1 ; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=EG %s 2 ; RUN: llc < %s -march=amdgcn -mcpu=verde -verify-machineinstrs | FileCheck --check-prefix=GCN --check-prefix=SI %s 3 ; RUN: llc < %s -march=amdgcn -mcpu=bonaire -verify-machineinstrs | FileCheck --check-prefix=GCN --check-prefix=CI %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 38792 14 15 ; EG: {{^}}local_memory_two_objects: 16 17 ; We would like to check the the lds writes are using different 18 ; addresses, but due to variations in the scheduler, we can't do 19 ; this consistently on evergreen GPUs. 20 ; EG: LDS_WRITE 21 ; EG: LDS_WRITE 22 ; GCN: ds_write_b32 {{v[0-9]*}}, v[[ADDRW:[0-9]*]] 23 ; GCN-NOT: ds_write_b32 {{v[0-9]*}}, v[[ADDRW]] 24 25 ; GROUP_BARRIER must be the last instruction in a clause 26 ; EG: GROUP_BARRIER 27 ; EG-NEXT: ALU clause 28 29 ; Make sure the lds reads are using different addresses, at different 30 ; constant offsets. 31 ; EG: LDS_READ_RET {{[*]*}} OQAP, {{PV|T}}[[ADDRR:[0-9]*\.[XYZW]]] 32 ; EG-NOT: LDS_READ_RET {{[*]*}} OQAP, T[[ADDRR]] 33 ; SI: v_add_i32_e32 [[SIPTR:v[0-9]+]], 16, v{{[0-9]+}} 34 ; SI: ds_read_b32 {{v[0-9]+}}, [[SIPTR]] 35 ; CI: ds_read_b32 {{v[0-9]+}}, [[ADDRR:v[0-9]+]] offset:16 36 ; CI: ds_read_b32 {{v[0-9]+}}, [[ADDRR]] 37 38 define void @local_memory_two_objects(i32 addrspace(1)* %out) { 39 entry: 40 %x.i = call i32 @llvm.r600.read.tidig.x() #0 41 %arrayidx = getelementptr inbounds [4 x i32], [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem0, i32 0, i32 %x.i 42 store i32 %x.i, i32 addrspace(3)* %arrayidx, align 4 43 %mul = shl nsw i32 %x.i, 1 44 %arrayidx1 = getelementptr inbounds [4 x i32], [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem1, i32 0, i32 %x.i 45 store i32 %mul, i32 addrspace(3)* %arrayidx1, align 4 46 %sub = sub nsw i32 3, %x.i 47 call void @llvm.AMDGPU.barrier.local() 48 %arrayidx2 = getelementptr inbounds [4 x i32], [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem0, i32 0, i32 %sub 49 %0 = load i32, i32 addrspace(3)* %arrayidx2, align 4 50 %arrayidx3 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 %x.i 51 store i32 %0, i32 addrspace(1)* %arrayidx3, align 4 52 %arrayidx4 = getelementptr inbounds [4 x i32], [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem1, i32 0, i32 %sub 53 %1 = load i32, i32 addrspace(3)* %arrayidx4, align 4 54 %add = add nsw i32 %x.i, 4 55 %arrayidx5 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 %add 56 store i32 %1, i32 addrspace(1)* %arrayidx5, align 4 57 ret void 58 } 59 60 declare i32 @llvm.r600.read.tidig.x() #0 61 declare void @llvm.AMDGPU.barrier.local() 62 63 attributes #0 = { readnone } 64
