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annotate test/CodeGen/SystemZ/vec-ctpop-01.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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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; Test vector population-count instruction
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2 ;
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3 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
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4
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5 declare <16 x i8> @llvm.ctpop.v16i8(<16 x i8> %a)
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6 declare <8 x i16> @llvm.ctpop.v8i16(<8 x i16> %a)
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7 declare <4 x i32> @llvm.ctpop.v4i32(<4 x i32> %a)
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8 declare <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %a)
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9
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10 define <16 x i8> @f1(<16 x i8> %a) {
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11 ; CHECK-LABEL: f1:
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12 ; CHECK: vpopct %v24, %v24, 0
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13 ; CHECK: br %r14
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14
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15 %popcnt = call <16 x i8> @llvm.ctpop.v16i8(<16 x i8> %a)
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16 ret <16 x i8> %popcnt
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17 }
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18
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19 define <8 x i16> @f2(<8 x i16> %a) {
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20 ; CHECK-LABEL: f2:
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21 ; CHECK: vpopct [[T1:%v[0-9]+]], %v24, 0
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22 ; CHECK: veslh [[T2:%v[0-9]+]], [[T1]], 8
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23 ; CHECK: vah [[T3:%v[0-9]+]], [[T1]], [[T2]]
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24 ; CHECK: vesrlh %v24, [[T3]], 8
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25 ; CHECK: br %r14
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26
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27 %popcnt = call <8 x i16> @llvm.ctpop.v8i16(<8 x i16> %a)
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28 ret <8 x i16> %popcnt
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29 }
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30
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31 define <4 x i32> @f3(<4 x i32> %a) {
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32 ; CHECK-LABEL: f3:
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33 ; CHECK: vpopct [[T1:%v[0-9]+]], %v24, 0
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34 ; CHECK: vgbm [[T2:%v[0-9]+]], 0
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35 ; CHECK: vsumb %v24, [[T1]], [[T2]]
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36 ; CHECK: br %r14
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37
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38 %popcnt = call <4 x i32> @llvm.ctpop.v4i32(<4 x i32> %a)
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39 ret <4 x i32> %popcnt
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40 }
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41
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42 define <2 x i64> @f4(<2 x i64> %a) {
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43 ; CHECK-LABEL: f4:
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44 ; CHECK: vpopct [[T1:%v[0-9]+]], %v24, 0
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45 ; CHECK: vgbm [[T2:%v[0-9]+]], 0
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46 ; CHECK: vsumb [[T3:%v[0-9]+]], [[T1]], [[T2]]
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47 ; CHECK: vsumgf %v24, [[T3]], [[T2]]
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48 ; CHECK: br %r14
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49
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50 %popcnt = call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %a)
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51 ret <2 x i64> %popcnt
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52 }
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53