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annotate test/CodeGen/SystemZ/strcmp-02.ll @ 0:95c75e76d11b LLVM3.4

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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 1172e4bd9c6f
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1 ; Test strcmp using CLST, i64 version.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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2 ;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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5 declare i64 @strcmp(i8 *%src1, i8 *%src2)
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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 ; Check a case where the result is used as an integer.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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8 define i64 @f1(i8 *%src1, i8 *%src2) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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9 ; CHECK-LABEL: f1:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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10 ; CHECK: lhi %r0, 0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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11 ; CHECK: [[LABEL:\.[^:]*]]:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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12 ; CHECK: clst %r2, %r3
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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13 ; CHECK-NEXT: jo [[LABEL]]
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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14 ; CHECK-NEXT: BB#{{[0-9]+}}
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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15 ; CHECK-NEXT: ipm [[REG:%r[0-5]]]
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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16 ; CHECK: srl [[REG]], 28
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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17 ; CHECK: rll [[REG]], [[REG]], 31
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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18 ; CHECK: lgfr %r2, [[REG]]
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
19 ; CHECK: br %r14
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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20 %res = call i64 @strcmp(i8 *%src1, i8 *%src2)
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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21 ret i64 %res
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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22 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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23
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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24 ; Check a case where the result is tested for equality.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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25 define void @f2(i8 *%src1, i8 *%src2, i64 *%dest) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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26 ; CHECK-LABEL: f2:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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27 ; CHECK: lhi %r0, 0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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28 ; CHECK: [[LABEL:\.[^:]*]]:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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29 ; CHECK: clst %r2, %r3
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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30 ; CHECK-NEXT: jo [[LABEL]]
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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31 ; CHECK-NEXT: BB#{{[0-9]+}}
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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32 ; CHECK-NEXT: je {{\.L.*}}
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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33 ; CHECK: br %r14
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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34 %res = call i64 @strcmp(i8 *%src1, i8 *%src2)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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35 %cmp = icmp eq i64 %res, 0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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36 br i1 %cmp, label %exit, label %store
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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37
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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38 store:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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39 store i64 0, i64 *%dest
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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40 br label %exit
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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41
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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42 exit:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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43 ret void
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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44 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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45
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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46 ; Test a case where the result is used both as an integer and for
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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47 ; branching.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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48 define i64 @f3(i8 *%src1, i8 *%src2, i64 *%dest) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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49 ; CHECK-LABEL: f3:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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50 ; CHECK: lhi %r0, 0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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51 ; CHECK: [[LABEL:\.[^:]*]]:
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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52 ; CHECK: clst %r2, %r3
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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53 ; CHECK-NEXT: jo [[LABEL]]
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
54 ; CHECK-NEXT: BB#{{[0-9]+}}
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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55 ; CHECK-NEXT: ipm [[REG:%r[0-5]]]
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
56 ; CHECK: srl [[REG]], 28
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
57 ; CHECK: rll [[REG]], [[REG]], 31
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
58 ; CHECK: lgfr %r2, [[REG]]
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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59 ; CHECK: jl {{\.L*}}
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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60 ; CHECK: br %r14
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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61 entry:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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62 %res = call i64 @strcmp(i8 *%src1, i8 *%src2)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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63 %cmp = icmp slt i64 %res, 0
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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64 br i1 %cmp, label %exit, label %store
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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65
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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66 store:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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67 store i64 0, i64 *%dest
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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68 br label %exit
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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69
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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70 exit:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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71 ret i64 %res
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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72 }