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annotate test/CodeGen/ARM/taildup-branch-weight.ll @ 83:60c9769439b8

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LLVM 3.7
author Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
date Wed, 18 Feb 2015 14:55:36 +0900
parents 54457678186b
children 7d135dc70f03
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc -mtriple=arm-eabi -print-machineinstrs=tailduplication -tail-dup-size=100 \
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2 ; RUN: -enable-tail-merge=false -disable-cgp %s -o /dev/null 2>&1 \
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3 ; RUN: | FileCheck %s
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4
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5 ; CHECK: Machine code for function test0:
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6 ; CHECK: Successors according to CFG: BB#1(4) BB#2(124)
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7
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8 define void @test0(i32 %a, i32 %b, i32* %c, i32* %d) {
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9 entry:
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10 store i32 3, i32* %d
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11 br label %B1
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12
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13 B2:
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14 store i32 2, i32* %c
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15 br label %B4
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16
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17 B3:
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18 store i32 2, i32* %c
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19 br label %B4
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20
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21 B1:
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22 store i32 1, i32* %d
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23 %test0 = icmp slt i32 %a, %b
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24 br i1 %test0, label %B2, label %B3, !prof !0
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25
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26 B4:
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27 ret void
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28 }
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Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
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30 !0 = !{!"branch_weights", i32 4, i32 124}
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31
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32 ; CHECK: Machine code for function test1:
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33 ; CHECK: Successors according to CFG: BB#1(8) BB#2(248)
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34
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35 @g0 = common global i32 0, align 4
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36
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37 define void @test1(i32 %a, i32 %b, i32* %c, i32* %d, i32* %e) {
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38
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39 %test0 = icmp slt i32 %a, %b
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40 br i1 %test0, label %B1, label %B2, !prof !1
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41
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42 B1:
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43 br label %B3
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44
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45 B2:
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46 store i32 2, i32* %c
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47 br label %B3
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48
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49 B3:
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50 store i32 3, i32* %e
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51 ret void
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52 }
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53
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54 !1 = !{!"branch_weights", i32 248, i32 8}