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annotate test/Transforms/InstCombine/fold-vector-zero.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 afa8332a0e37
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: opt < %s -instcombine -S | not grep zeroinitializer
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2
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3 define void @foo(i64 %A, i64 %B) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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4 bb8:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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5 br label %bb30
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6
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7 bb30:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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8 %s0 = phi i64 [ 0, %bb8 ], [ %r21, %bb30 ]
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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9 %l0 = phi i64 [ -2222, %bb8 ], [ %r23, %bb30 ]
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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10 %r2 = add i64 %s0, %B
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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11 %r3 = inttoptr i64 %r2 to <2 x double>*
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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12 %r4 = load <2 x double>* %r3, align 8
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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13 %r6 = bitcast <2 x double> %r4 to <2 x i64>
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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14 %r7 = bitcast <2 x double> zeroinitializer to <2 x i64>
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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15 %r8 = insertelement <2 x i64> undef, i64 9223372036854775807, i32 0
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16 %r9 = insertelement <2 x i64> undef, i64 -9223372036854775808, i32 0
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17 %r10 = insertelement <2 x i64> %r8, i64 9223372036854775807, i32 1
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18 %r11 = insertelement <2 x i64> %r9, i64 -9223372036854775808, i32 1
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19 %r12 = and <2 x i64> %r6, %r10
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20 %r13 = and <2 x i64> %r7, %r11
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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21 %r14 = or <2 x i64> %r12, %r13
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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22 %r15 = bitcast <2 x i64> %r14 to <2 x double>
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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23 %r18 = add i64 %s0, %A
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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24 %r19 = inttoptr i64 %r18 to <2 x double>*
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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25 store <2 x double> %r15, <2 x double>* %r19, align 8
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26 %r21 = add i64 16, %s0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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27 %r23 = add i64 1, %l0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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28 %r25 = icmp slt i64 %r23, 0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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29 %r26 = zext i1 %r25 to i64
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30 %r27 = icmp ne i64 %r26, 0
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31 br i1 %r27, label %bb30, label %bb5
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32
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33 bb5:
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34 ret void
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35 }