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annotate test/Transforms/IndVarSimplify/2008-10-03-CouldNotCompute.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
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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 -indvars
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2 ; PR2857
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3
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4 @foo = external global i32 ; <i32*> [#uses=1]
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6 define void @test(i32 %n, i32 %arg) {
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7 entry:
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8 br i1 false, label %bb.nph, label %return
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9
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10 bb.nph: ; preds = %entry
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11 %0 = load i32* @foo, align 4 ; <i32> [#uses=1]
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12 %1 = sext i32 %0 to i64 ; <i64> [#uses=1]
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13 br label %bb
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14
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15 bb: ; preds = %bb, %bb.nph
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16 %.in = phi i32 [ %2, %bb ], [ %n, %bb.nph ] ; <i32> [#uses=1]
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17 %val.02 = phi i64 [ %5, %bb ], [ 0, %bb.nph ] ; <i64> [#uses=2]
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18 %result.01 = phi i64 [ %4, %bb ], [ 0, %bb.nph ] ; <i64> [#uses=1]
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19 %2 = add i32 %.in, -1 ; <i32> [#uses=2]
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20 %3 = mul i64 %1, %val.02 ; <i64> [#uses=1]
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21 %4 = add i64 %3, %result.01 ; <i64> [#uses=2]
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22 %5 = add i64 %val.02, 1 ; <i64> [#uses=1]
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23 %6 = icmp sgt i32 %2, 0 ; <i1> [#uses=1]
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24 br i1 %6, label %bb, label %bb3.bb4_crit_edge
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26 bb3.bb4_crit_edge: ; preds = %bb
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27 %.lcssa = phi i64 [ %4, %bb ] ; <i64> [#uses=0]
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28 ret void
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29
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30 return: ; preds = %entry
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31 ret void
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32 }