reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
; Test vector shift left with scalar shift amount.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s

; Test a v16i8 shift by a variable.
define <16 x i8> @f1(<16 x i8> %dummy, <16 x i8> %val1, i32 %shift) {
; CHECK-LABEL: f1:
; CHECK: veslb %v24, %v26, 0(%r2)
; CHECK: br %r14
  %truncshift = trunc i32 %shift to i8
  %shiftvec = insertelement <16 x i8> undef, i8 %truncshift, i32 0
  %val2 = shufflevector <16 x i8> %shiftvec, <16 x i8> undef,
                        <16 x i32> zeroinitializer
  %ret = shl <16 x i8> %val1, %val2
  ret <16 x i8> %ret
}

; Test a v16i8 shift by the lowest useful constant.
define <16 x i8> @f2(<16 x i8> %dummy, <16 x i8> %val) {
; CHECK-LABEL: f2:
; CHECK: veslb %v24, %v26, 1
; CHECK: br %r14
  %ret = shl <16 x i8> %val, <i8 1, i8 1, i8 1, i8 1,
                              i8 1, i8 1, i8 1, i8 1,
                              i8 1, i8 1, i8 1, i8 1,
                              i8 1, i8 1, i8 1, i8 1>
  ret <16 x i8> %ret
}

; Test a v16i8 shift by the highest useful constant.
define <16 x i8> @f3(<16 x i8> %dummy, <16 x i8> %val) {
; CHECK-LABEL: f3:
; CHECK: veslb %v24, %v26, 7
; CHECK: br %r14
  %ret = shl <16 x i8> %val, <i8 7, i8 7, i8 7, i8 7,
                              i8 7, i8 7, i8 7, i8 7,
                              i8 7, i8 7, i8 7, i8 7,
                              i8 7, i8 7, i8 7, i8 7>
  ret <16 x i8> %ret
}

; Test a v8i16 shift by a variable.
define <8 x i16> @f4(<8 x i16> %dummy, <8 x i16> %val1, i32 %shift) {
; CHECK-LABEL: f4:
; CHECK: veslh %v24, %v26, 0(%r2)
; CHECK: br %r14
  %truncshift = trunc i32 %shift to i16
  %shiftvec = insertelement <8 x i16> undef, i16 %truncshift, i32 0
  %val2 = shufflevector <8 x i16> %shiftvec, <8 x i16> undef,
                        <8 x i32> zeroinitializer
  %ret = shl <8 x i16> %val1, %val2
  ret <8 x i16> %ret
}

; Test a v8i16 shift by the lowest useful constant.
define <8 x i16> @f5(<8 x i16> %dummy, <8 x i16> %val) {
; CHECK-LABEL: f5:
; CHECK: veslh %v24, %v26, 1
; CHECK: br %r14
  %ret = shl <8 x i16> %val, <i16 1, i16 1, i16 1, i16 1,
                              i16 1, i16 1, i16 1, i16 1>
  ret <8 x i16> %ret
}

; Test a v8i16 shift by the highest useful constant.
define <8 x i16> @f6(<8 x i16> %dummy, <8 x i16> %val) {
; CHECK-LABEL: f6:
; CHECK: veslh %v24, %v26, 15
; CHECK: br %r14
  %ret = shl <8 x i16> %val, <i16 15, i16 15, i16 15, i16 15,
                              i16 15, i16 15, i16 15, i16 15>
  ret <8 x i16> %ret
}

; Test a v4i32 shift by a variable.
define <4 x i32> @f7(<4 x i32> %dummy, <4 x i32> %val1, i32 %shift) {
; CHECK-LABEL: f7:
; CHECK: veslf %v24, %v26, 0(%r2)
; CHECK: br %r14
  %shiftvec = insertelement <4 x i32> undef, i32 %shift, i32 0
  %val2 = shufflevector <4 x i32> %shiftvec, <4 x i32> undef,
                        <4 x i32> zeroinitializer
  %ret = shl <4 x i32> %val1, %val2
  ret <4 x i32> %ret
}

; Test a v4i32 shift by the lowest useful constant.
define <4 x i32> @f8(<4 x i32> %dummy, <4 x i32> %val) {
; CHECK-LABEL: f8:
; CHECK: veslf %v24, %v26, 1
; CHECK: br %r14
  %ret = shl <4 x i32> %val, <i32 1, i32 1, i32 1, i32 1>
  ret <4 x i32> %ret
}

; Test a v4i32 shift by the highest useful constant.
define <4 x i32> @f9(<4 x i32> %dummy, <4 x i32> %val) {
; CHECK-LABEL: f9:
; CHECK: veslf %v24, %v26, 31
; CHECK: br %r14
  %ret = shl <4 x i32> %val, <i32 31, i32 31, i32 31, i32 31>
  ret <4 x i32> %ret
}

; Test a v2i64 shift by a variable.
define <2 x i64> @f10(<2 x i64> %dummy, <2 x i64> %val1, i32 %shift) {
; CHECK-LABEL: f10:
; CHECK: veslg %v24, %v26, 0(%r2)
; CHECK: br %r14
  %extshift = sext i32 %shift to i64
  %shiftvec = insertelement <2 x i64> undef, i64 %extshift, i32 0
  %val2 = shufflevector <2 x i64> %shiftvec, <2 x i64> undef,
                        <2 x i32> zeroinitializer
  %ret = shl <2 x i64> %val1, %val2
  ret <2 x i64> %ret
}

; Test a v2i64 shift by the lowest useful constant.
define <2 x i64> @f11(<2 x i64> %dummy, <2 x i64> %val) {
; CHECK-LABEL: f11:
; CHECK: veslg %v24, %v26, 1
; CHECK: br %r14
  %ret = shl <2 x i64> %val, <i64 1, i64 1>
  ret <2 x i64> %ret
}

; Test a v2i64 shift by the highest useful constant.
define <2 x i64> @f12(<2 x i64> %dummy, <2 x i64> %val) {
; CHECK-LABEL: f12:
; CHECK: veslg %v24, %v26, 63
; CHECK: br %r14
  %ret = shl <2 x i64> %val, <i64 63, i64 63>
  ret <2 x i64> %ret
}