1 ; RUN: opt < %s -passes='cgscc(coro-split)' -S | FileCheck %s
3 define ptr @f(i1 %n) presplitcoroutine {
5 %x = alloca i64, addrspace(5)
6 %y = alloca i64, addrspace(5)
7 %id = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null)
8 %size = call i32 @llvm.coro.size.i32()
9 %alloc = call ptr @malloc(i32 %size)
10 %hdl = call ptr @llvm.coro.begin(token %id, ptr %alloc)
11 br i1 %n, label %flag_true, label %flag_false
20 %alias_phi = phi ptr addrspace(5) [ %x, %flag_true ], [ %y, %flag_false ]
21 %sp1 = call i8 @llvm.coro.suspend(token none, i1 false)
22 switch i8 %sp1, label %suspend [i8 0, label %resume
25 call void @print(ptr addrspace(5) %alias_phi)
29 %mem = call ptr @llvm.coro.free(token %id, ptr %hdl)
30 call void @free(ptr %mem)
34 call i1 @llvm.coro.end(ptr %hdl, i1 0)
39 ; CHECK: [[X_ADDR:%[0-9]+]] = getelementptr inbounds %f.Frame, ptr %hdl, i32 0, i32 2
40 ; CHECK: %x.reload.addr = addrspacecast ptr [[X_ADDR]] to ptr addrspace(5)
41 ; CHECK: [[Y_ADDR:%[0-9]+]] = getelementptr inbounds %f.Frame, ptr %hdl, i32 0, i32 3
42 ; CHECK: %y.reload.addr = addrspacecast ptr [[Y_ADDR]] to ptr addrspace(5)
44 declare ptr @llvm.coro.free(token, ptr)
45 declare i32 @llvm.coro.size.i32()
46 declare i8 @llvm.coro.suspend(token, i1)
47 declare void @llvm.coro.resume(ptr)
48 declare void @llvm.coro.destroy(ptr)
50 declare token @llvm.coro.id(i32, ptr, ptr, ptr)
51 declare i1 @llvm.coro.alloc(token)
52 declare ptr @llvm.coro.begin(token, ptr)
53 declare i1 @llvm.coro.end(ptr, i1)
55 declare void @print(ptr)
56 declare noalias ptr @malloc(i32)
57 declare void @free(ptr)