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