// 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/lower/testdata/pointer/basic.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/pointer/basic.carbon

fn G(p: i32*) -> i32 {
  return *p;
}

fn F() -> i32 {
  var n: i32 = 0;
  return G(&n);
}

// CHECK:STDOUT: ; ---
// CHECK:STDOUT: ; ModuleID = 'basic.carbon'
// CHECK:STDOUT: source_filename = "basic.carbon"
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define i32 @_CG.Main(ptr %p) #0 !dbg !26 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT:   %.loc14_10.2 = load i32, ptr %p, align 4, !dbg !32
// CHECK:STDOUT:   ret i32 %.loc14_10.2, !dbg !33
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define i32 @_CF.Main() #0 !dbg !35 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT:   %n.var = alloca i32, align 4, !dbg !38
// CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %n.var), !dbg !38
// CHECK:STDOUT:   store i32 0, ptr %n.var, align 4, !dbg !38
// CHECK:STDOUT:   %G.call = call i32 @_CG.Main(ptr %n.var), !dbg !42
// CHECK:STDOUT:   call void @_CSelfDestruct.Core.f127f30143696d51(ptr %n.var), !dbg !38
// CHECK:STDOUT:   ret i32 %G.call, !dbg !45
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
// CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #1
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @_CSelfDestruct.Core.f127f30143696d51(ptr %t) #0 !dbg !46 {
// CHECK:STDOUT:   ret void, !dbg !51
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: attributes #0 = { nounwind }
// CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
// CHECK:STDOUT:
// CHECK:STDOUT: !llvm.dbg.cu = !{!19}
// CHECK:STDOUT: !llvm.module.flags = !{!2, !3}
// CHECK:STDOUT:
// CHECK:STDOUT: !2 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !3 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !10 = !DIFile(filename: "min_prelude/parts/destroy.carbon", directory: "")
// CHECK:STDOUT: !18 = !DIFile(filename: "basic.carbon", directory: "")
// CHECK:STDOUT: !19 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !18, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !20 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
// CHECK:STDOUT: !21 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
// CHECK:STDOUT: !22 = !{!20, !21}
// CHECK:STDOUT: !23 = !DISubroutineType(types: !22)
// CHECK:STDOUT: !24 = !{!20}
// CHECK:STDOUT: !25 = !DISubroutineType(types: !24)
// CHECK:STDOUT: !26 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main", scope: null, file: !18, line: 13, type: !23, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !34)
// CHECK:STDOUT: !27 = !DILocalVariable(arg: 1, scope: !26, type: !21)
// CHECK:STDOUT: !32 = !DILocation(line: 14, column: 10, scope: !26)
// CHECK:STDOUT: !33 = !DILocation(line: 14, column: 3, scope: !26)
// CHECK:STDOUT: !34 = !{!27}
// CHECK:STDOUT: !35 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main", scope: null, file: !18, line: 17, type: !25, spFlags: DISPFlagDefinition, unit: !19)
// CHECK:STDOUT: !38 = !DILocation(line: 18, column: 3, scope: !35)
// CHECK:STDOUT: !42 = !DILocation(line: 19, column: 10, scope: !35)
// CHECK:STDOUT: !43 = !{null, !20}
// CHECK:STDOUT: !44 = !DISubroutineType(types: !43)
// CHECK:STDOUT: !45 = !DILocation(line: 19, column: 3, scope: !35)
// CHECK:STDOUT: !46 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.Core.f127f30143696d51", scope: null, file: !10, line: 32, type: !44, spFlags: DISPFlagDefinition, unit: !19, retainedNodes: !52)
// CHECK:STDOUT: !47 = !DILocalVariable(arg: 1, scope: !46, type: !20)
// CHECK:STDOUT: !51 = !DILocation(line: 32, column: 1, scope: !46)
// CHECK:STDOUT: !52 = !{!47}
// CHECK:STDOUT: