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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.
42 lines
1.5 KiB
Plaintext
42 lines
1.5 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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fn F() {
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let T:! type = i32;
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var p: T*;
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var a: T = *p;
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}
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// CHECK:STDOUT: --- generic.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %.1: type = ptr_type T [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, {.F = %F} [template]
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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: fn @F() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %T: type = bind_symbolic_name T, i32 [symbolic]
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// CHECK:STDOUT: %T.ref.loc9: type = name_ref T, %T [symbolic = %T]
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// CHECK:STDOUT: %.loc9: type = ptr_type T [template = constants.%.1]
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// CHECK:STDOUT: %p.var: ref T* = var p
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// CHECK:STDOUT: %p: ref T* = bind_name p, %p.var
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// CHECK:STDOUT: %T.ref.loc10: type = name_ref T, %T [symbolic = %T]
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// CHECK:STDOUT: %a.var: ref T = var a
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// CHECK:STDOUT: %a: ref T = bind_name a, %a.var
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// CHECK:STDOUT: %p.ref: ref T* = name_ref p, %p
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// CHECK:STDOUT: %.loc10_15: T* = bind_value %p.ref
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// CHECK:STDOUT: %.loc10_14.1: ref T = deref %.loc10_15
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// CHECK:STDOUT: %.loc10_14.2: T = bind_value %.loc10_14.1
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// CHECK:STDOUT: assign %a.var, %.loc10_14.2
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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