// 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/convert.carbon
// EXTRA-ARGS: --no-gen-implicit-type-impls
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/lower/testdata/function/definition/destroy.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/function/definition/destroy.carbon

// --- has_destroy.carbon

library "[[@TEST_NAME]]";

class HasDestroy {
  // TODO: Use `fn destroy` instead once lowering supports it.
  impl as Core.Destroy {
    fn Op[self: Self]();
  }
}

// --- let_param.carbon

library "[[@TEST_NAME]]";
import library "has_destroy";

fn F(x: HasDestroy) {
}

fn G();

fn CallF() {
  F({});
  // TODO: The `HasDestroy` instance is destroyed after the call to `G()`, and
  // should be destroyed before.
  G();
}

// --- var_param.carbon

library "[[@TEST_NAME]]";
import library "has_destroy";

fn F(var x: HasDestroy) {
}

fn G();

fn CallF() {
  F({});
  // TODO: The `HasDestroy` instance is destroyed after the call to `G()`, and
  // should be destroyed before.
  G();
}

// --- return_slot.carbon

library "[[@TEST_NAME]]";
import library "has_destroy";

fn F() -> HasDestroy {
  return {};
}

fn G();

fn Forward() -> HasDestroy {
  return F();
}

fn InitVar() {
  var local: HasDestroy = F();
  G();
}

fn InitLet() {
  let local: HasDestroy = F();
  G();
}

// CHECK:STDOUT: ; ModuleID = 'has_destroy.carbon'
// CHECK:STDOUT: source_filename = "has_destroy.carbon"
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @"_COp.HasDestroy.Main:Destroy.Core"(ptr)
// CHECK:STDOUT:
// CHECK:STDOUT: define void @"_COp:thunk.HasDestroy.Main:Destroy.Core"(ptr %self) !dbg !4 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT:   call void @"_COp.HasDestroy.Main:Destroy.Core"(ptr %self), !dbg !7
// CHECK:STDOUT:   ret void, !dbg !7
// CHECK:STDOUT: }
// 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, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !3 = !DIFile(filename: "has_destroy.carbon", directory: "")
// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Op", linkageName: "_COp:thunk.HasDestroy.Main:Destroy.Core", scope: null, file: !3, line: 7, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
// CHECK:STDOUT: !6 = !{}
// CHECK:STDOUT: !7 = !DILocation(line: 7, column: 5, scope: !4)
// CHECK:STDOUT: ; ModuleID = 'let_param.carbon'
// CHECK:STDOUT: source_filename = "let_param.carbon"
// CHECK:STDOUT:
// CHECK:STDOUT: @HasDestroy.val.loc11_6.3 = internal constant {} zeroinitializer
// CHECK:STDOUT:
// CHECK:STDOUT: define void @_CF.Main(ptr %x) !dbg !4 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT:   ret void, !dbg !7
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @_CG.Main()
// CHECK:STDOUT:
// CHECK:STDOUT: define void @_CCallF.Main() !dbg !8 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT:   %.loc11_6.2.temp = alloca {}, align 8, !dbg !9
// CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc11_6.2.temp), !dbg !9
// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %.loc11_6.2.temp, ptr align 1 @HasDestroy.val.loc11_6.3, i64 0, i1 false), !dbg !9
// CHECK:STDOUT:   call void @_CF.Main(ptr %.loc11_6.2.temp), !dbg !10
// CHECK:STDOUT:   call void @_CG.Main(), !dbg !11
// CHECK:STDOUT:   call void @"_COp.HasDestroy.Main:Destroy.Core"(ptr %.loc11_6.2.temp), !dbg !9
// CHECK:STDOUT:   ret void, !dbg !12
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @"_COp:thunk.HasDestroy.Main:Destroy.Core"(ptr)
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @"_COp.HasDestroy.Main:Destroy.Core"(ptr)
// 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)) #0
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #1
// CHECK:STDOUT:
// CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
// CHECK:STDOUT: attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
// 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, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !3 = !DIFile(filename: "let_param.carbon", directory: "")
// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main", scope: null, file: !3, line: 5, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
// CHECK:STDOUT: !6 = !{}
// CHECK:STDOUT: !7 = !DILocation(line: 5, column: 1, scope: !4)
// CHECK:STDOUT: !8 = distinct !DISubprogram(name: "CallF", linkageName: "_CCallF.Main", scope: null, file: !3, line: 10, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !9 = !DILocation(line: 11, column: 5, scope: !8)
// CHECK:STDOUT: !10 = !DILocation(line: 11, column: 3, scope: !8)
// CHECK:STDOUT: !11 = !DILocation(line: 14, column: 3, scope: !8)
// CHECK:STDOUT: !12 = !DILocation(line: 10, column: 1, scope: !8)
// CHECK:STDOUT: ; ModuleID = 'var_param.carbon'
// CHECK:STDOUT: source_filename = "var_param.carbon"
// CHECK:STDOUT:
// CHECK:STDOUT: @HasDestroy.val.loc5_6.2 = internal constant {} zeroinitializer
// CHECK:STDOUT:
// CHECK:STDOUT: define void @_CF.Main(ptr %x) !dbg !4 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT:   ret void, !dbg !7
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @_CG.Main()
// CHECK:STDOUT:
// CHECK:STDOUT: define void @_CCallF.Main() !dbg !8 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT:   %.loc5_6.1.temp = alloca {}, align 8, !dbg !9
// CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc5_6.1.temp), !dbg !9
// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %.loc5_6.1.temp, ptr align 1 @HasDestroy.val.loc5_6.2, i64 0, i1 false), !dbg !9
// CHECK:STDOUT:   call void @_CF.Main(ptr %.loc5_6.1.temp), !dbg !10
// CHECK:STDOUT:   call void @_CG.Main(), !dbg !11
// CHECK:STDOUT:   call void @"_COp.HasDestroy.Main:Destroy.Core"(ptr %.loc5_6.1.temp), !dbg !9
// CHECK:STDOUT:   ret void, !dbg !12
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @"_COp:thunk.HasDestroy.Main:Destroy.Core"(ptr)
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @"_COp.HasDestroy.Main:Destroy.Core"(ptr)
// 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)) #0
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #1
// CHECK:STDOUT:
// CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
// CHECK:STDOUT: attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
// 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, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !3 = !DIFile(filename: "var_param.carbon", directory: "")
// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main", scope: null, file: !3, line: 5, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
// CHECK:STDOUT: !6 = !{}
// CHECK:STDOUT: !7 = !DILocation(line: 5, column: 1, scope: !4)
// CHECK:STDOUT: !8 = distinct !DISubprogram(name: "CallF", linkageName: "_CCallF.Main", scope: null, file: !3, line: 10, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !9 = !DILocation(line: 5, column: 6, scope: !8)
// CHECK:STDOUT: !10 = !DILocation(line: 11, column: 3, scope: !8)
// CHECK:STDOUT: !11 = !DILocation(line: 14, column: 3, scope: !8)
// CHECK:STDOUT: !12 = !DILocation(line: 10, column: 1, scope: !8)
// CHECK:STDOUT: ; ModuleID = 'return_slot.carbon'
// CHECK:STDOUT: source_filename = "return_slot.carbon"
// CHECK:STDOUT:
// CHECK:STDOUT: @HasDestroy.val.loc6_12 = internal constant {} zeroinitializer
// CHECK:STDOUT:
// CHECK:STDOUT: define void @_CF.Main(ptr sret({}) %return) !dbg !4 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT:   call void @llvm.memcpy.p0.p0.i64(ptr align 1 %return, ptr align 1 @HasDestroy.val.loc6_12, i64 0, i1 false), !dbg !7
// CHECK:STDOUT:   ret void, !dbg !7
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @_CG.Main()
// CHECK:STDOUT:
// CHECK:STDOUT: define void @_CForward.Main(ptr sret({}) %return) !dbg !8 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT:   call void @_CF.Main(ptr %return), !dbg !9
// CHECK:STDOUT:   ret void, !dbg !10
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define void @_CInitVar.Main() !dbg !11 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT:   %local.var = alloca {}, align 8, !dbg !12
// CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %local.var), !dbg !12
// CHECK:STDOUT:   call void @_CF.Main(ptr %local.var), !dbg !13
// CHECK:STDOUT:   call void @_CG.Main(), !dbg !14
// CHECK:STDOUT:   call void @"_COp.HasDestroy.Main:Destroy.Core"(ptr %local.var), !dbg !12
// CHECK:STDOUT:   ret void, !dbg !15
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @"_COp:thunk.HasDestroy.Main:Destroy.Core"(ptr)
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @"_COp.HasDestroy.Main:Destroy.Core"(ptr)
// CHECK:STDOUT:
// CHECK:STDOUT: define void @_CInitLet.Main() !dbg !16 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT:   %.loc21_29.1.temp = alloca {}, align 8, !dbg !17
// CHECK:STDOUT:   call void @llvm.lifetime.start.p0(ptr %.loc21_29.1.temp), !dbg !17
// CHECK:STDOUT:   call void @_CF.Main(ptr %.loc21_29.1.temp), !dbg !17
// CHECK:STDOUT:   call void @_CG.Main(), !dbg !18
// CHECK:STDOUT:   call void @"_COp.HasDestroy.Main:Destroy.Core"(ptr %.loc21_29.1.temp), !dbg !17
// CHECK:STDOUT:   ret void, !dbg !19
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #0
// 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: ; uselistorder directives
// CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 1, 0 }
// CHECK:STDOUT:
// CHECK:STDOUT: attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
// CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
// 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, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !3 = !DIFile(filename: "return_slot.carbon", directory: "")
// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main", scope: null, file: !3, line: 5, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
// CHECK:STDOUT: !6 = !{}
// CHECK:STDOUT: !7 = !DILocation(line: 6, column: 3, scope: !4)
// CHECK:STDOUT: !8 = distinct !DISubprogram(name: "Forward", linkageName: "_CForward.Main", scope: null, file: !3, line: 11, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !9 = !DILocation(line: 12, column: 10, scope: !8)
// CHECK:STDOUT: !10 = !DILocation(line: 12, column: 3, scope: !8)
// CHECK:STDOUT: !11 = distinct !DISubprogram(name: "InitVar", linkageName: "_CInitVar.Main", scope: null, file: !3, line: 15, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !12 = !DILocation(line: 16, column: 3, scope: !11)
// CHECK:STDOUT: !13 = !DILocation(line: 16, column: 27, scope: !11)
// CHECK:STDOUT: !14 = !DILocation(line: 17, column: 3, scope: !11)
// CHECK:STDOUT: !15 = !DILocation(line: 15, column: 1, scope: !11)
// CHECK:STDOUT: !16 = distinct !DISubprogram(name: "InitLet", linkageName: "_CInitLet.Main", scope: null, file: !3, line: 20, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !17 = !DILocation(line: 21, column: 27, scope: !16)
// CHECK:STDOUT: !18 = !DILocation(line: 22, column: 3, scope: !16)
// CHECK:STDOUT: !19 = !DILocation(line: 20, column: 1, scope: !16)