Files
carbon-lang/toolchain/lower/testdata/for/bindings.carbon
T
Nicholas Bishop cf66fb8aeb roll llvm to 7024b9e1b423b3c3c6ac76ab6a73cb2c9e4ef842 (#7781)
Updated patch 0006 to include new files added in
https://github.com/llvm/llvm-project/pull/207543.

Dropped patch 0009 which was upstreamed in:
https://github.com/llvm/llvm-project/pull/190088

Minor updates to patch 0011 for changes upstream.

Minor updates in export.cpp to use `llvm::FoldingSetInsertToken` instead
of a void pointer.
2026-09-14 21:54:09 +00:00

320 lines
21 KiB
Plaintext

// 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/for/bindings.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/for/bindings.carbon
class EmptyRange(T: Core.Copy & Core.Destroy) {
impl as Core.Iterate where .CursorType = {} and .ElementType = T {
fn NewCursor(unused self) -> {} {
return {};
}
fn Next(unused self, _: {}*) -> Core.Optional(T) {
return Core.Optional(T).None();
}
}
}
fn F(m: i32, n: i32*);
fn For() {
var r: EmptyRange((i32, i32)) = {};
for ((m: i32, var n: i32) in r) {
F(m, &n);
}
}
// CHECK:STDOUT: ; ---
// CHECK:STDOUT: ; ModuleID = 'bindings.carbon'
// CHECK:STDOUT: source_filename = "bindings.carbon"
// CHECK:STDOUT:
// CHECK:STDOUT: @EmptyRange.val.loc27_3 = internal constant {} zeroinitializer
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @_CF.Main(i32, ptr)
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define void @_CFor.Main() #0 !dbg !16 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %r.var = alloca {}, align 1, !dbg !17
// CHECK:STDOUT: %n.var = alloca i32, align 4, !dbg !19
// CHECK:STDOUT: %var = alloca {}, align 1, !dbg !22
// CHECK:STDOUT: %.loc29_33.1.temp = alloca <{ { i32, i32 }, i1 }>, align 4, !dbg !22
// CHECK:STDOUT: %.loc29_33.8.temp = alloca { i32, i32 }, align 4, !dbg !22
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %r.var), !dbg !17
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 1 %r.var, ptr align 1 @EmptyRange.val.loc27_3, i64 0, i1 false), !dbg !17
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %n.var), !dbg !19
// CHECK:STDOUT: call void @"_CNewCursor.EmptyRange.a081b942542726db.Main:Iterate.Core.6ce0b798b8ba1b7f"(ptr %r.var), !dbg !22
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %var), !dbg !22
// CHECK:STDOUT: br label %for.next, !dbg !22
// CHECK:STDOUT:
// CHECK:STDOUT: for.next: ; preds = %for.body, %entry
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc29_33.1.temp), !dbg !22
// CHECK:STDOUT: call void @"_CNext.EmptyRange.a081b942542726db.Main:Iterate.Core.6ce0b798b8ba1b7f"(ptr %.loc29_33.1.temp, ptr %r.var, ptr %var), !dbg !22
// CHECK:STDOUT: %Optional.HasValue.call = call i1 @_CHasValue.Optional.Core.f24ed4cfd4dc70ce(ptr %.loc29_33.1.temp), !dbg !22
// CHECK:STDOUT: br i1 %Optional.HasValue.call, label %for.body, label %for.done, !dbg !22
// CHECK:STDOUT:
// CHECK:STDOUT: for.body: ; preds = %for.next
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc29_33.8.temp), !dbg !22
// CHECK:STDOUT: call void @_CGet.Optional.Core.f24ed4cfd4dc70ce(ptr %.loc29_33.8.temp, ptr %.loc29_33.1.temp), !dbg !22
// CHECK:STDOUT: %tuple.elem0.tuple.elem = getelementptr inbounds nuw { i32, i32 }, ptr %.loc29_33.8.temp, i32 0, i32 0, !dbg !22
// CHECK:STDOUT: %tuple.elem1.tuple.elem = getelementptr inbounds nuw { i32, i32 }, ptr %.loc29_33.8.temp, i32 0, i32 1, !dbg !22
// CHECK:STDOUT: %.loc29_33.11 = load i32, ptr %tuple.elem0.tuple.elem, align 4, !dbg !22
// CHECK:STDOUT: %.loc29_33.12 = load i32, ptr %tuple.elem1.tuple.elem, align 4, !dbg !22
// CHECK:STDOUT: store i32 %.loc29_33.12, ptr %n.var, align 4, !dbg !19
// CHECK:STDOUT: call void @_CF.Main(i32 %.loc29_33.11, ptr %n.var), !dbg !32
// CHECK:STDOUT: call void @"_COp.7ebc50e8bd9eb2f1:core.Destroy.Core"(ptr %.loc29_33.8.temp), !dbg !22
// CHECK:STDOUT: call void @"_COp.d151bf443fefa495:core.Destroy.Core"(ptr %.loc29_33.1.temp), !dbg !22
// CHECK:STDOUT: call void @"_COp.70db2d92ffddbef7:core.Destroy.Core"(ptr %n.var), !dbg !19
// CHECK:STDOUT: br label %for.next, !dbg !33
// CHECK:STDOUT:
// CHECK:STDOUT: for.done: ; preds = %for.next
// CHECK:STDOUT: call void @"_COp.d151bf443fefa495:core.Destroy.Core"(ptr %.loc29_33.1.temp), !dbg !22
// CHECK:STDOUT: call void @"_COp.70db2d92ffddbef7:core.Destroy.Core"(ptr %n.var), !dbg !19
// CHECK:STDOUT: call void @"_COp.2f1484e6f9f8724d:core.Destroy.Core"(ptr %r.var), !dbg !17
// CHECK:STDOUT: ret void, !dbg !34
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_COp.70db2d92ffddbef7:core.Destroy.Core"(ptr %self) #0 !dbg !35 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !37
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_COp.7ebc50e8bd9eb2f1:core.Destroy.Core"(ptr %self) #0 !dbg !39 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !41
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @"_COp.6f4dee545ed23f91:core.Destroy.Core"(ptr)
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_COp.927f3a4d5771ff29:core.Destroy.Core"(ptr %self) #0 !dbg !43 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !45
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_COp.2b5bebaac7360e57:core.Destroy.Core"(ptr %self) #0 !dbg !47 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !49
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_COp.5af6617ed1d8eba3:core.Destroy.Core"(ptr %self) #0 !dbg !51 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !53
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_COp.29436536cefc14d3:core.Destroy.Core"(ptr %self) #0 !dbg !55 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !57
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_COp.d151bf443fefa495:core.Destroy.Core"(ptr %self) #0 !dbg !59 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !61
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_COp.2f1484e6f9f8724d:core.Destroy.Core"(ptr %self) #0 !dbg !63 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !65
// 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: nocallback nofree nosync 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: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @"_CNewCursor.EmptyRange.a081b942542726db.Main:Iterate.Core.6ce0b798b8ba1b7f"(ptr %self) #0 !dbg !67 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !72
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @"_CNext.EmptyRange.a081b942542726db.Main:Iterate.Core.6ce0b798b8ba1b7f"(ptr sret(<{ { i32, i32 }, i1 }>) %return, ptr %self, ptr %_) #0 !dbg !74 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @_CNone.Optional.Core.f24ed4cfd4dc70ce(ptr %return), !dbg !81
// CHECK:STDOUT: ret void, !dbg !84
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr i1 @_CHasValue.Optional.Core.f24ed4cfd4dc70ce(ptr %self) #0 !dbg !87 {
// CHECK:STDOUT: %1 = call i1 @"_CHas.5d6f3f3a4b44a8f1:OptionalStorage.Core.6ce0b798b8ba1b7f"(ptr %self), !dbg !93
// CHECK:STDOUT: ret i1 %1, !dbg !94
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @_CGet.Optional.Core.f24ed4cfd4dc70ce(ptr sret({ i32, i32 }) %return, ptr %self) #0 !dbg !96 {
// CHECK:STDOUT: call void @"_CGet.5d6f3f3a4b44a8f1:OptionalStorage.Core.6ce0b798b8ba1b7f"(ptr %return, ptr %self), !dbg !102
// CHECK:STDOUT: ret void, !dbg !103
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @_CNone.Optional.Core.f24ed4cfd4dc70ce(ptr sret(<{ { i32, i32 }, i1 }>) %return) #0 !dbg !105 {
// CHECK:STDOUT: call void @"_CNone.5d6f3f3a4b44a8f1:OptionalStorage.Core.6ce0b798b8ba1b7f"(ptr %return), !dbg !108
// CHECK:STDOUT: ret void, !dbg !109
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr i1 @"_CHas.5d6f3f3a4b44a8f1:OptionalStorage.Core.6ce0b798b8ba1b7f"(ptr %value) #0 !dbg !110 {
// CHECK:STDOUT: %has_value = getelementptr inbounds nuw <{ { i32, i32 }, i1 }>, ptr %value, i32 0, i32 1, !dbg !115
// CHECK:STDOUT: %1 = load i8, ptr %has_value, align 1, !dbg !115
// CHECK:STDOUT: %2 = trunc i8 %1 to i1, !dbg !115
// CHECK:STDOUT: ret i1 %2, !dbg !116
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @"_CGet.5d6f3f3a4b44a8f1:OptionalStorage.Core.6ce0b798b8ba1b7f"(ptr sret({ i32, i32 }) %return, ptr %value) #0 !dbg !118 {
// CHECK:STDOUT: %value1 = getelementptr inbounds nuw <{ { i32, i32 }, i1 }>, ptr %value, i32 0, i32 0, !dbg !123
// CHECK:STDOUT: call void @"_COp.4e4edddc7580c79b:Copy.Core.8608f3c6f62d80cb"(ptr %return, ptr %value1), !dbg !123
// CHECK:STDOUT: ret void, !dbg !124
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @"_CNone.5d6f3f3a4b44a8f1:OptionalStorage.Core.6ce0b798b8ba1b7f"(ptr sret(<{ { i32, i32 }, i1 }>) %return) #0 !dbg !126 {
// CHECK:STDOUT: %has_value = getelementptr inbounds nuw <{ { i32, i32 }, i1 }>, ptr %return, i32 0, i32 1, !dbg !133
// CHECK:STDOUT: store i8 0, ptr %has_value, align 1, !dbg !133
// CHECK:STDOUT: ret void, !dbg !134
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @"_COp.4e4edddc7580c79b:Copy.Core.8608f3c6f62d80cb"(ptr sret({ i32, i32 }) %return, ptr %self) #0 !dbg !136 {
// CHECK:STDOUT: %tuple.elem = getelementptr inbounds nuw { i32, i32 }, ptr %self, i32 0, i32 0, !dbg !141
// CHECK:STDOUT: %tuple.elem.load = load i32, ptr %tuple.elem, align 4, !dbg !141
// CHECK:STDOUT: %tuple.elem1 = getelementptr inbounds nuw { i32, i32 }, ptr %return, i32 0, i32 0, !dbg !142
// CHECK:STDOUT: %tuple.elem2 = getelementptr inbounds nuw { i32, i32 }, ptr %self, i32 0, i32 1, !dbg !143
// CHECK:STDOUT: %tuple.elem.load3 = load i32, ptr %tuple.elem2, align 4, !dbg !143
// CHECK:STDOUT: %tuple.elem4 = getelementptr inbounds nuw { i32, i32 }, ptr %return, i32 0, i32 1, !dbg !142
// CHECK:STDOUT: store i32 %tuple.elem.load, ptr %tuple.elem1, align 4, !dbg !142
// CHECK:STDOUT: store i32 %tuple.elem.load3, ptr %tuple.elem4, align 4, !dbg !142
// CHECK:STDOUT: ret void, !dbg !144
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; uselistorder directives
// CHECK:STDOUT: uselistorder ptr @"_COp.70db2d92ffddbef7:core.Destroy.Core", { 1, 0 }
// CHECK:STDOUT: uselistorder ptr @"_COp.d151bf443fefa495:core.Destroy.Core", { 1, 0 }
// CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 4, 3, 2, 1, 0 }
// 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 = !{!5}
// 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: !4 = !DIFile(filename: "bindings.carbon", directory: "")
// CHECK:STDOUT: !5 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !4, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
// CHECK:STDOUT: !7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
// CHECK:STDOUT: !10 = !{null}
// CHECK:STDOUT: !11 = !DISubroutineType(types: !10)
// CHECK:STDOUT: !12 = !{null, !6}
// CHECK:STDOUT: !13 = !DISubroutineType(types: !12)
// CHECK:STDOUT: !14 = !{null, !7}
// CHECK:STDOUT: !15 = !DISubroutineType(types: !14)
// CHECK:STDOUT: !16 = distinct !DISubprogram(name: "For", linkageName: "_CFor.Main", scope: null, file: !4, line: 26, type: !11, spFlags: DISPFlagDefinition, unit: !5)
// CHECK:STDOUT: !17 = !DILocation(line: 27, column: 3, scope: !16)
// CHECK:STDOUT: !19 = !DILocation(line: 29, column: 17, scope: !16)
// CHECK:STDOUT: !22 = !DILocation(line: 29, column: 7, scope: !16)
// CHECK:STDOUT: !23 = !{!7, !7, !7}
// CHECK:STDOUT: !24 = !DISubroutineType(types: !23)
// CHECK:STDOUT: !25 = !{!7, !7}
// CHECK:STDOUT: !26 = !DISubroutineType(types: !25)
// CHECK:STDOUT: !32 = !DILocation(line: 30, column: 5, scope: !16)
// CHECK:STDOUT: !33 = !DILocation(line: 29, column: 3, scope: !16)
// CHECK:STDOUT: !34 = !DILocation(line: 26, column: 1, scope: !16)
// CHECK:STDOUT: !35 = distinct !DISubprogram(name: "Op", linkageName: "_COp.70db2d92ffddbef7:core.Destroy.Core", scope: null, file: !4, line: 27, type: !13, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !38)
// CHECK:STDOUT: !36 = !DILocalVariable(arg: 1, scope: !35, type: !6)
// CHECK:STDOUT: !37 = !DILocation(line: 27, column: 10, scope: !35)
// CHECK:STDOUT: !38 = !{!36}
// CHECK:STDOUT: !39 = distinct !DISubprogram(name: "Op", linkageName: "_COp.7ebc50e8bd9eb2f1:core.Destroy.Core", scope: null, file: !4, line: 27, type: !15, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !42)
// CHECK:STDOUT: !40 = !DILocalVariable(arg: 1, scope: !39, type: !7)
// CHECK:STDOUT: !41 = !DILocation(line: 27, column: 10, scope: !39)
// CHECK:STDOUT: !42 = !{!40}
// CHECK:STDOUT: !43 = distinct !DISubprogram(name: "Op", linkageName: "_COp.927f3a4d5771ff29:core.Destroy.Core", scope: null, file: !4, line: 29, type: !15, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !46)
// CHECK:STDOUT: !44 = !DILocalVariable(arg: 1, scope: !43, type: !7)
// CHECK:STDOUT: !45 = !DILocation(line: 29, column: 7, scope: !43)
// CHECK:STDOUT: !46 = !{!44}
// CHECK:STDOUT: !47 = distinct !DISubprogram(name: "Op", linkageName: "_COp.2b5bebaac7360e57:core.Destroy.Core", scope: null, file: !4, line: 29, type: !15, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !50)
// CHECK:STDOUT: !48 = !DILocalVariable(arg: 1, scope: !47, type: !7)
// CHECK:STDOUT: !49 = !DILocation(line: 29, column: 7, scope: !47)
// CHECK:STDOUT: !50 = !{!48}
// CHECK:STDOUT: !51 = distinct !DISubprogram(name: "Op", linkageName: "_COp.5af6617ed1d8eba3:core.Destroy.Core", scope: null, file: !4, line: 29, type: !15, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !54)
// CHECK:STDOUT: !52 = !DILocalVariable(arg: 1, scope: !51, type: !7)
// CHECK:STDOUT: !53 = !DILocation(line: 29, column: 7, scope: !51)
// CHECK:STDOUT: !54 = !{!52}
// CHECK:STDOUT: !55 = distinct !DISubprogram(name: "Op", linkageName: "_COp.29436536cefc14d3:core.Destroy.Core", scope: null, file: !4, line: 29, type: !15, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !58)
// CHECK:STDOUT: !56 = !DILocalVariable(arg: 1, scope: !55, type: !7)
// CHECK:STDOUT: !57 = !DILocation(line: 29, column: 7, scope: !55)
// CHECK:STDOUT: !58 = !{!56}
// CHECK:STDOUT: !59 = distinct !DISubprogram(name: "Op", linkageName: "_COp.d151bf443fefa495:core.Destroy.Core", scope: null, file: !4, line: 29, type: !15, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !62)
// CHECK:STDOUT: !60 = !DILocalVariable(arg: 1, scope: !59, type: !7)
// CHECK:STDOUT: !61 = !DILocation(line: 29, column: 7, scope: !59)
// CHECK:STDOUT: !62 = !{!60}
// CHECK:STDOUT: !63 = distinct !DISubprogram(name: "Op", linkageName: "_COp.2f1484e6f9f8724d:core.Destroy.Core", scope: null, file: !4, line: 27, type: !15, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !66)
// CHECK:STDOUT: !64 = !DILocalVariable(arg: 1, scope: !63, type: !7)
// CHECK:STDOUT: !65 = !DILocation(line: 27, column: 3, scope: !63)
// CHECK:STDOUT: !66 = !{!64}
// CHECK:STDOUT: !67 = distinct !DISubprogram(name: "NewCursor", linkageName: "_CNewCursor.EmptyRange.a081b942542726db.Main:Iterate.Core.6ce0b798b8ba1b7f", scope: null, file: !4, line: 15, type: !15, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !73)
// CHECK:STDOUT: !68 = !DILocalVariable(arg: 1, scope: !67, type: !7)
// CHECK:STDOUT: !72 = !DILocation(line: 16, column: 7, scope: !67)
// CHECK:STDOUT: !73 = !{!68}
// CHECK:STDOUT: !74 = distinct !DISubprogram(name: "Next", linkageName: "_CNext.EmptyRange.a081b942542726db.Main:Iterate.Core.6ce0b798b8ba1b7f", scope: null, file: !4, line: 18, type: !24, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !85)
// CHECK:STDOUT: !75 = !DILocalVariable(arg: 1, scope: !74, type: !7)
// CHECK:STDOUT: !76 = !DILocalVariable(arg: 2, scope: !74, type: !7)
// CHECK:STDOUT: !81 = !DILocation(line: 19, column: 14, scope: !74)
// CHECK:STDOUT: !82 = !{!7}
// CHECK:STDOUT: !83 = !DISubroutineType(types: !82)
// CHECK:STDOUT: !84 = !DILocation(line: 19, column: 7, scope: !74)
// CHECK:STDOUT: !85 = !{!75, !76}
// CHECK:STDOUT: !86 = !DIFile(filename: "{{.*}}/prelude/types/optional.carbon", directory: "")
// CHECK:STDOUT: !87 = distinct !DISubprogram(name: "HasValue", linkageName: "_CHasValue.Optional.Core.f24ed4cfd4dc70ce", scope: null, file: !86, line: 36, type: !26, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !95)
// CHECK:STDOUT: !88 = !DILocalVariable(arg: 1, scope: !87, type: !7)
// CHECK:STDOUT: !93 = !DILocation(line: 37, column: 12, scope: !87)
// CHECK:STDOUT: !94 = !DILocation(line: 37, column: 5, scope: !87)
// CHECK:STDOUT: !95 = !{!88}
// CHECK:STDOUT: !96 = distinct !DISubprogram(name: "Get", linkageName: "_CGet.Optional.Core.f24ed4cfd4dc70ce", scope: null, file: !86, line: 39, type: !26, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !104)
// CHECK:STDOUT: !97 = !DILocalVariable(arg: 1, scope: !96, type: !7)
// CHECK:STDOUT: !102 = !DILocation(line: 40, column: 12, scope: !96)
// CHECK:STDOUT: !103 = !DILocation(line: 40, column: 5, scope: !96)
// CHECK:STDOUT: !104 = !{!97}
// CHECK:STDOUT: !105 = distinct !DISubprogram(name: "None", linkageName: "_CNone.Optional.Core.f24ed4cfd4dc70ce", scope: null, file: !86, line: 30, type: !83, spFlags: DISPFlagDefinition, unit: !5)
// CHECK:STDOUT: !108 = !DILocation(line: 31, column: 12, scope: !105)
// CHECK:STDOUT: !109 = !DILocation(line: 31, column: 5, scope: !105)
// CHECK:STDOUT: !110 = distinct !DISubprogram(name: "Has", linkageName: "_CHas.5d6f3f3a4b44a8f1:OptionalStorage.Core.6ce0b798b8ba1b7f", scope: null, file: !86, line: 141, type: !26, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !117)
// CHECK:STDOUT: !111 = !DILocalVariable(arg: 1, scope: !110, type: !7)
// CHECK:STDOUT: !115 = !DILocation(line: 142, column: 12, scope: !110)
// CHECK:STDOUT: !116 = !DILocation(line: 142, column: 5, scope: !110)
// CHECK:STDOUT: !117 = !{!111}
// CHECK:STDOUT: !118 = distinct !DISubprogram(name: "Get", linkageName: "_CGet.5d6f3f3a4b44a8f1:OptionalStorage.Core.6ce0b798b8ba1b7f", scope: null, file: !86, line: 144, type: !26, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !125)
// CHECK:STDOUT: !119 = !DILocalVariable(arg: 1, scope: !118, type: !7)
// CHECK:STDOUT: !123 = !DILocation(line: 145, column: 12, scope: !118)
// CHECK:STDOUT: !124 = !DILocation(line: 145, column: 5, scope: !118)
// CHECK:STDOUT: !125 = !{!119}
// CHECK:STDOUT: !126 = distinct !DISubprogram(name: "None", linkageName: "_CNone.5d6f3f3a4b44a8f1:OptionalStorage.Core.6ce0b798b8ba1b7f", scope: null, file: !86, line: 125, type: !83, spFlags: DISPFlagDefinition, unit: !5)
// CHECK:STDOUT: !133 = !DILocation(line: 128, column: 5, scope: !126)
// CHECK:STDOUT: !134 = !DILocation(line: 129, column: 5, scope: !126)
// CHECK:STDOUT: !135 = !DIFile(filename: "{{.*}}/prelude/copy.carbon", directory: "")
// CHECK:STDOUT: !136 = distinct !DISubprogram(name: "Op", linkageName: "_COp.4e4edddc7580c79b:Copy.Core.8608f3c6f62d80cb", scope: null, file: !135, line: 62, type: !26, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !145)
// CHECK:STDOUT: !137 = !DILocalVariable(arg: 1, scope: !136, type: !7)
// CHECK:STDOUT: !141 = !DILocation(line: 63, column: 13, scope: !136)
// CHECK:STDOUT: !142 = !DILocation(line: 63, column: 12, scope: !136)
// CHECK:STDOUT: !143 = !DILocation(line: 63, column: 26, scope: !136)
// CHECK:STDOUT: !144 = !DILocation(line: 63, column: 5, scope: !136)
// CHECK:STDOUT: !145 = !{!137}
// CHECK:STDOUT: