @F, const
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F(%p: const (const (const i32*)*)) -> const i32 {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %p.ref: const (const (const i32*)*) = name_ref p, %p
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// CHECK:STDOUT: %.loc9_11.1: ref const (const i32*) = deref %p.ref
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// CHECK:STDOUT: %.loc9_11.2: const (const i32*) = bind_value %.loc9_11.1
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// CHECK:STDOUT: %.loc9_10.1: ref const i32 = deref %.loc9_11.2
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// CHECK:STDOUT: %.loc9_10.2: const i32 = bind_value %.loc9_10.1
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// CHECK:STDOUT: return %.loc9_10.2
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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