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https://github.com/carbon-language/carbon-lang.git
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Richard Smith
29c294880d
Rather than producing multiple constants with the same value, fold all instances of a given constant to the same constant instruction. A future PR will use this to replace the current type canonicalization system.
33 lines
1.1 KiB
Plaintext
33 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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class Class;
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fn F(p: Class*) -> Class* { return p; }
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// CHECK:STDOUT: --- forward_declared.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %Class: type = class_type @Class [template]
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// CHECK:STDOUT: %.1: type = ptr_type Class [template]
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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: package: <namespace> = namespace package, {.Class = %Class.decl, .F = %F} [template]
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// CHECK:STDOUT: %Class.decl = class_decl @Class, ()
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// CHECK:STDOUT: %Class: type = class_type @Class [template = constants.%Class]
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// CHECK:STDOUT: %F: <function> = fn_decl @F [template]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @Class;
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F(%p: Class*) -> Class* {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %p.ref: Class* = name_ref p, %p
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// CHECK:STDOUT: return %p.ref
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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