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

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 -verify-machineinstrs -march=amdgcn -mcpu=SI < %s
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2 ; RUN: llc -verify-machineinstrs -march=amdgcn -mcpu=tonga < %s
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4 ; This works because promote allocas pass replaces these with LDS atomics.
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5
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6 ; Private atomics have no real use, but at least shouldn't crash on it.
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7 define void @atomicrmw_private(i32 addrspace(1)* %out, i32 %in) nounwind {
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8 entry:
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9 %tmp = alloca [2 x i32]
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10 %tmp1 = getelementptr [2 x i32], [2 x i32]* %tmp, i32 0, i32 0
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11 %tmp2 = getelementptr [2 x i32], [2 x i32]* %tmp, i32 0, i32 1
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12 store i32 0, i32* %tmp1
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13 store i32 1, i32* %tmp2
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14 %tmp3 = getelementptr [2 x i32], [2 x i32]* %tmp, i32 0, i32 %in
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15 %tmp4 = atomicrmw add i32* %tmp3, i32 7 acq_rel
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16 store i32 %tmp4, i32 addrspace(1)* %out
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17 ret void
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18 }
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19
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20 define void @cmpxchg_private(i32 addrspace(1)* %out, i32 %in) nounwind {
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21 entry:
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22 %tmp = alloca [2 x i32]
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23 %tmp1 = getelementptr [2 x i32], [2 x i32]* %tmp, i32 0, i32 0
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24 %tmp2 = getelementptr [2 x i32], [2 x i32]* %tmp, i32 0, i32 1
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25 store i32 0, i32* %tmp1
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26 store i32 1, i32* %tmp2
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27 %tmp3 = getelementptr [2 x i32], [2 x i32]* %tmp, i32 0, i32 %in
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28 %tmp4 = cmpxchg i32* %tmp3, i32 0, i32 1 acq_rel monotonic
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29 %val = extractvalue { i32, i1 } %tmp4, 0
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30 store i32 %val, i32 addrspace(1)* %out
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31 ret void
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32 }