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annotate test/Transforms/InstCombine/alias-recursion.ll @ 147:c2174574ed3a

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LLVM 10
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Wed, 14 Aug 2019 16:55:33 +0900
parents afa8332a0e37
children
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60c9769439b8 LLVM 3.7
Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
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1 ; RUN: opt < %s -instcombine -S | FileCheck %s
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2
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3 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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4 target triple = "x86_64-pc-windows-msvc"
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6 %class.A = type { i32 (...)** }
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7
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8 @0 = constant [1 x i8*] zeroinitializer
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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10 @vtbl = alias i8*, getelementptr inbounds ([1 x i8*], [1 x i8*]* @0, i32 0, i32 0)
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11
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12 define i32 (%class.A*)* @test() {
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13 ; CHECK-LABEL: test
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14 entry:
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15 br i1 undef, label %for.body, label %for.end
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16
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17 for.body: ; preds = %for.body, %entry
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18 br i1 undef, label %for.body, label %for.end
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19
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20 for.end: ; preds = %for.body, %entry
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21 %A = phi i32 (%class.A*)** [ bitcast (i8** @vtbl to i32 (%class.A*)**), %for.body ], [ null, %entry ]
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22 %B = load i32 (%class.A*)*, i32 (%class.A*)** %A
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23 ret i32 (%class.A*)* %B
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24 }