xref: /llvm-project/llvm/test/Transforms/Coroutines/coro-retcon-once-private.ll (revision 51d5d7bbae92493a5bfa7cc6b519de8a5bb32fdb)
1; RUN: opt < %s -passes='default<O0>' -S | FileCheck %s
2
3target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
4target triple = "x86_64-apple-macosx10.12.0"
5
6; CHECK-NOT: define
7
8define internal {ptr, i32} @f(ptr %buffer, ptr %array) {
9entry:
10  %id = call token @llvm.coro.id.retcon.once(i32 8, i32 8, ptr %buffer, ptr @prototype, ptr @allocate, ptr @deallocate)
11  %hdl = call ptr @llvm.coro.begin(token %id, ptr null)
12  %load = load i32, ptr %array
13  %load.pos = icmp sgt i32 %load, 0
14  br i1 %load.pos, label %pos, label %neg
15
16pos:
17  %unwind0 = call i1 (...) @llvm.coro.suspend.retcon.i1(i32 %load)
18  br i1 %unwind0, label %cleanup, label %pos.cont
19
20pos.cont:
21  store i32 0, ptr %array, align 4
22  br label %cleanup
23
24neg:
25  %unwind1 = call i1 (...) @llvm.coro.suspend.retcon.i1(i32 0)
26  br i1 %unwind1, label %cleanup, label %neg.cont
27
28neg.cont:
29  store i32 10, ptr %array, align 4
30  br label %cleanup
31
32cleanup:
33  call i1 @llvm.coro.end(ptr %hdl, i1 0, token none)
34  unreachable
35}
36
37declare token @llvm.coro.id.retcon.once(i32, i32, ptr, ptr, ptr, ptr)
38declare ptr @llvm.coro.begin(token, ptr)
39declare i1 @llvm.coro.suspend.retcon.i1(...)
40declare i1 @llvm.coro.end(ptr, i1, token)
41declare ptr @llvm.coro.prepare.retcon(ptr)
42
43declare void @prototype(ptr, i1 zeroext)
44
45declare noalias ptr @allocate(i32 %size)
46declare void @deallocate(ptr %ptr)
47