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-DAG: buffer_store_dword 11 ; SI-DAG: v_readfirstlane_b32 s[[PTR_LO:[0-9]+]], v{{[0-9]+}} 12 ; SI: v_readfirstlane_b32 s[[PTR_HI:[0-9]+]], v{{[0-9]+}} 13 ; SI: s_load_dword 14 ; SI: s_nop 2 15 ; SI: s_load_dword s{{[0-9]+}}, s{{\[}}[[PTR_LO]]:[[PTR_HI]]{{\]}} 16 ; SI: buffer_store_dword 17 ; SI: s_endpgm 18 define void @missing_store_reduced(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 { 19 %ptr0 = load i32 addrspace(2)*, i32 addrspace(2)* addrspace(3)* @ptr_load, align 8 20 %ptr2 = getelementptr inbounds i32, i32 addrspace(2)* %ptr0, i64 2 21 22 store i32 99, i32 addrspace(1)* %gptr, align 4 23 %tmp2 = load i32, i32 addrspace(2)* %ptr2, align 4 24 25 store i32 %tmp2, i32 addrspace(1)* %out, align 4 26 ret void 27 } 28 29 attributes #0 = { nounwind } 30 31
