1 ; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=EG-CHECK %s
2 ; RUN: llc < %s -march=r600 -mcpu=verde | FileCheck --check-prefix=SI-CHECK %s
4 @local_memory.local_mem = internal addrspace(3) unnamed_addr global [16 x i32] zeroinitializer, align 4
6 ; EG-CHECK: @local_memory
7 ; SI-CHECK: @local_memory
9 ; Check that the LDS size emitted correctly
10 ; EG-CHECK: .long 166120
11 ; EG-CHECK-NEXT: .long 16
12 ; SI-CHECK: .long 47180
13 ; SI-CHECK-NEXT: .long 32768
16 ; SI-CHECK: DS_WRITE_B32
18 ; GROUP_BARRIER must be the last instruction in a clause
19 ; EG-CHECK: GROUP_BARRIER
20 ; EG-CHECK-NEXT: ALU clause
23 ; EG-CHECK: LDS_READ_RET
24 ; SI-CHECK: DS_READ_B32
26 define void @local_memory(i32 addrspace(1)* %out) {
28 %y.i = call i32 @llvm.r600.read.tidig.x() #0
29 %arrayidx = getelementptr inbounds [16 x i32] addrspace(3)* @local_memory.local_mem, i32 0, i32 %y.i
30 store i32 %y.i, i32 addrspace(3)* %arrayidx, align 4
31 %add = add nsw i32 %y.i, 1
32 %cmp = icmp eq i32 %add, 16
33 %.add = select i1 %cmp, i32 0, i32 %add
34 call void @llvm.AMDGPU.barrier.local()
35 %arrayidx1 = getelementptr inbounds [16 x i32] addrspace(3)* @local_memory.local_mem, i32 0, i32 %.add
36 %0 = load i32 addrspace(3)* %arrayidx1, align 4
37 %arrayidx2 = getelementptr inbounds i32 addrspace(1)* %out, i32 %y.i
38 store i32 %0, i32 addrspace(1)* %arrayidx2, align 4
42 declare i32 @llvm.r600.read.tidig.x() #0
43 declare void @llvm.AMDGPU.barrier.local()
45 attributes #0 = { readnone }