1 ; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=FUNC -check-prefix=SI %s 2 3 4 declare i32 @llvm.r600.read.tidig.x() #1 5 6 ; FIXME: This currently doesn't do a great job of clustering the 7 ; loads, which end up with extra moves between them. Right now, it 8 ; seems the only things areLoadsFromSameBasePtr is accomplishing is 9 ; ordering the loads so that the lower address loads come first. 10 11 ; FUNC-LABEL: {{^}}cluster_global_arg_loads: 12 ; SI-DAG: buffer_load_dword [[REG0:v[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0{{$}} 13 ; SI-DAG: buffer_load_dword [[REG1:v[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0 offset:4 14 ; SI: buffer_store_dword [[REG0]] 15 ; SI: buffer_store_dword [[REG1]] 16 define void @cluster_global_arg_loads(i32 addrspace(1)* %out0, i32 addrspace(1)* %out1, i32 addrspace(1)* %ptr) #0 { 17 %load0 = load i32, i32 addrspace(1)* %ptr, align 4 18 %gep = getelementptr i32, i32 addrspace(1)* %ptr, i32 1 19 %load1 = load i32, i32 addrspace(1)* %gep, align 4 20 store i32 %load0, i32 addrspace(1)* %out0, align 4 21 store i32 %load1, i32 addrspace(1)* %out1, align 4 22 ret void 23 } 24 25 ; Test for a crach in SIInstrInfo::areLoadsFromSameBasePtr() when checking 26 ; an MUBUF load which does not have a vaddr operand. 27 ; FUNC-LABEL: {{^}}same_base_ptr_crash: 28 ; SI: buffer_load_dword 29 ; SI: buffer_load_dword 30 define void @same_base_ptr_crash(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i32 %offset) { 31 entry: 32 %out1 = getelementptr i32, i32 addrspace(1)* %out, i32 %offset 33 %tmp0 = load i32, i32 addrspace(1)* %out 34 %tmp1 = load i32, i32 addrspace(1)* %out1 35 %tmp2 = add i32 %tmp0, %tmp1 36 store i32 %tmp2, i32 addrspace(1)* %out 37 ret void 38 } 39 40 attributes #0 = { nounwind } 41 attributes #1 = { nounwind readnone } 42
