1 ; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=EG-CHECK %s
2 ; RUN: llc < %s -march=r600 -mcpu=verde -verify-machineinstrs | FileCheck --check-prefix=SI-CHECK %s
3 ; RUN: llc < %s -march=r600 -mcpu=bonaire -verify-machineinstrs | FileCheck --check-prefix=CI-CHECK %s
5 @local_memory.local_mem = internal unnamed_addr addrspace(3) global [128 x i32] zeroinitializer, align 4
7 ; EG-CHECK-LABEL: @local_memory
8 ; SI-CHECK-LABEL: @local_memory
9 ; CI-CHECK-LABEL: @local_memory
11 ; Check that the LDS size emitted correctly
12 ; EG-CHECK: .long 166120
13 ; EG-CHECK-NEXT: .long 128
14 ; SI-CHECK: .long 47180
15 ; SI-CHECK-NEXT: .long 65536
16 ; CI-CHECK: .long 47180
17 ; CI-CHECK-NEXT: .long 32768
20 ; SI-CHECK-NOT: S_WQM_B64
21 ; SI-CHECK: DS_WRITE_B32
23 ; GROUP_BARRIER must be the last instruction in a clause
24 ; EG-CHECK: GROUP_BARRIER
25 ; EG-CHECK-NEXT: ALU clause
28 ; EG-CHECK: LDS_READ_RET
29 ; SI-CHECK: DS_READ_B32 {{v[0-9]+}},
31 define void @local_memory(i32 addrspace(1)* %out) {
33 %y.i = call i32 @llvm.r600.read.tidig.x() #0
34 %arrayidx = getelementptr inbounds [128 x i32] addrspace(3)* @local_memory.local_mem, i32 0, i32 %y.i
35 store i32 %y.i, i32 addrspace(3)* %arrayidx, align 4
36 %add = add nsw i32 %y.i, 1
37 %cmp = icmp eq i32 %add, 16
38 %.add = select i1 %cmp, i32 0, i32 %add
39 call void @llvm.AMDGPU.barrier.local()
40 %arrayidx1 = getelementptr inbounds [128 x i32] addrspace(3)* @local_memory.local_mem, i32 0, i32 %.add
41 %0 = load i32 addrspace(3)* %arrayidx1, align 4
42 %arrayidx2 = getelementptr inbounds i32 addrspace(1)* %out, i32 %y.i
43 store i32 %0, i32 addrspace(1)* %arrayidx2, align 4
47 declare i32 @llvm.r600.read.tidig.x() #0
48 declare void @llvm.AMDGPU.barrier.local()
50 attributes #0 = { readnone }