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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.
48 lines
2.4 KiB
Plaintext
48 lines
2.4 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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var x: {.a: f64, .b: i32} = {.a = 0.0, .b = 1};
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var y: i32 = x.b;
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var z: i32 = y;
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// CHECK:STDOUT: --- member_access.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: f64, .b: i32} [template]
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// CHECK:STDOUT: %.2: type = ptr_type {.a: f64, .b: i32} [template]
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// CHECK:STDOUT: %.3: f64 = real_literal 0e-1 [template]
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// CHECK:STDOUT: %.4: i32 = int_literal 1 [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, .y = %y, .z = %z} [template]
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// CHECK:STDOUT: %.loc7_25: type = struct_type {.a: f64, .b: i32} [template = constants.%.1]
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// CHECK:STDOUT: %x.var: ref {.a: f64, .b: i32} = var x
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// CHECK:STDOUT: %x: ref {.a: f64, .b: i32} = bind_name x, %x.var
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// CHECK:STDOUT: %.loc7_35: f64 = real_literal 0e-1 [template = constants.%.3]
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// CHECK:STDOUT: %.loc7_45: i32 = int_literal 1 [template = constants.%.4]
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// CHECK:STDOUT: %.loc7_46.1: {.a: f64, .b: i32} = struct_literal (%.loc7_35, %.loc7_45)
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// CHECK:STDOUT: %.loc7_46.2: ref f64 = struct_access %x.var, element0
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// CHECK:STDOUT: %.loc7_46.3: init f64 = initialize_from %.loc7_35 to %.loc7_46.2
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// CHECK:STDOUT: %.loc7_46.4: ref i32 = struct_access %x.var, element1
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// CHECK:STDOUT: %.loc7_46.5: init i32 = initialize_from %.loc7_45 to %.loc7_46.4
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// CHECK:STDOUT: %.loc7_46.6: init {.a: f64, .b: i32} = struct_init (%.loc7_46.3, %.loc7_46.5) to %x.var
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// CHECK:STDOUT: %.loc7_46.7: init {.a: f64, .b: i32} = converted %.loc7_46.1, %.loc7_46.6
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// CHECK:STDOUT: assign %x.var, %.loc7_46.7
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// CHECK:STDOUT: %y.var: ref i32 = var y
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// CHECK:STDOUT: %y: ref i32 = bind_name y, %y.var
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// CHECK:STDOUT: %x.ref: ref {.a: f64, .b: i32} = name_ref x, %x
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// CHECK:STDOUT: %.loc8_15.1: ref i32 = struct_access %x.ref, element1
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// CHECK:STDOUT: %.loc8_15.2: i32 = bind_value %.loc8_15.1
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// CHECK:STDOUT: assign %y.var, %.loc8_15.2
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// CHECK:STDOUT: %z.var: ref i32 = var z
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// CHECK:STDOUT: %z: ref i32 = bind_name z, %z.var
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// CHECK:STDOUT: %y.ref: ref i32 = name_ref y, %y
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// CHECK:STDOUT: %.loc9: i32 = bind_value %y.ref
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// CHECK:STDOUT: assign %z.var, %.loc9
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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