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annotate test/CodeGen/AVR/select-mbb-placement-bug.ll @ 128:c347d3398279 default tip

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fix
author mir3636
date Wed, 06 Dec 2017 14:37:17 +0900
parents 803732b1fca8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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121
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1 ; RUN: llc -mcpu=atmega328p < %s -march=avr | FileCheck %s
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2
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3 ; CHECK-LABEL: loopy
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4 define internal fastcc void @loopy() {
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5
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6 ; In this case, when we expand `Select8`/`Select16`, we should be
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7 ; replacing the existing MBB instead of adding a new one.
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8 ;
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9 ; https://github.com/avr-rust/rust/issues/49
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10
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11 ; CHECK: LBB0_{{[0-9]+}}:
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12 ; CHECK: LBB0_{{[0-9]+}}:
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13 ; CHECK-NOT: LBB0_{{[0-9]+}}:
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14 start:
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15 br label %bb7.preheader
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16
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17 bb7.preheader: ; preds = %bb10, %start
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18 %i = phi i8 [ 0, %start ], [ %j, %bb10 ]
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19 %j = phi i8 [ 1, %start ], [ %next, %bb10 ]
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20 br label %bb10
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21
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22 bb4: ; preds = %bb10
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23 ret void
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24
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25 bb10: ; preds = %bb7.preheader
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26 tail call fastcc void @observe(i8 %i, i8 1)
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27 %0 = icmp ult i8 %j, 20
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28 %1 = zext i1 %0 to i8
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29 %next = add i8 %j, %1
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30 br i1 %0, label %bb7.preheader, label %bb4
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31
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32 }
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33
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34 declare void @observe(i8, i8);
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35