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annotate test/Transforms/IndVarSimplify/2011-09-27-hoistsext.ll @ 52:c22698ecb2a9

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modified CreateIdentifierInfo and create new function which was named 'CreateUniqueIdentifierInfo'.
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Wed, 15 Jan 2014 21:01:33 +0900
parents 95c75e76d11b
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 -S | FileCheck %s
95c75e76d11b LLVM 3.4
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2 ; Test indvars' ability to hoist new sext created by WidenIV.
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3 ; From ffbench.
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4
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5 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
95c75e76d11b LLVM 3.4
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6 define internal double @fourn(double* %data, i32 %x, i32 %y, i32 %n) nounwind {
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7 ; CHECK: entry:
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8 ; CHECK: sext
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9 ; CHECK: sext
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10 entry:
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11 br label %for.body
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12
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13 ; CHECK: for.body:
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14 ; CHECK-NOT: sext
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15 ; CHECK: br
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16 for.body:
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17 %i2.115 = phi i32 [ 0, %entry ], [ %add249, %for.body ]
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18 %add174 = add nsw i32 %i2.115, %x
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19 %idxprom177 = sext i32 %add174 to i64
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20 %arrayidx179 = getelementptr inbounds double* %data, i64 %idxprom177
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21 %tmp180 = load double* %arrayidx179, align 8
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22 %add249 = add nsw i32 %i2.115, %y
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23 %cmp168 = icmp sgt i32 %add249, %n
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24 br i1 %cmp168, label %exit, label %for.body
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25
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26 exit:
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27 ret double %tmp180
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28 }