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annotate test/CodeGen/ARM/movcc-double.ll @ 128:c347d3398279 default tip

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fix
author mir3636
date Wed, 06 Dec 2017 14:37:17 +0900
parents afa8332a0e37
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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1 ; RUN: llc -o - %s | FileCheck %s
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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2 target triple = "arm-unknown-unknown"
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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3
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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4 ; select with and i1/or i1 condition should be implemented as a series of 2
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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5 ; cmovs, not by producing two conditions and using and on them.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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6
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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7 define i32 @select_and(i32 %a0, i32 %a1, i32 %a2, i32 %a3, i32 %a4, i32 %a5) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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8 ; CHECK-LABEL: select_and
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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9 ; CHECK-NOT: tst
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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10 ; CHECK-NOT: movne
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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11 ; CHECK: mov{{lo|hs}}
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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12 ; CHECK: mov{{lo|hs}}
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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13 %cmp0 = icmp ult i32 %a0, %a1
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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14 %cmp1 = icmp ult i32 %a2, %a3
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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15 %and = and i1 %cmp0, %cmp1
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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16 %res = select i1 %and, i32 %a4, i32 %a5
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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17 ret i32 %res
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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18 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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19
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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20 define i32 @select_or(i32 %a0, i32 %a1, i32 %a2, i32 %a3, i32 %a4, i32 %a5) {
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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21 ; select with and i1 condition should be implemented as a series of 2 cmovs, not
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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22 ; by producing two conditions and using and on them.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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23 ; CHECK-LABEL: select_or
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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24 ; CHECK-NOT: orss
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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25 ; CHECK-NOT: tst
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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26 ; CHECK: mov{{lo|hs}}
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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27 ; CHECK: mov{{lo|hs}}
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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28 %cmp0 = icmp ult i32 %a0, %a1
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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29 %cmp1 = icmp ult i32 %a2, %a3
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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30 %and = or i1 %cmp0, %cmp1
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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31 %res = select i1 %and, i32 %a4, i32 %a5
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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32 ret i32 %res
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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33 }
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34
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35 ; If one of the conditions is materialized as a 0/1 value anyway, then the
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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36 ; sequence of 2 cmovs should not be used.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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37
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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38 @var32 = global i32 0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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39 define i32 @select_noopt(i32 %a0, i32 %a1, i32 %a2, i32 %a3, i32 %a4) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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40 ; CHECK-LABEL: select_noopt
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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41 ; CHECK: orrs
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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42 ; CHECK: movne
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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43 %cmp0 = icmp ult i32 %a0, %a1
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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44 %cmp1 = icmp ult i32 %a1, %a2
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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45 %or = or i1 %cmp0, %cmp1
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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46 %zero_one = zext i1 %or to i32
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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47 store volatile i32 %zero_one, i32* @var32
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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48 %res = select i1 %or, i32 %a3, i32 %a4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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49 ret i32 %res
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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50 }