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annotate test/CodeGen/NVPTX/rotate.ll @ 77:54457678186b

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LLVM 3.6
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 08 Sep 2014 22:06:00 +0900
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54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck --check-prefix=SM20 %s
54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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2 ; RUN: llc < %s -march=nvptx -mcpu=sm_35 | FileCheck --check-prefix=SM35 %s
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3
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4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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5 declare i32 @llvm.nvvm.rotate.b32(i32, i32)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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6 declare i64 @llvm.nvvm.rotate.b64(i64, i32)
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7 declare i64 @llvm.nvvm.rotate.right.b64(i64, i32)
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8
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9 ; SM20: rotate32
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10 ; SM35: rotate32
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11 define i32 @rotate32(i32 %a, i32 %b) {
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12 ; SM20: shl.b32
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13 ; SM20: sub.s32
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14 ; SM20: shr.b32
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15 ; SM20: add.u32
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16 ; SM35: shf.l.wrap.b32
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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17 %val = tail call i32 @llvm.nvvm.rotate.b32(i32 %a, i32 %b)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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18 ret i32 %val
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19 }
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20
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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21 ; SM20: rotate64
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22 ; SM35: rotate64
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23 define i64 @rotate64(i64 %a, i32 %b) {
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24 ; SM20: shl.b64
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25 ; SM20: sub.u32
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26 ; SM20: shr.b64
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27 ; SM20: add.u64
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28 ; SM35: shf.l.wrap.b32
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29 ; SM35: shf.l.wrap.b32
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30 %val = tail call i64 @llvm.nvvm.rotate.b64(i64 %a, i32 %b)
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31 ret i64 %val
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32 }
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33
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34 ; SM20: rotateright64
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35 ; SM35: rotateright64
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36 define i64 @rotateright64(i64 %a, i32 %b) {
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37 ; SM20: shr.b64
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38 ; SM20: sub.u32
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39 ; SM20: shl.b64
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40 ; SM20: add.u64
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41 ; SM35: shf.r.wrap.b32
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42 ; SM35: shf.r.wrap.b32
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43 %val = tail call i64 @llvm.nvvm.rotate.right.b64(i64 %a, i32 %b)
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44 ret i64 %val
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45 }
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46
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47 ; SM20: rotl0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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48 ; SM35: rotl0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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49 define i32 @rotl0(i32 %x) {
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50 ; SM20: shl.b32
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51 ; SM20: shr.b32
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52 ; SM20: add.u32
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53 ; SM35: shf.l.wrap.b32
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54 %t0 = shl i32 %x, 8
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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55 %t1 = lshr i32 %x, 24
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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56 %t2 = or i32 %t0, %t1
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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57 ret i32 %t2
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58 }