summaryrefslogtreecommitdiff
path: root/test/CodeGen/ARM/vector-extend-narrow.ll
blob: f3218969c78e94ac6c1638c6e0fa04b061f15952 (plain)
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
; RUN: llc -mtriple armv7 %s -o - | FileCheck %s

; CHECK-LABEL: f:
define float @f(<4 x i16>* nocapture %in) {
  ; CHECK: vldr
  ; CHECK: vmovl.u16
  %1 = load <4 x i16>* %in
  ; CHECK: vcvt.f32.u32
  %2 = uitofp <4 x i16> %1 to <4 x float>
  %3 = extractelement <4 x float> %2, i32 0
  %4 = extractelement <4 x float> %2, i32 1
  %5 = extractelement <4 x float> %2, i32 2

  ; CHECK: vadd.f32
  %6 = fadd float %3, %4
  %7 = fadd float %6, %5

  ret float %7
}

; CHECK-LABEL: g:
define float @g(<4 x i8>* nocapture %in) {
; Note: vld1 here is reasonably important. Mixing VFP and NEON
; instructions is bad on some cores
  ; CHECK: vld1
  ; CHECK: vmovl.u8
  ; CHECK: vmovl.u16
  %1 = load <4 x i8>* %in
  ; CHECK: vcvt.f32.u32
  %2 = uitofp <4 x i8> %1 to <4 x float>
  %3 = extractelement <4 x float> %2, i32 0
  %4 = extractelement <4 x float> %2, i32 1
  %5 = extractelement <4 x float> %2, i32 2

  ; CHECK: vadd.f32
  %6 = fadd float %3, %4
  %7 = fadd float %6, %5

  ret float %7
}

; CHECK-LABEL: h:
define <4 x i8> @h(<4 x float> %v) {
  ; CHECK: vcvt.{{[us]}}32.f32
  ; CHECK: vmovn.i32
  %1 = fptoui <4 x float> %v to <4 x i8>
  ret <4 x i8> %1
}

; CHECK-LABEL: i:
define <4 x i8> @i(<4 x i8>* %x) {
; Note: vld1 here is reasonably important. Mixing VFP and NEON
; instructions is bad on some cores
  ; CHECK: vld1
  ; CHECK: vmovl.s8
  ; CHECK: vmovl.s16
  ; CHECK: vrecpe
  ; CHECK: vrecps
  ; CHECK: vmul
  ; CHECK: vmovn
  %1 = load <4 x i8>* %x, align 4
  %2 = sdiv <4 x i8> zeroinitializer, %1
  ret <4 x i8> %2
}
; CHECK-LABEL: j:
define <4 x i32> @j(<4 x i8>* %in) nounwind {
  ; CHECK: vld1
  ; CHECK: vmovl.u8
  ; CHECK: vmovl.u16
  ; CHECK-NOT: vand
  %1 = load <4 x i8>* %in, align 4
  %2 = zext <4 x i8> %1 to <4 x i32>
  ret <4 x i32> %2
}