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carbon-lang/toolchain/lower/testdata/interop/cpp/function/import/parameters.carbon
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Dana Jansens 24766e213e Defer evaluation of witnesses substituted while identifying a facet type (#7930) 
When identifying a facet type, defer evaluation of LookupImplWitnesses
by redirecting them to evaluate into IdentifiedWitness. Then the caller
of identify will need to substitute the IdentifiedWitnesses, either with
witnesses of their own, or with LookupImplWitness to cause a lookup
operation.

This allows:
- An `impl as` on a named constraint can subst the witnesses in
designators from the named constraint with a witness to the impl itself.
This prevents them from looking for and finding some other overlapping
impl. (This PR)
- Impl lookup to collect rewrite/equality requirements from all named
constraints and then use the impls it has already found to evaluate any
designators in those requirements instead of performing impl lookup
again (creating a cycle). (Done in
https://github.com/carbon-language/carbon-lang/pull/7944)
- Similarly, an `impl as` can collect impls and equality requirements
from all named constraints and verify them correctly by replacing
witnesses that should refer to the impl with the correct witness instead
of performing a lookup and finding an overlapping impl. (Done in
https://github.com/carbon-language/carbon-lang/pull/7937)
- ImplWitnessAccess to be able to find rewrites from a named constraint,
not just from the initial DeclaredFacetType. (TBD)

To do this we need to introduce the concept of "identified" specifics.
In order to identify a facet type, we must construct a specific for each
require decl in a named constraint. These specifics will have
IdentifiedWitnesses inside them, but their args would otherwise match a
specific for the require decl constructed in another context. To avoid
polluting the canonical specific namespace, we introduce a second
namespace of specifics that are "identified" since they are created by
identifying.

As we have introduced a new global state that modifies eval behaviour,
we must disable that state when resolving a specific (as per
https://github.com/carbon-language/carbon-lang/pull/7923). But inside an
"identified" specific, we preserve the behaviour so that the witnesses
modified by identify (through SubstPeriodSelf or through evaluating a
require specific) have their evaluation deferred.
2026-10-14 14:12:56 +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/interop/cpp/function/import/parameters.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/interop/cpp/function/import/parameters.carbon
// ============================================================================
// Parameter requires a thunk to be generated
// ============================================================================
// --- ints.h
// TODO: Also test `long long` once it's supported.
void pass_signed(signed char, short, int, long);
void pass_unsigned(unsigned char, unsigned short, unsigned int, unsigned long);
void pass_short(short);
// --- import_ints.carbon
library "[[@TEST_NAME]]";
import Cpp library "ints.h";
fn MyF() {
Cpp.pass_signed(1, 2, 3, 4);
Cpp.pass_unsigned(1, 2, 3, 4);
}
fn MakeShort() -> i16;
var c: i16;
fn PassShort(a: i16, b: i16*) {
Cpp.pass_short(a);
Cpp.pass_short(*b);
Cpp.pass_short(c);
Cpp.pass_short(MakeShort());
}
// --- struct.h
struct X {
int a;
int b;
int c;
};
void pass_struct(X);
// --- import_struct.carbon
library "[[@TEST_NAME]]";
import Cpp library "struct.h";
fn Test() {
var x: Cpp.X;
x.a = 1;
x.b = 2;
x.c = 3;
Cpp.pass_struct(x);
}
// --- class_with_nontrivial_copy.h
class Y {
public:
Y(const Y&);
int a;
int b;
int c;
};
void pass_struct(Y);
// --- import_class_with_nontrivial_copy.carbon
library "[[@TEST_NAME]]";
import Cpp library "class_with_nontrivial_copy.h";
fn PassRefExpr() {
var y: Cpp.Y;
y.a = 1;
y.b = 2;
y.c = 3;
Cpp.pass_struct(y);
}
fn Make() -> Cpp.Y;
fn PassInitExpr() {
Cpp.pass_struct(Make());
}
fn PassValueExpr(y: Cpp.Y) {
Cpp.pass_struct(y);
}
// CHECK:STDOUT: ; ---
// CHECK:STDOUT: ; ModuleID = 'import_ints.carbon'
// CHECK:STDOUT: source_filename = "import_ints.carbon"
// CHECK:STDOUT: target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
// CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
// CHECK:STDOUT:
// CHECK:STDOUT: @int_1.2eb = internal constant i8 1
// CHECK:STDOUT: @int_2.fee = internal constant i16 2
// CHECK:STDOUT: @int_1.5dc = internal constant i8 1
// CHECK:STDOUT: @int_2.2d4 = internal constant i16 2
// CHECK:STDOUT: @_Cc.Main = global i16 0
// CHECK:STDOUT: @llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 0, ptr @_C__global_init.Main, ptr null }]
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define void @_CMyF.Main() #0 !dbg !63 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc7_19.3.temp = alloca i8, align 1, !dbg !64
// CHECK:STDOUT: %.loc7_22.3.temp = alloca i16, align 2, !dbg !65
// CHECK:STDOUT: %.loc9_21.3.temp = alloca i8, align 1, !dbg !67
// CHECK:STDOUT: %.loc9_24.3.temp = alloca i16, align 2, !dbg !68
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc7_19.3.temp), !dbg !64
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc7_22.3.temp), !dbg !65
// CHECK:STDOUT: call void @_Z11pass_signedasil.carbon_thunk.____(ptr @int_1.2eb, ptr @int_2.fee, i32 3, i64 4), !dbg !66
// CHECK:STDOUT: call void @"_CSelfDestruct.2282b3883c44dd3d:core.Destroy.Core"(ptr @int_2.fee), !dbg !65
// CHECK:STDOUT: call void @"_CSelfDestruct.76b35ac5407de20a:core.Destroy.Core"(ptr @int_1.2eb), !dbg !64
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc9_21.3.temp), !dbg !67
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc9_24.3.temp), !dbg !68
// CHECK:STDOUT: call void @_Z13pass_unsignedhtjm.carbon_thunk.____(ptr @int_1.5dc, ptr @int_2.2d4, i32 3, i64 4), !dbg !69
// CHECK:STDOUT: call void @"_CSelfDestruct.8a85cde440b80916:core.Destroy.Core"(ptr @int_2.2d4), !dbg !68
// CHECK:STDOUT: call void @"_CSelfDestruct.ecefe2c1c010dc1e:core.Destroy.Core"(ptr @int_1.5dc), !dbg !67
// CHECK:STDOUT: ret void, !dbg !70
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
// CHECK:STDOUT: define internal void @_Z11pass_signedasil.carbon_thunk.____(ptr noundef %0, ptr noundef %1, i32 noundef %2, i64 noundef %3) #1 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.addr = alloca ptr, align 8
// CHECK:STDOUT: %.addr1 = alloca ptr, align 8
// CHECK:STDOUT: %.addr2 = alloca i32, align 4
// CHECK:STDOUT: %.addr3 = alloca i64, align 8
// CHECK:STDOUT: store ptr %0, ptr %.addr, align 8, !tbaa !110
// CHECK:STDOUT: store ptr %1, ptr %.addr1, align 8, !tbaa !113
// CHECK:STDOUT: store i32 %2, ptr %.addr2, align 4, !tbaa !115
// CHECK:STDOUT: store i64 %3, ptr %.addr3, align 8, !tbaa !117
// CHECK:STDOUT: %4 = load ptr, ptr %.addr, align 8, !tbaa !110
// CHECK:STDOUT: %5 = load i8, ptr %4, align 1, !tbaa !118
// CHECK:STDOUT: %6 = load ptr, ptr %.addr1, align 8, !tbaa !113
// CHECK:STDOUT: %7 = load i16, ptr %6, align 2, !tbaa !119
// CHECK:STDOUT: %8 = load i32, ptr %.addr2, align 4, !tbaa !115
// CHECK:STDOUT: %9 = load i64, ptr %.addr3, align 8, !tbaa !117
// CHECK:STDOUT: call void @_Z11pass_signedasil(i8 noundef signext %5, i16 noundef signext %7, i32 noundef %8, i64 noundef %9)
// CHECK:STDOUT: ret void
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.2282b3883c44dd3d:core.Destroy.Core"(ptr %self) #0 !dbg !71 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !73
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.76b35ac5407de20a:core.Destroy.Core"(ptr %self) #0 !dbg !75 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !77
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
// CHECK:STDOUT: define internal void @_Z13pass_unsignedhtjm.carbon_thunk.____(ptr noundef %0, ptr noundef %1, i32 noundef %2, i64 noundef %3) #1 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.addr = alloca ptr, align 8
// CHECK:STDOUT: %.addr1 = alloca ptr, align 8
// CHECK:STDOUT: %.addr2 = alloca i32, align 4
// CHECK:STDOUT: %.addr3 = alloca i64, align 8
// CHECK:STDOUT: store ptr %0, ptr %.addr, align 8, !tbaa !110
// CHECK:STDOUT: store ptr %1, ptr %.addr1, align 8, !tbaa !113
// CHECK:STDOUT: store i32 %2, ptr %.addr2, align 4, !tbaa !115
// CHECK:STDOUT: store i64 %3, ptr %.addr3, align 8, !tbaa !117
// CHECK:STDOUT: %4 = load ptr, ptr %.addr, align 8, !tbaa !110
// CHECK:STDOUT: %5 = load i8, ptr %4, align 1, !tbaa !118
// CHECK:STDOUT: %6 = load ptr, ptr %.addr1, align 8, !tbaa !113
// CHECK:STDOUT: %7 = load i16, ptr %6, align 2, !tbaa !119
// CHECK:STDOUT: %8 = load i32, ptr %.addr2, align 4, !tbaa !115
// CHECK:STDOUT: %9 = load i64, ptr %.addr3, align 8, !tbaa !117
// CHECK:STDOUT: call void @_Z13pass_unsignedhtjm(i8 noundef zeroext %5, i16 noundef zeroext %7, i32 noundef %8, i64 noundef %9)
// CHECK:STDOUT: ret void
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.8a85cde440b80916:core.Destroy.Core"(ptr %self) #0 !dbg !79 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !81
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.ecefe2c1c010dc1e:core.Destroy.Core"(ptr %self) #0 !dbg !83 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !85
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: declare i16 @_CMakeShort.Main()
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define void @_CPassShort.Main(i16 %a, ptr %b) #0 !dbg !87 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc17_18.1.temp = alloca i16, align 2, !dbg !92
// CHECK:STDOUT: %.loc18_18.3.temp = alloca i16, align 2, !dbg !95
// CHECK:STDOUT: %.loc19_18.2.temp = alloca i16, align 2, !dbg !97
// CHECK:STDOUT: %.loc20_28.3.temp = alloca i16, align 2, !dbg !99
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc17_18.1.temp), !dbg !92
// CHECK:STDOUT: store i16 %a, ptr %.loc17_18.1.temp, align 2, !dbg !92
// CHECK:STDOUT: call void @_Z10pass_shorts.carbon_thunk._(ptr %.loc17_18.1.temp), !dbg !93
// CHECK:STDOUT: call void @"_CSelfDestruct.2282b3883c44dd3d:core.Destroy.Core"(ptr %.loc17_18.1.temp), !dbg !92
// CHECK:STDOUT: %.loc18_18.2 = load i16, ptr %b, align 2, !dbg !95
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc18_18.3.temp), !dbg !95
// CHECK:STDOUT: store i16 %.loc18_18.2, ptr %.loc18_18.3.temp, align 2, !dbg !95
// CHECK:STDOUT: call void @_Z10pass_shorts.carbon_thunk._(ptr %.loc18_18.3.temp), !dbg !96
// CHECK:STDOUT: call void @"_CSelfDestruct.2282b3883c44dd3d:core.Destroy.Core"(ptr %.loc18_18.3.temp), !dbg !95
// CHECK:STDOUT: %.loc19_18.1 = load i16, ptr @_Cc.Main, align 2, !dbg !97
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc19_18.2.temp), !dbg !97
// CHECK:STDOUT: store i16 %.loc19_18.1, ptr %.loc19_18.2.temp, align 2, !dbg !97
// CHECK:STDOUT: call void @_Z10pass_shorts.carbon_thunk._(ptr %.loc19_18.2.temp), !dbg !98
// CHECK:STDOUT: call void @"_CSelfDestruct.2282b3883c44dd3d:core.Destroy.Core"(ptr %.loc19_18.2.temp), !dbg !97
// CHECK:STDOUT: %MakeShort.call = call i16 @_CMakeShort.Main(), !dbg !99
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc20_28.3.temp), !dbg !99
// CHECK:STDOUT: store i16 %MakeShort.call, ptr %.loc20_28.3.temp, align 2, !dbg !99
// CHECK:STDOUT: call void @_Z10pass_shorts.carbon_thunk._(ptr %.loc20_28.3.temp), !dbg !100
// CHECK:STDOUT: call void @"_CSelfDestruct.2282b3883c44dd3d:core.Destroy.Core"(ptr %.loc20_28.3.temp), !dbg !99
// CHECK:STDOUT: ret void, !dbg !101
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
// CHECK:STDOUT: define internal void @_Z10pass_shorts.carbon_thunk._(ptr noundef %0) #1 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.addr = alloca ptr, align 8
// CHECK:STDOUT: store ptr %0, ptr %.addr, align 8, !tbaa !113
// CHECK:STDOUT: %1 = load ptr, ptr %.addr, align 8, !tbaa !113
// CHECK:STDOUT: %2 = load i16, ptr %1, align 2, !tbaa !119
// CHECK:STDOUT: call void @_Z10pass_shorts(i16 noundef signext %2)
// CHECK:STDOUT: ret void
// 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)) #2
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define internal void @_C__global_init.Main() #0 !dbg !103 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: store i16 poison, ptr @_Cc.Main, align 2, !dbg !104
// CHECK:STDOUT: ret void, !dbg !105
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @_Z11pass_signedasil(i8 noundef signext, i16 noundef signext, i32 noundef, i64 noundef) #3
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @_Z13pass_unsignedhtjm(i8 noundef zeroext, i16 noundef zeroext, i32 noundef, i64 noundef) #3
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @_Z10pass_shorts(i16 noundef signext) #3
// CHECK:STDOUT:
// CHECK:STDOUT: ; uselistorder directives
// CHECK:STDOUT: uselistorder ptr @_Z10pass_shorts.carbon_thunk._, { 3, 2, 1, 0 }
// CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 7, 6, 5, 4, 3, 2, 1, 0 }
// CHECK:STDOUT:
// CHECK:STDOUT: attributes #0 = { nounwind }
// CHECK:STDOUT: attributes #1 = { alwaysinline mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
// CHECK:STDOUT: attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
// CHECK:STDOUT: attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
// CHECK:STDOUT:
// CHECK:STDOUT: !llvm.dbg.cu = !{!35}
// CHECK:STDOUT: !llvm.module.flags = !{!120, !121, !122, !2, !3}
// CHECK:STDOUT: !llvm.errno.tbaa = !{!124}
// CHECK:STDOUT:
// CHECK:STDOUT: !2 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !3 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !10 = !DIBasicType(name: "int", size: 8, encoding: DW_ATE_unsigned)
// CHECK:STDOUT: !34 = !DIFile(filename: "import_ints.carbon", directory: "")
// CHECK:STDOUT: !35 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !34, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !38 = !DIBasicType(name: "int", size: 8, encoding: DW_ATE_signed)
// CHECK:STDOUT: !39 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed)
// CHECK:STDOUT: !41 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_unsigned)
// CHECK:STDOUT: !42 = !{null}
// CHECK:STDOUT: !43 = !DISubroutineType(types: !42)
// CHECK:STDOUT: !44 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
// CHECK:STDOUT: !47 = !{null, !39}
// CHECK:STDOUT: !48 = !DISubroutineType(types: !47)
// CHECK:STDOUT: !49 = !{null, !38}
// CHECK:STDOUT: !50 = !DISubroutineType(types: !49)
// CHECK:STDOUT: !53 = !{null, !41}
// CHECK:STDOUT: !54 = !DISubroutineType(types: !53)
// CHECK:STDOUT: !55 = !{null, !10}
// CHECK:STDOUT: !56 = !DISubroutineType(types: !55)
// CHECK:STDOUT: !59 = !{null, !39, !44}
// CHECK:STDOUT: !60 = !DISubroutineType(types: !59)
// CHECK:STDOUT: !63 = distinct !DISubprogram(name: "MyF", linkageName: "_CMyF.Main", scope: null, file: !34, line: 6, type: !43, spFlags: DISPFlagDefinition, unit: !35)
// CHECK:STDOUT: !64 = !DILocation(line: 7, column: 19, scope: !63)
// CHECK:STDOUT: !65 = !DILocation(line: 7, column: 22, scope: !63)
// CHECK:STDOUT: !66 = !DILocation(line: 7, column: 3, scope: !63)
// CHECK:STDOUT: !67 = !DILocation(line: 9, column: 21, scope: !63)
// CHECK:STDOUT: !68 = !DILocation(line: 9, column: 24, scope: !63)
// CHECK:STDOUT: !69 = !DILocation(line: 9, column: 3, scope: !63)
// CHECK:STDOUT: !70 = !DILocation(line: 6, column: 1, scope: !63)
// CHECK:STDOUT: !71 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.2282b3883c44dd3d:core.Destroy.Core", scope: null, file: !34, line: 7, type: !48, spFlags: DISPFlagDefinition, unit: !35, retainedNodes: !74)
// CHECK:STDOUT: !72 = !DILocalVariable(arg: 1, scope: !71, type: !39)
// CHECK:STDOUT: !73 = !DILocation(line: 7, column: 22, scope: !71)
// CHECK:STDOUT: !74 = !{!72}
// CHECK:STDOUT: !75 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.76b35ac5407de20a:core.Destroy.Core", scope: null, file: !34, line: 7, type: !50, spFlags: DISPFlagDefinition, unit: !35, retainedNodes: !78)
// CHECK:STDOUT: !76 = !DILocalVariable(arg: 1, scope: !75, type: !38)
// CHECK:STDOUT: !77 = !DILocation(line: 7, column: 19, scope: !75)
// CHECK:STDOUT: !78 = !{!76}
// CHECK:STDOUT: !79 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.8a85cde440b80916:core.Destroy.Core", scope: null, file: !34, line: 9, type: !54, spFlags: DISPFlagDefinition, unit: !35, retainedNodes: !82)
// CHECK:STDOUT: !80 = !DILocalVariable(arg: 1, scope: !79, type: !41)
// CHECK:STDOUT: !81 = !DILocation(line: 9, column: 24, scope: !79)
// CHECK:STDOUT: !82 = !{!80}
// CHECK:STDOUT: !83 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.ecefe2c1c010dc1e:core.Destroy.Core", scope: null, file: !34, line: 9, type: !56, spFlags: DISPFlagDefinition, unit: !35, retainedNodes: !86)
// CHECK:STDOUT: !84 = !DILocalVariable(arg: 1, scope: !83, type: !10)
// CHECK:STDOUT: !85 = !DILocation(line: 9, column: 21, scope: !83)
// CHECK:STDOUT: !86 = !{!84}
// CHECK:STDOUT: !87 = distinct !DISubprogram(name: "PassShort", linkageName: "_CPassShort.Main", scope: null, file: !34, line: 16, type: !60, spFlags: DISPFlagDefinition, unit: !35, retainedNodes: !102)
// CHECK:STDOUT: !88 = !DILocalVariable(arg: 1, scope: !87, type: !39)
// CHECK:STDOUT: !89 = !DILocalVariable(arg: 2, scope: !87, type: !44)
// CHECK:STDOUT: !92 = !DILocation(line: 17, column: 18, scope: !87)
// CHECK:STDOUT: !93 = !DILocation(line: 17, column: 3, scope: !87)
// CHECK:STDOUT: !95 = !DILocation(line: 18, column: 18, scope: !87)
// CHECK:STDOUT: !96 = !DILocation(line: 18, column: 3, scope: !87)
// CHECK:STDOUT: !97 = !DILocation(line: 19, column: 18, scope: !87)
// CHECK:STDOUT: !98 = !DILocation(line: 19, column: 3, scope: !87)
// CHECK:STDOUT: !99 = !DILocation(line: 20, column: 18, scope: !87)
// CHECK:STDOUT: !100 = !DILocation(line: 20, column: 3, scope: !87)
// CHECK:STDOUT: !101 = !DILocation(line: 16, column: 1, scope: !87)
// CHECK:STDOUT: !102 = !{!88, !89}
// CHECK:STDOUT: !103 = distinct !DISubprogram(name: "__global_init", linkageName: "_C__global_init.Main", scope: null, file: !34, type: !43, spFlags: DISPFlagDefinition, unit: !35)
// CHECK:STDOUT: !104 = !DILocation(line: 14, column: 1, scope: !103)
// CHECK:STDOUT: !105 = !DILocation(line: 0, scope: !103)
// CHECK:STDOUT: !106 = !{!"Simple C++ TBAA"}
// CHECK:STDOUT: !107 = !{!"omnipotent char", !106, i64 0}
// CHECK:STDOUT: !108 = !{!"any pointer", !107, i64 0}
// CHECK:STDOUT: !109 = !{!"p1 omnipotent char", !108, i64 0}
// CHECK:STDOUT: !110 = !{!109, !109, i64 0}
// CHECK:STDOUT: !111 = !{!"short", !107, i64 0}
// CHECK:STDOUT: !112 = !{!"p1 short", !108, i64 0}
// CHECK:STDOUT: !113 = !{!112, !112, i64 0}
// CHECK:STDOUT: !114 = !{!"int", !107, i64 0}
// CHECK:STDOUT: !115 = !{!114, !114, i64 0}
// CHECK:STDOUT: !116 = !{!"long", !107, i64 0}
// CHECK:STDOUT: !117 = !{!116, !116, i64 0}
// CHECK:STDOUT: !118 = !{!107, !107, i64 0}
// CHECK:STDOUT: !119 = !{!111, !111, i64 0}
// CHECK:STDOUT: !120 = !{i32 8, !"PIC Level", i32 2}
// CHECK:STDOUT: !121 = !{i32 7, !"PIE Level", i32 2}
// CHECK:STDOUT: !122 = !{i32 7, !"uwtable", i32 2}
// CHECK:STDOUT: !123 = !{!"__libc_errno", !114, i64 0}
// CHECK:STDOUT: !124 = !{!123, !114, i64 0}
// CHECK:STDOUT:
// CHECK:STDOUT: ; ---
// CHECK:STDOUT: ; ModuleID = 'import_struct.carbon'
// CHECK:STDOUT: source_filename = "import_struct.carbon"
// CHECK:STDOUT: target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
// CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
// CHECK:STDOUT:
// CHECK:STDOUT: %struct.X = type { i32, i32, i32 }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define void @_CTest.Main() #0 !dbg !129 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %x.var = alloca [12 x i8], align 4, !dbg !130
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %x.var), !dbg !130
// CHECK:STDOUT: call void @"_COp.51f3fb62cb986374:DefaultOrUnformed.Core.102476b7ae87d0a1"(ptr %x.var), !dbg !130
// CHECK:STDOUT: %.loc8_4.a = getelementptr inbounds nuw [12 x i8], ptr %x.var, i32 0, i32 0, !dbg !132
// CHECK:STDOUT: store i32 1, ptr %.loc8_4.a, align 4, !dbg !132
// CHECK:STDOUT: %.loc9_4.b = getelementptr inbounds nuw [12 x i8], ptr %x.var, i32 0, i32 4, !dbg !133
// CHECK:STDOUT: store i32 2, ptr %.loc9_4.b, align 4, !dbg !133
// CHECK:STDOUT: %.loc10_4.c = getelementptr inbounds nuw [12 x i8], ptr %x.var, i32 0, i32 8, !dbg !134
// CHECK:STDOUT: store i32 3, ptr %.loc10_4.c, align 4, !dbg !134
// CHECK:STDOUT: call void @_Z11pass_struct1X.carbon_thunk._(ptr %x.var), !dbg !136
// CHECK:STDOUT: call void @"_CSelfDestruct.3d7b8a41b4c67e71:core.Destroy.Core"(ptr %x.var), !dbg !130
// CHECK:STDOUT: ret void, !dbg !137
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress nounwind uwtable
// CHECK:STDOUT: define internal void @_ZN1XC1Ev.carbon_thunk.(ptr noundef %return) #1 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %return.addr = alloca ptr, align 8
// CHECK:STDOUT: store ptr %return, ptr %return.addr, align 8, !tbaa !151
// CHECK:STDOUT: %0 = load ptr, ptr %return.addr, align 8, !tbaa !151
// CHECK:STDOUT: ret void
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline nounwind
// CHECK:STDOUT: define weak_odr void @"_COp:thunk:Default.eed9ddf3aaac414a.Core:X.Cpp"(ptr sret([12 x i8]) %return) #2 !dbg !139 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @_ZN1XC1Ev.carbon_thunk.(ptr %return), !dbg !140
// CHECK:STDOUT: ret void, !dbg !140
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
// CHECK:STDOUT: define internal void @_Z11pass_struct1X.carbon_thunk._(ptr noundef %0) #3 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.addr = alloca ptr, align 8
// CHECK:STDOUT: %agg.tmp = alloca %struct.X, align 4
// CHECK:STDOUT: %agg.tmp.coerce = alloca { i64, i32 }, align 4
// CHECK:STDOUT: store ptr %0, ptr %.addr, align 8, !tbaa !151
// CHECK:STDOUT: %1 = load ptr, ptr %.addr, align 8, !tbaa !151
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp, ptr align 4 %1, i64 12, i1 false), !tbaa.struct !153
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp.coerce, ptr align 4 %agg.tmp, i64 12, i1 false)
// CHECK:STDOUT: %2 = getelementptr inbounds nuw { i64, i32 }, ptr %agg.tmp.coerce, i32 0, i32 0
// CHECK:STDOUT: %3 = load i64, ptr %2, align 4
// CHECK:STDOUT: %4 = getelementptr inbounds nuw { i64, i32 }, ptr %agg.tmp.coerce, i32 0, i32 1
// CHECK:STDOUT: %5 = load i32, ptr %4, align 4
// CHECK:STDOUT: call void @_Z11pass_struct1X(i64 %3, i32 %5)
// CHECK:STDOUT: ret void
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.3d7b8a41b4c67e71:core.Destroy.Core"(ptr %self) #0 !dbg !141 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !143
// 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)) #4
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @"_COp.51f3fb62cb986374:DefaultOrUnformed.Core.102476b7ae87d0a1"(ptr sret([12 x i8]) %return) #0 !dbg !145 {
// CHECK:STDOUT: call void @"_COp:thunk:Default.eed9ddf3aaac414a.Core:X.Cpp"(ptr %return), !dbg !148
// CHECK:STDOUT: ret void, !dbg !149
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @_Z11pass_struct1X(i64, i32) #5
// 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) #4
// CHECK:STDOUT:
// CHECK:STDOUT: ; uselistorder directives
// CHECK:STDOUT: uselistorder ptr @llvm.memcpy.p0.p0.i64, { 1, 0 }
// CHECK:STDOUT:
// CHECK:STDOUT: attributes #0 = { nounwind }
// CHECK:STDOUT: attributes #1 = { alwaysinline mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
// CHECK:STDOUT: attributes #2 = { alwaysinline nounwind }
// CHECK:STDOUT: attributes #3 = { alwaysinline mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
// CHECK:STDOUT: attributes #4 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
// CHECK:STDOUT: attributes #5 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
// CHECK:STDOUT:
// CHECK:STDOUT: !llvm.dbg.cu = !{!126}
// CHECK:STDOUT: !llvm.module.flags = !{!120, !121, !122, !2, !3}
// CHECK:STDOUT: !llvm.errno.tbaa = !{!124}
// CHECK:STDOUT:
// CHECK:STDOUT: !2 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !3 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !28 = !DIFile(filename: "min_prelude/parts/default.carbon", directory: "")
// CHECK:STDOUT: !42 = !{null}
// CHECK:STDOUT: !43 = !DISubroutineType(types: !42)
// CHECK:STDOUT: !44 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
// CHECK:STDOUT: !61 = !{null, !44}
// CHECK:STDOUT: !62 = !DISubroutineType(types: !61)
// CHECK:STDOUT: !106 = !{!"Simple C++ TBAA"}
// CHECK:STDOUT: !107 = !{!"omnipotent char", !106, i64 0}
// CHECK:STDOUT: !108 = !{!"any pointer", !107, i64 0}
// CHECK:STDOUT: !114 = !{!"int", !107, i64 0}
// CHECK:STDOUT: !115 = !{!114, !114, i64 0}
// CHECK:STDOUT: !120 = !{i32 8, !"PIC Level", i32 2}
// CHECK:STDOUT: !121 = !{i32 7, !"PIE Level", i32 2}
// CHECK:STDOUT: !122 = !{i32 7, !"uwtable", i32 2}
// CHECK:STDOUT: !123 = !{!"__libc_errno", !114, i64 0}
// CHECK:STDOUT: !124 = !{!123, !114, i64 0}
// CHECK:STDOUT: !125 = !DIFile(filename: "import_struct.carbon", directory: "")
// CHECK:STDOUT: !126 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !125, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !127 = !{!44}
// CHECK:STDOUT: !128 = !DISubroutineType(types: !127)
// CHECK:STDOUT: !129 = distinct !DISubprogram(name: "Test", linkageName: "_CTest.Main", scope: null, file: !125, line: 6, type: !43, spFlags: DISPFlagDefinition, unit: !126)
// CHECK:STDOUT: !130 = !DILocation(line: 7, column: 3, scope: !129)
// CHECK:STDOUT: !132 = !DILocation(line: 8, column: 3, scope: !129)
// CHECK:STDOUT: !133 = !DILocation(line: 9, column: 3, scope: !129)
// CHECK:STDOUT: !134 = !DILocation(line: 10, column: 3, scope: !129)
// CHECK:STDOUT: !136 = !DILocation(line: 11, column: 3, scope: !129)
// CHECK:STDOUT: !137 = !DILocation(line: 6, column: 1, scope: !129)
// CHECK:STDOUT: !138 = !DIFile(filename: "./struct.h", directory: "")
// CHECK:STDOUT: !139 = distinct !DISubprogram(name: "Op", linkageName: "_COp:thunk:Default.eed9ddf3aaac414a.Core:X.Cpp", scope: null, file: !138, line: 2, type: !128, spFlags: DISPFlagDefinition, unit: !126)
// CHECK:STDOUT: !140 = !DILocation(line: 2, column: 8, scope: !139)
// CHECK:STDOUT: !141 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.3d7b8a41b4c67e71:core.Destroy.Core", scope: null, file: !125, line: 7, type: !62, spFlags: DISPFlagDefinition, unit: !126, retainedNodes: !144)
// CHECK:STDOUT: !142 = !DILocalVariable(arg: 1, scope: !141, type: !44)
// CHECK:STDOUT: !143 = !DILocation(line: 7, column: 3, scope: !141)
// CHECK:STDOUT: !144 = !{!142}
// CHECK:STDOUT: !145 = distinct !DISubprogram(name: "Op", linkageName: "_COp.51f3fb62cb986374:DefaultOrUnformed.Core.102476b7ae87d0a1", scope: null, file: !28, line: 9, type: !128, spFlags: DISPFlagDefinition, unit: !126)
// CHECK:STDOUT: !148 = !DILocation(line: 9, column: 28, scope: !145)
// CHECK:STDOUT: !149 = !DILocation(line: 9, column: 21, scope: !145)
// CHECK:STDOUT: !150 = !{!"p1 _ZTS1X", !108, i64 0}
// CHECK:STDOUT: !151 = !{!150, !150, i64 0}
// CHECK:STDOUT: !153 = !{i64 0, i64 4, !115, i64 4, i64 4, !115, i64 8, i64 4, !115}
// CHECK:STDOUT:
// CHECK:STDOUT: ; ---
// CHECK:STDOUT: ; ModuleID = 'import_class_with_nontrivial_copy.carbon'
// CHECK:STDOUT: source_filename = "import_class_with_nontrivial_copy.carbon"
// CHECK:STDOUT: target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
// CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
// CHECK:STDOUT:
// CHECK:STDOUT: %class.Y = type { i32, i32, i32 }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define void @_CPassRefExpr.Main() #0 !dbg !156 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %y.var = alloca [12 x i8], align 4, !dbg !157
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %y.var), !dbg !157
// CHECK:STDOUT: %.loc8_4.a = getelementptr inbounds nuw [12 x i8], ptr %y.var, i32 0, i32 0, !dbg !159
// CHECK:STDOUT: store i32 1, ptr %.loc8_4.a, align 4, !dbg !159
// CHECK:STDOUT: %.loc9_4.b = getelementptr inbounds nuw [12 x i8], ptr %y.var, i32 0, i32 4, !dbg !160
// CHECK:STDOUT: store i32 2, ptr %.loc9_4.b, align 4, !dbg !160
// CHECK:STDOUT: %.loc10_4.c = getelementptr inbounds nuw [12 x i8], ptr %y.var, i32 0, i32 8, !dbg !161
// CHECK:STDOUT: store i32 3, ptr %.loc10_4.c, align 4, !dbg !161
// CHECK:STDOUT: call void @_Z11pass_struct1Y.carbon_thunk._(ptr %y.var), !dbg !163
// CHECK:STDOUT: call void @"_CSelfDestruct.988e3d50a7ba5577:core.Destroy.Core"(ptr %y.var), !dbg !157
// CHECK:STDOUT: ret void, !dbg !164
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
// CHECK:STDOUT: define internal void @_Z11pass_struct1Y.carbon_thunk._(ptr noundef %0) #1 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.addr = alloca ptr, align 8
// CHECK:STDOUT: %agg.tmp = alloca %class.Y, align 4
// CHECK:STDOUT: store ptr %0, ptr %.addr, align 8, !tbaa !181
// CHECK:STDOUT: %1 = load ptr, ptr %.addr, align 8, !tbaa !181
// CHECK:STDOUT: call void @_ZN1YC1ERKS_(ptr noundef nonnull align 4 dereferenceable(12) %agg.tmp, ptr noundef nonnull align 4 dereferenceable(12) %1)
// CHECK:STDOUT: call void @_Z11pass_struct1Y(ptr nofreeobj noundef align 4 dead_on_return dereferenceable(12) %agg.tmp)
// CHECK:STDOUT: ret void
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.988e3d50a7ba5577:core.Destroy.Core"(ptr %self) #0 !dbg !165 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !167
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @_CMake.Main(ptr sret([12 x i8]))
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define void @_CPassInitExpr.Main() #0 !dbg !169 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc17_24.1.temp = alloca [12 x i8], align 4, !dbg !170
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc17_24.1.temp), !dbg !170
// CHECK:STDOUT: call void @_CMake.Main(ptr %.loc17_24.1.temp), !dbg !170
// CHECK:STDOUT: call void @_Z11pass_struct1Y.carbon_thunk._(ptr %.loc17_24.1.temp), !dbg !171
// CHECK:STDOUT: call void @"_CSelfDestruct.988e3d50a7ba5577:core.Destroy.Core"(ptr %.loc17_24.1.temp), !dbg !170
// CHECK:STDOUT: ret void, !dbg !172
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define void @_CPassValueExpr.Main(ptr %y) #0 !dbg !173 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @_Z11pass_struct1Y.carbon_thunk._(ptr %y), !dbg !177
// CHECK:STDOUT: ret void, !dbg !178
// 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)) #2
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @_Z11pass_struct1Y(ptr nofreeobj noundef align 4 dead_on_return dereferenceable(12)) #3
// CHECK:STDOUT:
// CHECK:STDOUT: declare void @_ZN1YC1ERKS_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) unnamed_addr #3
// CHECK:STDOUT:
// CHECK:STDOUT: ; uselistorder directives
// CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 1, 0 }
// CHECK:STDOUT:
// CHECK:STDOUT: attributes #0 = { nounwind }
// CHECK:STDOUT: attributes #1 = { alwaysinline mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
// CHECK:STDOUT: attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
// CHECK:STDOUT: attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
// CHECK:STDOUT:
// CHECK:STDOUT: !llvm.dbg.cu = !{!155}
// CHECK:STDOUT: !llvm.module.flags = !{!120, !121, !122, !2, !3}
// CHECK:STDOUT: !llvm.errno.tbaa = !{!124}
// CHECK:STDOUT:
// CHECK:STDOUT: !2 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !3 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !42 = !{null}
// CHECK:STDOUT: !43 = !DISubroutineType(types: !42)
// CHECK:STDOUT: !44 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
// CHECK:STDOUT: !61 = !{null, !44}
// CHECK:STDOUT: !62 = !DISubroutineType(types: !61)
// CHECK:STDOUT: !106 = !{!"Simple C++ TBAA"}
// CHECK:STDOUT: !107 = !{!"omnipotent char", !106, i64 0}
// CHECK:STDOUT: !108 = !{!"any pointer", !107, i64 0}
// CHECK:STDOUT: !114 = !{!"int", !107, i64 0}
// CHECK:STDOUT: !120 = !{i32 8, !"PIC Level", i32 2}
// CHECK:STDOUT: !121 = !{i32 7, !"PIE Level", i32 2}
// CHECK:STDOUT: !122 = !{i32 7, !"uwtable", i32 2}
// CHECK:STDOUT: !123 = !{!"__libc_errno", !114, i64 0}
// CHECK:STDOUT: !124 = !{!123, !114, i64 0}
// CHECK:STDOUT: !154 = !DIFile(filename: "import_class_with_nontrivial_copy.carbon", directory: "")
// CHECK:STDOUT: !155 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !154, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !156 = distinct !DISubprogram(name: "PassRefExpr", linkageName: "_CPassRefExpr.Main", scope: null, file: !154, line: 6, type: !43, spFlags: DISPFlagDefinition, unit: !155)
// CHECK:STDOUT: !157 = !DILocation(line: 7, column: 3, scope: !156)
// CHECK:STDOUT: !159 = !DILocation(line: 8, column: 3, scope: !156)
// CHECK:STDOUT: !160 = !DILocation(line: 9, column: 3, scope: !156)
// CHECK:STDOUT: !161 = !DILocation(line: 10, column: 3, scope: !156)
// CHECK:STDOUT: !163 = !DILocation(line: 11, column: 3, scope: !156)
// CHECK:STDOUT: !164 = !DILocation(line: 6, column: 1, scope: !156)
// CHECK:STDOUT: !165 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.988e3d50a7ba5577:core.Destroy.Core", scope: null, file: !154, line: 7, type: !62, spFlags: DISPFlagDefinition, unit: !155, retainedNodes: !168)
// CHECK:STDOUT: !166 = !DILocalVariable(arg: 1, scope: !165, type: !44)
// CHECK:STDOUT: !167 = !DILocation(line: 7, column: 3, scope: !165)
// CHECK:STDOUT: !168 = !{!166}
// CHECK:STDOUT: !169 = distinct !DISubprogram(name: "PassInitExpr", linkageName: "_CPassInitExpr.Main", scope: null, file: !154, line: 16, type: !43, spFlags: DISPFlagDefinition, unit: !155)
// CHECK:STDOUT: !170 = !DILocation(line: 17, column: 19, scope: !169)
// CHECK:STDOUT: !171 = !DILocation(line: 17, column: 3, scope: !169)
// CHECK:STDOUT: !172 = !DILocation(line: 16, column: 1, scope: !169)
// CHECK:STDOUT: !173 = distinct !DISubprogram(name: "PassValueExpr", linkageName: "_CPassValueExpr.Main", scope: null, file: !154, line: 20, type: !62, spFlags: DISPFlagDefinition, unit: !155, retainedNodes: !179)
// CHECK:STDOUT: !174 = !DILocalVariable(arg: 1, scope: !173, type: !44)
// CHECK:STDOUT: !177 = !DILocation(line: 21, column: 3, scope: !173)
// CHECK:STDOUT: !178 = !DILocation(line: 20, column: 1, scope: !173)
// CHECK:STDOUT: !179 = !{!174}
// CHECK:STDOUT: !180 = !{!"p1 _ZTS1Y", !108, i64 0}
// CHECK:STDOUT: !181 = !{!180, !180, i64 0}
// CHECK:STDOUT:
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