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annotate test/CodeGen/AMDGPU/llvm.amdgcn.s.barrier.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
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children 1172e4bd9c6f
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7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
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2
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3 ; GCN-LABEL: {{^}}test_barrier:
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4 ; GCN: buffer_store_dword
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5 ; GCN: s_waitcnt
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6 ; GCN: s_barrier
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7 define void @test_barrier(i32 addrspace(1)* %out) #0 {
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8 entry:
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9 %tmp = call i32 @llvm.r600.read.tidig.x()
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10 %tmp1 = getelementptr i32, i32 addrspace(1)* %out, i32 %tmp
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11 store i32 %tmp, i32 addrspace(1)* %tmp1
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12 call void @llvm.amdgcn.s.barrier()
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13 %tmp2 = call i32 @llvm.r600.read.local.size.x()
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14 %tmp3 = sub i32 %tmp2, 1
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15 %tmp4 = sub i32 %tmp3, %tmp
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16 %tmp5 = getelementptr i32, i32 addrspace(1)* %out, i32 %tmp4
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17 %tmp6 = load i32, i32 addrspace(1)* %tmp5
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18 store i32 %tmp6, i32 addrspace(1)* %tmp1
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19 ret void
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20 }
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21
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22 declare void @llvm.amdgcn.s.barrier() #1
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23 declare i32 @llvm.r600.read.tidig.x() #2
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24 declare i32 @llvm.r600.read.local.size.x() #2
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25
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26 attributes #0 = { nounwind }
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27 attributes #1 = { convergent nounwind }
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28 attributes #2 = { nounwind readnone }