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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.
28 lines
1.1 KiB
Plaintext
28 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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// CHECK:STDERR: fail_assign_empty.carbon:[[@LINE+3]]:20: ERROR: Cannot initialize struct with 1 field(s) from struct with 0 field(s).
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// CHECK:STDERR: var x: {.a: i32} = {};
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// CHECK:STDERR: ^~
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var x: {.a: i32} = {};
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// CHECK:STDOUT: --- fail_assign_empty.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %.1: type = struct_type {.a: i32} [template]
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// CHECK:STDOUT: %.2: type = struct_type {} [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, {.x = %x} [template]
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// CHECK:STDOUT: %.loc10_16: type = struct_type {.a: i32} [template = constants.%.1]
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// CHECK:STDOUT: %x.var: ref {.a: i32} = var x
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// CHECK:STDOUT: %x: ref {.a: i32} = bind_name x, %x.var
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// CHECK:STDOUT: %.loc10_21: {} = struct_literal ()
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// CHECK:STDOUT: assign %x.var, <error>
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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