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carbon-lang/toolchain/lower/testdata/interop/cpp/parameters.carbon
T
josh11bandJosh L 832d46f01b Update LLVM (#7221) 
Assisted-by: Google Antigravity

---------

Co-authored-by: Josh L <josh11b@users.noreply.github.com>
2026-05-18 17:06:58 +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/parameters.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/interop/cpp/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: ; 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_1.30e = internal constant i8 1
// CHECK:STDOUT: @int_2.305 = internal constant i16 2
// CHECK:STDOUT: @int_1.e80 = internal constant i8 1
// CHECK:STDOUT: @int_2.fb2 = 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 !11 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc7_19.3.temp = alloca i8, align 1, !dbg !14
// CHECK:STDOUT: %.loc7_22.3.temp = alloca i16, align 2, !dbg !15
// CHECK:STDOUT: %.loc9_21.3.temp = alloca i8, align 1, !dbg !16
// CHECK:STDOUT: %.loc9_24.3.temp = alloca i16, align 2, !dbg !17
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc7_19.3.temp), !dbg !14
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc7_22.3.temp), !dbg !15
// CHECK:STDOUT: call void @_Z11pass_signedasil.carbon_thunk.____(ptr @int_1.30e, ptr @int_2.305, i32 3, i64 4), !dbg !18
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc9_21.3.temp), !dbg !16
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc9_24.3.temp), !dbg !17
// CHECK:STDOUT: call void @_Z13pass_unsignedhtjm.carbon_thunk.____(ptr @int_1.e80, ptr @int_2.fb2, i32 3, i64 4), !dbg !19
// CHECK:STDOUT: call void @"_COp.ecaf8c3e76291eee:core.Destroy.Core"(ptr @int_2.fb2), !dbg !17
// CHECK:STDOUT: call void @"_COp.3de38e83520d6bec:core.Destroy.Core"(ptr @int_1.e80), !dbg !16
// CHECK:STDOUT: call void @"_COp.406738f1b62008ed:core.Destroy.Core"(ptr @int_2.305), !dbg !15
// CHECK:STDOUT: call void @"_COp.43bece552030817c:core.Destroy.Core"(ptr @int_1.30e), !dbg !14
// CHECK:STDOUT: ret void, !dbg !20
// 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 !21
// CHECK:STDOUT: store ptr %1, ptr %.addr1, align 8, !tbaa !24
// CHECK:STDOUT: store i32 %2, ptr %.addr2, align 4, !tbaa !7
// CHECK:STDOUT: store i64 %3, ptr %.addr3, align 8, !tbaa !26
// CHECK:STDOUT: %4 = load ptr, ptr %.addr, align 8, !tbaa !21
// CHECK:STDOUT: %5 = load i8, ptr %4, align 1, !tbaa !28
// CHECK:STDOUT: %6 = load ptr, ptr %.addr1, align 8, !tbaa !24
// CHECK:STDOUT: %7 = load i16, ptr %6, align 2, !tbaa !29
// CHECK:STDOUT: %8 = load i32, ptr %.addr2, align 4, !tbaa !7
// CHECK:STDOUT: %9 = load i64, ptr %.addr3, align 8, !tbaa !26
// 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: 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 !21
// CHECK:STDOUT: store ptr %1, ptr %.addr1, align 8, !tbaa !24
// CHECK:STDOUT: store i32 %2, ptr %.addr2, align 4, !tbaa !7
// CHECK:STDOUT: store i64 %3, ptr %.addr3, align 8, !tbaa !26
// CHECK:STDOUT: %4 = load ptr, ptr %.addr, align 8, !tbaa !21
// CHECK:STDOUT: %5 = load i8, ptr %4, align 1, !tbaa !28
// CHECK:STDOUT: %6 = load ptr, ptr %.addr1, align 8, !tbaa !24
// CHECK:STDOUT: %7 = load i16, ptr %6, align 2, !tbaa !29
// CHECK:STDOUT: %8 = load i32, ptr %.addr2, align 4, !tbaa !7
// CHECK:STDOUT: %9 = load i64, ptr %.addr3, align 8, !tbaa !26
// 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 @"_COp.ecaf8c3e76291eee:core.Destroy.Core"(ptr %self) #0 !dbg !31 {
// 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.3de38e83520d6bec:core.Destroy.Core"(ptr %self) #0 !dbg !38 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !44
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_COp.406738f1b62008ed:core.Destroy.Core"(ptr %self) #0 !dbg !45 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !51
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define weak_odr void @"_COp.43bece552030817c:core.Destroy.Core"(ptr %self) #0 !dbg !52 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !58
// 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 !59 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc17_18.1.temp = alloca i16, align 2, !dbg !66
// CHECK:STDOUT: %.loc18_18.3.temp = alloca i16, align 2, !dbg !67
// CHECK:STDOUT: %.loc19_18.2.temp = alloca i16, align 2, !dbg !68
// CHECK:STDOUT: %.loc20_28.3.temp = alloca i16, align 2, !dbg !69
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc17_18.1.temp), !dbg !66
// CHECK:STDOUT: store i16 %a, ptr %.loc17_18.1.temp, align 2, !dbg !66
// CHECK:STDOUT: call void @_Z10pass_shorts.carbon_thunk._(ptr %.loc17_18.1.temp), !dbg !70
// CHECK:STDOUT: %.loc18_18.2 = load i16, ptr %b, align 2, !dbg !67
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc18_18.3.temp), !dbg !67
// CHECK:STDOUT: store i16 %.loc18_18.2, ptr %.loc18_18.3.temp, align 2, !dbg !67
// CHECK:STDOUT: call void @_Z10pass_shorts.carbon_thunk._(ptr %.loc18_18.3.temp), !dbg !71
// CHECK:STDOUT: %.loc19_18.1 = load i16, ptr @_Cc.Main, align 2, !dbg !68
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc19_18.2.temp), !dbg !68
// CHECK:STDOUT: store i16 %.loc19_18.1, ptr %.loc19_18.2.temp, align 2, !dbg !68
// CHECK:STDOUT: call void @_Z10pass_shorts.carbon_thunk._(ptr %.loc19_18.2.temp), !dbg !72
// CHECK:STDOUT: %MakeShort.call = call i16 @_CMakeShort.Main(), !dbg !69
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc20_28.3.temp), !dbg !69
// CHECK:STDOUT: store i16 %MakeShort.call, ptr %.loc20_28.3.temp, align 2, !dbg !69
// CHECK:STDOUT: call void @_Z10pass_shorts.carbon_thunk._(ptr %.loc20_28.3.temp), !dbg !73
// CHECK:STDOUT: call void @"_COp.406738f1b62008ed:core.Destroy.Core"(ptr %.loc20_28.3.temp), !dbg !69
// CHECK:STDOUT: call void @"_COp.406738f1b62008ed:core.Destroy.Core"(ptr %.loc19_18.2.temp), !dbg !68
// CHECK:STDOUT: call void @"_COp.406738f1b62008ed:core.Destroy.Core"(ptr %.loc18_18.3.temp), !dbg !67
// CHECK:STDOUT: call void @"_COp.406738f1b62008ed:core.Destroy.Core"(ptr %.loc17_18.1.temp), !dbg !66
// CHECK:STDOUT: ret void, !dbg !74
// 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 !24
// CHECK:STDOUT: %1 = load ptr, ptr %.addr, align 8, !tbaa !24
// CHECK:STDOUT: %2 = load i16, ptr %1, align 2, !tbaa !29
// 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 !75 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: store i16 poison, ptr @_Cc.Main, align 2, !dbg !76
// CHECK:STDOUT: ret void, !dbg !77
// 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.module.flags = !{!0, !1, !2, !3, !4}
// CHECK:STDOUT: !llvm.dbg.cu = !{!5}
// CHECK:STDOUT: !llvm.errno.tbaa = !{!7}
// CHECK:STDOUT:
// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !2 = !{i32 8, !"PIC Level", i32 2}
// CHECK:STDOUT: !3 = !{i32 7, !"PIE Level", i32 2}
// CHECK:STDOUT: !4 = !{i32 7, !"uwtable", i32 2}
// CHECK:STDOUT: !5 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !6, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !6 = !DIFile(filename: "import_ints.carbon", directory: "")
// CHECK:STDOUT: !7 = !{!8, !8, i64 0}
// CHECK:STDOUT: !8 = !{!"int", !9, i64 0}
// CHECK:STDOUT: !9 = !{!"omnipotent char", !10, i64 0}
// CHECK:STDOUT: !10 = !{!"Simple C++ TBAA"}
// CHECK:STDOUT: !11 = distinct !DISubprogram(name: "MyF", linkageName: "_CMyF.Main", scope: null, file: !6, line: 6, type: !12, spFlags: DISPFlagDefinition, unit: !5)
// CHECK:STDOUT: !12 = !DISubroutineType(types: !13)
// CHECK:STDOUT: !13 = !{null}
// CHECK:STDOUT: !14 = !DILocation(line: 7, column: 19, scope: !11)
// CHECK:STDOUT: !15 = !DILocation(line: 7, column: 22, scope: !11)
// CHECK:STDOUT: !16 = !DILocation(line: 9, column: 21, scope: !11)
// CHECK:STDOUT: !17 = !DILocation(line: 9, column: 24, scope: !11)
// CHECK:STDOUT: !18 = !DILocation(line: 7, column: 3, scope: !11)
// CHECK:STDOUT: !19 = !DILocation(line: 9, column: 3, scope: !11)
// CHECK:STDOUT: !20 = !DILocation(line: 6, column: 1, scope: !11)
// CHECK:STDOUT: !21 = !{!22, !22, i64 0}
// CHECK:STDOUT: !22 = !{!"p1 omnipotent char", !23, i64 0}
// CHECK:STDOUT: !23 = !{!"any pointer", !9, i64 0}
// CHECK:STDOUT: !24 = !{!25, !25, i64 0}
// CHECK:STDOUT: !25 = !{!"p1 short", !23, i64 0}
// CHECK:STDOUT: !26 = !{!27, !27, i64 0}
// CHECK:STDOUT: !27 = !{!"long", !9, i64 0}
// CHECK:STDOUT: !28 = !{!9, !9, i64 0}
// CHECK:STDOUT: !29 = !{!30, !30, i64 0}
// CHECK:STDOUT: !30 = !{!"short", !9, i64 0}
// CHECK:STDOUT: !31 = distinct !DISubprogram(name: "Op", linkageName: "_COp.ecaf8c3e76291eee:core.Destroy.Core", scope: null, file: !6, line: 9, type: !32, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !35)
// CHECK:STDOUT: !32 = !DISubroutineType(types: !33)
// CHECK:STDOUT: !33 = !{null, !34}
// CHECK:STDOUT: !34 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_unsigned)
// CHECK:STDOUT: !35 = !{!36}
// CHECK:STDOUT: !36 = !DILocalVariable(arg: 1, scope: !31, type: !34)
// CHECK:STDOUT: !37 = !DILocation(line: 9, column: 24, scope: !31)
// CHECK:STDOUT: !38 = distinct !DISubprogram(name: "Op", linkageName: "_COp.3de38e83520d6bec:core.Destroy.Core", scope: null, file: !6, line: 9, type: !39, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !42)
// CHECK:STDOUT: !39 = !DISubroutineType(types: !40)
// CHECK:STDOUT: !40 = !{null, !41}
// CHECK:STDOUT: !41 = !DIBasicType(name: "int", size: 8, encoding: DW_ATE_unsigned)
// CHECK:STDOUT: !42 = !{!43}
// CHECK:STDOUT: !43 = !DILocalVariable(arg: 1, scope: !38, type: !41)
// CHECK:STDOUT: !44 = !DILocation(line: 9, column: 21, scope: !38)
// CHECK:STDOUT: !45 = distinct !DISubprogram(name: "Op", linkageName: "_COp.406738f1b62008ed:core.Destroy.Core", scope: null, file: !6, line: 7, type: !46, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !49)
// CHECK:STDOUT: !46 = !DISubroutineType(types: !47)
// CHECK:STDOUT: !47 = !{null, !48}
// CHECK:STDOUT: !48 = !DIBasicType(name: "int", size: 16, encoding: DW_ATE_signed)
// CHECK:STDOUT: !49 = !{!50}
// CHECK:STDOUT: !50 = !DILocalVariable(arg: 1, scope: !45, type: !48)
// CHECK:STDOUT: !51 = !DILocation(line: 7, column: 22, scope: !45)
// CHECK:STDOUT: !52 = distinct !DISubprogram(name: "Op", linkageName: "_COp.43bece552030817c:core.Destroy.Core", scope: null, file: !6, line: 7, type: !53, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !56)
// CHECK:STDOUT: !53 = !DISubroutineType(types: !54)
// CHECK:STDOUT: !54 = !{null, !55}
// CHECK:STDOUT: !55 = !DIBasicType(name: "int", size: 8, encoding: DW_ATE_signed)
// CHECK:STDOUT: !56 = !{!57}
// CHECK:STDOUT: !57 = !DILocalVariable(arg: 1, scope: !52, type: !55)
// CHECK:STDOUT: !58 = !DILocation(line: 7, column: 19, scope: !52)
// CHECK:STDOUT: !59 = distinct !DISubprogram(name: "PassShort", linkageName: "_CPassShort.Main", scope: null, file: !6, line: 16, type: !60, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !63)
// CHECK:STDOUT: !60 = !DISubroutineType(types: !61)
// CHECK:STDOUT: !61 = !{null, !48, !62}
// CHECK:STDOUT: !62 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
// CHECK:STDOUT: !63 = !{!64, !65}
// CHECK:STDOUT: !64 = !DILocalVariable(arg: 1, scope: !59, type: !48)
// CHECK:STDOUT: !65 = !DILocalVariable(arg: 2, scope: !59, type: !62)
// CHECK:STDOUT: !66 = !DILocation(line: 17, column: 18, scope: !59)
// CHECK:STDOUT: !67 = !DILocation(line: 18, column: 18, scope: !59)
// CHECK:STDOUT: !68 = !DILocation(line: 19, column: 18, scope: !59)
// CHECK:STDOUT: !69 = !DILocation(line: 20, column: 18, scope: !59)
// CHECK:STDOUT: !70 = !DILocation(line: 17, column: 3, scope: !59)
// CHECK:STDOUT: !71 = !DILocation(line: 18, column: 3, scope: !59)
// CHECK:STDOUT: !72 = !DILocation(line: 19, column: 3, scope: !59)
// CHECK:STDOUT: !73 = !DILocation(line: 20, column: 3, scope: !59)
// CHECK:STDOUT: !74 = !DILocation(line: 16, column: 1, scope: !59)
// CHECK:STDOUT: !75 = distinct !DISubprogram(name: "__global_init", linkageName: "_C__global_init.Main", scope: null, file: !6, type: !12, spFlags: DISPFlagDefinition, unit: !5)
// CHECK:STDOUT: !76 = !DILocation(line: 14, column: 1, scope: !75)
// CHECK:STDOUT: !77 = !DILocation(line: 0, scope: !75)
// 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 !11 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %x.var = alloca [12 x i8], align 1, !dbg !14
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %x.var), !dbg !14
// CHECK:STDOUT: call void @"_COp.d288d62be0e5d791:DefaultOrUnformed.Core.64f6b96556a8f2d4"(ptr %x.var), !dbg !14
// CHECK:STDOUT: %.loc8_4.a = getelementptr inbounds nuw [12 x i8], ptr %x.var, i32 0, i32 0, !dbg !15
// CHECK:STDOUT: store i32 1, ptr %.loc8_4.a, align 4, !dbg !15
// CHECK:STDOUT: %.loc9_4.b = getelementptr inbounds nuw [12 x i8], ptr %x.var, i32 0, i32 4, !dbg !16
// CHECK:STDOUT: store i32 2, ptr %.loc9_4.b, align 4, !dbg !16
// CHECK:STDOUT: %.loc10_4.c = getelementptr inbounds nuw [12 x i8], ptr %x.var, i32 0, i32 8, !dbg !17
// CHECK:STDOUT: store i32 3, ptr %.loc10_4.c, align 4, !dbg !17
// CHECK:STDOUT: call void @_Z11pass_struct1X.carbon_thunk._(ptr %x.var), !dbg !18
// CHECK:STDOUT: ret void, !dbg !19
// 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 !20
// CHECK:STDOUT: %0 = load ptr, ptr %return.addr, align 8, !tbaa !20
// CHECK:STDOUT: ret void
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: alwaysinline nounwind
// CHECK:STDOUT: define void @"_COp:thunk:Default.17a84649916546b3.Core:X.Cpp"(ptr sret([12 x i8]) %return) #2 !dbg !23 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @_ZN1XC1Ev.carbon_thunk.(ptr %return), !dbg !28
// CHECK:STDOUT: ret void, !dbg !28
// 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 !20
// CHECK:STDOUT: %1 = load ptr, ptr %.addr, align 8, !tbaa !20
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp, ptr align 4 %1, i64 12, i1 false), !tbaa.struct !29
// 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: 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.d288d62be0e5d791:DefaultOrUnformed.Core.64f6b96556a8f2d4"(ptr sret([12 x i8]) %return) #0 !dbg !30 {
// CHECK:STDOUT: call void @"_COp:thunk:Default.17a84649916546b3.Core:X.Cpp"(ptr %return), !dbg !32
// CHECK:STDOUT: ret void, !dbg !33
// 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.module.flags = !{!0, !1, !2, !3, !4}
// CHECK:STDOUT: !llvm.dbg.cu = !{!5}
// CHECK:STDOUT: !llvm.errno.tbaa = !{!7}
// CHECK:STDOUT:
// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !2 = !{i32 8, !"PIC Level", i32 2}
// CHECK:STDOUT: !3 = !{i32 7, !"PIE Level", i32 2}
// CHECK:STDOUT: !4 = !{i32 7, !"uwtable", i32 2}
// CHECK:STDOUT: !5 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !6, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !6 = !DIFile(filename: "import_struct.carbon", directory: "")
// CHECK:STDOUT: !7 = !{!8, !8, i64 0}
// CHECK:STDOUT: !8 = !{!"int", !9, i64 0}
// CHECK:STDOUT: !9 = !{!"omnipotent char", !10, i64 0}
// CHECK:STDOUT: !10 = !{!"Simple C++ TBAA"}
// CHECK:STDOUT: !11 = distinct !DISubprogram(name: "Test", linkageName: "_CTest.Main", scope: null, file: !6, line: 6, type: !12, spFlags: DISPFlagDefinition, unit: !5)
// CHECK:STDOUT: !12 = !DISubroutineType(types: !13)
// CHECK:STDOUT: !13 = !{null}
// CHECK:STDOUT: !14 = !DILocation(line: 7, column: 3, scope: !11)
// CHECK:STDOUT: !15 = !DILocation(line: 8, column: 3, scope: !11)
// CHECK:STDOUT: !16 = !DILocation(line: 9, column: 3, scope: !11)
// CHECK:STDOUT: !17 = !DILocation(line: 10, column: 3, scope: !11)
// CHECK:STDOUT: !18 = !DILocation(line: 11, column: 3, scope: !11)
// CHECK:STDOUT: !19 = !DILocation(line: 6, column: 1, scope: !11)
// CHECK:STDOUT: !20 = !{!21, !21, i64 0}
// CHECK:STDOUT: !21 = !{!"p1 _ZTS1X", !22, i64 0}
// CHECK:STDOUT: !22 = !{!"any pointer", !9, i64 0}
// CHECK:STDOUT: !23 = distinct !DISubprogram(name: "Op", linkageName: "_COp:thunk:Default.17a84649916546b3.Core:X.Cpp", scope: null, file: !24, line: 2, type: !25, spFlags: DISPFlagDefinition, unit: !5)
// CHECK:STDOUT: !24 = !DIFile(filename: "./struct.h", directory: "")
// CHECK:STDOUT: !25 = !DISubroutineType(types: !26)
// CHECK:STDOUT: !26 = !{!27}
// CHECK:STDOUT: !27 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
// CHECK:STDOUT: !28 = !DILocation(line: 2, column: 8, scope: !23)
// CHECK:STDOUT: !29 = !{i64 0, i64 4, !7, i64 4, i64 4, !7, i64 8, i64 4, !7}
// CHECK:STDOUT: !30 = distinct !DISubprogram(name: "Op", linkageName: "_COp.d288d62be0e5d791:DefaultOrUnformed.Core.64f6b96556a8f2d4", scope: null, file: !31, line: 9, type: !25, spFlags: DISPFlagDefinition, unit: !5)
// CHECK:STDOUT: !31 = !DIFile(filename: "min_prelude/parts/default.carbon", directory: "")
// CHECK:STDOUT: !32 = !DILocation(line: 9, column: 28, scope: !30)
// CHECK:STDOUT: !33 = !DILocation(line: 9, column: 21, scope: !30)
// 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 !11 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %y.var = alloca [12 x i8], align 1, !dbg !14
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %y.var), !dbg !14
// CHECK:STDOUT: %.loc8_4.a = getelementptr inbounds nuw [12 x i8], ptr %y.var, i32 0, i32 0, !dbg !15
// CHECK:STDOUT: store i32 1, ptr %.loc8_4.a, align 4, !dbg !15
// CHECK:STDOUT: %.loc9_4.b = getelementptr inbounds nuw [12 x i8], ptr %y.var, i32 0, i32 4, !dbg !16
// CHECK:STDOUT: store i32 2, ptr %.loc9_4.b, align 4, !dbg !16
// CHECK:STDOUT: %.loc10_4.c = getelementptr inbounds nuw [12 x i8], ptr %y.var, i32 0, i32 8, !dbg !17
// CHECK:STDOUT: store i32 3, ptr %.loc10_4.c, align 4, !dbg !17
// CHECK:STDOUT: call void @_Z11pass_struct1Y.carbon_thunk._(ptr %y.var), !dbg !18
// CHECK:STDOUT: ret void, !dbg !19
// 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 !20
// CHECK:STDOUT: %1 = load ptr, ptr %.addr, align 8, !tbaa !20
// 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 noundef dead_on_return %agg.tmp)
// CHECK:STDOUT: ret void
// 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 !23 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc17_24.1.temp = alloca [12 x i8], align 1, !dbg !24
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc17_24.1.temp), !dbg !24
// CHECK:STDOUT: call void @_CMake.Main(ptr %.loc17_24.1.temp), !dbg !24
// CHECK:STDOUT: call void @_Z11pass_struct1Y.carbon_thunk._(ptr %.loc17_24.1.temp), !dbg !25
// CHECK:STDOUT: ret void, !dbg !26
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define void @_CPassValueExpr.Main(ptr %y) #0 !dbg !27 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @_Z11pass_struct1Y.carbon_thunk._(ptr %y), !dbg !33
// CHECK:STDOUT: ret void, !dbg !34
// 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 noundef dead_on_return) #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.module.flags = !{!0, !1, !2, !3, !4}
// CHECK:STDOUT: !llvm.dbg.cu = !{!5}
// CHECK:STDOUT: !llvm.errno.tbaa = !{!7}
// CHECK:STDOUT:
// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !2 = !{i32 8, !"PIC Level", i32 2}
// CHECK:STDOUT: !3 = !{i32 7, !"PIE Level", i32 2}
// CHECK:STDOUT: !4 = !{i32 7, !"uwtable", i32 2}
// CHECK:STDOUT: !5 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !6, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !6 = !DIFile(filename: "import_class_with_nontrivial_copy.carbon", directory: "")
// CHECK:STDOUT: !7 = !{!8, !8, i64 0}
// CHECK:STDOUT: !8 = !{!"int", !9, i64 0}
// CHECK:STDOUT: !9 = !{!"omnipotent char", !10, i64 0}
// CHECK:STDOUT: !10 = !{!"Simple C++ TBAA"}
// CHECK:STDOUT: !11 = distinct !DISubprogram(name: "PassRefExpr", linkageName: "_CPassRefExpr.Main", scope: null, file: !6, line: 6, type: !12, spFlags: DISPFlagDefinition, unit: !5)
// CHECK:STDOUT: !12 = !DISubroutineType(types: !13)
// CHECK:STDOUT: !13 = !{null}
// CHECK:STDOUT: !14 = !DILocation(line: 7, column: 3, scope: !11)
// CHECK:STDOUT: !15 = !DILocation(line: 8, column: 3, scope: !11)
// CHECK:STDOUT: !16 = !DILocation(line: 9, column: 3, scope: !11)
// CHECK:STDOUT: !17 = !DILocation(line: 10, column: 3, scope: !11)
// CHECK:STDOUT: !18 = !DILocation(line: 11, column: 3, scope: !11)
// CHECK:STDOUT: !19 = !DILocation(line: 6, column: 1, scope: !11)
// CHECK:STDOUT: !20 = !{!21, !21, i64 0}
// CHECK:STDOUT: !21 = !{!"p1 _ZTS1Y", !22, i64 0}
// CHECK:STDOUT: !22 = !{!"any pointer", !9, i64 0}
// CHECK:STDOUT: !23 = distinct !DISubprogram(name: "PassInitExpr", linkageName: "_CPassInitExpr.Main", scope: null, file: !6, line: 16, type: !12, spFlags: DISPFlagDefinition, unit: !5)
// CHECK:STDOUT: !24 = !DILocation(line: 17, column: 19, scope: !23)
// CHECK:STDOUT: !25 = !DILocation(line: 17, column: 3, scope: !23)
// CHECK:STDOUT: !26 = !DILocation(line: 16, column: 1, scope: !23)
// CHECK:STDOUT: !27 = distinct !DISubprogram(name: "PassValueExpr", linkageName: "_CPassValueExpr.Main", scope: null, file: !6, line: 20, type: !28, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !31)
// CHECK:STDOUT: !28 = !DISubroutineType(types: !29)
// CHECK:STDOUT: !29 = !{null, !30}
// CHECK:STDOUT: !30 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
// CHECK:STDOUT: !31 = !{!32}
// CHECK:STDOUT: !32 = !DILocalVariable(arg: 1, scope: !27, type: !30)
// CHECK:STDOUT: !33 = !DILocation(line: 21, column: 3, scope: !27)
// CHECK:STDOUT: !34 = !DILocation(line: 20, column: 1, scope: !27)
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