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annotate test/CodeGen/AMDGPU/unroll.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 803732b1fca8
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: opt -mtriple=amdgcn-- -loop-unroll -simplifycfg -sroa %s -S -o - | FileCheck %s
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2 ; RUN: opt -mtriple=r600-- -loop-unroll -simplifycfg -sroa %s -S -o - | FileCheck %s
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5 ; This test contains a simple loop that initializes an array declared in
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6 ; private memory. We want to make sure these kinds of loops are always
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7 ; unrolled, because private memory is slow.
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9 ; CHECK-LABEL: @test
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10 ; CHECK-NOT: alloca
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11 ; CHECK: store i32 5, i32 addrspace(1)* %out
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12 define void @test(i32 addrspace(1)* %out) {
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13 entry:
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14 %0 = alloca [32 x i32]
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15 br label %loop.header
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16
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17 loop.header:
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18 %counter = phi i32 [0, %entry], [%inc, %loop.inc]
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19 br label %loop.body
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20
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21 loop.body:
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22 %ptr = getelementptr [32 x i32], [32 x i32]* %0, i32 0, i32 %counter
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23 store i32 %counter, i32* %ptr
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24 br label %loop.inc
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25
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26 loop.inc:
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27 %inc = add i32 %counter, 1
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28 %1 = icmp sge i32 %counter, 32
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29 br i1 %1, label %exit, label %loop.header
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30
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31 exit:
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32 %2 = getelementptr [32 x i32], [32 x i32]* %0, i32 0, i32 5
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33 %3 = load i32, i32* %2
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34 store i32 %3, i32 addrspace(1)* %out
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35 ret void
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36 }