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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
4
5@local_memory.local_mem = internal unnamed_addr addrspace(3) global [128 x i32] zeroinitializer, align 4
6
7; EG-CHECK-LABEL: @local_memory
8; SI-CHECK-LABEL: @local_memory
9; CI-CHECK-LABEL: @local_memory
10
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
18
19; EG-CHECK: LDS_WRITE
20; SI-CHECK-NOT: S_WQM_B64
21; SI-CHECK: DS_WRITE_B32
22
23; GROUP_BARRIER must be the last instruction in a clause
24; EG-CHECK: GROUP_BARRIER
25; EG-CHECK-NEXT: ALU clause
26; SI-CHECK: S_BARRIER
27
28; EG-CHECK: LDS_READ_RET
29; SI-CHECK: DS_READ_B32 {{v[0-9]+}},
30
31define void @local_memory(i32 addrspace(1)* %out) {
32entry:
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
44  ret void
45}
46
47declare i32 @llvm.r600.read.tidig.x() #0
48declare void @llvm.AMDGPU.barrier.local()
49
50attributes #0 = { readnone }
51