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carbon-lang/toolchain/check/testdata/array/base.carbon
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Richard Smith 4a7aefefaa Add support for operators on Core.IntLiteral. (#4716) 
Fixes integer builtins to produce the correct values (and not
CHECK-fail) when used on integer literals. Also adds impls to the
prelude to use the new builtins to perform operations on integer
literals.

Perhaps most importantly, this allows directly initializing `i32` values
with negative numbers, as the negation operation on integer literals now
works.

For testing I've added tests for use of literals with one operator in
each class (addition, multiplication, ordering, bitwise, etc) for which
there are distinct rules or overflow behavior, rather than exhaustively
testing all the combinations. This is aimed at finding a good tradeoff
between maintainability of the tests and thorough test coverage.

Also fixes lowering of heterogeneous shifts and comparisons. These are
currently disabled when one of the operands is an integer literal, but
we may want to allow that when the integer literal operand has a known
constant value.
2024-12-31 06:36:43 +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
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/array/base.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/array/base.carbon
var a: [i32; 1] = (1,);
var b: [f64; 2] = (11.1, 2.2,);
var c: [(); 5] = ((), (), (), (), (),);
// CHECK:STDOUT: --- base.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [template]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [template]
// CHECK:STDOUT: %int_1.1: Core.IntLiteral = int_value 1 [template]
// CHECK:STDOUT: %array_type.1: type = array_type %int_1.1, %i32 [template]
// CHECK:STDOUT: %tuple.type.1: type = tuple_type (Core.IntLiteral) [template]
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [template]
// CHECK:STDOUT: %Convert.type.2: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
// CHECK:STDOUT: %Convert.type.10: type = fn_type @Convert.2, @impl.1(%int_32) [template]
// CHECK:STDOUT: %Convert.10: %Convert.type.10 = struct_value () [template]
// CHECK:STDOUT: %interface.19: <witness> = interface_witness (%Convert.10) [template]
// CHECK:STDOUT: %Convert.bound: <bound method> = bound_method %int_1.1, %Convert.10 [template]
// CHECK:STDOUT: %Convert.specific_fn: <specific function> = specific_function %Convert.bound, @Convert.2(%int_32) [template]
// CHECK:STDOUT: %int_1.2: %i32 = int_value 1 [template]
// CHECK:STDOUT: %array.1: %array_type.1 = tuple_value (%int_1.2) [template]
// CHECK:STDOUT: %int_2: Core.IntLiteral = int_value 2 [template]
// CHECK:STDOUT: %array_type.2: type = array_type %int_2, f64 [template]
// CHECK:STDOUT: %float.1: f64 = float_literal 11.100000000000001 [template]
// CHECK:STDOUT: %float.2: f64 = float_literal 2.2000000000000002 [template]
// CHECK:STDOUT: %tuple.type.2: type = tuple_type (f64, f64) [template]
// CHECK:STDOUT: %array.2: %array_type.2 = tuple_value (%float.1, %float.2) [template]
// CHECK:STDOUT: %int_5: Core.IntLiteral = int_value 5 [template]
// CHECK:STDOUT: %array_type.3: type = array_type %int_5, %empty_tuple.type [template]
// CHECK:STDOUT: %tuple.type.3: type = tuple_type (%empty_tuple.type, %empty_tuple.type, %empty_tuple.type, %empty_tuple.type, %empty_tuple.type) [template]
// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [template]
// CHECK:STDOUT: %int_3: Core.IntLiteral = int_value 3 [template]
// CHECK:STDOUT: %int_4: Core.IntLiteral = int_value 4 [template]
// CHECK:STDOUT: %array.3: %array_type.3 = tuple_value (%empty_tuple, %empty_tuple, %empty_tuple, %empty_tuple, %empty_tuple) [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Int = %import_ref.1
// CHECK:STDOUT: .ImplicitAs = %import_ref.5
// CHECK:STDOUT: .Float = %import_ref.229
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .a = %a
// CHECK:STDOUT: .b = %b
// CHECK:STDOUT: .c = %c
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %a.var: ref %array_type.1 = var a
// CHECK:STDOUT: %a: ref %array_type.1 = bind_name a, %a.var
// CHECK:STDOUT: %b.var: ref %array_type.2 = var b
// CHECK:STDOUT: %b: ref %array_type.2 = bind_name b, %b.var
// CHECK:STDOUT: %c.var: ref %array_type.3 = var c
// CHECK:STDOUT: %c: ref %array_type.3 = bind_name c, %c.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %int_1.loc11: Core.IntLiteral = int_value 1 [template = constants.%int_1.1]
// CHECK:STDOUT: %.loc11_22.1: %tuple.type.1 = tuple_literal (%int_1.loc11)
// CHECK:STDOUT: %impl.elem0: %Convert.type.2 = interface_witness_access constants.%interface.19, element0 [template = constants.%Convert.10]
// CHECK:STDOUT: %Convert.bound: <bound method> = bound_method %int_1.loc11, %impl.elem0 [template = constants.%Convert.bound]
// CHECK:STDOUT: %Convert.specific_fn: <specific function> = specific_function %Convert.bound, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn]
// CHECK:STDOUT: %int.convert_checked: init %i32 = call %Convert.specific_fn(%int_1.loc11) [template = constants.%int_1.2]
// CHECK:STDOUT: %.loc11_22.2: init %i32 = converted %int_1.loc11, %int.convert_checked [template = constants.%int_1.2]
// CHECK:STDOUT: %int_0.loc11: Core.IntLiteral = int_value 0 [template = constants.%int_0]
// CHECK:STDOUT: %.loc11_22.3: ref %i32 = array_index file.%a.var, %int_0.loc11
// CHECK:STDOUT: %.loc11_22.4: init %i32 = initialize_from %.loc11_22.2 to %.loc11_22.3 [template = constants.%int_1.2]
// CHECK:STDOUT: %.loc11_22.5: init %array_type.1 = array_init (%.loc11_22.4) to file.%a.var [template = constants.%array.1]
// CHECK:STDOUT: %.loc11_23: init %array_type.1 = converted %.loc11_22.1, %.loc11_22.5 [template = constants.%array.1]
// CHECK:STDOUT: assign file.%a.var, %.loc11_23
// CHECK:STDOUT: %float.loc12_20: f64 = float_literal 11.100000000000001 [template = constants.%float.1]
// CHECK:STDOUT: %float.loc12_26: f64 = float_literal 2.2000000000000002 [template = constants.%float.2]
// CHECK:STDOUT: %.loc12_30.1: %tuple.type.2 = tuple_literal (%float.loc12_20, %float.loc12_26)
// CHECK:STDOUT: %int_0.loc12: Core.IntLiteral = int_value 0 [template = constants.%int_0]
// CHECK:STDOUT: %.loc12_30.2: ref f64 = array_index file.%b.var, %int_0.loc12
// CHECK:STDOUT: %.loc12_30.3: init f64 = initialize_from %float.loc12_20 to %.loc12_30.2 [template = constants.%float.1]
// CHECK:STDOUT: %int_1.loc12: Core.IntLiteral = int_value 1 [template = constants.%int_1.1]
// CHECK:STDOUT: %.loc12_30.4: ref f64 = array_index file.%b.var, %int_1.loc12
// CHECK:STDOUT: %.loc12_30.5: init f64 = initialize_from %float.loc12_26 to %.loc12_30.4 [template = constants.%float.2]
// CHECK:STDOUT: %.loc12_30.6: init %array_type.2 = array_init (%.loc12_30.3, %.loc12_30.5) to file.%b.var [template = constants.%array.2]
// CHECK:STDOUT: %.loc12_31: init %array_type.2 = converted %.loc12_30.1, %.loc12_30.6 [template = constants.%array.2]
// CHECK:STDOUT: assign file.%b.var, %.loc12_31
// CHECK:STDOUT: %.loc13_20.1: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %.loc13_24.1: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %.loc13_28.1: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %.loc13_32.1: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %.loc13_36.1: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %.loc13_38.1: %tuple.type.3 = tuple_literal (%.loc13_20.1, %.loc13_24.1, %.loc13_28.1, %.loc13_32.1, %.loc13_36.1)
// CHECK:STDOUT: %int_0.loc13: Core.IntLiteral = int_value 0 [template = constants.%int_0]
// CHECK:STDOUT: %.loc13_38.2: ref %empty_tuple.type = array_index file.%c.var, %int_0.loc13
// CHECK:STDOUT: %.loc13_20.2: init %empty_tuple.type = tuple_init () to %.loc13_38.2 [template = constants.%empty_tuple]
// CHECK:STDOUT: %.loc13_38.3: init %empty_tuple.type = converted %.loc13_20.1, %.loc13_20.2 [template = constants.%empty_tuple]
// CHECK:STDOUT: %int_1.loc13: Core.IntLiteral = int_value 1 [template = constants.%int_1.1]
// CHECK:STDOUT: %.loc13_38.4: ref %empty_tuple.type = array_index file.%c.var, %int_1.loc13
// CHECK:STDOUT: %.loc13_24.2: init %empty_tuple.type = tuple_init () to %.loc13_38.4 [template = constants.%empty_tuple]
// CHECK:STDOUT: %.loc13_38.5: init %empty_tuple.type = converted %.loc13_24.1, %.loc13_24.2 [template = constants.%empty_tuple]
// CHECK:STDOUT: %int_2: Core.IntLiteral = int_value 2 [template = constants.%int_2]
// CHECK:STDOUT: %.loc13_38.6: ref %empty_tuple.type = array_index file.%c.var, %int_2
// CHECK:STDOUT: %.loc13_28.2: init %empty_tuple.type = tuple_init () to %.loc13_38.6 [template = constants.%empty_tuple]
// CHECK:STDOUT: %.loc13_38.7: init %empty_tuple.type = converted %.loc13_28.1, %.loc13_28.2 [template = constants.%empty_tuple]
// CHECK:STDOUT: %int_3: Core.IntLiteral = int_value 3 [template = constants.%int_3]
// CHECK:STDOUT: %.loc13_38.8: ref %empty_tuple.type = array_index file.%c.var, %int_3
// CHECK:STDOUT: %.loc13_32.2: init %empty_tuple.type = tuple_init () to %.loc13_38.8 [template = constants.%empty_tuple]
// CHECK:STDOUT: %.loc13_38.9: init %empty_tuple.type = converted %.loc13_32.1, %.loc13_32.2 [template = constants.%empty_tuple]
// CHECK:STDOUT: %int_4: Core.IntLiteral = int_value 4 [template = constants.%int_4]
// CHECK:STDOUT: %.loc13_38.10: ref %empty_tuple.type = array_index file.%c.var, %int_4
// CHECK:STDOUT: %.loc13_36.2: init %empty_tuple.type = tuple_init () to %.loc13_38.10 [template = constants.%empty_tuple]
// CHECK:STDOUT: %.loc13_38.11: init %empty_tuple.type = converted %.loc13_36.1, %.loc13_36.2 [template = constants.%empty_tuple]
// CHECK:STDOUT: %.loc13_38.12: init %array_type.3 = array_init (%.loc13_38.3, %.loc13_38.5, %.loc13_38.7, %.loc13_38.9, %.loc13_38.11) to file.%c.var [template = constants.%array.3]
// CHECK:STDOUT: %.loc13_39: init %array_type.3 = converted %.loc13_38.1, %.loc13_38.12 [template = constants.%array.3]
// CHECK:STDOUT: assign file.%c.var, %.loc13_39
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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