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annotate test/CodeGen/AArch64/arm64-extload-knownzero.ll @ 100:7d135dc70f03 LLVM 3.9

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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 1172e4bd9c6f
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54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc < %s -march=arm64 | FileCheck %s
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2 ; rdar://12771555
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3
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4 define void @foo(i16* %ptr, i32 %a) nounwind {
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5 entry:
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6 ; CHECK-LABEL: foo:
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7 %tmp1 = icmp ult i32 %a, 100
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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8 br i1 %tmp1, label %bb1, label %bb2
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9 bb1:
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10 ; CHECK: %bb1
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11 ; CHECK: ldrh [[REG:w[0-9]+]]
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afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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12 %tmp2 = load i16, i16* %ptr, align 2
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13 br label %bb2
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14 bb2:
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15 ; CHECK: %bb2
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16 ; CHECK-NOT: and {{w[0-9]+}}, [[REG]], #0xffff
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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17 ; CHECK: cmp [[REG]], #23
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18 %tmp3 = phi i16 [ 0, %entry ], [ %tmp2, %bb1 ]
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19 %cmp = icmp ult i16 %tmp3, 24
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20 br i1 %cmp, label %bb3, label %exit
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21 bb3:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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22 call void @bar() nounwind
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23 br label %exit
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24 exit:
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25 ret void
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26 }
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27
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28 declare void @bar ()