carbon-lang/toolchain/check/testdata/builtins/int/umul.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
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/int.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/builtins/int/umul.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/builtins/int/umul.carbon

// --- int_mul.carbon

library "[[@TEST_NAME]]";

fn Mul(a: i32, b: i32) -> i32 = "int.umul";

var arr: array(i32, Mul(3, 2));
let arr_p: array(i32, 6)* = &arr;

fn RuntimeCallIsValid(a: i32, b: i32) -> i32 {
  //@dump-sem-ir-begin
  return Mul(a, b);
  //@dump-sem-ir-end
}

// --- overflow.carbon

library "[[@TEST_NAME]]";

fn Mul(a: i32, b: i32) -> i32 = "int.umul";

let a: i32 = Mul(0x7FFF, 0x10000);
let b: i32 = Mul(0x8000, 0x10000);

// CHECK:STDOUT: --- int_mul.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT:   %Mul.type: type = fn_type @Mul [concrete]
// CHECK:STDOUT:   %Mul: %Mul.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @RuntimeCallIsValid(%a.param: %i32, %b.param: %i32) -> %i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %Mul.ref: %Mul.type = name_ref Mul, file.%Mul.decl [concrete = constants.%Mul]
// CHECK:STDOUT:   %a.ref: %i32 = name_ref a, %a
// CHECK:STDOUT:   %b.ref: %i32 = name_ref b, %b
// CHECK:STDOUT:   %Mul.call: init %i32 = call %Mul.ref(%a.ref, %b.ref)
// CHECK:STDOUT:   return %Mul.call to %return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: