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annotate test/CodeGen/AArch64/machine-sink-kill-flags.ll @ 128:c347d3398279 default tip

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fix
author mir3636
date Wed, 06 Dec 2017 14:37:17 +0900
parents afa8332a0e37
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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95
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc %s -o - -fast-isel=true -O1 -verify-machineinstrs | FileCheck %s
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2
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3 target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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4 target triple = "arm64-apple-ios8.0.0"
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5
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6 ; The machine verifier was asserting on this test because the AND instruction was
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7 ; sunk below the test which killed %tmp340.
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8 ; The kill flags on the test had to be cleared because the AND was going to read
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9 ; registers in a BB after the test instruction.
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10
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11 ; CHECK: %bb343
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12 ; CHECK: and
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13
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14 define i32 @test(i32* %ptr) {
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15 bb:
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16 br label %.thread
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17
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18 .thread: ; preds = %.thread, %bb
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19 %loc = phi i32 [ %next_iter, %.thread ], [ 0, %bb ]
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20 %next_iter = lshr i32 %loc, 1
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21 %tmp340 = sub i32 %loc, 1
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22 %tmp341 = and i32 %tmp340, 1
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23 %tmp342 = icmp eq i32 %tmp341, 0
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24 br i1 %tmp342, label %bb343, label %.thread
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25
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26 bb343: ; preds = %.thread
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27 store i32 %tmp341, i32* %ptr, align 4
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28 ret i32 -1
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29 }