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annotate test/CodeGen/X86/widen_arith-3.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
parents 95c75e76d11b
children 803732b1fca8
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1 ; RUN: llc < %s -mcpu=generic -march=x86 -mattr=+sse4.2 -post-RA-scheduler=true | FileCheck %s
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2 ; CHECK: paddd
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4 ; Widen a v3i16 to v8i16 to do a vector add
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6 @.str = internal constant [4 x i8] c"%d \00" ; <[4 x i8]*> [#uses=1]
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7 @.str1 = internal constant [2 x i8] c"\0A\00" ; <[2 x i8]*> [#uses=1]
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9 define void @update(<3 x i16>* %dst, <3 x i16>* %src, i32 %n) nounwind {
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10 entry:
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11 %dst.addr = alloca <3 x i16>* ; <<3 x i16>**> [#uses=2]
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12 %src.addr = alloca <3 x i16>* ; <<3 x i16>**> [#uses=2]
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13 %n.addr = alloca i32 ; <i32*> [#uses=2]
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14 %v = alloca <3 x i16>, align 8 ; <<3 x i16>*> [#uses=1]
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15 %i = alloca i32, align 4 ; <i32*> [#uses=6]
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16 store <3 x i16>* %dst, <3 x i16>** %dst.addr
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17 store <3 x i16>* %src, <3 x i16>** %src.addr
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18 store i32 %n, i32* %n.addr
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19 store <3 x i16> < i16 1, i16 1, i16 1 >, <3 x i16>* %v
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20 store i32 0, i32* %i
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21 br label %forcond
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23 forcond: ; preds = %forinc, %entry
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24 %tmp = load i32, i32* %i ; <i32> [#uses=1]
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25 %tmp1 = load i32, i32* %n.addr ; <i32> [#uses=1]
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26 %cmp = icmp slt i32 %tmp, %tmp1 ; <i1> [#uses=1]
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27 br i1 %cmp, label %forbody, label %afterfor
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29 forbody: ; preds = %forcond
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30 %tmp2 = load i32, i32* %i ; <i32> [#uses=1]
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31 %tmp3 = load <3 x i16>*, <3 x i16>** %dst.addr ; <<3 x i16>*> [#uses=1]
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32 %arrayidx = getelementptr <3 x i16>, <3 x i16>* %tmp3, i32 %tmp2 ; <<3 x i16>*> [#uses=1]
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33 %tmp4 = load i32, i32* %i ; <i32> [#uses=1]
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34 %tmp5 = load <3 x i16>*, <3 x i16>** %src.addr ; <<3 x i16>*> [#uses=1]
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35 %arrayidx6 = getelementptr <3 x i16>, <3 x i16>* %tmp5, i32 %tmp4 ; <<3 x i16>*> [#uses=1]
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36 %tmp7 = load <3 x i16>, <3 x i16>* %arrayidx6 ; <<3 x i16>> [#uses=1]
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37 %add = add <3 x i16> %tmp7, < i16 1, i16 1, i16 1 > ; <<3 x i16>> [#uses=1]
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38 store <3 x i16> %add, <3 x i16>* %arrayidx
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39 br label %forinc
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41 forinc: ; preds = %forbody
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42 %tmp8 = load i32, i32* %i ; <i32> [#uses=1]
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43 %inc = add i32 %tmp8, 1 ; <i32> [#uses=1]
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44 store i32 %inc, i32* %i
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45 br label %forcond
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46
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47 afterfor: ; preds = %forcond
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48 ret void
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49 }
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