xref: /llvm-project/llvm/test/Transforms/Coroutines/coro-retcon-unreachable.ll (revision 51d5d7bbae92493a5bfa7cc6b519de8a5bb32fdb)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes='module(coro-early),cgscc(coro-split),function(simplifycfg,early-cse)' -S | FileCheck %s
3target datalayout = "E-p:64:64"
4
5%swift.type = type { i64 }
6%swift.opaque = type opaque
7%T4red215EmptyCollectionV = type opaque
8%TSi = type <{ i64 }>
9
10define hidden swiftcc { ptr, ptr } @no_suspends(ptr %buffer, i64 %arg) #1 {
11; CHECK-LABEL: @no_suspends(
12; CHECK-NEXT:  AllocaSpillBB:
13; CHECK-NEXT:    [[ID:%.*]] = call token @llvm.coro.id.retcon.once(i32 32, i32 8, ptr [[BUFFER:%.*]], ptr @prototype, ptr @malloc, ptr @free)
14; CHECK-NEXT:    call void @print(i64 [[ARG:%.*]])
15; CHECK-NEXT:    call void @llvm.trap()
16; CHECK-NEXT:    unreachable
17;
18  %id = call token @llvm.coro.id.retcon.once(i32 32, i32 8, ptr %buffer, ptr @prototype, ptr @malloc, ptr @free)
19  %begin = call ptr @llvm.coro.begin(token %id, ptr null)
20  call void @print(i64 %arg)
21  call void @llvm.trap()
22  unreachable
23
24bb1:
25  call void @print(i64 %arg)
26  call i1 @llvm.coro.end(ptr %begin, i1 false, token none)
27  unreachable
28}
29
30declare swiftcc void @prototype(ptr noalias dereferenceable(32), i1)
31declare void @print(i64)
32
33declare noalias ptr @malloc(i64) #5
34declare void @free(ptr nocapture) #5
35
36declare token @llvm.coro.id.retcon.once(i32, i32, ptr, ptr, ptr, ptr) #5
37declare ptr @llvm.coro.begin(token, ptr writeonly) #5
38declare token @llvm.coro.alloca.alloc.i64(i64, i32) #5
39declare ptr @llvm.coro.alloca.get(token) #5
40declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #6
41declare i1 @llvm.coro.suspend.retcon.i1(...) #5
42declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #6
43declare void @llvm.coro.alloca.free(token) #5
44declare i1 @llvm.coro.end(ptr, i1, token) #5
45
46declare void @llvm.trap()
47
48attributes #1 = { noreturn nounwind }
49attributes #5 = { nounwind }
50