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annotate test/CodeGen/X86/shift-codegen.ll @ 52:c22698ecb2a9

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modified CreateIdentifierInfo and create new function which was named 'CreateUniqueIdentifierInfo'.
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Wed, 15 Jan 2014 21:01:33 +0900
parents 95c75e76d11b
children afa8332a0e37
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95c75e76d11b LLVM 3.4
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1 ; RUN: llc < %s -relocation-model=static -march=x86 | FileCheck %s
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3 ; This should produce two shll instructions, not any lea's.
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5 target triple = "i686-apple-darwin8"
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6 @Y = weak global i32 0 ; <i32*> [#uses=1]
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7 @X = weak global i32 0 ; <i32*> [#uses=2]
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10 define void @fn1() {
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11 ; CHECK-LABEL: fn1:
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12 ; CHECK-NOT: ret
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13 ; CHECK-NOT: lea
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14 ; CHECK: shll $3
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15 ; CHECK-NOT: lea
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16 ; CHECK: ret
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18 %tmp = load i32* @Y ; <i32> [#uses=1]
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19 %tmp1 = shl i32 %tmp, 3 ; <i32> [#uses=1]
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20 %tmp2 = load i32* @X ; <i32> [#uses=1]
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21 %tmp3 = or i32 %tmp1, %tmp2 ; <i32> [#uses=1]
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22 store i32 %tmp3, i32* @X
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23 ret void
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24 }
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26 define i32 @fn2(i32 %X, i32 %Y) {
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27 ; CHECK-LABEL: fn2:
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28 ; CHECK-NOT: ret
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29 ; CHECK-NOT: lea
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30 ; CHECK: shll $3
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31 ; CHECK-NOT: lea
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32 ; CHECK: ret
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34 %tmp2 = shl i32 %Y, 3 ; <i32> [#uses=1]
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35 %tmp4 = or i32 %tmp2, %X ; <i32> [#uses=1]
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36 ret i32 %tmp4
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37 }
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