xref: /llvm-project/llvm/test/Transforms/Coroutines/coro-cleanup-lowering.ll (revision 304838e828f9a0de5594cc203c519cb45867b047)
1; Make sure that all library helper coro intrinsics are lowered.
2; RUN: opt < %s -passes=coro-cleanup -S | FileCheck %s
3
4; CHECK-LABEL: @uses_library_support_coro_intrinsics(
5; CHECK-NOT:     @llvm.coro
6; CHECK:         ret void
7
8define void @uses_library_support_coro_intrinsics(ptr %hdl) {
9entry:
10  %0 = call ptr @llvm.coro.subfn.addr(ptr %hdl, i8 0)
11  call fastcc void %0(ptr %hdl)
12  %1 = call ptr @llvm.coro.subfn.addr(ptr %hdl, i8 1)
13  call fastcc void %1(ptr %hdl)
14  %2 = load ptr, ptr %hdl
15  %3 = icmp eq ptr %2, null
16  ret void
17}
18declare void @llvm.coro.resume(ptr)
19declare void @llvm.coro.destroy(ptr)
20; Function Attrs: argmemonly nounwind
21declare i1 @llvm.coro.done(ptr nocapture readonly) #0
22; Function Attrs: argmemonly nounwind readonly
23declare ptr @llvm.coro.subfn.addr(ptr nocapture readonly, i8) #1
24
25attributes #0 = { argmemonly nounwind }
26attributes #1 = { argmemonly nounwind readonly }
27