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carbon-lang/toolchain/check/testdata/array/array_vs_tuple.carbon
T
Richard Smith 3763d0130a Convert literals to i32 when forming an i32-typed int_literal instruction. (#3814)
This is temporary: eventually per the design we should be forming
integer literals whose types reflect their values. But for now we should
ensure that values fit within their types.

This also fixes canonicalization of integer constants and hence of array
types, because we no longer have multiple different representations of
each `i32` value depending on the bit-width used for the literal.
2024-03-26 19:56:11 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// AUTOUPDATE
fn G() {
// These should have two different constant values.
var a: [i32; 3] = (1, 2, 3);
var b: (i32, i32, i32) = (1, 2, 3);
}
// CHECK:STDOUT: --- array_vs_tuple.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %.1: i32 = int_literal 3 [template]
// CHECK:STDOUT: %.2: type = array_type %.1, i32 [template]
// CHECK:STDOUT: %.3: type = ptr_type [i32; 3] [template]
// CHECK:STDOUT: %.4: i32 = int_literal 1 [template]
// CHECK:STDOUT: %.5: i32 = int_literal 2 [template]
// CHECK:STDOUT: %.6: type = tuple_type (i32, i32, i32) [template]
// CHECK:STDOUT: %.7: i32 = int_literal 0 [template]
// CHECK:STDOUT: %.8: [i32; 3] = tuple_value (%.4, %.5, %.1) [template]
// CHECK:STDOUT: %.9: type = tuple_type (type, type, type) [template]
// CHECK:STDOUT: %.10: type = ptr_type (i32, i32, i32) [template]
// CHECK:STDOUT: %.11: (i32, i32, i32) = tuple_value (%.4, %.5, %.1) [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .G = %G
// CHECK:STDOUT: }
// CHECK:STDOUT: %G: <function> = fn_decl @G [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc9_16: i32 = int_literal 3 [template = constants.%.1]
// CHECK:STDOUT: %.loc9_17: type = array_type %.loc9_16, i32 [template = constants.%.2]
// CHECK:STDOUT: %a.var: ref [i32; 3] = var a
// CHECK:STDOUT: %a: ref [i32; 3] = bind_name a, %a.var
// CHECK:STDOUT: %.loc9_22: i32 = int_literal 1 [template = constants.%.4]
// CHECK:STDOUT: %.loc9_25: i32 = int_literal 2 [template = constants.%.5]
// CHECK:STDOUT: %.loc9_28: i32 = int_literal 3 [template = constants.%.1]
// CHECK:STDOUT: %.loc9_29.1: (i32, i32, i32) = tuple_literal (%.loc9_22, %.loc9_25, %.loc9_28)
// CHECK:STDOUT: %.loc9_29.2: i32 = int_literal 0 [template = constants.%.7]
// CHECK:STDOUT: %.loc9_29.3: ref i32 = array_index %a.var, %.loc9_29.2
// CHECK:STDOUT: %.loc9_29.4: init i32 = initialize_from %.loc9_22 to %.loc9_29.3 [template = constants.%.4]
// CHECK:STDOUT: %.loc9_29.5: i32 = int_literal 1 [template = constants.%.4]
// CHECK:STDOUT: %.loc9_29.6: ref i32 = array_index %a.var, %.loc9_29.5
// CHECK:STDOUT: %.loc9_29.7: init i32 = initialize_from %.loc9_25 to %.loc9_29.6 [template = constants.%.5]
// CHECK:STDOUT: %.loc9_29.8: i32 = int_literal 2 [template = constants.%.5]
// CHECK:STDOUT: %.loc9_29.9: ref i32 = array_index %a.var, %.loc9_29.8
// CHECK:STDOUT: %.loc9_29.10: init i32 = initialize_from %.loc9_28 to %.loc9_29.9 [template = constants.%.1]
// CHECK:STDOUT: %.loc9_29.11: init [i32; 3] = array_init (%.loc9_29.4, %.loc9_29.7, %.loc9_29.10) to %a.var [template = constants.%.8]
// CHECK:STDOUT: %.loc9_29.12: init [i32; 3] = converted %.loc9_29.1, %.loc9_29.11 [template = constants.%.8]
// CHECK:STDOUT: assign %a.var, %.loc9_29.12
// CHECK:STDOUT: %.loc10_24.1: (type, type, type) = tuple_literal (i32, i32, i32)
// CHECK:STDOUT: %.loc10_24.2: type = converted %.loc10_24.1, constants.%.6 [template = constants.%.6]
// CHECK:STDOUT: %b.var: ref (i32, i32, i32) = var b
// CHECK:STDOUT: %b: ref (i32, i32, i32) = bind_name b, %b.var
// CHECK:STDOUT: %.loc10_29: i32 = int_literal 1 [template = constants.%.4]
// CHECK:STDOUT: %.loc10_32: i32 = int_literal 2 [template = constants.%.5]
// CHECK:STDOUT: %.loc10_35: i32 = int_literal 3 [template = constants.%.1]
// CHECK:STDOUT: %.loc10_36.1: (i32, i32, i32) = tuple_literal (%.loc10_29, %.loc10_32, %.loc10_35)
// CHECK:STDOUT: %.loc10_36.2: ref i32 = tuple_access %b.var, element0
// CHECK:STDOUT: %.loc10_36.3: init i32 = initialize_from %.loc10_29 to %.loc10_36.2 [template = constants.%.4]
// CHECK:STDOUT: %.loc10_36.4: ref i32 = tuple_access %b.var, element1
// CHECK:STDOUT: %.loc10_36.5: init i32 = initialize_from %.loc10_32 to %.loc10_36.4 [template = constants.%.5]
// CHECK:STDOUT: %.loc10_36.6: ref i32 = tuple_access %b.var, element2
// CHECK:STDOUT: %.loc10_36.7: init i32 = initialize_from %.loc10_35 to %.loc10_36.6 [template = constants.%.1]
// CHECK:STDOUT: %.loc10_36.8: init (i32, i32, i32) = tuple_init (%.loc10_36.3, %.loc10_36.5, %.loc10_36.7) to %b.var [template = constants.%.11]
// CHECK:STDOUT: %.loc10_36.9: init (i32, i32, i32) = converted %.loc10_36.1, %.loc10_36.8 [template = constants.%.11]
// CHECK:STDOUT: assign %b.var, %.loc10_36.9
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: