1 ; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=CI -check-prefix=FUNC %s 2 ; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=FUNC %s 3 ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s 4 5 @local_memory_two_objects.local_mem0 = internal unnamed_addr addrspace(3) global [4 x i32] undef, align 4 6 @local_memory_two_objects.local_mem1 = internal unnamed_addr addrspace(3) global [4 x i32] undef, align 4 7 8 9 ; Check that the LDS size emitted correctly 10 ; EG: .long 166120 11 ; EG-NEXT: .long 8 12 ; GCN: .long 47180 13 ; GCN-NEXT: .long 32900 14 15 16 ; FUNC-LABEL: {{^}}local_memory_two_objects: 17 18 ; We would like to check the lds writes are using different 19 ; addresses, but due to variations in the scheduler, we can't do 20 ; this consistently on evergreen GPUs. 21 ; EG: LDS_WRITE 22 ; EG: LDS_WRITE 23 24 ; GROUP_BARRIER must be the last instruction in a clause 25 ; EG: GROUP_BARRIER 26 ; EG-NEXT: ALU clause 27 28 ; Make sure the lds reads are using different addresses, at different 29 ; constant offsets. 30 ; EG: LDS_READ_RET {{[*]*}} OQAP, {{PV|T}}[[ADDRR:[0-9]*\.[XYZW]]] 31 ; EG-NOT: LDS_READ_RET {{[*]*}} OQAP, T[[ADDRR]] 32 33 34 ; GCN: v_lshlrev_b32_e32 [[ADDRW:v[0-9]+]], 2, v0 35 ; CI-DAG: ds_write_b32 [[ADDRW]], {{v[0-9]*}} offset:16 36 ; CI-DAG: ds_write_b32 [[ADDRW]], {{v[0-9]*$}} 37 38 39 ; SI: v_add_i32_e32 [[ADDRW_OFF:v[0-9]+]], vcc, 16, [[ADDRW]] 40 41 ; SI-DAG: ds_write_b32 [[ADDRW]], 42 ; SI-DAG: ds_write_b32 [[ADDRW_OFF]], 43 44 ; GCN: s_barrier 45 46 ; SI-DAG: v_sub_i32_e32 [[SUB0:v[0-9]+]], vcc, 28, [[ADDRW]] 47 ; SI-DAG: v_sub_i32_e32 [[SUB1:v[0-9]+]], vcc, 12, [[ADDRW]] 48 49 ; SI-DAG: ds_read_b32 v{{[0-9]+}}, [[SUB0]] 50 ; SI-DAG: ds_read_b32 v{{[0-9]+}}, [[SUB1]] 51 52 ; CI: v_sub_i32_e32 [[SUB:v[0-9]+]], vcc, 0, [[ADDRW]] 53 ; CI: ds_read2_b32 {{v\[[0-9]+:[0-9]+\]}}, [[SUB]] offset0:3 offset1:7 54 55 define void @local_memory_two_objects(i32 addrspace(1)* %out) { 56 entry: 57 %x.i = call i32 @llvm.r600.read.tidig.x() #0 58 %arrayidx = getelementptr inbounds [4 x i32], [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem0, i32 0, i32 %x.i 59 store i32 %x.i, i32 addrspace(3)* %arrayidx, align 4 60 %mul = shl nsw i32 %x.i, 1 61 %arrayidx1 = getelementptr inbounds [4 x i32], [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem1, i32 0, i32 %x.i 62 store i32 %mul, i32 addrspace(3)* %arrayidx1, align 4 63 %sub = sub nsw i32 3, %x.i 64 call void @llvm.AMDGPU.barrier.local() 65 %arrayidx2 = getelementptr inbounds [4 x i32], [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem0, i32 0, i32 %sub 66 %0 = load i32, i32 addrspace(3)* %arrayidx2, align 4 67 %arrayidx3 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 %x.i 68 store i32 %0, i32 addrspace(1)* %arrayidx3, align 4 69 %arrayidx4 = getelementptr inbounds [4 x i32], [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem1, i32 0, i32 %sub 70 %1 = load i32, i32 addrspace(3)* %arrayidx4, align 4 71 %add = add nsw i32 %x.i, 4 72 %arrayidx5 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 %add 73 store i32 %1, i32 addrspace(1)* %arrayidx5, align 4 74 ret void 75 } 76 77 declare i32 @llvm.r600.read.tidig.x() #0 78 declare void @llvm.AMDGPU.barrier.local() 79 80 attributes #0 = { readnone } 81
