1 ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=FUNC -check-prefix=SI %s 2 3 4 ; FIXME: This currently doesn't do a great job of clustering the 5 ; loads, which end up with extra moves between them. Right now, it 6 ; seems the only things areLoadsFromSameBasePtr is accomplishing is 7 ; ordering the loads so that the lower address loads come first. 8 9 ; FUNC-LABEL: {{^}}cluster_global_arg_loads: 10 ; SI-DAG: buffer_load_dword [[REG0:v[0-9]+]], off, s{{\[[0-9]+:[0-9]+\]}}, 0{{$}} 11 ; SI-DAG: buffer_load_dword [[REG1:v[0-9]+]], off, s{{\[[0-9]+:[0-9]+\]}}, 0 offset:8 12 ; SI: buffer_store_dword [[REG0]] 13 ; SI: buffer_store_dword [[REG1]] 14 define void @cluster_global_arg_loads(i32 addrspace(1)* %out0, i32 addrspace(1)* %out1, i32 addrspace(1)* %ptr) #0 { 15 %load0 = load i32, i32 addrspace(1)* %ptr, align 4 16 %gep = getelementptr i32, i32 addrspace(1)* %ptr, i32 2 17 %load1 = load i32, i32 addrspace(1)* %gep, align 4 18 store i32 %load0, i32 addrspace(1)* %out0, align 4 19 store i32 %load1, i32 addrspace(1)* %out1, align 4 20 ret void 21 } 22 23 ; Test for a crach in SIInstrInfo::areLoadsFromSameBasePtr() when checking 24 ; an MUBUF load which does not have a vaddr operand. 25 ; FUNC-LABEL: {{^}}same_base_ptr_crash: 26 ; SI: buffer_load_dword 27 ; SI: buffer_load_dword 28 define void @same_base_ptr_crash(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i32 %offset) { 29 entry: 30 %out1 = getelementptr i32, i32 addrspace(1)* %out, i32 %offset 31 %tmp0 = load i32, i32 addrspace(1)* %out 32 %tmp1 = load i32, i32 addrspace(1)* %out1 33 %tmp2 = add i32 %tmp0, %tmp1 34 store i32 %tmp2, i32 addrspace(1)* %out 35 ret void 36 } 37 38 attributes #0 = { nounwind } 39 attributes #1 = { nounwind readnone } 40
