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annotate test/CodeGen/ARM/mls.ll @ 100:7d135dc70f03

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LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents 54457678186b
children
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54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
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1 ; RUN: llc -mtriple=arm-eabi -mattr=+v6t2 %s -o - | FileCheck %s
54457678186b LLVM 3.6
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2 ; RUN: llc -mtriple=arm-eabi -mattr=+v6t2 -arm-use-mulops=false %s -o - \
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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3 ; RUN: | FileCheck %s -check-prefix=NO_MULOPS
0
95c75e76d11b LLVM 3.4
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4
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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5 define i32 @f1(i32 %a, i32 %b, i32 %c) {
95c75e76d11b LLVM 3.4
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6 %tmp1 = mul i32 %a, %b
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7 %tmp2 = sub i32 %c, %tmp1
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8 ret i32 %tmp2
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9 }
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10
95c75e76d11b LLVM 3.4
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11 ; sub doesn't commute, so no mls for this one
95c75e76d11b LLVM 3.4
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12 define i32 @f2(i32 %a, i32 %b, i32 %c) {
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13 %tmp1 = mul i32 %a, %b
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14 %tmp2 = sub i32 %tmp1, %c
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15 ret i32 %tmp2
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16 }
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17
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18 ; CHECK-LABEL: f1:
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19 ; CHECK: mls r0, r0, r1, r2
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20 ; NO_MULOPS-LABEL: f1:
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21 ; NO_MULOPS: mul r0, r0, r1
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22 ; NO_MULOPS-NEXT: sub r0, r2, r0
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23
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24 ; CHECK-LABEL: f2:
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25 ; CHECK: mul r0, r0, r1
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26 ; CHECK-NEXT: sub r0, r0, r2
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27 ; NO_MULOPS-LABEL: f2:
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28 ; NO_MULOPS: mul r0, r0, r1
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29 ; NO_MULOPS-NEXT: sub r0, r0, r2