1; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=FUNC -check-prefix=SI %s
2
3@ptr_load = addrspace(3) global i32 addrspace(2)* undef, align 8
4
5; Make sure when the load from %ptr2 is folded the chain isn't lost,
6; resulting in losing the store to gptr
7
8; FUNC-LABEL: {{^}}missing_store_reduced:
9; SI: ds_read_b64
10; SI: buffer_store_dword
11; SI: buffer_load_dword
12; SI: buffer_store_dword
13; SI: s_endpgm
14define void @missing_store_reduced(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 {
15  %ptr0 = load i32 addrspace(2)*, i32 addrspace(2)* addrspace(3)* @ptr_load, align 8
16  %ptr2 = getelementptr inbounds i32, i32 addrspace(2)* %ptr0, i64 2
17
18  store i32 99, i32 addrspace(1)* %gptr, align 4
19  %tmp2 = load i32, i32 addrspace(2)* %ptr2, align 4
20
21  store i32 %tmp2, i32 addrspace(1)* %out, align 4
22  ret void
23}
24
25attributes #0 = { nounwind }
26
27