1 ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s 2 ; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s 3 ; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=CI -check-prefix=FUNC %s 4 5 @local_memory.local_mem = internal unnamed_addr addrspace(3) global [128 x i32] undef, align 4 6 7 8 ; Check that the LDS size emitted correctly 9 ; EG: .long 166120 10 ; EG-NEXT: .long 128 11 ; SI: .long 47180 12 ; SI-NEXT: .long 65668 13 ; CI: .long 47180 14 ; CI-NEXT: .long 32900 15 16 ; FUNC-LABEL: {{^}}local_memory: 17 18 ; EG: LDS_WRITE 19 ; SI-NOT: s_wqm_b64 20 ; SI: ds_write_b32 21 22 ; GROUP_BARRIER must be the last instruction in a clause 23 ; EG: GROUP_BARRIER 24 ; EG-NEXT: ALU clause 25 ; SI: s_barrier 26 27 ; EG: LDS_READ_RET 28 ; SI: ds_read_b32 {{v[0-9]+}}, 29 30 define void @local_memory(i32 addrspace(1)* %out) { 31 entry: 32 %y.i = call i32 @llvm.r600.read.tidig.x() #0 33 %arrayidx = getelementptr inbounds [128 x i32], [128 x i32] addrspace(3)* @local_memory.local_mem, i32 0, i32 %y.i 34 store i32 %y.i, i32 addrspace(3)* %arrayidx, align 4 35 %add = add nsw i32 %y.i, 1 36 %cmp = icmp eq i32 %add, 16 37 %.add = select i1 %cmp, i32 0, i32 %add 38 call void @llvm.AMDGPU.barrier.local() 39 %arrayidx1 = getelementptr inbounds [128 x i32], [128 x i32] addrspace(3)* @local_memory.local_mem, i32 0, i32 %.add 40 %0 = load i32, i32 addrspace(3)* %arrayidx1, align 4 41 %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 %y.i 42 store i32 %0, i32 addrspace(1)* %arrayidx2, align 4 43 ret void 44 } 45 46 declare i32 @llvm.r600.read.tidig.x() #0 47 declare void @llvm.AMDGPU.barrier.local() 48 49 attributes #0 = { readnone } 50
