1 ; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s 2 3 ; TODO: Add RUN and CHECK lines for SI once this test works there 4 5 @local_memory_two_objects.local_mem0 = internal addrspace(3) unnamed_addr global [4 x i32] zeroinitializer, align 4 6 @local_memory_two_objects.local_mem1 = internal addrspace(3) unnamed_addr global [4 x i32] zeroinitializer, align 4 7 8 ; CHECK: @local_memory_two_objects 9 10 ; Check that the LDS size emitted correctly 11 ; CHECK: .long 166120 12 ; CHECK-NEXT: .long 8 13 14 ; Make sure the lds writes are using different addresses. 15 ; CHECK: LDS_WRITE {{[*]*}} {{PV|T}}[[ADDRW:[0-9]*\.[XYZW]]] 16 ; CHECK-NOT: LDS_WRITE {{[*]*}} T[[ADDRW]] 17 18 ; GROUP_BARRIER must be the last instruction in a clause 19 ; CHECK: GROUP_BARRIER 20 ; CHECK-NEXT: ALU clause 21 22 ; Make sure the lds reads are using different addresses. 23 ; CHECK: LDS_READ_RET {{[*]*}} OQAP, {{PV|T}}[[ADDRR:[0-9]*\.[XYZW]]] 24 ; CHECK-NOT: LDS_READ_RET {{[*]*}} OQAP, T[[ADDRR]] 25 26 define void @local_memory_two_objects(i32 addrspace(1)* %out) { 27 entry: 28 %x.i = call i32 @llvm.r600.read.tidig.x() #0 29 %arrayidx = getelementptr inbounds [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem0, i32 0, i32 %x.i 30 store i32 %x.i, i32 addrspace(3)* %arrayidx, align 4 31 %mul = shl nsw i32 %x.i, 1 32 %arrayidx1 = getelementptr inbounds [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem1, i32 0, i32 %x.i 33 store i32 %mul, i32 addrspace(3)* %arrayidx1, align 4 34 %sub = sub nsw i32 3, %x.i 35 call void @llvm.AMDGPU.barrier.local() 36 %arrayidx2 = getelementptr inbounds [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem0, i32 0, i32 %sub 37 %0 = load i32 addrspace(3)* %arrayidx2, align 4 38 %arrayidx3 = getelementptr inbounds i32 addrspace(1)* %out, i32 %x.i 39 store i32 %0, i32 addrspace(1)* %arrayidx3, align 4 40 %arrayidx4 = getelementptr inbounds [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem1, i32 0, i32 %sub 41 %1 = load i32 addrspace(3)* %arrayidx4, align 4 42 %add = add nsw i32 %x.i, 4 43 %arrayidx5 = getelementptr inbounds i32 addrspace(1)* %out, i32 %add 44 store i32 %1, i32 addrspace(1)* %arrayidx5, align 4 45 ret void 46 } 47 48 declare i32 @llvm.r600.read.tidig.x() #0 49 declare void @llvm.AMDGPU.barrier.local() 50 51 attributes #0 = { readnone } 52
