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1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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2 ; RUN: opt < %s -instcombine -S | FileCheck %s
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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3
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95
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4 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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5 target triple = "x86_64-unknown-linux-gnu"
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6
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0
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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7 ; Should be optimized to one and.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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8 define i1 @test1(i32 %a, i32 %b) {
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83
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9 ; CHECK-LABEL: @test1(
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120
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10 ; CHECK-NEXT: [[TMP1:%.*]] = xor i32 %a, %b
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11 ; CHECK-NEXT: [[TMP2:%.*]] = and i32 [[TMP1]], 65280
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12 ; CHECK-NEXT: [[TMP:%.*]] = icmp ne i32 [[TMP2]], 0
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13 ; CHECK-NEXT: ret i1 [[TMP]]
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14 ;
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15 %tmp1 = and i32 %a, 65280
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16 %tmp3 = and i32 %b, 65280
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17 %tmp = icmp ne i32 %tmp1, %tmp3
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18 ret i1 %tmp
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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19 }
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20
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120
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21 define <2 x i1> @test1vec(<2 x i32> %a, <2 x i32> %b) {
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22 ; CHECK-LABEL: @test1vec(
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23 ; CHECK-NEXT: [[TMP1:%.*]] = xor <2 x i32> %a, %b
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24 ; CHECK-NEXT: [[TMP2:%.*]] = and <2 x i32> [[TMP1]], <i32 65280, i32 65280>
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25 ; CHECK-NEXT: [[TMP:%.*]] = icmp ne <2 x i32> [[TMP2]], zeroinitializer
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26 ; CHECK-NEXT: ret <2 x i1> [[TMP]]
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27 ;
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28 %tmp1 = and <2 x i32> %a, <i32 65280, i32 65280>
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29 %tmp3 = and <2 x i32> %b, <i32 65280, i32 65280>
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30 %tmp = icmp ne <2 x i32> %tmp1, %tmp3
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31 ret <2 x i1> %tmp
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32 }
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33
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34 define i1 @test2(i64 %A) {
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35 ; CHECK-LABEL: @test2(
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120
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36 ; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 %A to i8
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37 ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i8 [[TMP1]], -1
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38 ; CHECK-NEXT: ret i1 [[CMP]]
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39 ;
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40 %and = and i64 %A, 128
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41 %cmp = icmp eq i64 %and, 0
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42 ret i1 %cmp
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43 }
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44
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120
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45 define <2 x i1> @test2vec(<2 x i64> %A) {
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46 ; CHECK-LABEL: @test2vec(
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47 ; CHECK-NEXT: [[TMP1:%.*]] = trunc <2 x i64> %A to <2 x i8>
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48 ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <2 x i8> [[TMP1]], <i8 -1, i8 -1>
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49 ; CHECK-NEXT: ret <2 x i1> [[CMP]]
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50 ;
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51 %and = and <2 x i64> %A, <i64 128, i64 128>
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52 %cmp = icmp eq <2 x i64> %and, zeroinitializer
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53 ret <2 x i1> %cmp
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54 }
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55
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56 define i1 @test3(i64 %A) {
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95
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57 ; CHECK-LABEL: @test3(
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120
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58 ; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 %A to i8
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59 ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[TMP1]], 0
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60 ; CHECK-NEXT: ret i1 [[CMP]]
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61 ;
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62 %and = and i64 %A, 128
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63 %cmp = icmp ne i64 %and, 0
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64 ret i1 %cmp
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65 }
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120
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66
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67 define <2 x i1> @test3vec(<2 x i64> %A) {
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68 ; CHECK-LABEL: @test3vec(
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69 ; CHECK-NEXT: [[TMP1:%.*]] = trunc <2 x i64> %A to <2 x i8>
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70 ; CHECK-NEXT: [[CMP:%.*]] = icmp slt <2 x i8> [[TMP1]], zeroinitializer
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71 ; CHECK-NEXT: ret <2 x i1> [[CMP]]
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72 ;
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73 %and = and <2 x i64> %A, <i64 128, i64 128>
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74 %cmp = icmp ne <2 x i64> %and, zeroinitializer
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75 ret <2 x i1> %cmp
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76 }
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77
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