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annotate test/CodeGen/X86/extractelement-legalization-store-ordering.ll @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
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children 803732b1fca8
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95
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc < %s -mtriple i386-apple-darwin -mcpu=yonah | FileCheck %s
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2
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3 target datalayout = "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128"
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4
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5 ; Make sure we don't break load/store ordering when turning an extractelement
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6 ; into loads, off the stack or a previous store.
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7 ; Be very explicit about the ordering/stack offsets.
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8
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9 ; CHECK-LABEL: test_extractelement_legalization_storereuse:
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10 ; CHECK: # BB#0
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11 ; CHECK-NEXT: pushl %ebx
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12 ; CHECK-NEXT: pushl %edi
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13 ; CHECK-NEXT: pushl %esi
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14 ; CHECK-NEXT: movl 16(%esp), %eax
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15 ; CHECK-NEXT: movl 24(%esp), %ecx
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16 ; CHECK-NEXT: movl 20(%esp), %edx
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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17 ; CHECK-NEXT: paddd (%edx), %xmm0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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18 ; CHECK-NEXT: movdqa %xmm0, (%edx)
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19 ; CHECK-NEXT: shll $4, %ecx
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20 ; CHECK-NEXT: movl (%ecx,%edx), %esi
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21 ; CHECK-NEXT: movl 12(%ecx,%edx), %edi
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22 ; CHECK-NEXT: movl 8(%ecx,%edx), %ebx
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23 ; CHECK-NEXT: movl 4(%ecx,%edx), %edx
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24 ; CHECK-NEXT: movl %esi, 12(%eax,%ecx)
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25 ; CHECK-NEXT: movl %edx, (%eax,%ecx)
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26 ; CHECK-NEXT: movl %ebx, 8(%eax,%ecx)
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27 ; CHECK-NEXT: movl %edi, 4(%eax,%ecx)
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28 ; CHECK-NEXT: popl %esi
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29 ; CHECK-NEXT: popl %edi
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30 ; CHECK-NEXT: popl %ebx
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31 ; CHECK-NEXT: retl
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32 define void @test_extractelement_legalization_storereuse(<4 x i32> %a, i32* nocapture %x, i32* nocapture readonly %y, i32 %i) #0 {
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33 entry:
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34 %0 = bitcast i32* %y to <4 x i32>*
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35 %1 = load <4 x i32>, <4 x i32>* %0, align 16
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36 %am = add <4 x i32> %a, %1
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37 store <4 x i32> %am, <4 x i32>* %0, align 16
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38 %ip0 = shl nsw i32 %i, 2
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39 %ip1 = or i32 %ip0, 1
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40 %ip2 = or i32 %ip0, 2
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41 %ip3 = or i32 %ip0, 3
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42 %vecext = extractelement <4 x i32> %am, i32 %ip0
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43 %arrayidx = getelementptr inbounds i32, i32* %x, i32 %ip3
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44 store i32 %vecext, i32* %arrayidx, align 4
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45 %vecext5 = extractelement <4 x i32> %am, i32 %ip1
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46 %arrayidx8 = getelementptr inbounds i32, i32* %x, i32 %ip0
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47 store i32 %vecext5, i32* %arrayidx8, align 4
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48 %vecext11 = extractelement <4 x i32> %am, i32 %ip2
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49 %arrayidx14 = getelementptr inbounds i32, i32* %x, i32 %ip2
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50 store i32 %vecext11, i32* %arrayidx14, align 4
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51 %vecext17 = extractelement <4 x i32> %am, i32 %ip3
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52 %arrayidx20 = getelementptr inbounds i32, i32* %x, i32 %ip1
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53 store i32 %vecext17, i32* %arrayidx20, align 4
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54 ret void
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55 }
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56
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57 attributes #0 = { nounwind }