annotate test/CodeGen/X86/chain_order.ll @ 77:54457678186b LLVM3.6

LLVM 3.6
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 08 Sep 2014 22:06:00 +0900
parents 95c75e76d11b
children 60c9769439b8
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1 ; RUN: llc < %s -mcpu=corei7-avx -mtriple=x86_64-linux | FileCheck %s
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2
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3 ;CHECK-LABEL: cftx020:
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4 ;CHECK: vmovsd (%rdi), %xmm{{.*}}
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5 ;CHECK: vmovsd 16(%rdi), %xmm{{.*}}
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6 ;CHECK: vmovsd 24(%rdi), %xmm{{.*}}
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7 ;CHECK: vmovhpd 8(%rdi), %xmm{{.*}}
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8 ;CHECK: vmovupd %xmm{{.*}}, (%rdi)
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9 ;CHECK: vmovupd %xmm{{.*}}, 16(%rdi)
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10 ;CHECK: ret
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11
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12 ; A test from pifft (after SLP-vectorization) that fails when we drop the chain on newly merged loads.
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13 define void @cftx020(double* nocapture %a) {
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14 entry:
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15 %0 = load double* %a, align 8
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16 %arrayidx1 = getelementptr inbounds double* %a, i64 2
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17 %1 = load double* %arrayidx1, align 8
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18 %arrayidx2 = getelementptr inbounds double* %a, i64 1
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19 %2 = load double* %arrayidx2, align 8
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20 %arrayidx3 = getelementptr inbounds double* %a, i64 3
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21 %3 = load double* %arrayidx3, align 8
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22 %4 = insertelement <2 x double> undef, double %0, i32 0
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23 %5 = insertelement <2 x double> %4, double %3, i32 1
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24 %6 = insertelement <2 x double> undef, double %1, i32 0
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25 %7 = insertelement <2 x double> %6, double %2, i32 1
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26 %8 = fadd <2 x double> %5, %7
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27 %9 = bitcast double* %a to <2 x double>*
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28 store <2 x double> %8, <2 x double>* %9, align 8
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29 %10 = insertelement <2 x double> undef, double %0, i32 0
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30 %11 = insertelement <2 x double> %10, double %2, i32 1
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31 %12 = insertelement <2 x double> undef, double %1, i32 0
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32 %13 = insertelement <2 x double> %12, double %3, i32 1
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33 %14 = fsub <2 x double> %11, %13
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34 %15 = bitcast double* %arrayidx1 to <2 x double>*
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35 store <2 x double> %14, <2 x double>* %15, align 8
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36 ret void
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37 }