1; RUN: llc -mtriple=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=FUNC -check-prefix=SI %s 2 3@ptr_load = addrspace(3) global ptr addrspace(4) 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: s_load_dwordx4 10; SI-DAG: ds_read_b64 11; SI-DAG: v_readfirstlane_b32 s[[PTR_LO:[0-9]+]], v{{[0-9]+}} 12; SI-DAG: v_readfirstlane_b32 s[[PTR_HI:[0-9]+]], v{{[0-9]+}} 13; SI-DAG: s_load_dword s{{[0-9]+}}, s[[[PTR_LO]]:[[PTR_HI]]] 14; SI-DAG: buffer_store_dword 15; SI-DAG: buffer_store_dword 16; SI: s_endpgm 17define amdgpu_kernel void @missing_store_reduced(ptr addrspace(1) %out, ptr addrspace(1) %gptr) #0 { 18 %ptr0 = load ptr addrspace(4), ptr addrspace(3) @ptr_load, align 8 19 %ptr2 = getelementptr inbounds i32, ptr addrspace(4) %ptr0, i64 2 20 21 store i32 99, ptr addrspace(1) %gptr, align 4 22 %tmp2 = load i32, ptr addrspace(4) %ptr2, align 4 23 24 store i32 %tmp2, ptr addrspace(1) %out, align 4 25 ret void 26} 27 28attributes #0 = { nounwind } 29 30