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annotate test/CodeGen/ARM/cttz.ll @ 100:7d135dc70f03

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LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents afa8332a0e37
children 803732b1fca8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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95
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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1 ; RUN: llc < %s -mtriple arm-eabi -mattr=+v6t2 | FileCheck %s
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2 ; RUN: llc < %s -mtriple arm-eabi -mattr=+v6t2 -mattr=+neon | FileCheck %s
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3
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4 ; This test checks the @llvm.cttz.* intrinsics for integers.
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5
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6 declare i8 @llvm.cttz.i8(i8, i1)
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7 declare i16 @llvm.cttz.i16(i16, i1)
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8 declare i32 @llvm.cttz.i32(i32, i1)
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9 declare i64 @llvm.cttz.i64(i64, i1)
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10
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11 ;------------------------------------------------------------------------------
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12
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13 define i8 @test_i8(i8 %a) {
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14 ; CHECK-LABEL: test_i8:
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15 ; CHECK: orr [[REG:r[0-9]+]], [[REG]], #256
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16 ; CHECK: rbit
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17 ; CHECK: clz
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18 %tmp = call i8 @llvm.cttz.i8(i8 %a, i1 false)
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19 ret i8 %tmp
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20 }
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21
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22 define i16 @test_i16(i16 %a) {
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23 ; CHECK-LABEL: test_i16:
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24 ; CHECK: orr [[REG:r[0-9]+]], [[REG]], #65536
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25 ; CHECK: rbit
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26 ; CHECK: clz
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27 %tmp = call i16 @llvm.cttz.i16(i16 %a, i1 false)
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28 ret i16 %tmp
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29 }
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30
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31 define i32 @test_i32(i32 %a) {
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32 ; CHECK-LABEL: test_i32:
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33 ; CHECK: rbit
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34 ; CHECK: clz
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35 %tmp = call i32 @llvm.cttz.i32(i32 %a, i1 false)
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36 ret i32 %tmp
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37 }
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38
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39 define i64 @test_i64(i64 %a) {
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40 ; CHECK-LABEL: test_i64:
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41 ; CHECK: rbit
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42 ; CHECK: rbit
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43 ; CHECK: cmp
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44 ; CHECK: clz
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45 ; CHECK: add
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46 ; CHECK: clzne
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47 %tmp = call i64 @llvm.cttz.i64(i64 %a, i1 false)
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48 ret i64 %tmp
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49 }
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50
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51 ;------------------------------------------------------------------------------
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52
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53 define i8 @test_i8_zero_undef(i8 %a) {
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54 ; CHECK-LABEL: test_i8_zero_undef:
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55 ; CHECK-NOT: orr
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56 ; CHECK: rbit
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57 ; CHECK: clz
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58 %tmp = call i8 @llvm.cttz.i8(i8 %a, i1 true)
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59 ret i8 %tmp
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60 }
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61
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62 define i16 @test_i16_zero_undef(i16 %a) {
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63 ; CHECK-LABEL: test_i16_zero_undef:
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64 ; CHECK-NOT: orr
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65 ; CHECK: rbit
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66 ; CHECK: clz
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67 %tmp = call i16 @llvm.cttz.i16(i16 %a, i1 true)
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68 ret i16 %tmp
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69 }
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70
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71
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72 define i32 @test_i32_zero_undef(i32 %a) {
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73 ; CHECK-LABEL: test_i32_zero_undef:
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74 ; CHECK: rbit
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75 ; CHECK: clz
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76 %tmp = call i32 @llvm.cttz.i32(i32 %a, i1 true)
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77 ret i32 %tmp
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78 }
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79
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80 define i64 @test_i64_zero_undef(i64 %a) {
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81 ; CHECK-LABEL: test_i64_zero_undef:
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82 ; CHECK: rbit
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83 ; CHECK: rbit
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84 ; CHECK: cmp
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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85 ; CHECK: clz
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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86 ; CHECK: add
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87 ; CHECK: clzne
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88 %tmp = call i64 @llvm.cttz.i64(i64 %a, i1 true)
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89 ret i64 %tmp
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90 }