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carbon-lang/toolchain/lower/testdata/function/generic/call_basic.carbon
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Jon Ross-Perkins c5eba90317 Change Destroy to use a CustomWitness instead of a blanket impl (#6512) 
Pursuant to recent decisions on #6124, switch `Destroy` to use a
`CustomWitness` for its implementation. Right now this is manufacturing
no-op implementation functions on each lookup, which obviously isn't
ideal but is intended as a first pass. I'm mostly trying to find the
right balance between updating the approach to reflect new decisions,
while still breaking apart work in a way.

The `CoreInterface` logic is intended to build on `CoreIdentifier`
support. We have a number of additional interfaces that require
specialized logic, and that'll extend pretty far with C++ interop, so it
seemed easiest to have a generic function for it. That's what's
replacing the logic inside C++ interop that was doing string comparisons
(which could have already been moved to `CoreIdentifier`, I just missed
it in my first pass).

This adds `CustomWitness` support because the `Destroy` witnesses can be
imported cross-file. `CustomWitness` was previously only used for C++
types, which don't yet support import, which is why that wasn't
previously an issue. The addition of `query_specific_interface_id` is
similarly needed in order to get correct sorting of witness blocks when
imported.

This PR also removes builtin constraint logic (note this is in a
separate commit to help review; it's not a separate PR because it's
difficult to split apart without tests breaking). This had been made
generic with the expectation that destroy, copy, move, and conversions
would all need related support. Under the new decision, we are not going
to do blanket impls and will instead just manufacture a `CustomWitness`
for everything.

A lot of SemIR fingerprints change, but that's probably because the
addition of `Destroy` on core classes is yielding structural changes.
2025-12-19 18:36:06 +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/function/generic/call_basic.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/function/generic/call_basic.carbon
class C {
impl as Core.Copy {
fn Op[self: Self]() -> Self { return {}; }
}
}
fn F[T:! type](_: T) {
}
fn H[T:! Core.Copy](x: T) -> T {
return x;
}
// Simple stress test for single depth of calls with change in types.
// Check definitions are emitted for each specific.
fn G[T:! Core.Copy & Core.Destroy](x: T) -> T {
H(x);
H(i32);
H(G(x));
// Calls to H with types not dependent on T.
var var_f64: f64;
H(var_f64);
var ptr_i32 : i32*;
H(ptr_i32);
var ptr_f64 : f64*;
H(ptr_f64);
var ptr_i8 : i8*;
H(ptr_i8);
var c: C;
H(c);
return x;
}
fn M() {
var n: i32 = 0;
var p: f64 = 1.0;
F(n);
let _: i32 = G(n);
F(p);
let _: f64 = G(p);
}
// CHECK:STDOUT: ; ModuleID = 'call_basic.carbon'
// CHECK:STDOUT: source_filename = "call_basic.carbon"
// CHECK:STDOUT:
// CHECK:STDOUT: %type = type {}
// CHECK:STDOUT:
// CHECK:STDOUT: @C.val.loc15_44 = internal constant {} zeroinitializer
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define void @"_COp.C.Main:Copy.Core"(ptr sret({}) %return, ptr %self) #0 !dbg !4 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 1 %return, ptr align 1 @C.val.loc15_44, i64 0, i1 false), !dbg !10
// CHECK:STDOUT: ret void, !dbg !10
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define void @_CM.Main() #0 !dbg !11 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %n.var = alloca i32, align 4, !dbg !14
// CHECK:STDOUT: %p.var = alloca double, align 8, !dbg !15
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %n.var), !dbg !14
// CHECK:STDOUT: store i32 0, ptr %n.var, align 4, !dbg !14
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %p.var), !dbg !15
// CHECK:STDOUT: store double 1.000000e+00, ptr %p.var, align 8, !dbg !15
// CHECK:STDOUT: %.loc52 = load i32, ptr %n.var, align 4, !dbg !16
// CHECK:STDOUT: call void @_CF.Main.b88d1103f417c6d4(i32 %.loc52), !dbg !17
// CHECK:STDOUT: %.loc53_18 = load i32, ptr %n.var, align 4, !dbg !18
// CHECK:STDOUT: %G.call.loc53 = call i32 @_CG.Main.329e9a7481f16207(i32 %.loc53_18), !dbg !19
// CHECK:STDOUT: %.loc54 = load double, ptr %p.var, align 8, !dbg !20
// CHECK:STDOUT: call void @_CF.Main.d4b5665541d5d7a8(double %.loc54), !dbg !21
// CHECK:STDOUT: %.loc55_18 = load double, ptr %p.var, align 8, !dbg !22
// CHECK:STDOUT: %G.call.loc55 = call double @_CG.Main.7220df690d061955(double %.loc55_18), !dbg !23
// CHECK:STDOUT: ret void, !dbg !24
// 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) #1
// 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 linkonce_odr void @_CF.Main.b88d1103f417c6d4(i32 %_) #0 !dbg !25 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !31
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr i32 @_CG.Main.329e9a7481f16207(i32 %x) #0 !dbg !32 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc29_6.3.temp = alloca i32, align 4, !dbg !37
// CHECK:STDOUT: %.loc31_8.3.temp = alloca i32, align 4, !dbg !38
// CHECK:STDOUT: %.loc31_9.3.temp = alloca i32, align 4, !dbg !39
// CHECK:STDOUT: %var_f64.var = alloca double, align 8, !dbg !40
// CHECK:STDOUT: %ptr_i32.var = alloca ptr, align 8, !dbg !41
// CHECK:STDOUT: %ptr_f64.var = alloca ptr, align 8, !dbg !42
// CHECK:STDOUT: %ptr_i8.var = alloca ptr, align 8, !dbg !43
// CHECK:STDOUT: %c.var = alloca {}, align 8, !dbg !44
// CHECK:STDOUT: %.loc43_6.3.temp = alloca {}, align 8, !dbg !45
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc29_6.3.temp), !dbg !37
// CHECK:STDOUT: %H.call.loc29 = call i32 @_CH.Main.64ccbb8e5d9a0b8e(i32 %x), !dbg !37
// CHECK:STDOUT: store i32 %H.call.loc29, ptr %.loc29_6.3.temp, align 4, !dbg !37
// CHECK:STDOUT: %H.call.loc30 = call %type @_CH.Main.582d60b54baf6b63(%type zeroinitializer), !dbg !46
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc31_8.3.temp), !dbg !38
// CHECK:STDOUT: %G.call = call i32 @_CG.Main.329e9a7481f16207(i32 %x), !dbg !38
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc31_9.3.temp), !dbg !39
// CHECK:STDOUT: store i32 %G.call, ptr %.loc31_8.3.temp, align 4, !dbg !38
// CHECK:STDOUT: %.loc31_8.5 = load i32, ptr %.loc31_8.3.temp, align 4, !dbg !38
// CHECK:STDOUT: %H.call.loc31 = call i32 @_CH.Main.64ccbb8e5d9a0b8e(i32 %.loc31_8.5), !dbg !39
// CHECK:STDOUT: store i32 %H.call.loc31, ptr %.loc31_9.3.temp, align 4, !dbg !39
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %var_f64.var), !dbg !40
// CHECK:STDOUT: %.loc35_5 = load double, ptr %var_f64.var, align 8, !dbg !47
// CHECK:STDOUT: %H.call.loc35 = call double @_CH.Main.de5b400758c39a65(double %.loc35_5), !dbg !48
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %ptr_i32.var), !dbg !41
// CHECK:STDOUT: %.loc37_5 = load ptr, ptr %ptr_i32.var, align 8, !dbg !49
// CHECK:STDOUT: %H.call.loc37 = call ptr @_CH.Main.779b9c0f3b54a7f8(ptr %.loc37_5), !dbg !50
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %ptr_f64.var), !dbg !42
// CHECK:STDOUT: %.loc39_5 = load ptr, ptr %ptr_f64.var, align 8, !dbg !51
// CHECK:STDOUT: %H.call.loc39 = call ptr @_CH.Main.779b9c0f3b54a7f8(ptr %.loc39_5), !dbg !52
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %ptr_i8.var), !dbg !43
// CHECK:STDOUT: %.loc41_5 = load ptr, ptr %ptr_i8.var, align 8, !dbg !53
// CHECK:STDOUT: %H.call.loc41 = call ptr @_CH.Main.779b9c0f3b54a7f8(ptr %.loc41_5), !dbg !54
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %c.var), !dbg !44
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc43_6.3.temp), !dbg !45
// CHECK:STDOUT: call void @_CH.Main.706e9f413f1bae3d(ptr %.loc43_6.3.temp, ptr %c.var), !dbg !45
// CHECK:STDOUT: ret i32 %x, !dbg !55
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @_CF.Main.d4b5665541d5d7a8(double %_) #0 !dbg !56 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret void, !dbg !61
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr double @_CG.Main.7220df690d061955(double %x) #0 !dbg !62 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: %.loc29_6.3.temp = alloca double, align 8, !dbg !65
// CHECK:STDOUT: %.loc31_8.3.temp = alloca double, align 8, !dbg !66
// CHECK:STDOUT: %.loc31_9.3.temp = alloca double, align 8, !dbg !67
// CHECK:STDOUT: %var_f64.var = alloca double, align 8, !dbg !68
// CHECK:STDOUT: %ptr_i32.var = alloca ptr, align 8, !dbg !69
// CHECK:STDOUT: %ptr_f64.var = alloca ptr, align 8, !dbg !70
// CHECK:STDOUT: %ptr_i8.var = alloca ptr, align 8, !dbg !71
// CHECK:STDOUT: %c.var = alloca {}, align 8, !dbg !72
// CHECK:STDOUT: %.loc43_6.3.temp = alloca {}, align 8, !dbg !73
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc29_6.3.temp), !dbg !65
// CHECK:STDOUT: %H.call.loc29 = call double @_CH.Main.de5b400758c39a65(double %x), !dbg !65
// CHECK:STDOUT: store double %H.call.loc29, ptr %.loc29_6.3.temp, align 8, !dbg !65
// CHECK:STDOUT: %H.call.loc30 = call %type @_CH.Main.582d60b54baf6b63(%type zeroinitializer), !dbg !74
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc31_8.3.temp), !dbg !66
// CHECK:STDOUT: %G.call = call double @_CG.Main.7220df690d061955(double %x), !dbg !66
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc31_9.3.temp), !dbg !67
// CHECK:STDOUT: store double %G.call, ptr %.loc31_8.3.temp, align 8, !dbg !66
// CHECK:STDOUT: %.loc31_8.5 = load double, ptr %.loc31_8.3.temp, align 8, !dbg !66
// CHECK:STDOUT: %H.call.loc31 = call double @_CH.Main.de5b400758c39a65(double %.loc31_8.5), !dbg !67
// CHECK:STDOUT: store double %H.call.loc31, ptr %.loc31_9.3.temp, align 8, !dbg !67
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %var_f64.var), !dbg !68
// CHECK:STDOUT: %.loc35_5 = load double, ptr %var_f64.var, align 8, !dbg !75
// CHECK:STDOUT: %H.call.loc35 = call double @_CH.Main.de5b400758c39a65(double %.loc35_5), !dbg !76
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %ptr_i32.var), !dbg !69
// CHECK:STDOUT: %.loc37_5 = load ptr, ptr %ptr_i32.var, align 8, !dbg !77
// CHECK:STDOUT: %H.call.loc37 = call ptr @_CH.Main.779b9c0f3b54a7f8(ptr %.loc37_5), !dbg !78
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %ptr_f64.var), !dbg !70
// CHECK:STDOUT: %.loc39_5 = load ptr, ptr %ptr_f64.var, align 8, !dbg !79
// CHECK:STDOUT: %H.call.loc39 = call ptr @_CH.Main.779b9c0f3b54a7f8(ptr %.loc39_5), !dbg !80
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %ptr_i8.var), !dbg !71
// CHECK:STDOUT: %.loc41_5 = load ptr, ptr %ptr_i8.var, align 8, !dbg !81
// CHECK:STDOUT: %H.call.loc41 = call ptr @_CH.Main.779b9c0f3b54a7f8(ptr %.loc41_5), !dbg !82
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %c.var), !dbg !72
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc43_6.3.temp), !dbg !73
// CHECK:STDOUT: call void @_CH.Main.706e9f413f1bae3d(ptr %.loc43_6.3.temp, ptr %c.var), !dbg !73
// CHECK:STDOUT: ret double %x, !dbg !83
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr i32 @_CH.Main.64ccbb8e5d9a0b8e(i32 %x) #0 !dbg !84 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret i32 %x, !dbg !87
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr %type @_CH.Main.582d60b54baf6b63(%type %x) #0 !dbg !88 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret %type %x, !dbg !91
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr double @_CH.Main.de5b400758c39a65(double %x) #0 !dbg !92 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret double %x, !dbg !95
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr ptr @_CH.Main.779b9c0f3b54a7f8(ptr %x) #0 !dbg !96 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: ret ptr %x, !dbg !99
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; Function Attrs: nounwind
// CHECK:STDOUT: define linkonce_odr void @_CH.Main.706e9f413f1bae3d(ptr sret({}) %return, ptr %x) #0 !dbg !100 {
// CHECK:STDOUT: entry:
// CHECK:STDOUT: call void @"_COp.C.Main:Copy.Core"(ptr %return, ptr %x), !dbg !103
// CHECK:STDOUT: ret void, !dbg !104
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: ; uselistorder directives
// CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 18 }
// CHECK:STDOUT: uselistorder ptr @_CH.Main.64ccbb8e5d9a0b8e, { 1, 0 }
// CHECK:STDOUT: uselistorder ptr @_CH.Main.582d60b54baf6b63, { 1, 0 }
// CHECK:STDOUT: uselistorder ptr @_CH.Main.de5b400758c39a65, { 3, 2, 1, 0 }
// CHECK:STDOUT: uselistorder ptr @_CH.Main.779b9c0f3b54a7f8, { 5, 2, 0, 4, 3, 1 }
// CHECK:STDOUT: uselistorder ptr @_CH.Main.706e9f413f1bae3d, { 1, 0 }
// CHECK:STDOUT:
// CHECK:STDOUT: attributes #0 = { nounwind }
// CHECK:STDOUT: attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
// CHECK:STDOUT: attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
// CHECK:STDOUT:
// CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
// CHECK:STDOUT: !llvm.dbg.cu = !{!2}
// CHECK:STDOUT:
// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !3 = !DIFile(filename: "call_basic.carbon", directory: "")
// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Op", linkageName: "_COp.C.Main:Copy.Core", scope: null, file: !3, line: 15, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !8)
// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
// CHECK:STDOUT: !6 = !{!7, !7}
// CHECK:STDOUT: !7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 8)
// CHECK:STDOUT: !8 = !{!9}
// CHECK:STDOUT: !9 = !DILocalVariable(arg: 1, scope: !4, type: !7)
// CHECK:STDOUT: !10 = !DILocation(line: 15, column: 35, scope: !4)
// CHECK:STDOUT: !11 = distinct !DISubprogram(name: "M", linkageName: "_CM.Main", scope: null, file: !3, line: 48, type: !12, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !12 = !DISubroutineType(types: !13)
// CHECK:STDOUT: !13 = !{null}
// CHECK:STDOUT: !14 = !DILocation(line: 49, column: 3, scope: !11)
// CHECK:STDOUT: !15 = !DILocation(line: 50, column: 3, scope: !11)
// CHECK:STDOUT: !16 = !DILocation(line: 52, column: 5, scope: !11)
// CHECK:STDOUT: !17 = !DILocation(line: 52, column: 3, scope: !11)
// CHECK:STDOUT: !18 = !DILocation(line: 53, column: 18, scope: !11)
// CHECK:STDOUT: !19 = !DILocation(line: 53, column: 16, scope: !11)
// CHECK:STDOUT: !20 = !DILocation(line: 54, column: 5, scope: !11)
// CHECK:STDOUT: !21 = !DILocation(line: 54, column: 3, scope: !11)
// CHECK:STDOUT: !22 = !DILocation(line: 55, column: 18, scope: !11)
// CHECK:STDOUT: !23 = !DILocation(line: 55, column: 16, scope: !11)
// CHECK:STDOUT: !24 = !DILocation(line: 48, column: 1, scope: !11)
// CHECK:STDOUT: !25 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.b88d1103f417c6d4", scope: null, file: !3, line: 19, type: !26, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !29)
// CHECK:STDOUT: !26 = !DISubroutineType(types: !27)
// CHECK:STDOUT: !27 = !{null, !28}
// CHECK:STDOUT: !28 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
// CHECK:STDOUT: !29 = !{!30}
// CHECK:STDOUT: !30 = !DILocalVariable(arg: 1, scope: !25, type: !28)
// CHECK:STDOUT: !31 = !DILocation(line: 19, column: 1, scope: !25)
// CHECK:STDOUT: !32 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.329e9a7481f16207", scope: null, file: !3, line: 28, type: !33, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !35)
// CHECK:STDOUT: !33 = !DISubroutineType(types: !34)
// CHECK:STDOUT: !34 = !{!28, !28}
// CHECK:STDOUT: !35 = !{!36}
// CHECK:STDOUT: !36 = !DILocalVariable(arg: 1, scope: !32, type: !28)
// CHECK:STDOUT: !37 = !DILocation(line: 29, column: 3, scope: !32)
// CHECK:STDOUT: !38 = !DILocation(line: 31, column: 5, scope: !32)
// CHECK:STDOUT: !39 = !DILocation(line: 31, column: 3, scope: !32)
// CHECK:STDOUT: !40 = !DILocation(line: 34, column: 3, scope: !32)
// CHECK:STDOUT: !41 = !DILocation(line: 36, column: 3, scope: !32)
// CHECK:STDOUT: !42 = !DILocation(line: 38, column: 3, scope: !32)
// CHECK:STDOUT: !43 = !DILocation(line: 40, column: 3, scope: !32)
// CHECK:STDOUT: !44 = !DILocation(line: 42, column: 3, scope: !32)
// CHECK:STDOUT: !45 = !DILocation(line: 43, column: 3, scope: !32)
// CHECK:STDOUT: !46 = !DILocation(line: 30, column: 3, scope: !32)
// CHECK:STDOUT: !47 = !DILocation(line: 35, column: 5, scope: !32)
// CHECK:STDOUT: !48 = !DILocation(line: 35, column: 3, scope: !32)
// CHECK:STDOUT: !49 = !DILocation(line: 37, column: 5, scope: !32)
// CHECK:STDOUT: !50 = !DILocation(line: 37, column: 3, scope: !32)
// CHECK:STDOUT: !51 = !DILocation(line: 39, column: 5, scope: !32)
// CHECK:STDOUT: !52 = !DILocation(line: 39, column: 3, scope: !32)
// CHECK:STDOUT: !53 = !DILocation(line: 41, column: 5, scope: !32)
// CHECK:STDOUT: !54 = !DILocation(line: 41, column: 3, scope: !32)
// CHECK:STDOUT: !55 = !DILocation(line: 45, column: 3, scope: !32)
// CHECK:STDOUT: !56 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.d4b5665541d5d7a8", scope: null, file: !3, line: 19, type: !57, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !59)
// CHECK:STDOUT: !57 = !DISubroutineType(types: !58)
// CHECK:STDOUT: !58 = !{null, !7}
// CHECK:STDOUT: !59 = !{!60}
// CHECK:STDOUT: !60 = !DILocalVariable(arg: 1, scope: !56, type: !7)
// CHECK:STDOUT: !61 = !DILocation(line: 19, column: 1, scope: !56)
// CHECK:STDOUT: !62 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.7220df690d061955", scope: null, file: !3, line: 28, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !63)
// CHECK:STDOUT: !63 = !{!64}
// CHECK:STDOUT: !64 = !DILocalVariable(arg: 1, scope: !62, type: !7)
// CHECK:STDOUT: !65 = !DILocation(line: 29, column: 3, scope: !62)
// CHECK:STDOUT: !66 = !DILocation(line: 31, column: 5, scope: !62)
// CHECK:STDOUT: !67 = !DILocation(line: 31, column: 3, scope: !62)
// CHECK:STDOUT: !68 = !DILocation(line: 34, column: 3, scope: !62)
// CHECK:STDOUT: !69 = !DILocation(line: 36, column: 3, scope: !62)
// CHECK:STDOUT: !70 = !DILocation(line: 38, column: 3, scope: !62)
// CHECK:STDOUT: !71 = !DILocation(line: 40, column: 3, scope: !62)
// CHECK:STDOUT: !72 = !DILocation(line: 42, column: 3, scope: !62)
// CHECK:STDOUT: !73 = !DILocation(line: 43, column: 3, scope: !62)
// CHECK:STDOUT: !74 = !DILocation(line: 30, column: 3, scope: !62)
// CHECK:STDOUT: !75 = !DILocation(line: 35, column: 5, scope: !62)
// CHECK:STDOUT: !76 = !DILocation(line: 35, column: 3, scope: !62)
// CHECK:STDOUT: !77 = !DILocation(line: 37, column: 5, scope: !62)
// CHECK:STDOUT: !78 = !DILocation(line: 37, column: 3, scope: !62)
// CHECK:STDOUT: !79 = !DILocation(line: 39, column: 5, scope: !62)
// CHECK:STDOUT: !80 = !DILocation(line: 39, column: 3, scope: !62)
// CHECK:STDOUT: !81 = !DILocation(line: 41, column: 5, scope: !62)
// CHECK:STDOUT: !82 = !DILocation(line: 41, column: 3, scope: !62)
// CHECK:STDOUT: !83 = !DILocation(line: 45, column: 3, scope: !62)
// CHECK:STDOUT: !84 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.64ccbb8e5d9a0b8e", scope: null, file: !3, line: 22, type: !33, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !85)
// CHECK:STDOUT: !85 = !{!86}
// CHECK:STDOUT: !86 = !DILocalVariable(arg: 1, scope: !84, type: !28)
// CHECK:STDOUT: !87 = !DILocation(line: 23, column: 3, scope: !84)
// CHECK:STDOUT: !88 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.582d60b54baf6b63", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !89)
// CHECK:STDOUT: !89 = !{!90}
// CHECK:STDOUT: !90 = !DILocalVariable(arg: 1, scope: !88, type: !7)
// CHECK:STDOUT: !91 = !DILocation(line: 23, column: 3, scope: !88)
// CHECK:STDOUT: !92 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.de5b400758c39a65", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !93)
// CHECK:STDOUT: !93 = !{!94}
// CHECK:STDOUT: !94 = !DILocalVariable(arg: 1, scope: !92, type: !7)
// CHECK:STDOUT: !95 = !DILocation(line: 23, column: 3, scope: !92)
// CHECK:STDOUT: !96 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.779b9c0f3b54a7f8", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !97)
// CHECK:STDOUT: !97 = !{!98}
// CHECK:STDOUT: !98 = !DILocalVariable(arg: 1, scope: !96, type: !7)
// CHECK:STDOUT: !99 = !DILocation(line: 23, column: 3, scope: !96)
// CHECK:STDOUT: !100 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.706e9f413f1bae3d", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !101)
// CHECK:STDOUT: !101 = !{!102}
// CHECK:STDOUT: !102 = !DILocalVariable(arg: 1, scope: !100, type: !7)
// CHECK:STDOUT: !103 = !DILocation(line: 23, column: 10, scope: !100)
// CHECK:STDOUT: !104 = !DILocation(line: 23, column: 3, scope: !100)
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