carbon-lang/toolchain/check/testdata/basics/numeric_literals.carbon

// 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 F() {
  // 8 and 9 trigger special behavior in APInt when mishandling signed versus
  // unsigned, so we pay extra attention to those.
  var ints: [i32; 5] = (
    8,
    9,
    0x8,
    0b1000,
    39999999999999999993,
  );
  var floats: [f64; 7] = (
    0.9,
    8.0,
    80.0,
    1.0e7,
    1.0e8,
    1.0e-8,
    39999999999999999993.0e39999999999999999993,
  );
}

// CHECK:STDOUT: file "numeric_literals.carbon" {
// CHECK:STDOUT:   %.loc7 = fn_decl @F
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %.loc10_19: i32 = int_literal 5
// CHECK:STDOUT:   %.loc10_20: type = array_type %.loc10_19, i32
// CHECK:STDOUT:   %ints: ref [i32; 5] = var "ints"
// CHECK:STDOUT:   %.loc11: i32 = int_literal 8
// CHECK:STDOUT:   %.loc12: i32 = int_literal 9
// CHECK:STDOUT:   %.loc13: i32 = int_literal 8
// CHECK:STDOUT:   %.loc14: i32 = int_literal 8
// CHECK:STDOUT:   %.loc15: i32 = int_literal 39999999999999999993
// CHECK:STDOUT:   %.loc16_3.1: type = tuple_type (i32, i32, i32, i32, i32)
// CHECK:STDOUT:   %.loc16_3.2: (i32, i32, i32, i32, i32) = tuple_literal (%.loc11, %.loc12, %.loc13, %.loc14, %.loc15)
// CHECK:STDOUT:   %.loc16_3.3: i32 = int_literal 0
// CHECK:STDOUT:   %.loc16_3.4: ref i32 = array_index %ints, %.loc16_3.3
// CHECK:STDOUT:   %.loc16_3.5: init i32 = initialize_from %.loc11 to %.loc16_3.4
// CHECK:STDOUT:   %.loc16_3.6: i32 = int_literal 1
// CHECK:STDOUT:   %.loc16_3.7: ref i32 = array_index %ints, %.loc16_3.6
// CHECK:STDOUT:   %.loc16_3.8: init i32 = initialize_from %.loc12 to %.loc16_3.7
// CHECK:STDOUT:   %.loc16_3.9: i32 = int_literal 2
// CHECK:STDOUT:   %.loc16_3.10: ref i32 = array_index %ints, %.loc16_3.9
// CHECK:STDOUT:   %.loc16_3.11: init i32 = initialize_from %.loc13 to %.loc16_3.10
// CHECK:STDOUT:   %.loc16_3.12: i32 = int_literal 3
// CHECK:STDOUT:   %.loc16_3.13: ref i32 = array_index %ints, %.loc16_3.12
// CHECK:STDOUT:   %.loc16_3.14: init i32 = initialize_from %.loc14 to %.loc16_3.13
// CHECK:STDOUT:   %.loc16_3.15: i32 = int_literal 4
// CHECK:STDOUT:   %.loc16_3.16: ref i32 = array_index %ints, %.loc16_3.15
// CHECK:STDOUT:   %.loc16_3.17: init i32 = initialize_from %.loc15 to %.loc16_3.16
// CHECK:STDOUT:   %.loc16_3.18: init [i32; 5] = array_init %.loc16_3.2, (%.loc16_3.5, %.loc16_3.8, %.loc16_3.11, %.loc16_3.14, %.loc16_3.17) to %ints
// CHECK:STDOUT:   assign %ints, %.loc16_3.18
// CHECK:STDOUT:   %.loc17_21: i32 = int_literal 7
// CHECK:STDOUT:   %.loc17_22: type = array_type %.loc17_21, f64
// CHECK:STDOUT:   %floats: ref [f64; 7] = var "floats"
// CHECK:STDOUT:   %.loc18: f64 = real_literal 9e-1
// CHECK:STDOUT:   %.loc19: f64 = real_literal 80e-1
// CHECK:STDOUT:   %.loc20: f64 = real_literal 800e-1
// CHECK:STDOUT:   %.loc21: f64 = real_literal 10e6
// CHECK:STDOUT:   %.loc22: f64 = real_literal 10e7
// CHECK:STDOUT:   %.loc23: f64 = real_literal 10e-9
// CHECK:STDOUT:   %.loc24: f64 = real_literal 399999999999999999930e39999999999999999992
// CHECK:STDOUT:   %.loc25_3.1: type = tuple_type (f64, f64, f64, f64, f64, f64, f64)
// CHECK:STDOUT:   %.loc25_3.2: (f64, f64, f64, f64, f64, f64, f64) = tuple_literal (%.loc18, %.loc19, %.loc20, %.loc21, %.loc22, %.loc23, %.loc24)
// CHECK:STDOUT:   %.loc25_3.3: i32 = int_literal 0
// CHECK:STDOUT:   %.loc25_3.4: ref f64 = array_index %floats, %.loc25_3.3
// CHECK:STDOUT:   %.loc25_3.5: init f64 = initialize_from %.loc18 to %.loc25_3.4
// CHECK:STDOUT:   %.loc25_3.6: i32 = int_literal 1
// CHECK:STDOUT:   %.loc25_3.7: ref f64 = array_index %floats, %.loc25_3.6
// CHECK:STDOUT:   %.loc25_3.8: init f64 = initialize_from %.loc19 to %.loc25_3.7
// CHECK:STDOUT:   %.loc25_3.9: i32 = int_literal 2
// CHECK:STDOUT:   %.loc25_3.10: ref f64 = array_index %floats, %.loc25_3.9
// CHECK:STDOUT:   %.loc25_3.11: init f64 = initialize_from %.loc20 to %.loc25_3.10
// CHECK:STDOUT:   %.loc25_3.12: i32 = int_literal 3
// CHECK:STDOUT:   %.loc25_3.13: ref f64 = array_index %floats, %.loc25_3.12
// CHECK:STDOUT:   %.loc25_3.14: init f64 = initialize_from %.loc21 to %.loc25_3.13
// CHECK:STDOUT:   %.loc25_3.15: i32 = int_literal 4
// CHECK:STDOUT:   %.loc25_3.16: ref f64 = array_index %floats, %.loc25_3.15
// CHECK:STDOUT:   %.loc25_3.17: init f64 = initialize_from %.loc22 to %.loc25_3.16
// CHECK:STDOUT:   %.loc25_3.18: i32 = int_literal 5
// CHECK:STDOUT:   %.loc25_3.19: ref f64 = array_index %floats, %.loc25_3.18
// CHECK:STDOUT:   %.loc25_3.20: init f64 = initialize_from %.loc23 to %.loc25_3.19
// CHECK:STDOUT:   %.loc25_3.21: i32 = int_literal 6
// CHECK:STDOUT:   %.loc25_3.22: ref f64 = array_index %floats, %.loc25_3.21
// CHECK:STDOUT:   %.loc25_3.23: init f64 = initialize_from %.loc24 to %.loc25_3.22
// CHECK:STDOUT:   %.loc25_3.24: init [f64; 7] = array_init %.loc25_3.2, (%.loc25_3.5, %.loc25_3.8, %.loc25_3.11, %.loc25_3.14, %.loc25_3.17, %.loc25_3.20, %.loc25_3.23) to %floats
// CHECK:STDOUT:   assign %floats, %.loc25_3.24
// CHECK:STDOUT:   return
// CHECK:STDOUT: }