carbon-lang/toolchain/lower/testdata/builtins/int_literal.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/full.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/lower/testdata/builtins/int_literal.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/builtins/int_literal.carbon

fn Make() -> type = "int_literal.make_type";

fn Copy(x: Make()) -> Make() {
  return x;
}

fn MinusOne() -> i32 {
  return -1;
}

fn IntMax() -> i32 {
  return 0x1_0000_0000_0000_0000 / 0x2_0000_0000 - 1;
}

fn IntMin() -> i32 {
  return -0x8000_0000;
}

// CHECK:STDOUT: ; ModuleID = 'int_literal.carbon'
// CHECK:STDOUT: source_filename = "int_literal.carbon"
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define {} @_CCopy.Main({} %x) #0 !dbg !4 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT:   ret {} %x, !dbg !10
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define i32 @_CMinusOne.Main() #0 !dbg !11 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT:   ret i32 -1, !dbg !15
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define i32 @_CIntMax.Main() #0 !dbg !16 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT:   ret i32 2147483647, !dbg !17
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define i32 @_CIntMin.Main() #0 !dbg !18 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT:   ret i32 -2147483648, !dbg !19
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: attributes #0 = { nounwind }
// CHECK:STDOUT:
// CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
// CHECK:STDOUT: !llvm.dbg.cu = !{!2}
// CHECK:STDOUT:
// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !3 = !DIFile(filename: "int_literal.carbon", directory: "")
// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Copy", linkageName: "_CCopy.Main", scope: null, file: !3, line: 15, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !8)
// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
// CHECK:STDOUT: !6 = !{!7, !7}
// CHECK:STDOUT: !7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
// CHECK:STDOUT: !8 = !{!9}
// CHECK:STDOUT: !9 = !DILocalVariable(arg: 1, scope: !4, type: !7)
// CHECK:STDOUT: !10 = !DILocation(line: 16, column: 3, scope: !4)
// CHECK:STDOUT: !11 = distinct !DISubprogram(name: "MinusOne", linkageName: "_CMinusOne.Main", scope: null, file: !3, line: 19, type: !12, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !12 = !DISubroutineType(types: !13)
// CHECK:STDOUT: !13 = !{!14}
// CHECK:STDOUT: !14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
// CHECK:STDOUT: !15 = !DILocation(line: 20, column: 3, scope: !11)
// CHECK:STDOUT: !16 = distinct !DISubprogram(name: "IntMax", linkageName: "_CIntMax.Main", scope: null, file: !3, line: 23, type: !12, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !17 = !DILocation(line: 24, column: 3, scope: !16)
// CHECK:STDOUT: !18 = distinct !DISubprogram(name: "IntMin", linkageName: "_CIntMin.Main", scope: null, file: !3, line: 27, type: !12, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !19 = !DILocation(line: 28, column: 3, scope: !18)