• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; Test vector shuffles on vectors with implicitly extended elements
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | \
4; RUN:   FileCheck -check-prefix=CHECK-CODE %s
5; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | \
6; RUN:   FileCheck -check-prefix=CHECK-VECTOR %s
7
8define <4 x i16> @f1(<4 x i16> %x) {
9; CHECK-CODE-LABEL: f1:
10; CHECK-CODE: larl [[REG:%r[0-5]]],
11; CHECK-CODE: vl [[MASK:%v[0-9]+]], 0([[REG]])
12; CHECK-CODE: vgbm [[ELT:%v[0-9]+]], 0
13; CHECK-CODE: vperm %v24, %v24, [[ELT]], [[MASK]]
14; CHECK-CODE: br %r14
15
16; CHECK-VECTOR: .space  1
17; CHECK-VECTOR-NEXT: .space  1
18; CHECK-VECTOR-NEXT: .space  1
19; CHECK-VECTOR-NEXT: .space  1
20; CHECK-VECTOR-NEXT: .byte   6
21; CHECK-VECTOR-NEXT: .byte   7
22; CHECK-VECTOR-NEXT: .byte   16
23; CHECK-VECTOR-NEXT: .byte   17
24; CHECK-VECTOR-NEXT: .space  1
25; CHECK-VECTOR-NEXT: .space  1
26; CHECK-VECTOR-NEXT: .space  1
27; CHECK-VECTOR-NEXT: .space  1
28; CHECK-VECTOR-NEXT: .space  1
29; CHECK-VECTOR-NEXT: .space  1
30; CHECK-VECTOR-NEXT: .space  1
31; CHECK-VECTOR-NEXT: .space  1
32
33  %elt = extractelement <4 x i16> %x, i32 3
34  %vec1 = insertelement <4 x i16> undef, i16 %elt, i32 2
35  %vec2 = insertelement <4 x i16> %vec1, i16 0, i32 3
36  ret <4 x i16> %vec2
37}
38
39