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annotate test/CodeGen/AArch64/arm64-ldp-aa.ll @ 95:afa8332a0e37

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
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children 1172e4bd9c6f
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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 -march=arm64 -enable-misched=false -verify-machineinstrs | FileCheck %s
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2
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3 ; The next set of tests makes sure we can combine the second instruction into
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4 ; the first.
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5
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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6 ; CHECK-LABEL: ldp_int_aa
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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7 ; CHECK: ldp w8, w9, [x1]
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8 ; CHECK: str w0, [x1, #8]
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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9 ; CHECK: ret
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10 define i32 @ldp_int_aa(i32 %a, i32* %p) nounwind {
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11 %tmp = load i32, i32* %p, align 4
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12 %str.ptr = getelementptr inbounds i32, i32* %p, i64 2
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13 store i32 %a, i32* %str.ptr, align 4
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14 %add.ptr = getelementptr inbounds i32, i32* %p, i64 1
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15 %tmp1 = load i32, i32* %add.ptr, align 4
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16 %add = add nsw i32 %tmp1, %tmp
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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17 ret i32 %add
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18 }
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19
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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20 ; CHECK-LABEL: ldp_long_aa
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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21 ; CHECK: ldp x8, x9, [x1]
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22 ; CHECK: str x0, [x1, #16]
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23 ; CHECK: ret
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24 define i64 @ldp_long_aa(i64 %a, i64* %p) nounwind {
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25 %tmp = load i64, i64* %p, align 8
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26 %str.ptr = getelementptr inbounds i64, i64* %p, i64 2
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27 store i64 %a, i64* %str.ptr, align 4
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28 %add.ptr = getelementptr inbounds i64, i64* %p, i64 1
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29 %tmp1 = load i64, i64* %add.ptr, align 8
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30 %add = add nsw i64 %tmp1, %tmp
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31 ret i64 %add
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32 }
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33
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34 ; CHECK-LABEL: ldp_float_aa
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35 ; CHECK: str s0, [x0, #8]
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36 ; CHECK: ldp s1, s0, [x0]
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37 ; CHECK: ret
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38 define float @ldp_float_aa(float %a, float* %p) nounwind {
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39 %tmp = load float, float* %p, align 4
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40 %str.ptr = getelementptr inbounds float, float* %p, i64 2
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41 store float %a, float* %str.ptr, align 4
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42 %add.ptr = getelementptr inbounds float, float* %p, i64 1
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43 %tmp1 = load float, float* %add.ptr, align 4
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44 %add = fadd float %tmp, %tmp1
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45 ret float %add
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46 }
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47
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48 ; CHECK-LABEL: ldp_double_aa
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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49 ; CHECK: str d0, [x0, #16]
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50 ; CHECK: ldp d1, d0, [x0]
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51 ; CHECK: ret
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52 define double @ldp_double_aa(double %a, double* %p) nounwind {
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53 %tmp = load double, double* %p, align 8
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54 %str.ptr = getelementptr inbounds double, double* %p, i64 2
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55 store double %a, double* %str.ptr, align 4
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56 %add.ptr = getelementptr inbounds double, double* %p, i64 1
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57 %tmp1 = load double, double* %add.ptr, align 8
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58 %add = fadd double %tmp, %tmp1
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59 ret double %add
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60 }