forked from OSchip/llvm-project
27 lines
880 B
LLVM
27 lines
880 B
LLVM
; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=FUNC -check-prefix=SI %s
|
|
|
|
@ptr_load = addrspace(3) global i32 addrspace(2)* undef, align 8
|
|
|
|
; Make sure when the load from %ptr2 is folded the chain isn't lost,
|
|
; resulting in losing the store to gptr
|
|
|
|
; FUNC-LABEL: {{^}}missing_store_reduced:
|
|
; 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)*, i32 addrspace(2)* addrspace(3)* @ptr_load, align 8
|
|
%ptr2 = getelementptr inbounds i32, i32 addrspace(2)* %ptr0, i64 2
|
|
|
|
store i32 99, i32 addrspace(1)* %gptr, align 4
|
|
%tmp2 = load i32, i32 addrspace(2)* %ptr2, align 4
|
|
|
|
store i32 %tmp2, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { nounwind }
|
|
|