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annotate test/CodeGen/X86/isel-optnone.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
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children afa8332a0e37
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc -O2 -march=x86 < %s | FileCheck %s
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2
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3 define i32* @fooOptnone(i32* %p, i32* %q, i32** %z) #0 {
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4 entry:
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5 %r = load i32* %p
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6 %s = load i32* %q
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7 %y = load i32** %z
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8
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9 %t0 = add i32 %r, %s
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10 %t1 = add i32 %t0, 1
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11 %t2 = getelementptr i32* %y, i32 1
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12 %t3 = getelementptr i32* %t2, i32 %t1
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13
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14 ret i32* %t3
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16 ; 'optnone' should use fast-isel which will not produce 'lea'.
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17 ; CHECK-LABEL: fooOptnone:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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18 ; CHECK-NOT: lea
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19 ; CHECK: ret
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20 }
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22 define i32* @fooNormal(i32* %p, i32* %q, i32** %z) #1 {
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23 entry:
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24 %r = load i32* %p
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25 %s = load i32* %q
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26 %y = load i32** %z
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28 %t0 = add i32 %r, %s
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29 %t1 = add i32 %t0, 1
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30 %t2 = getelementptr i32* %y, i32 1
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31 %t3 = getelementptr i32* %t2, i32 %t1
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32
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33 ret i32* %t3
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34
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35 ; Normal ISel will produce 'lea'.
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36 ; CHECK-LABEL: fooNormal:
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37 ; CHECK: lea
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38 ; CHECK: ret
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39 }
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41 attributes #0 = { nounwind optnone noinline }
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42 attributes #1 = { nounwind }