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|
; RUN: opt < %s -passes='module(coro-early),cgscc(coro-split,coro-split)' -S | FileCheck %s
; RUN: opt --try-experimental-debuginfo-iterators < %s -passes='module(coro-early),cgscc(coro-split,coro-split)' -S | FileCheck %s
; Checks whether the dbg.declare for `__coro_frame` are created.
; CHECK-LABEL: define void @f(
; CHECK: coro.init:
; CHECK: %[[begin:.*]] = call noalias nonnull ptr @llvm.coro.begin(
; CHECK: #dbg_declare(ptr %[[begin]], ![[CORO_FRAME:[0-9]+]], !DIExpression(),
;
; CHECK: define internal fastcc void @f.resume(
; CHECK: entry.resume:
; CHECK: %[[FramePtr_RESUME:.*]] = alloca ptr
; CHECK: #dbg_declare(ptr %[[FramePtr_RESUME]], ![[CORO_FRAME_IN_RESUME:[0-9]+]], !DIExpression(DW_OP_deref)
;
; CHECK-DAG: ![[FILE:[0-9]+]] = !DIFile(filename: "coro-debug.cpp"
; CHECK-DAG: ![[RAMP:[0-9]+]] = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov",
; CHECK-DAG: ![[RAMP_SCOPE:[0-9]+]] = distinct !DILexicalBlock(scope: ![[RAMP]], file: ![[FILE]], line: 23
; CHECK-DAG: ![[CORO_FRAME]] = !DILocalVariable(name: "__coro_frame", scope: ![[RAMP_SCOPE]], file: ![[FILE]], line: [[PROMISE_VAR_LINE:[0-9]+]], type: ![[FRAME_TYPE:[0-9]+]], flags: DIFlagArtificial)
; CHECK-DAG: ![[FRAME_TYPE]] = !DICompositeType(tag: DW_TAG_structure_type, name: "f.coro_frame_ty", {{.*}}elements: ![[ELEMENTS:[0-9]+]]
; CHECK-DAG: ![[ELEMENTS]] = !{![[RESUME_FN:[0-9]+]], ![[DESTROY_FN:[0-9]+]], ![[PROMISE:[0-9]+]], ![[VECTOR_TYPE:[0-9]+]], ![[INT64_0:[0-9]+]], ![[DOUBLE_1:[0-9]+]], ![[INT64_PTR:[0-9]+]], ![[INT32_2:[0-9]+]], ![[INT32_3:[0-9]+]], ![[UNALIGNED_UNKNOWN:[0-9]+]], ![[STRUCT:[0-9]+]], ![[CORO_INDEX:[0-9]+]], ![[SMALL_UNKNOWN:[0-9]+]]
; CHECK-DAG: ![[RESUME_FN]] = !DIDerivedType(tag: DW_TAG_member, name: "__resume_fn"{{.*}}, baseType: ![[RESUME_FN_TYPE:[0-9]+]]{{.*}}, flags: DIFlagArtificial
; CHECK-DAG: ![[RESUME_FN_TYPE]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
; CHECK-DAG: ![[DESTROY_FN]] = !DIDerivedType(tag: DW_TAG_member, name: "__destroy_fn"{{.*}}, baseType: ![[RESUME_FN_TYPE]]{{.*}}, flags: DIFlagArtificial
; CHECK-DAG: ![[PROMISE]] = !DIDerivedType(tag: DW_TAG_member, name: "__promise",{{.*}}baseType: ![[PROMISE_BASE:[0-9]+]]
; CHECK-DAG: ![[PROMISE_BASE]] = !DIDerivedType(tag: DW_TAG_typedef, name: "promise_type"
; CHECK-DAG: ![[VECTOR_TYPE]] = !DIDerivedType(tag: DW_TAG_member, name: "_0",{{.*}}baseType: ![[VECTOR_TYPE_BASE:[0-9]+]], size: 128
; CHECK-DAG: ![[VECTOR_TYPE_BASE]] = !DICompositeType(tag: DW_TAG_array_type, baseType: ![[UNKNOWN_TYPE_BASE:[0-9]+]], size: 128, align: 16, elements: ![[VECTOR_TYPE_BASE_ELEMENTS:[0-9]+]])
; CHECK-DAG: ![[UNKNOWN_TYPE_BASE]] = !DIBasicType(name: "UnknownType", size: 8, encoding: DW_ATE_unsigned_char, flags: DIFlagArtificial)
; CHECK-DAG: ![[VECTOR_TYPE_BASE_ELEMENTS]] = !{![[VECTOR_TYPE_BASE_SUBRANGE:[0-9]+]]}
; CHECK-DAG: ![[VECTOR_TYPE_BASE_SUBRANGE]] = !DISubrange(count: 16, lowerBound: 0)
; CHECK-DAG: ![[INT64_0]] = !DIDerivedType(tag: DW_TAG_member, name: "__int_64_1", scope: ![[FRAME_TYPE]], file: ![[FILE]], line: [[PROMISE_VAR_LINE]], baseType: ![[I64_BASE:[0-9]+]],{{.*}}, flags: DIFlagArtificial
; CHECK-DAG: ![[I64_BASE]] = !DIBasicType(name: "__int_64", size: 64, encoding: DW_ATE_signed, flags: DIFlagArtificial)
; CHECK-DAG: ![[DOUBLE_1]] = !DIDerivedType(tag: DW_TAG_member, name: "__double__2", scope: ![[FRAME_TYPE]], file: ![[FILE]], line: [[PROMISE_VAR_LINE]], baseType: ![[DOUBLE_BASE:[0-9]+]]{{.*}}, flags: DIFlagArtificial
; CHECK-DAG: ![[DOUBLE_BASE]] = !DIBasicType(name: "__double_", size: 64, encoding: DW_ATE_float, flags: DIFlagArtificial)
; CHECK-DAG: ![[INT32_2]] = !DIDerivedType(tag: DW_TAG_member, name: "__int_32_4", scope: ![[FRAME_TYPE]], file: ![[FILE]], line: [[PROMISE_VAR_LINE]], baseType: ![[I32_BASE:[0-9]+]]{{.*}}, flags: DIFlagArtificial
; CHECK-DAG: ![[I32_BASE]] = !DIBasicType(name: "__int_32", size: 32, encoding: DW_ATE_signed, flags: DIFlagArtificial)
; CHECK-DAG: ![[INT32_3]] = !DIDerivedType(tag: DW_TAG_member, name: "__int_32_5", scope: ![[FRAME_TYPE]], file: ![[FILE]], line: [[PROMISE_VAR_LINE]], baseType: ![[I32_BASE]]
; CHECK-DAG: ![[UNALIGNED_UNKNOWN]] = !DIDerivedType(tag: DW_TAG_member, name: "_6",{{.*}}baseType: ![[UNALIGNED_UNKNOWN_BASE:[0-9]+]], size: 9
; CHECK-DAG: ![[UNALIGNED_UNKNOWN_BASE]] = !DICompositeType(tag: DW_TAG_array_type, baseType: ![[UNKNOWN_TYPE_BASE]], size: 16,{{.*}} elements: ![[UNALIGNED_UNKNOWN_ELEMENTS:[0-9]+]])
; CHECK-DAG: ![[UNALIGNED_UNKNOWN_ELEMENTS]] = !{![[UNALIGNED_UNKNOWN_SUBRANGE:[0-9]+]]}
; CHECk-DAG: ![[UNALIGNED_UNKNOWN_SUBRANGE]] = !DISubrange(count: 2, lowerBound: 0)
; CHECK-DAG: ![[STRUCT]] = !DIDerivedType(tag: DW_TAG_member, name: "struct_big_structure_7", scope: ![[FRAME_TYPE]], file: ![[FILE]], line: [[PROMISE_VAR_LINE]], baseType: ![[STRUCT_BASE:[0-9]+]]
; CHECK-DAG: ![[STRUCT_BASE]] = !DICompositeType(tag: DW_TAG_structure_type, name: "struct_big_structure"{{.*}}, align: 64, flags: DIFlagArtificial, elements: ![[STRUCT_ELEMENTS:[0-9]+]]
; CHECK-DAG: ![[STRUCT_ELEMENTS]] = !{![[MEM_TYPE:[0-9]+]]}
; CHECK-DAG: ![[MEM_TYPE]] = !DIDerivedType(tag: DW_TAG_member,{{.*}} baseType: ![[MEM_TYPE_BASE:[0-9]+]], size: 4000
; CHECK-DAG: ![[MEM_TYPE_BASE]] = !DICompositeType(tag: DW_TAG_array_type, baseType: ![[UNKNOWN_TYPE_BASE]], size: 4000,
; CHECK-DAG: ![[CORO_INDEX]] = !DIDerivedType(tag: DW_TAG_member, name: "__coro_index"
; CHECK-DAG: ![[SMALL_UNKNOWN]] = !DIDerivedType(tag: DW_TAG_member, name: "UnknownType_8",{{.*}} baseType: ![[UNKNOWN_TYPE_BASE]], size: 5
; CHECK-DAG: ![[PROMISE_VAR:[0-9]+]] = !DILocalVariable(name: "__promise", scope: ![[RAMP_SCOPE]], file: ![[FILE]], line: [[PROMISE_VAR_LINE]]
; CHECK-DAG: ![[BAR_FUNC:[0-9]+]] = distinct !DISubprogram(name: "bar", linkageName: "_Z3barv",
; CHECK-DAG: ![[BAR_SCOPE:[0-9]+]] = distinct !DILexicalBlock(scope: ![[BAR_FUNC]], file: !1
; CHECK-DAG: ![[FRAME_TYPE_IN_BAR:[0-9]+]] = !DICompositeType(tag: DW_TAG_structure_type, name: "bar.coro_frame_ty", file: ![[FILE]], line: [[BAR_LINE:[0-9]+]]{{.*}}elements: ![[ELEMENTS_IN_BAR:[0-9]+]]
; CHECK-DAG: ![[ELEMENTS_IN_BAR]] = !{![[RESUME_FN_IN_BAR:[0-9]+]], ![[DESTROY_FN_IN_BAR:[0-9]+]], ![[PROMISE_IN_BAR:[0-9]+]], ![[VECTOR_TYPE_IN_BAR:[0-9]+]], ![[INT64_IN_BAR:[0-9]+]], ![[DOUBLE_IN_BAR:[0-9]+]], ![[INT64_PTR_IN_BAR:[0-9]+]], ![[INT32_IN_BAR:[0-9]+]], ![[STRUCT_IN_BAR:[0-9]+]], ![[CORO_INDEX_IN_BAR:[0-9]+]]
; CHECK-DAG: ![[PROMISE_IN_BAR]] = !DIDerivedType(tag: DW_TAG_member, name: "__promise",{{.*}}baseType: ![[PROMISE_BASE]]
; CHECK-DAG: ![[VECTOR_TYPE_IN_BAR]] = !DIDerivedType(tag: DW_TAG_member, name: "_0", scope: ![[FRAME_TYPE_IN_BAR]], file: ![[FILE]], line: [[BAR_LINE]], baseType: ![[VECTOR_TYPE_BASE]]
; CHECK-DAG: ![[INT64_IN_BAR]] = !DIDerivedType(tag: DW_TAG_member, name: "__int_64_1", scope: ![[FRAME_TYPE_IN_BAR]], file: ![[FILE]], line: [[BAR_LINE]], baseType: ![[I64_BASE]]
; CHECK-DAG: ![[DOUBLE_IN_BAR]] = !DIDerivedType(tag: DW_TAG_member, name: "__double__2", scope: ![[FRAME_TYPE_IN_BAR]], file: ![[FILE]], line: [[BAR_LINE]], baseType: ![[DOUBLE_BASE]]
; CHECK-DAG: ![[INT32_IN_BAR]] = !DIDerivedType(tag: DW_TAG_member, name: "__int_32_4", scope: ![[FRAME_TYPE_IN_BAR]], file: ![[FILE]], line: [[BAR_LINE]], baseType: ![[I32_BASE]]
; CHECK-DAG: ![[STRUCT_IN_BAR]] = !DIDerivedType(tag: DW_TAG_member, name: "struct_big_structure_5", scope: ![[FRAME_TYPE_IN_BAR]], file: ![[FILE]], line: [[BAR_LINE]], baseType: ![[STRUCT_BASE_IN_BAR:[0-9]+]]
; CHECK-DAG: ![[STRUCT_BASE_IN_BAR]] = !DICompositeType(tag: DW_TAG_structure_type, name: "struct_big_structure", scope: ![[FRAME_TYPE_IN_BAR]], file: ![[FILE]], line: [[BAR_LINE]],{{.*}}, align: 64
; CHECK-DAG: ![[CORO_FRAME_IN_RESUME]] = !DILocalVariable(name: "__coro_frame",{{.*}}type: ![[FRAME_TYPE]]
%promise_type = type { i32, i32, double }
%struct.big_structure = type { [500 x i8] }
declare void @produce(ptr)
declare void @consume(ptr)
declare void @produce_vector(ptr)
declare void @consume_vector(ptr)
declare void @produce_vectori5(ptr)
declare void @consume_vectori5(ptr)
declare void @produce_vectori9(ptr)
declare void @consume_vectori9(ptr)
declare void @pi32(ptr)
declare void @pi64(ptr)
declare void @pdouble(ptr)
declare void @pi64p(ptr)
define void @f(i32 %a, i32 %b, i64 %c, double %d, ptr %e) presplitcoroutine !dbg !8 {
entry:
%__promise = alloca %promise_type, align 8
%a.alloc = alloca i32, align 4
%b.alloc = alloca i32, align 4
%c.alloc = alloca i64, align 4
%d.alloc = alloca double, align 4
%e.alloc = alloca ptr, align 4
store i32 %a, ptr %a.alloc
store i32 %b, ptr %b.alloc
store i64 %c, ptr %c.alloc
store double %d, ptr %d.alloc
store ptr %e, ptr %e.alloc
%struct.data = alloca %struct.big_structure, align 1
call void @produce(ptr %struct.data)
; We treat vector type as unresolved type now for test coverage.
%unresolved_data = alloca <4 x i32>
call void @produce_vector(ptr %unresolved_data)
%unresolved_data2 = alloca <5 x i1>
call void @produce_vectori5(ptr %unresolved_data2)
%unresolved_data3 = alloca <9 x i1>
call void @produce_vectori9(ptr %unresolved_data3)
%id = call token @llvm.coro.id(i32 16, ptr %__promise, ptr null, ptr null)
%alloc = call i1 @llvm.coro.alloc(token %id)
br i1 %alloc, label %coro.alloc, label %coro.init
coro.alloc: ; preds = %entry
%size = call i64 @llvm.coro.size.i64()
%memory = call ptr @new(i64 %size)
br label %coro.init
coro.init: ; preds = %coro.alloc, %entry
%phi.entry.alloc = phi ptr [ null, %entry ], [ %memory, %coro.alloc ]
%begin = call ptr @llvm.coro.begin(token %id, ptr %phi.entry.alloc)
call void @llvm.dbg.declare(metadata ptr %__promise, metadata !6, metadata !DIExpression()), !dbg !18
%ready = call i1 @await_ready()
br i1 %ready, label %init.ready, label %init.suspend
init.suspend: ; preds = %coro.init
%save = call token @llvm.coro.save(ptr null)
call void @await_suspend()
%suspend = call i8 @llvm.coro.suspend(token %save, i1 false)
switch i8 %suspend, label %coro.ret [
i8 0, label %init.ready
i8 1, label %init.cleanup
]
init.cleanup: ; preds = %init.suspend
br label %cleanup
init.ready: ; preds = %init.suspend, %coro.init
call void @await_resume()
%ready.again = call zeroext i1 @await_ready()
br i1 %ready.again, label %await.ready, label %await.suspend
await.suspend: ; preds = %init.ready
%save.again = call token @llvm.coro.save(ptr null)
%from.address = call ptr @from_address(ptr %begin)
call void @await_suspend()
%suspend.again = call i8 @llvm.coro.suspend(token %save.again, i1 false)
switch i8 %suspend.again, label %coro.ret [
i8 0, label %await.ready
i8 1, label %await.cleanup
]
await.cleanup: ; preds = %await.suspend
br label %cleanup
await.ready: ; preds = %await.suspend, %init.ready
call void @await_resume()
store i32 1, ptr %__promise, align 8
%j.i = getelementptr inbounds %promise_type, ptr %__promise, i64 0, i32 1
store i32 2, ptr %j.i, align 4
%k.i = getelementptr inbounds %promise_type, ptr %__promise, i64 0, i32 2
store double 3.000000e+00, ptr %k.i, align 8
call void @consume(ptr %struct.data)
call void @consume_vector(ptr %unresolved_data)
call void @consume_vectori5(ptr %unresolved_data2)
call void @consume_vectori9(ptr %unresolved_data3)
call void @pi32(ptr %a.alloc)
call void @pi32(ptr %b.alloc)
call void @pi64(ptr %c.alloc)
call void @pdouble(ptr %d.alloc)
call void @pi64p(ptr %e.alloc)
call void @return_void()
br label %coro.final
coro.final: ; preds = %await.ready
call void @final_suspend()
%coro.final.await_ready = call i1 @await_ready()
br i1 %coro.final.await_ready, label %final.ready, label %final.suspend
final.suspend: ; preds = %coro.final
%final.suspend.coro.save = call token @llvm.coro.save(ptr null)
%final.suspend.from_address = call ptr @from_address(ptr %begin)
call void @await_suspend()
%final.suspend.coro.suspend = call i8 @llvm.coro.suspend(token %final.suspend.coro.save, i1 true)
switch i8 %final.suspend.coro.suspend, label %coro.ret [
i8 0, label %final.ready
i8 1, label %final.cleanup
]
final.cleanup: ; preds = %final.suspend
br label %cleanup
final.ready: ; preds = %final.suspend, %coro.final
call void @await_resume()
br label %cleanup
cleanup: ; preds = %final.ready, %final.cleanup, %await.cleanup, %init.cleanup
%cleanup.dest.slot.0 = phi i32 [ 0, %final.ready ], [ 2, %final.cleanup ], [ 2, %await.cleanup ], [ 2, %init.cleanup ]
%free.memory = call ptr @llvm.coro.free(token %id, ptr %begin)
%free = icmp ne ptr %free.memory, null
br i1 %free, label %coro.free, label %after.coro.free
coro.free: ; preds = %cleanup
call void @delete(ptr %free.memory)
br label %after.coro.free
after.coro.free: ; preds = %coro.free, %cleanup
switch i32 %cleanup.dest.slot.0, label %unreachable [
i32 0, label %cleanup.cont
i32 2, label %coro.ret
]
cleanup.cont: ; preds = %after.coro.free
br label %coro.ret
coro.ret: ; preds = %cleanup.cont, %after.coro.free, %final.suspend, %await.suspend, %init.suspend
%end = call i1 @llvm.coro.end(ptr null, i1 false, token none)
ret void
unreachable: ; preds = %after.coro.free
unreachable
}
; bar is used to check that we wouldn't create duplicate DIType
define void @bar(i32 %a, i64 %c, double %d, ptr %e) presplitcoroutine !dbg !19 {
entry:
%__promise = alloca %promise_type, align 8
%a.alloc = alloca i32, align 4
%c.alloc = alloca i64, align 4
%d.alloc = alloca double, align 4
%e.alloc = alloca ptr, align 4
store i32 %a, ptr %a.alloc
store i64 %c, ptr %c.alloc
store double %d, ptr %d.alloc
store ptr %e, ptr %e.alloc
%struct.data = alloca %struct.big_structure, align 1
call void @produce(ptr %struct.data)
; We treat vector type as unresolved type now for test coverage.
%unresolved_data = alloca <4 x i32>
call void @produce_vector(ptr %unresolved_data)
%id = call token @llvm.coro.id(i32 16, ptr %__promise, ptr null, ptr null)
%alloc = call i1 @llvm.coro.alloc(token %id)
br i1 %alloc, label %coro.alloc, label %coro.init
coro.alloc: ; preds = %entry
%size = call i64 @llvm.coro.size.i64()
%memory = call ptr @new(i64 %size)
br label %coro.init
coro.init: ; preds = %coro.alloc, %entry
%phi.entry.alloc = phi ptr [ null, %entry ], [ %memory, %coro.alloc ]
%begin = call ptr @llvm.coro.begin(token %id, ptr %phi.entry.alloc)
call void @llvm.dbg.declare(metadata ptr %__promise, metadata !21, metadata !DIExpression()), !dbg !22
%ready = call i1 @await_ready()
br i1 %ready, label %init.ready, label %init.suspend
init.suspend: ; preds = %coro.init
%save = call token @llvm.coro.save(ptr null)
call void @await_suspend()
%suspend = call i8 @llvm.coro.suspend(token %save, i1 false)
switch i8 %suspend, label %coro.ret [
i8 0, label %init.ready
i8 1, label %init.cleanup
]
init.cleanup: ; preds = %init.suspend
br label %cleanup
init.ready: ; preds = %init.suspend, %coro.init
call void @await_resume()
%ready.again = call zeroext i1 @await_ready()
br i1 %ready.again, label %await.ready, label %await.suspend
await.suspend: ; preds = %init.ready
%save.again = call token @llvm.coro.save(ptr null)
%from.address = call ptr @from_address(ptr %begin)
call void @await_suspend()
%suspend.again = call i8 @llvm.coro.suspend(token %save.again, i1 false)
switch i8 %suspend.again, label %coro.ret [
i8 0, label %await.ready
i8 1, label %await.cleanup
]
await.cleanup: ; preds = %await.suspend
br label %cleanup
await.ready: ; preds = %await.suspend, %init.ready
call void @await_resume()
store i32 1, ptr %__promise, align 8
%j.i = getelementptr inbounds %promise_type, ptr %__promise, i64 0, i32 1
store i32 2, ptr %j.i, align 4
%k.i = getelementptr inbounds %promise_type, ptr %__promise, i64 0, i32 2
store double 3.000000e+00, ptr %k.i, align 8
call void @consume(ptr %struct.data)
call void @consume_vector(ptr %unresolved_data)
call void @pi32(ptr %a.alloc)
call void @pi64(ptr %c.alloc)
call void @pdouble(ptr %d.alloc)
call void @pi64p(ptr %e.alloc)
call void @return_void()
br label %coro.final
coro.final: ; preds = %await.ready
call void @final_suspend()
%coro.final.await_ready = call i1 @await_ready()
br i1 %coro.final.await_ready, label %final.ready, label %final.suspend
final.suspend: ; preds = %coro.final
%final.suspend.coro.save = call token @llvm.coro.save(ptr null)
%final.suspend.from_address = call ptr @from_address(ptr %begin)
call void @await_suspend()
%final.suspend.coro.suspend = call i8 @llvm.coro.suspend(token %final.suspend.coro.save, i1 true)
switch i8 %final.suspend.coro.suspend, label %coro.ret [
i8 0, label %final.ready
i8 1, label %final.cleanup
]
final.cleanup: ; preds = %final.suspend
br label %cleanup
final.ready: ; preds = %final.suspend, %coro.final
call void @await_resume()
br label %cleanup
cleanup: ; preds = %final.ready, %final.cleanup, %await.cleanup, %init.cleanup
%cleanup.dest.slot.0 = phi i32 [ 0, %final.ready ], [ 2, %final.cleanup ], [ 2, %await.cleanup ], [ 2, %init.cleanup ]
%free.memory = call ptr @llvm.coro.free(token %id, ptr %begin)
%free = icmp ne ptr %free.memory, null
br i1 %free, label %coro.free, label %after.coro.free
coro.free: ; preds = %cleanup
call void @delete(ptr %free.memory)
br label %after.coro.free
after.coro.free: ; preds = %coro.free, %cleanup
switch i32 %cleanup.dest.slot.0, label %unreachable [
i32 0, label %cleanup.cont
i32 2, label %coro.ret
]
cleanup.cont: ; preds = %after.coro.free
br label %coro.ret
coro.ret: ; preds = %cleanup.cont, %after.coro.free, %final.suspend, %await.suspend, %init.suspend
%end = call i1 @llvm.coro.end(ptr null, i1 false, token none)
ret void
unreachable: ; preds = %after.coro.free
unreachable
}
declare void @llvm.dbg.declare(metadata, metadata, metadata)
declare token @llvm.coro.id(i32, ptr readnone, ptr nocapture readonly, ptr)
declare i1 @llvm.coro.alloc(token)
declare i64 @llvm.coro.size.i64()
declare token @llvm.coro.save(ptr)
declare ptr @llvm.coro.begin(token, ptr writeonly)
declare i8 @llvm.coro.suspend(token, i1)
declare ptr @llvm.coro.free(token, ptr nocapture readonly)
declare i1 @llvm.coro.end(ptr, i1, token)
declare ptr @new(i64)
declare void @delete(ptr)
declare i1 @await_ready()
declare void @await_suspend()
declare void @await_resume()
declare void @print(i32)
declare ptr @from_address(ptr)
declare void @return_void()
declare void @final_suspend()
!llvm.dbg.cu = !{!0}
!llvm.linker.options = !{}
!llvm.module.flags = !{!3, !4}
!llvm.ident = !{!5}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 11.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, splitDebugInlining: false, nameTableKind: None)
!1 = !DIFile(filename: "coro-debug.cpp", directory: ".")
!2 = !{}
!3 = !{i32 7, !"Dwarf Version", i32 4}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{!"clang version 11.0.0"}
!6 = !DILocalVariable(name: "__promise", scope: !7, file: !1, line: 24, type: !10)
!7 = distinct !DILexicalBlock(scope: !8, file: !1, line: 23, column: 12)
!8 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !8, file: !1, line: 23, type: !9, scopeLine: 23, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
!9 = !DISubroutineType(types: !2)
!10 = !DIDerivedType(tag: DW_TAG_typedef, name: "promise_type", scope: !8, file: !1, line: 15, baseType: !11)
!11 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "promise_type", scope: !8, file: !1, line: 10, size: 128, flags: DIFlagTypePassByValue | DIFlagNonTrivial, elements: !12, identifier: "_ZTSN4coro12promise_typeE")
!12 = !{!13, !14, !15}
!13 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !8, file: !1, line: 10, baseType: !16, size: 32)
!14 = !DIDerivedType(tag: DW_TAG_member, name: "j", scope: !8, file: !1, line: 10, baseType: !16, size: 32, offset: 32)
!15 = !DIDerivedType(tag: DW_TAG_member, name: "k", scope: !8, file: !1, line: 10, baseType: !17, size: 64, offset: 64)
!16 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!17 = !DIBasicType(name: "double", size: 64, encoding: DW_ATE_float)
!18 = !DILocation(line: 8, scope: !7)
!19 = distinct !DISubprogram(name: "bar", linkageName: "_Z3barv", scope: !19, file: !1, line: 54, type: !9, scopeLine: 54, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
!20 = distinct !DILexicalBlock(scope: !19, file: !1, line: 23, column: 12)
!21 = !DILocalVariable(name: "__promise", scope: !20, file: !1, line: 55, type: !10)
!22 = !DILocation(line: 10, scope: !20)
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