1; RUN: opt < %s -passes='module(coro-early),cgscc(coro-split,simplifycfg)' -S | FileCheck %s 2 3; We want to check that updating the declaration when updating the linkage name of a DISubporgram with a declaration. 4 5; Original source code: 6; public enum Foo { 7; public func bar() async { 8; await f() 9; } 10; } 11; public func f() async {} 12 13 14target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 15target triple = "x86_64-apple-macosx12.0.0" 16 17%swift.async_func_pointer = type <{ i32, i32 }> 18 19@"$s3foo3FooO3baryyYaFTu" = global %swift.async_func_pointer <{ i32 trunc (i64 sub (i64 ptrtoint (ptr @"$s3foo3FooO3baryyYaF" to i64), i64 ptrtoint (ptr @"$s3foo3FooO3baryyYaFTu" to i64)) to i32), i32 16 }>, align 8 20@"$s3foo1fyyYaFTu" = global %swift.async_func_pointer <{ i32 trunc (i64 sub (i64 ptrtoint (ptr @"$s3foo1fyyYaF" to i64), i64 ptrtoint (ptr @"$s3foo1fyyYaFTu" to i64)) to i32), i32 16 }>, align 8 21 22define swifttailcc void @"$s3foo3FooO3baryyYaF"(ptr swiftasync %0) !dbg !5 { 23entry: 24 %1 = alloca ptr, align 8 25 %2 = call token @llvm.coro.id.async(i32 16, i32 16, i32 0, ptr @"$s3foo3FooO3baryyYaFTu") 26 %3 = call ptr @llvm.coro.begin(token %2, ptr null) 27 store ptr %0, ptr %1, align 8 28 %4 = load i32, ptr getelementptr inbounds (%swift.async_func_pointer, ptr @"$s3foo1fyyYaFTu", i32 0, i32 1), align 8, !dbg !10 29 %5 = zext i32 %4 to i64, !dbg !10 30 %6 = call swiftcc ptr @swift_task_alloc(i64 %5), !dbg !10 31 %7 = load ptr, ptr %1, align 8, !dbg !10 32 %8 = getelementptr inbounds <{ ptr, ptr }>, ptr %6, i32 0, i32 0, !dbg !10 33 store ptr %7, ptr %8, align 8, !dbg !10 34 %9 = call ptr @llvm.coro.async.resume(), !dbg !10 35 %10 = getelementptr inbounds <{ ptr, ptr }>, ptr %6, i32 0, i32 1, !dbg !10 36 store ptr %9, ptr %10, align 8, !dbg !10 37 %11 = call { ptr } (i32, ptr, ptr, ...) @llvm.coro.suspend.async.sl_p0s(i32 0, ptr %9, ptr @__swift_async_resume_project_context, ptr @"$s3foo3FooO3baryyYaF.0", ptr @"$s3foo1fyyYaF", ptr %6), !dbg !10 38 %12 = extractvalue { ptr } %11, 0, !dbg !10 39 %13 = call ptr @__swift_async_resume_project_context(ptr %12), !dbg !10 40 store ptr %13, ptr %1, align 8, !dbg !10 41 call swiftcc void @swift_task_dealloc(ptr %6), !dbg !10 42 %14 = load ptr, ptr %1, align 8, !dbg !11 43 %15 = getelementptr inbounds <{ ptr, ptr }>, ptr %14, i32 0, i32 1, !dbg !11 44 %16 = load ptr, ptr %15, align 8, !dbg !11 45 %17 = load ptr, ptr %1, align 8, !dbg !11 46 %18 = call i1 (ptr, i1, ...) @llvm.coro.end.async(ptr %3, i1 false, ptr @"$s3foo3FooO3baryyYaF.0.1", ptr %16, ptr %17), !dbg !11 47 unreachable, !dbg !11 48} 49 50; Function Attrs: nounwind 51declare token @llvm.coro.id.async(i32, i32, i32, ptr) #0 52 53; Function Attrs: nounwind 54declare ptr @llvm.coro.begin(token, ptr writeonly) #0 55 56declare swifttailcc void @"$s3foo1fyyYaF"(ptr swiftasync) 57 58declare swiftcc ptr @swift_task_alloc(i64) 59 60; Function Attrs: nomerge nounwind 61declare ptr @llvm.coro.async.resume() #1 62 63define linkonce_odr hidden ptr @__swift_async_resume_project_context(ptr %0) !dbg !12 { 64entry: 65 %1 = load ptr, ptr %0, align 8, !dbg !14 66 %2 = call ptr @llvm.swift.async.context.addr(), !dbg !14 67 store ptr %1, ptr %2, align 8, !dbg !14 68 ret ptr %1, !dbg !14 69} 70 71; Function Attrs: nounwind 72declare ptr @llvm.swift.async.context.addr() #0 73 74define internal swifttailcc void @"$s3foo3FooO3baryyYaF.0"(ptr %0, ptr %1) !dbg !15 { 75entry: 76 musttail call swifttailcc void %0(ptr swiftasync %1), !dbg !16 77 ret void, !dbg !16 78} 79 80; Function Attrs: nomerge nounwind 81declare { ptr } @llvm.coro.suspend.async.sl_p0s(i32, ptr, ptr, ...) #1 82 83declare swiftcc void @swift_task_dealloc(ptr) 84 85define internal swifttailcc void @"$s3foo3FooO3baryyYaF.0.1"(ptr %0, ptr %1) !dbg !17 { 86entry: 87 musttail call swifttailcc void %0(ptr swiftasync %1), !dbg !18 88 ret void, !dbg !18 89} 90 91; Function Attrs: nounwind 92declare i1 @llvm.coro.end.async(ptr, i1, ...) #0 93 94attributes #0 = { nounwind } 95attributes #1 = { nomerge nounwind } 96 97!llvm.dbg.cu = !{!0} 98!llvm.module.flags = !{!3, !4} 99 100!0 = distinct !DICompileUnit(language: DW_LANG_Swift, file: !1, producer: "Apple Swift version 5.9-dev (LLVM 1c4b88beb62789b, Swift b00d1520f89bb7d)", isOptimized: false, runtimeVersion: 5, emissionKind: LineTablesOnly, imports: !2) 101!1 = !DIFile(filename: "foo.swift", directory: "/tmp") 102!2 = !{} 103!3 = !{i32 7, !"Dwarf Version", i32 4} 104!4 = !{i32 2, !"Debug Info Version", i32 3} 105; CHECK-DAG: ![[DECL:[0-9]+]] = !DISubprogram({{.*}}, linkageName: "$s3foo3FooO3baryyYaF" 106; CHECK-DAG: ![[DECL_Q0:[0-9]+]] = !DISubprogram({{.*}}, linkageName: "$s3foo3FooO3baryyYaFTQ0_" 107; CHECK-DAG: distinct !DISubprogram({{.*}}, linkageName: "$s3foo3FooO3baryyYaF"{{.*}}, declaration: ![[DECL]] 108; CHECK-DAG: distinct !DISubprogram({{.*}}, linkageName: "$s3foo3FooO3baryyYaFTQ0_"{{.*}}, declaration: ![[DECL_Q0]] 109!5 = distinct !DISubprogram(name: "bar", linkageName: "$s3foo3FooO3baryyYaF", scope: !6, file: !1, line: 2, type: !8, scopeLine: 2, spFlags: DISPFlagDefinition, unit: !0, declaration: !9, retainedNodes: !2) 110!6 = !DICompositeType(tag: DW_TAG_structure_type, name: "$s3foo3FooOD", scope: !7, flags: DIFlagFwdDecl, runtimeLang: DW_LANG_Swift) 111!7 = !DIModule(scope: null, name: "foo") 112!8 = !DISubroutineType(types: null) 113!9 = !DISubprogram(name: "bar", linkageName: "$s3foo3FooO3baryyYaF", scope: !6, file: !1, line: 2, type: !8, scopeLine: 2, spFlags: 0) 114!10 = !DILocation(line: 3, column: 11, scope: !5) 115!11 = !DILocation(line: 4, column: 3, scope: !5) 116!12 = distinct !DISubprogram(linkageName: "__swift_async_resume_project_context", scope: !7, file: !13, type: !8, flags: DIFlagArtificial, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) 117!13 = !DIFile(filename: "<compiler-generated>", directory: "") 118!14 = !DILocation(line: 0, scope: !12) 119!15 = distinct !DISubprogram(linkageName: "$s3foo3FooO3baryyYaF", scope: !7, file: !13, type: !8, flags: DIFlagArtificial, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !0, retainedNodes: !2) 120!16 = !DILocation(line: 0, scope: !15) 121!17 = distinct !DISubprogram(linkageName: "$s3foo3FooO3baryyYaF", scope: !7, file: !13, type: !8, flags: DIFlagArtificial, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !0, retainedNodes: !2) 122!18 = !DILocation(line: 0, scope: !17) 123