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 14 define 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 25 attributes #0 = { nounwind } 26 27
