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annotate test/CodeGen/ARM/thumb1-varalloc.ll @ 0:95c75e76d11b

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children 60c9769439b8
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc < %s -mtriple=thumbv6-apple-darwin | FileCheck %s
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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2 ; RUN: llc < %s -mtriple=thumbv6-apple-darwin -regalloc=basic | FileCheck %s
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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3 ; rdar://8819685
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4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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5 @__bar = external hidden global i8*
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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6 @__baz = external hidden global i8*
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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7
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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8 define i8* @_foo() {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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9 entry:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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10 ; CHECK: foo:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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11
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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12 %size = alloca i32, align 4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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13 %0 = load i8** @__bar, align 4
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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14 %1 = icmp eq i8* %0, null
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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15 br i1 %1, label %bb1, label %bb3
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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16 ; CHECK: bne
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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17
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18 bb1:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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19 store i32 1026, i32* %size, align 4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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20 %2 = alloca [1026 x i8], align 1
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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21 ; CHECK: mov [[R0:r[0-9]+]], sp
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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22 ; CHECK: adds {{r[0-9]+}}, [[R0]], {{r[0-9]+}}
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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23 %3 = getelementptr inbounds [1026 x i8]* %2, i32 0, i32 0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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24 %4 = call i32 @_called_func(i8* %3, i32* %size) nounwind
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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25 %5 = icmp eq i32 %4, 0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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26 br i1 %5, label %bb2, label %bb3
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27
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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28 bb2:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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29 %6 = call i8* @strdup(i8* %3) nounwind
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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30 store i8* %6, i8** @__baz, align 4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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31 br label %bb3
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32
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33 bb3:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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34 %.0 = phi i8* [ %0, %entry ], [ %6, %bb2 ], [ %3, %bb1 ]
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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35 ; CHECK: subs r4, #5
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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36 ; CHECK-NEXT: mov sp, r4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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37 ; CHECK-NEXT: pop {r4, r5, r6, r7, pc}
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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38 ret i8* %.0
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39 }
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40
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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41 declare noalias i8* @strdup(i8* nocapture) nounwind
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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42 declare i32 @_called_func(i8*, i32*) nounwind