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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.
54 lines
2.7 KiB
Plaintext
54 lines
2.7 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 Incomplete;
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// CHECK:STDERR: fail_incomplete_element.carbon:[[@LINE+6]]:8: ERROR: Variable has incomplete type `[Incomplete; 1]`.
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// CHECK:STDERR: var a: [Incomplete; 1];
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// CHECK:STDERR: ^~~~~~~~~~~~~~~
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// CHECK:STDERR: fail_incomplete_element.carbon:[[@LINE-5]]:1: Class was forward declared here.
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// CHECK:STDERR: class Incomplete;
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~
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var a: [Incomplete; 1];
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// CHECK:STDERR: fail_incomplete_element.carbon:[[@LINE+3]]:1: ERROR: Cannot implicitly convert from `<error>*` to `Incomplete*`.
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// CHECK:STDERR: var p: Incomplete* = &a[0];
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~
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var p: Incomplete* = &a[0];
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// CHECK:STDOUT: --- fail_incomplete_element.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %Incomplete: type = class_type @Incomplete [template]
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// CHECK:STDOUT: %.1: i32 = int_literal 1 [template]
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// CHECK:STDOUT: %.2: type = array_type %.1, Incomplete [template]
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// CHECK:STDOUT: %.3: type = ptr_type Incomplete [template]
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// CHECK:STDOUT: %.4: i32 = int_literal 0 [template]
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// CHECK:STDOUT: %.5: type = ptr_type <error> [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, {.Incomplete = %Incomplete.decl, .a = %a, .p = %p} [template]
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// CHECK:STDOUT: %Incomplete.decl = class_decl @Incomplete, ()
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// CHECK:STDOUT: %Incomplete: type = class_type @Incomplete [template = constants.%Incomplete]
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// CHECK:STDOUT: %Incomplete.ref.loc15: type = name_ref Incomplete, %Incomplete [template = constants.%Incomplete]
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// CHECK:STDOUT: %.loc15_21: i32 = int_literal 1 [template = constants.%.1]
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// CHECK:STDOUT: %.loc15_22: type = array_type %.loc15_21, Incomplete [template = constants.%.2]
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// CHECK:STDOUT: %a.var: ref <error> = var a
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// CHECK:STDOUT: %a: ref <error> = bind_name a, %a.var
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// CHECK:STDOUT: %Incomplete.ref.loc20: type = name_ref Incomplete, %Incomplete [template = constants.%Incomplete]
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// CHECK:STDOUT: %.loc20_18: type = ptr_type Incomplete [template = constants.%.3]
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// CHECK:STDOUT: %p.var: ref Incomplete* = var p
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// CHECK:STDOUT: %p: ref Incomplete* = bind_name p, %p.var
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// CHECK:STDOUT: %a.ref: ref <error> = name_ref a, %a
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// CHECK:STDOUT: %.loc20_25: i32 = int_literal 0 [template = constants.%.4]
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// CHECK:STDOUT: %.loc20_22: <error>* = addr_of <error>
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// CHECK:STDOUT: assign %p.var, <error>
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @Incomplete;
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// CHECK:STDOUT:
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