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annotate test/CodeGen/ARM/2011-11-28-DAGCombineBug.ll @ 100:7d135dc70f03

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LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents afa8332a0e37
children
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1 ; RUN: llc < %s -mtriple=thumbv7-apple-ios5.0.0 | FileCheck %s
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2 ; rdar://10464621
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3
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4 ; DAG combine increases loads from packed types. ARM load / store optimizer then
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5 ; combined them into a ldm which causes runtime exception.
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7 %struct.InformationBlock = type <{ i32, %struct.FlagBits, %struct.FlagBits }>
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8 %struct.FlagBits = type <{ [4 x i32] }>
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9
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10 @infoBlock = external global %struct.InformationBlock
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11
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12 define hidden void @foo() {
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13 ; CHECK-LABEL: foo:
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14 ; CHECK: ldr.w
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15 ; CHECK: ldr.w
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16 ; CHECK-NOT: ldm
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17 entry:
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18 %tmp13 = load i32, i32* getelementptr inbounds (%struct.InformationBlock, %struct.InformationBlock* @infoBlock, i32 0, i32 1, i32 0, i32 0), align 1
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19 %tmp15 = load i32, i32* getelementptr inbounds (%struct.InformationBlock, %struct.InformationBlock* @infoBlock, i32 0, i32 1, i32 0, i32 1), align 1
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20 %tmp17 = load i32, i32* getelementptr inbounds (%struct.InformationBlock, %struct.InformationBlock* @infoBlock, i32 0, i32 1, i32 0, i32 2), align 1
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21 %tmp19 = load i32, i32* getelementptr inbounds (%struct.InformationBlock, %struct.InformationBlock* @infoBlock, i32 0, i32 1, i32 0, i32 3), align 1
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22 %tmp = load i32, i32* getelementptr inbounds (%struct.InformationBlock, %struct.InformationBlock* @infoBlock, i32 0, i32 2, i32 0, i32 0), align 1
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23 %tmp3 = load i32, i32* getelementptr inbounds (%struct.InformationBlock, %struct.InformationBlock* @infoBlock, i32 0, i32 2, i32 0, i32 1), align 1
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24 %tmp4 = load i32, i32* getelementptr inbounds (%struct.InformationBlock, %struct.InformationBlock* @infoBlock, i32 0, i32 2, i32 0, i32 2), align 1
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25 %tmp5 = load i32, i32* getelementptr inbounds (%struct.InformationBlock, %struct.InformationBlock* @infoBlock, i32 0, i32 2, i32 0, i32 3), align 1
0
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26 %insert21 = insertvalue [4 x i32] undef, i32 %tmp13, 0
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27 %insert23 = insertvalue [4 x i32] %insert21, i32 %tmp15, 1
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28 %insert25 = insertvalue [4 x i32] %insert23, i32 %tmp17, 2
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29 %insert27 = insertvalue [4 x i32] %insert25, i32 %tmp19, 3
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30 %insert = insertvalue [4 x i32] undef, i32 %tmp, 0
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31 %insert7 = insertvalue [4 x i32] %insert, i32 %tmp3, 1
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32 %insert9 = insertvalue [4 x i32] %insert7, i32 %tmp4, 2
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33 %insert11 = insertvalue [4 x i32] %insert9, i32 %tmp5, 3
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34 tail call void @bar([4 x i32] %insert27, [4 x i32] %insert11)
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35 ret void
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36 }
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38 declare void @bar([4 x i32], [4 x i32])