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annotate test/CodeGen/X86/2012-08-07-CmpISelBug.ll @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents 95c75e76d11b
children c2174574ed3a
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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=x86_64-apple-macosx | FileCheck %s
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2
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3 ; Cmp lowering should not look past the truncate unless the high bits are known
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4 ; zero.
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5 ; rdar://12027825
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6
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7 define void @foo(i8 %arg4, i32 %arg5, i32* %arg14) nounwind {
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8 bb:
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9 ; CHECK-LABEL: foo:
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10 ; CHECK-NOT: testl
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11 ; CHECK: testb
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12 %tmp48 = zext i8 %arg4 to i32
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13 %tmp49 = and i32 %tmp48, 32
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14 %tmp50 = add i32 %tmp49, 1593371643
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15 %tmp55 = sub i32 %tmp50, 0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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16 %tmp56 = add i32 %tmp55, 7787538
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17 %tmp57 = xor i32 %tmp56, 1601159181
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18 %tmp58 = xor i32 %arg5, 1601159181
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19 %tmp59 = and i32 %tmp57, %tmp58
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20 %tmp60 = add i32 %tmp59, -1263900958
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21 %tmp67 = sub i32 %tmp60, 0
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22 %tmp103 = xor i32 %tmp56, 13
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23 %tmp104 = trunc i32 %tmp103 to i8
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24 %tmp105 = sub i8 0, %tmp104
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25 %tmp106 = add i8 %tmp105, -103
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26 %tmp113 = sub i8 %tmp106, 0
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27 %tmp114 = add i8 %tmp113, -72
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28 %tmp141 = icmp ne i32 %tmp67, -1263900958
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29 %tmp142 = select i1 %tmp141, i8 %tmp114, i8 undef
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30 %tmp143 = xor i8 %tmp142, 81
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31 %tmp144 = zext i8 %tmp143 to i32
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32 %tmp145 = add i32 %tmp144, 2062143348
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33 %tmp152 = sub i32 %tmp145, 0
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34 store i32 %tmp152, i32* %arg14
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35 ret void
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36 }