2014-09-11 07:26:19 +08:00
|
|
|
; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=FUNC -check-prefix=SI %s
|
|
|
|
|
|
|
|
|
|
@ptr_load = addrspace(3) global i32 addrspace(2)* null, align 8
|
|
|
|
|
|
|
|
|
|
; Make sure when the load from %ptr2 is folded the chain isn't lost,
|
|
|
|
|
; resulting in losing the store to gptr
|
|
|
|
|
|
2014-10-02 01:15:17 +08:00
|
|
|
; FUNC-LABEL: {{^}}missing_store_reduced:
|
2014-09-11 07:26:19 +08:00
|
|
|
; SI: DS_READ_B64
|
|
|
|
|
; SI: BUFFER_STORE_DWORD
|
|
|
|
|
; SI: BUFFER_LOAD_DWORD
|
|
|
|
|
; SI: BUFFER_STORE_DWORD
|
|
|
|
|
; SI: S_ENDPGM
|
|
|
|
|
define void @missing_store_reduced(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 {
|
|
|
|
|
%ptr0 = load i32 addrspace(2)* addrspace(3)* @ptr_load, align 8
|
|
|
|
|
%ptr2 = getelementptr inbounds i32 addrspace(2)* %ptr0, i64 2
|
|
|
|
|
|
|
|
|
|
store i32 99, i32 addrspace(1)* %gptr, align 4
|
|
|
|
|
%tmp2 = load i32 addrspace(2)* %ptr2, align 4
|
|
|
|
|
|
|
|
|
|
store i32 %tmp2, i32 addrspace(1)* %out, align 4
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
attributes #0 = { nounwind }
|
|
|
|
|
|
