mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-05 22:02:55 +01:00
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.
97 lines
4.8 KiB
Plaintext
97 lines
4.8 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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base class Base {
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var a: i32;
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var b: i32;
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var c: i32;
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}
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class Derived {
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extend base: Base;
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var d: i32;
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var e: i32;
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}
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fn Access(p: Derived*) -> i32* {
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return &(*p).c;
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}
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// CHECK:STDOUT: --- base_field.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %Base: type = class_type @Base [template]
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// CHECK:STDOUT: %.1: type = unbound_element_type Base, i32 [template]
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// CHECK:STDOUT: %.2: type = struct_type {.a: i32, .b: i32, .c: i32} [template]
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// CHECK:STDOUT: %Derived: type = class_type @Derived [template]
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// CHECK:STDOUT: %.3: type = ptr_type {.a: i32, .b: i32, .c: i32} [template]
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// CHECK:STDOUT: %.4: type = unbound_element_type Derived, Base [template]
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// CHECK:STDOUT: %.5: type = unbound_element_type Derived, i32 [template]
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// CHECK:STDOUT: %.6: type = struct_type {.base: Base, .d: i32, .e: i32} [template]
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// CHECK:STDOUT: %.7: type = ptr_type Derived [template]
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// CHECK:STDOUT: %.8: type = ptr_type i32 [template]
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// CHECK:STDOUT: %.9: type = struct_type {.base: {.a: i32, .b: i32, .c: i32}*, .d: i32, .e: i32} [template]
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// CHECK:STDOUT: %.10: type = ptr_type {.base: {.a: i32, .b: i32, .c: i32}*, .d: i32, .e: i32} [template]
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// CHECK:STDOUT: %.11: type = ptr_type {.base: Base, .d: i32, .e: i32} [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, {.Base = %Base.decl, .Derived = %Derived.decl, .Access = %Access} [template]
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// CHECK:STDOUT: %Base.decl = class_decl @Base, ()
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// CHECK:STDOUT: %Base: type = class_type @Base [template = constants.%Base]
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// CHECK:STDOUT: %Derived.decl = class_decl @Derived, ()
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// CHECK:STDOUT: %Derived: type = class_type @Derived [template = constants.%Derived]
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// CHECK:STDOUT: %Access: <function> = fn_decl @Access [template]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @Base {
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// CHECK:STDOUT: %.loc8_8.1: type = unbound_element_type Base, i32 [template = constants.%.1]
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// CHECK:STDOUT: %.loc8_8.2: <unbound element of class Base> = field_decl a, element0 [template]
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// CHECK:STDOUT: %a: <unbound element of class Base> = bind_name a, %.loc8_8.2 [template = %.loc8_8.2]
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// CHECK:STDOUT: %.loc9_8.1: type = unbound_element_type Base, i32 [template = constants.%.1]
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// CHECK:STDOUT: %.loc9_8.2: <unbound element of class Base> = field_decl b, element1 [template]
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// CHECK:STDOUT: %b: <unbound element of class Base> = bind_name b, %.loc9_8.2 [template = %.loc9_8.2]
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// CHECK:STDOUT: %.loc10_8.1: type = unbound_element_type Base, i32 [template = constants.%.1]
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// CHECK:STDOUT: %.loc10_8.2: <unbound element of class Base> = field_decl c, element2 [template]
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// CHECK:STDOUT: %c: <unbound element of class Base> = bind_name c, %.loc10_8.2 [template = %.loc10_8.2]
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .a = %a
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// CHECK:STDOUT: .b = %b
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// CHECK:STDOUT: .c = %c
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @Derived {
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// CHECK:STDOUT: %Base.ref: type = name_ref Base, file.%Base [template = constants.%Base]
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// CHECK:STDOUT: %.loc14_20.1: type = unbound_element_type Derived, Base [template = constants.%.4]
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// CHECK:STDOUT: %.loc14_20.2: <unbound element of class Derived> = base_decl Base, element0 [template]
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// CHECK:STDOUT: %.loc16_8.1: type = unbound_element_type Derived, i32 [template = constants.%.5]
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// CHECK:STDOUT: %.loc16_8.2: <unbound element of class Derived> = field_decl d, element1 [template]
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// CHECK:STDOUT: %d: <unbound element of class Derived> = bind_name d, %.loc16_8.2 [template = %.loc16_8.2]
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// CHECK:STDOUT: %.loc17_8.1: type = unbound_element_type Derived, i32 [template = constants.%.5]
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// CHECK:STDOUT: %.loc17_8.2: <unbound element of class Derived> = field_decl e, element2 [template]
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// CHECK:STDOUT: %e: <unbound element of class Derived> = bind_name e, %.loc17_8.2 [template = %.loc17_8.2]
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .base = %.loc14_20.2
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// CHECK:STDOUT: .d = %d
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// CHECK:STDOUT: .e = %e
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// CHECK:STDOUT: extend name_scope1
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @Access(%p: Derived*) -> i32* {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %p.ref: Derived* = name_ref p, %p
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// CHECK:STDOUT: %.loc21_12.1: ref Derived = deref %p.ref
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// CHECK:STDOUT: %.loc21_15.1: ref Base = class_element_access %.loc21_12.1, element0
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// CHECK:STDOUT: %.loc21_12.2: ref Base = converted %.loc21_12.1, %.loc21_15.1
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// CHECK:STDOUT: %.loc21_15.2: ref i32 = class_element_access %.loc21_12.2, element2
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// CHECK:STDOUT: %.loc21_10: i32* = addr_of %.loc21_15.2
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// CHECK:STDOUT: return %.loc21_10
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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