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carbon-lang/toolchain/lower/testdata/class/generic.carbon
T
Jon Ross-Perkins 7ccc1e0144 Expand naming for impls and functions (#5808) 
Change impls from `<interface>.impl` to `<self>.as.<interface>.impl`,
and *member* functions to `<parent scope>.<fn>` (non-member functions
exclude their parent scope). Stop special-casing builtin functions,
given the new naming scheme.

The purpose of this is to make it clearer when a member function is
being accessed and, if so, which member function. In particular, we
often access interface `Op` functions. The builtin function
special-casing was intended to help with that, but we still have lots of
`Op` functions. This particular approach should make the interactions
clearer.

This changes up queueing of block IDs a little because, in particular,
we need to process bodies of entities only after constants finish
processing. But, it should also result in less memory usage during
processing because it means we have less on the insts stack at any given
time, since we track a block rather than all instructions contained by
the block.
2025-07-21 18:45:07 +00:00

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// 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/primitives.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/lower/testdata/class/generic.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/class/generic.carbon
// --- classes.carbon
package Classes;
base class Base(T:! type) {
var b: T;
}
class Derived(T:! type) {
extend base: Base(T);
var d: T;
}
class Adapter(T:! type) {
extend adapt Derived(T);
}
// --- create.carbon
package Create;
import Classes;
fn CreateDerived() -> Classes.Derived(i32) {
return {.base = {.b = 1}, .d = 2};
}
fn CreateAdapter() -> Classes.Adapter(i32) {
return CreateDerived() as Classes.Adapter(i32);
}
// --- create_generic.carbon
library "[[@TEST_NAME]]";
class A(T:! type) {
var x: T;
var y: T;
}
fn Make[T:! type](x: T, y: T) -> A(T) {
// TODO: This should probably require a `Copy` constraint on `T`.
// For now we avoid calling it in cases that would attempt to
// copy a non-copyable type, as that would probably crash.
return {.x = x, .y = y};
}
fn Ints() -> A(i32) {
return Make(1 as i32, 2 as i32);
}
fn Empty() -> A(()) {
return Make((), ());
}
fn Tuples() -> A((i32, i32)) {
let x: (i32, i32) = (1, 2);
// TODO: This fails to initialize the `A` object's fields.
// This happens because we generate SemIR assuming that the dependent
// type will have a copy value representation, and will need changes
// in SemIR for us to properly lower it.
return Make(x, x);
}
// --- access.carbon
library "[[@TEST_NAME]]";
class C(T:! type) {
fn GetBool[self: Self]() -> bool {
return self.v;
}
// TODO: This should probably require a `Copy` constraint on `T`.
// For now we avoid calling it in cases that would attempt to
// copy a non-copyable type, as that would probably crash.
fn GetT[self: Self]() -> T {
return self.w;
}
var v: bool;
var w: T;
}
fn AccessBool() -> bool {
var c: C(i32) = {.v = true, .w = 0};
return c.GetBool();
}
fn AccessInt() -> i32 {
var c: C(i32) = {.v = true, .w = 0};
return c.GetT();
}
fn AccessEmpty() -> () {
var c: C(()) = {.v = true, .w = ()};
return c.GetT();
}
fn AccessTuple() -> (i32, i32, i32) {
var c: C((i32, i32, i32)) = {.v = true, .w = (1, 2, 3)};
return c.GetT();
}
// CHECK:STDOUT: ; ModuleID = 'classes.carbon'
// CHECK:STDOUT: source_filename = "classes.carbon"
// 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: "classes.carbon", directory: "")
// CHECK:STDOUT: ; ModuleID = 'create.carbon'
// CHECK:STDOUT: source_filename = "create.carbon"
// CHECK:STDOUT:
// CHECK:STDOUT: @Derived.val.loc7_36 = internal constant { { i32 }, i32 } { { i32 } { i32 1 }, i32 2 }
// CHECK:STDOUT:
// CHECK:STDOUT: define void @_CCreateDerived.Create(ptr sret({ { i32 }, i32 }) %return) !dbg !4 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc7_35.2.base = getelementptr inbounds nuw { { i32 }, i32 }, ptr %return, i32 0, i32 0, !dbg !7
// CHECK:STDOUT: %.loc7_26.3.b = getelementptr inbounds nuw { i32 }, ptr %.loc7_35.2.base, i32 0, i32 0, !dbg !8
// CHECK:STDOUT: %.loc7_35.5.d = getelementptr inbounds nuw { { i32 }, i32 }, ptr %return, i32 0, i32 1, !dbg !7
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %return, ptr align 4 @Derived.val.loc7_36, i64 8, i1 false), !dbg !9
// CHECK:STDOUT: ret void, !dbg !9
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define void @_CCreateAdapter.Create(ptr sret({ { i32 }, i32 }) %return) !dbg !10 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @_CCreateDerived.Create(ptr %return), !dbg !11
// CHECK:STDOUT: ret void, !dbg !12
// 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: attributes #0 = { 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: "create.carbon", directory: "")
// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "CreateDerived", linkageName: "_CCreateDerived.Create", scope: null, file: !3, line: 6, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
// CHECK:STDOUT: !6 = !{}
// CHECK:STDOUT: !7 = !DILocation(line: 7, column: 10, scope: !4)
// CHECK:STDOUT: !8 = !DILocation(line: 7, column: 19, scope: !4)
// CHECK:STDOUT: !9 = !DILocation(line: 7, column: 3, scope: !4)
// CHECK:STDOUT: !10 = distinct !DISubprogram(name: "CreateAdapter", linkageName: "_CCreateAdapter.Create", scope: null, file: !3, line: 10, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !11 = !DILocation(line: 11, column: 10, scope: !10)
// CHECK:STDOUT: !12 = !DILocation(line: 11, column: 3, scope: !10)
// CHECK:STDOUT: ; ModuleID = 'create_generic.carbon'
// CHECK:STDOUT: source_filename = "create_generic.carbon"
// CHECK:STDOUT:
// CHECK:STDOUT: @tuple.loc25_28.6 = internal constant { i32, i32 } { i32 1, i32 2 }
// CHECK:STDOUT:
// CHECK:STDOUT: define void @_CInts.Main(ptr sret({ i32, i32 }) %return) !dbg !4 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @_CMake.Main.b88d1103f417c6d4(ptr %return, i32 1, i32 2), !dbg !7
// CHECK:STDOUT: ret void, !dbg !8
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define void @_CEmpty.Main(ptr sret({ {}, {} }) %return) !dbg !9 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @_CMake.Main.e43630e9a6c38c3f(ptr %return), !dbg !10
// CHECK:STDOUT: ret void, !dbg !11
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define void @_CTuples.Main(ptr sret({ { i32, i32 }, { i32, i32 } }) %return) !dbg !12 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @_CMake.Main.29d34654e802e24e(ptr %return, ptr @tuple.loc25_28.6, ptr @tuple.loc25_28.6), !dbg !13
// CHECK:STDOUT: ret void, !dbg !14
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define linkonce_odr void @_CMake.Main.b88d1103f417c6d4(ptr sret({ i32, i32 }) %return, i32 %x, i32 %y) !dbg !15 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc13_25.2.x = getelementptr inbounds nuw { i32, i32 }, ptr %return, i32 0, i32 0, !dbg !16
// CHECK:STDOUT: store i32 %x, ptr %.loc13_25.2.x, align 4, !dbg !16
// CHECK:STDOUT: %.loc13_25.4.y = getelementptr inbounds nuw { i32, i32 }, ptr %return, i32 0, i32 1, !dbg !16
// CHECK:STDOUT: store i32 %y, ptr %.loc13_25.4.y, align 4, !dbg !16
// CHECK:STDOUT: ret void, !dbg !17
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define linkonce_odr void @_CMake.Main.e43630e9a6c38c3f(ptr sret({ {}, {} }) %return) !dbg !18 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc13_25.2.x = getelementptr inbounds nuw { {}, {} }, ptr %return, i32 0, i32 0, !dbg !19
// CHECK:STDOUT: %.loc13_25.4.y = getelementptr inbounds nuw { {}, {} }, ptr %return, i32 0, i32 1, !dbg !19
// CHECK:STDOUT: ret void, !dbg !20
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define linkonce_odr void @_CMake.Main.29d34654e802e24e(ptr sret({ { i32, i32 }, { i32, i32 } }) %return, ptr %x, ptr %y) !dbg !21 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc13_25.2.x = getelementptr inbounds nuw { { i32, i32 }, { i32, i32 } }, ptr %return, i32 0, i32 0, !dbg !22
// CHECK:STDOUT: %.loc13_25.4.y = getelementptr inbounds nuw { { i32, i32 }, { i32, i32 } }, ptr %return, i32 0, i32 1, !dbg !22
// CHECK:STDOUT: ret void, !dbg !23
// 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: "create_generic.carbon", directory: "")
// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Ints", linkageName: "_CInts.Main", scope: null, file: !3, line: 16, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
// CHECK:STDOUT: !6 = !{}
// CHECK:STDOUT: !7 = !DILocation(line: 17, column: 10, scope: !4)
// CHECK:STDOUT: !8 = !DILocation(line: 17, column: 3, scope: !4)
// CHECK:STDOUT: !9 = distinct !DISubprogram(name: "Empty", linkageName: "_CEmpty.Main", scope: null, file: !3, line: 20, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !10 = !DILocation(line: 21, column: 10, scope: !9)
// CHECK:STDOUT: !11 = !DILocation(line: 21, column: 3, scope: !9)
// CHECK:STDOUT: !12 = distinct !DISubprogram(name: "Tuples", linkageName: "_CTuples.Main", scope: null, file: !3, line: 24, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !13 = !DILocation(line: 30, column: 10, scope: !12)
// CHECK:STDOUT: !14 = !DILocation(line: 30, column: 3, scope: !12)
// CHECK:STDOUT: !15 = distinct !DISubprogram(name: "Make", linkageName: "_CMake.Main.b88d1103f417c6d4", scope: null, file: !3, line: 9, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !16 = !DILocation(line: 13, column: 10, scope: !15)
// CHECK:STDOUT: !17 = !DILocation(line: 13, column: 3, scope: !15)
// CHECK:STDOUT: !18 = distinct !DISubprogram(name: "Make", linkageName: "_CMake.Main.e43630e9a6c38c3f", scope: null, file: !3, line: 9, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !19 = !DILocation(line: 13, column: 10, scope: !18)
// CHECK:STDOUT: !20 = !DILocation(line: 13, column: 3, scope: !18)
// CHECK:STDOUT: !21 = distinct !DISubprogram(name: "Make", linkageName: "_CMake.Main.29d34654e802e24e", scope: null, file: !3, line: 9, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !22 = !DILocation(line: 13, column: 10, scope: !21)
// CHECK:STDOUT: !23 = !DILocation(line: 13, column: 3, scope: !21)
// CHECK:STDOUT: ; ModuleID = 'access.carbon'
// CHECK:STDOUT: source_filename = "access.carbon"
// CHECK:STDOUT:
// CHECK:STDOUT: @C.val.98f.loc19_3 = internal constant { i1, i32 } { i1 true, i32 0 }
// CHECK:STDOUT: @C.val.dcc.loc29_3 = internal constant { i1, {} } { i1 true, {} zeroinitializer }
// CHECK:STDOUT: @C.val.08f.loc34_3 = internal constant { i1, { i32, i32, i32 } } { i1 true, { i32, i32, i32 } { i32 1, i32 2, i32 3 } }
// CHECK:STDOUT:
// CHECK:STDOUT: define i1 @_CAccessBool.Main() !dbg !4 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %c.var = alloca { i1, i32 }, align 8, !dbg !7
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(i64 8, ptr %c.var), !dbg !7
// CHECK:STDOUT: %.loc19_37.2.v = getelementptr inbounds nuw { i1, i32 }, ptr %c.var, i32 0, i32 0, !dbg !8
// CHECK:STDOUT: %.loc19_37.5.w = getelementptr inbounds nuw { i1, i32 }, ptr %c.var, i32 0, i32 1, !dbg !8
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %c.var, ptr align 4 @C.val.98f.loc19_3, i64 8, i1 false), !dbg !7
// CHECK:STDOUT: %C.GetBool.call = call i1 @_CGetBool.C.Main.b88d1103f417c6d4(ptr %c.var), !dbg !9
// CHECK:STDOUT: ret i1 %C.GetBool.call, !dbg !10
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define i32 @_CAccessInt.Main() !dbg !11 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %c.var = alloca { i1, i32 }, align 8, !dbg !12
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(i64 8, ptr %c.var), !dbg !12
// CHECK:STDOUT: %.loc24_37.2.v = getelementptr inbounds nuw { i1, i32 }, ptr %c.var, i32 0, i32 0, !dbg !13
// CHECK:STDOUT: %.loc24_37.5.w = getelementptr inbounds nuw { i1, i32 }, ptr %c.var, i32 0, i32 1, !dbg !13
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %c.var, ptr align 4 @C.val.98f.loc19_3, i64 8, i1 false), !dbg !12
// CHECK:STDOUT: %C.GetT.call = call i32 @_CGetT.C.Main.b88d1103f417c6d4(ptr %c.var), !dbg !14
// CHECK:STDOUT: ret i32 %C.GetT.call, !dbg !15
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define void @_CAccessEmpty.Main() !dbg !16 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %c.var = alloca { i1, {} }, align 8, !dbg !17
// CHECK:STDOUT: %.loc30_17.1.temp = alloca {}, align 8, !dbg !18
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(i64 1, ptr %c.var), !dbg !17
// CHECK:STDOUT: %.loc29_37.2.v = getelementptr inbounds nuw { i1, {} }, ptr %c.var, i32 0, i32 0, !dbg !19
// CHECK:STDOUT: %.loc29_37.4.w = getelementptr inbounds nuw { i1, {} }, ptr %c.var, i32 0, i32 1, !dbg !19
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 1 %c.var, ptr align 1 @C.val.dcc.loc29_3, i64 1, i1 false), !dbg !17
// CHECK:STDOUT: call void @_CGetT.C.Main.e43630e9a6c38c3f(ptr %c.var), !dbg !18
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(i64 0, ptr %.loc30_17.1.temp), !dbg !18
// CHECK:STDOUT: ret void, !dbg !20
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define void @_CAccessTuple.Main(ptr sret({ i32, i32, i32 }) %return) !dbg !21 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %c.var = alloca { i1, { i32, i32, i32 } }, align 8, !dbg !22
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(i64 16, ptr %c.var), !dbg !22
// CHECK:STDOUT: %.loc34_57.2.v = getelementptr inbounds nuw { i1, { i32, i32, i32 } }, ptr %c.var, i32 0, i32 0, !dbg !23
// CHECK:STDOUT: %.loc34_57.4.w = getelementptr inbounds nuw { i1, { i32, i32, i32 } }, ptr %c.var, i32 0, i32 1, !dbg !23
// CHECK:STDOUT: %tuple.elem0.tuple.elem = getelementptr inbounds nuw { i32, i32, i32 }, ptr %.loc34_57.4.w, i32 0, i32 0, !dbg !24
// CHECK:STDOUT: %tuple.elem1.tuple.elem = getelementptr inbounds nuw { i32, i32, i32 }, ptr %.loc34_57.4.w, i32 0, i32 1, !dbg !24
// CHECK:STDOUT: %tuple.elem2.tuple.elem = getelementptr inbounds nuw { i32, i32, i32 }, ptr %.loc34_57.4.w, i32 0, i32 2, !dbg !24
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %c.var, ptr align 4 @C.val.08f.loc34_3, i64 16, i1 false), !dbg !22
// CHECK:STDOUT: call void @_CGetT.C.Main.69a44aeea2e5c3f0(ptr %return, ptr %c.var), !dbg !25
// CHECK:STDOUT: ret void, !dbg !26
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
// CHECK:STDOUT: declare void @llvm.lifetime.start.p0(i64 immarg, 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: define linkonce_odr i1 @_CGetBool.C.Main.b88d1103f417c6d4(ptr %self) !dbg !27 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc6_16.1.v = getelementptr inbounds nuw { i1, i32 }, ptr %self, i32 0, i32 0, !dbg !28
// CHECK:STDOUT: %.loc6_16.2 = load i1, ptr %.loc6_16.1.v, align 1, !dbg !28
// CHECK:STDOUT: ret i1 %.loc6_16.2, !dbg !29
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define linkonce_odr i32 @_CGetT.C.Main.b88d1103f417c6d4(ptr %self) !dbg !30 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc12_16.1.w = getelementptr inbounds nuw { i1, i32 }, ptr %self, i32 0, i32 1, !dbg !31
// CHECK:STDOUT: %.loc12_16.2 = load i32, ptr %.loc12_16.1.w, align 4, !dbg !31
// CHECK:STDOUT: ret i32 %.loc12_16.2, !dbg !32
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define linkonce_odr void @_CGetT.C.Main.e43630e9a6c38c3f(ptr %self) !dbg !33 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc12_16.1.w = getelementptr inbounds nuw { i1, {} }, ptr %self, i32 0, i32 1, !dbg !34
// CHECK:STDOUT: ret void, !dbg !35
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: define linkonce_odr void @_CGetT.C.Main.69a44aeea2e5c3f0(ptr sret({ i32, i32, i32 }) %return, ptr %self) !dbg !36 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc12_16.1.w = getelementptr inbounds nuw { i1, { i32, i32, i32 } }, ptr %self, i32 0, i32 1, !dbg !37
// CHECK:STDOUT: ret void, !dbg !38
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; uselistorder directives
// CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 4, 3, 2, 1, 0 }
// CHECK:STDOUT: uselistorder ptr @llvm.memcpy.p0.p0.i64, { 3, 2, 1, 0 }
// 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: "access.carbon", directory: "")
// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "AccessBool", linkageName: "_CAccessBool.Main", scope: null, file: !3, line: 18, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
// CHECK:STDOUT: !6 = !{}
// CHECK:STDOUT: !7 = !DILocation(line: 19, column: 3, scope: !4)
// CHECK:STDOUT: !8 = !DILocation(line: 19, column: 19, scope: !4)
// CHECK:STDOUT: !9 = !DILocation(line: 20, column: 10, scope: !4)
// CHECK:STDOUT: !10 = !DILocation(line: 20, column: 3, scope: !4)
// CHECK:STDOUT: !11 = distinct !DISubprogram(name: "AccessInt", linkageName: "_CAccessInt.Main", scope: null, file: !3, line: 23, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !12 = !DILocation(line: 24, column: 3, scope: !11)
// CHECK:STDOUT: !13 = !DILocation(line: 24, column: 19, scope: !11)
// CHECK:STDOUT: !14 = !DILocation(line: 25, column: 10, scope: !11)
// CHECK:STDOUT: !15 = !DILocation(line: 25, column: 3, scope: !11)
// CHECK:STDOUT: !16 = distinct !DISubprogram(name: "AccessEmpty", linkageName: "_CAccessEmpty.Main", scope: null, file: !3, line: 28, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !17 = !DILocation(line: 29, column: 3, scope: !16)
// CHECK:STDOUT: !18 = !DILocation(line: 30, column: 10, scope: !16)
// CHECK:STDOUT: !19 = !DILocation(line: 29, column: 18, scope: !16)
// CHECK:STDOUT: !20 = !DILocation(line: 30, column: 3, scope: !16)
// CHECK:STDOUT: !21 = distinct !DISubprogram(name: "AccessTuple", linkageName: "_CAccessTuple.Main", scope: null, file: !3, line: 33, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !22 = !DILocation(line: 34, column: 3, scope: !21)
// CHECK:STDOUT: !23 = !DILocation(line: 34, column: 31, scope: !21)
// CHECK:STDOUT: !24 = !DILocation(line: 34, column: 48, scope: !21)
// CHECK:STDOUT: !25 = !DILocation(line: 35, column: 10, scope: !21)
// CHECK:STDOUT: !26 = !DILocation(line: 35, column: 3, scope: !21)
// CHECK:STDOUT: !27 = distinct !DISubprogram(name: "GetBool", linkageName: "_CGetBool.C.Main.b88d1103f417c6d4", scope: null, file: !3, line: 5, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !28 = !DILocation(line: 6, column: 12, scope: !27)
// CHECK:STDOUT: !29 = !DILocation(line: 6, column: 5, scope: !27)
// CHECK:STDOUT: !30 = distinct !DISubprogram(name: "GetT", linkageName: "_CGetT.C.Main.b88d1103f417c6d4", scope: null, file: !3, line: 11, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !31 = !DILocation(line: 12, column: 12, scope: !30)
// CHECK:STDOUT: !32 = !DILocation(line: 12, column: 5, scope: !30)
// CHECK:STDOUT: !33 = distinct !DISubprogram(name: "GetT", linkageName: "_CGetT.C.Main.e43630e9a6c38c3f", scope: null, file: !3, line: 11, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !34 = !DILocation(line: 12, column: 12, scope: !33)
// CHECK:STDOUT: !35 = !DILocation(line: 12, column: 5, scope: !33)
// CHECK:STDOUT: !36 = distinct !DISubprogram(name: "GetT", linkageName: "_CGetT.C.Main.69a44aeea2e5c3f0", scope: null, file: !3, line: 11, type: !5, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !37 = !DILocation(line: 12, column: 12, scope: !36)
// CHECK:STDOUT: !38 = !DILocation(line: 12, column: 5, scope: !36)
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