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annotate test/CodeGen/AMDGPU/local-memory.ll @ 100:7d135dc70f03 LLVM 3.9

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LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents afa8332a0e37
children 1172e4bd9c6f
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1 ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
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2 ; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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3 ; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=CI -check-prefix=FUNC %s
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4
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5 @local_memory.local_mem = internal unnamed_addr addrspace(3) global [128 x i32] undef, align 4
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6
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8 ; Check that the LDS size emitted correctly
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9 ; EG: .long 166120
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10 ; EG-NEXT: .long 128
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11 ; SI: .long 47180
100
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12 ; SI-NEXT: .long 65668
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13 ; CI: .long 47180
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14 ; CI-NEXT: .long 32900
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16 ; FUNC-LABEL: {{^}}local_memory:
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17
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18 ; EG: LDS_WRITE
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19 ; SI-NOT: s_wqm_b64
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20 ; SI: ds_write_b32
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21
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22 ; GROUP_BARRIER must be the last instruction in a clause
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23 ; EG: GROUP_BARRIER
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24 ; EG-NEXT: ALU clause
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25 ; SI: s_barrier
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27 ; EG: LDS_READ_RET
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28 ; SI: ds_read_b32 {{v[0-9]+}},
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29
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30 define void @local_memory(i32 addrspace(1)* %out) {
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31 entry:
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32 %y.i = call i32 @llvm.r600.read.tidig.x() #0
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33 %arrayidx = getelementptr inbounds [128 x i32], [128 x i32] addrspace(3)* @local_memory.local_mem, i32 0, i32 %y.i
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34 store i32 %y.i, i32 addrspace(3)* %arrayidx, align 4
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35 %add = add nsw i32 %y.i, 1
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36 %cmp = icmp eq i32 %add, 16
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37 %.add = select i1 %cmp, i32 0, i32 %add
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38 call void @llvm.AMDGPU.barrier.local()
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39 %arrayidx1 = getelementptr inbounds [128 x i32], [128 x i32] addrspace(3)* @local_memory.local_mem, i32 0, i32 %.add
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40 %0 = load i32, i32 addrspace(3)* %arrayidx1, align 4
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41 %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 %y.i
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42 store i32 %0, i32 addrspace(1)* %arrayidx2, align 4
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43 ret void
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44 }
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45
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46 declare i32 @llvm.r600.read.tidig.x() #0
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47 declare void @llvm.AMDGPU.barrier.local()
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48
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49 attributes #0 = { readnone }