1 ; Tests that allocas escaped through function calls will live on the frame.
2 ; RUN: opt < %s -passes='cgscc(coro-split),simplifycfg,early-cse' -S | FileCheck %s
4 define ptr @f() presplitcoroutine {
8 %id = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null)
9 %size = call i32 @llvm.coro.size.i32()
10 %alloc = call ptr @malloc(i32 %size)
11 %hdl = call ptr @llvm.coro.begin(token %id, ptr %alloc)
12 call void @capture_call(ptr %x)
13 call void @nocapture_call(ptr %y)
14 %sp1 = call i8 @llvm.coro.suspend(token none, i1 false)
15 switch i8 %sp1, label %suspend [i8 0, label %resume
21 %mem = call ptr @llvm.coro.free(token %id, ptr %hdl)
22 call void @free(ptr %mem)
26 call i1 @llvm.coro.end(ptr %hdl, i1 0, token none)
30 ; %x needs to go to the frame since it's escaped; %y will stay as local since it doesn't escape.
31 ; CHECK: %f.Frame = type { ptr, ptr, i64, i1 }
32 ; CHECK-LABEL: define ptr @f()
33 ; CHECK: %y = alloca i64, align 8
34 ; CHECK: %x.reload.addr = getelementptr inbounds %f.Frame, ptr %hdl, i32 0, i32 2
35 ; CHECK: call void @capture_call(ptr %x.reload.addr)
36 ; CHECK: call void @nocapture_call(ptr %y)
38 declare ptr @llvm.coro.free(token, ptr)
39 declare i32 @llvm.coro.size.i32()
40 declare i8 @llvm.coro.suspend(token, i1)
41 declare void @llvm.coro.resume(ptr)
42 declare void @llvm.coro.destroy(ptr)
44 declare token @llvm.coro.id(i32, ptr, ptr, ptr)
45 declare i1 @llvm.coro.alloc(token)
46 declare ptr @llvm.coro.begin(token, ptr)
47 declare i1 @llvm.coro.end(ptr, i1, token)
49 declare void @capture_call(ptr)
50 declare void @nocapture_call(ptr nocapture)
51 declare noalias ptr @malloc(i32)
52 declare void @free(ptr)