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annotate test/CodeGen/AArch64/arm64-fast-isel-indirectbr.ll @ 117:facf19d07cd9

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check EHStack on EmitCall (CbC goto)
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Wed, 24 Aug 2016 20:10:41 +0900
parents afa8332a0e37
children
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afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc -O0 -fast-isel-abort=1 -verify-machineinstrs -mtriple=arm64-apple-darwin < %s | FileCheck %s
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3 @fn.table = internal global [2 x i8*] [i8* blockaddress(@fn, %ZERO), i8* blockaddress(@fn, %ONE)], align 8
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4
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5 define i32 @fn(i32 %target) nounwind {
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6 entry:
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7 ; CHECK-LABEL: fn
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8 %retval = alloca i32, align 4
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9 %target.addr = alloca i32, align 4
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10 store i32 %target, i32* %target.addr, align 4
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11 %0 = load i32, i32* %target.addr, align 4
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12 %idxprom = zext i32 %0 to i64
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13 %arrayidx = getelementptr inbounds [2 x i8*], [2 x i8*]* @fn.table, i32 0, i64 %idxprom
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14 %1 = load i8*, i8** %arrayidx, align 8
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15 br label %indirectgoto
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16
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17 ZERO: ; preds = %indirectgoto
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18 ; CHECK: LBB0_1
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19 store i32 0, i32* %retval
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20 br label %return
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21
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22 ONE: ; preds = %indirectgoto
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23 ; CHECK: LBB0_2
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24 store i32 1, i32* %retval
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25 br label %return
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26
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27 return: ; preds = %ONE, %ZERO
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28 %2 = load i32, i32* %retval
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29 ret i32 %2
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30
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31 indirectgoto: ; preds = %entry
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32 ; CHECK: ldr [[REG:x[0-9]+]], [sp]
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33 ; CHECK-NEXT: br [[REG]]
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34 %indirect.goto.dest = phi i8* [ %1, %entry ]
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35 indirectbr i8* %indirect.goto.dest, [label %ZERO, label %ONE]
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36 }