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
; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sve < %s | FileCheck %s

;; Splats of legal integer vector types

define <vscale x 16 x i8> @sve_splat_16xi8(i8 %val) {
; CHECK-LABEL: @sve_splat_16xi8
; CHECK: mov z0.b, w0
; CHECK-NEXT: ret
  %ins = insertelement <vscale x 16 x i8> undef, i8 %val, i32 0
  %splat = shufflevector <vscale x 16 x i8> %ins, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
  ret <vscale x 16 x i8> %splat
}

define <vscale x 8 x i16> @sve_splat_8xi16(i16 %val) {
; CHECK-LABEL: @sve_splat_8xi16
; CHECK: mov z0.h, w0
; CHECK-NEXT: ret
  %ins = insertelement <vscale x 8 x i16> undef, i16 %val, i32 0
  %splat = shufflevector <vscale x 8 x i16> %ins, <vscale x 8 x i16> undef, <vscale x 8 x i32> zeroinitializer
  ret <vscale x 8 x i16> %splat
}

define <vscale x 4 x i32> @sve_splat_4xi32(i32 %val) {
; CHECK-LABEL: @sve_splat_4xi32
; CHECK: mov z0.s, w0
; CHECK-NEXT: ret
  %ins = insertelement <vscale x 4 x i32> undef, i32 %val, i32 0
  %splat = shufflevector <vscale x 4 x i32> %ins, <vscale x 4 x i32> undef, <vscale x 4 x i32> zeroinitializer
  ret <vscale x 4 x i32> %splat
}

define <vscale x 2 x i64> @sve_splat_2xi64(i64 %val) {
; CHECK-LABEL: @sve_splat_2xi64
; CHECK: mov z0.d, x0
; CHECK-NEXT: ret
  %ins = insertelement <vscale x 2 x i64> undef, i64 %val, i32 0
  %splat = shufflevector <vscale x 2 x i64> %ins, <vscale x 2 x i64> undef, <vscale x 2 x i32> zeroinitializer
  ret <vscale x 2 x i64> %splat
}

;; Promote splats of smaller illegal integer vector types

define <vscale x 2 x i8> @sve_splat_2xi8(i8 %val) {
; CHECK-LABEL: @sve_splat_2xi8
; CHECK: mov z0.d, x0
; CHECK-NEXT: ret
  %ins = insertelement <vscale x 2 x i8> undef, i8 %val, i32 0
  %splat = shufflevector <vscale x 2 x i8> %ins, <vscale x 2 x i8> undef, <vscale x 2 x i32> zeroinitializer
  ret <vscale x 2 x i8> %splat
}

define <vscale x 4 x i8> @sve_splat_4xi8(i8 %val) {
; CHECK-LABEL: @sve_splat_4xi8
; CHECK: mov z0.s, w0
; CHECK-NEXT: ret
  %ins = insertelement <vscale x 4 x i8> undef, i8 %val, i32 0
  %splat = shufflevector <vscale x 4 x i8> %ins, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
  ret <vscale x 4 x i8> %splat
}

define <vscale x 8 x i8> @sve_splat_8xi8(i8 %val) {
; CHECK-LABEL: @sve_splat_8xi8
; CHECK: mov z0.h, w0
; CHECK-NEXT: ret
  %ins = insertelement <vscale x 8 x i8> undef, i8 %val, i32 0
  %splat = shufflevector <vscale x 8 x i8> %ins, <vscale x 8 x i8> undef, <vscale x 8 x i32> zeroinitializer
  ret <vscale x 8 x i8> %splat
}

define <vscale x 2 x i16> @sve_splat_2xi16(i16 %val) {
; CHECK-LABEL: @sve_splat_2xi16
; CHECK: mov z0.d, x0
; CHECK-NEXT: ret
  %ins = insertelement <vscale x 2 x i16> undef, i16 %val, i32 0
  %splat = shufflevector <vscale x 2 x i16> %ins, <vscale x 2 x i16> undef, <vscale x 2 x i32> zeroinitializer
  ret <vscale x 2 x i16> %splat
}

define <vscale x 4 x i16> @sve_splat_4xi16(i16 %val) {
; CHECK-LABEL: @sve_splat_4xi16
; CHECK: mov z0.s, w0
; CHECK-NEXT: ret
  %ins = insertelement <vscale x 4 x i16> undef, i16 %val, i32 0
  %splat = shufflevector <vscale x 4 x i16> %ins, <vscale x 4 x i16> undef, <vscale x 4 x i32> zeroinitializer
  ret <vscale x 4 x i16> %splat
}

define <vscale x 2 x i32> @sve_splat_2xi32(i32 %val) {
; CHECK-LABEL: @sve_splat_2xi32
; CHECK: mov z0.d, x0
; CHECK-NEXT: ret
  %ins = insertelement <vscale x 2 x i32> undef, i32 %val, i32 0
  %splat = shufflevector <vscale x 2 x i32> %ins, <vscale x 2 x i32> undef, <vscale x 2 x i32> zeroinitializer
  ret <vscale x 2 x i32> %splat
}