File: splat-vectors.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (107 lines) | stat: -rw-r--r-- 4,640 bytes parent folder | download | duplicates (6)
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
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+v,+d,+zfh,+zvfh -verify-machineinstrs < %s | FileCheck %s
; RUN: llc -mtriple=riscv64 -mattr=+v,+d,+zfh,+zvfh -verify-machineinstrs < %s | FileCheck %s

define <vscale x 4 x i32> @splat_c3_nxv4i32(<vscale x 4 x i32> %v) {
; CHECK-LABEL: splat_c3_nxv4i32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli a0, zero, e32, m2, ta, ma
; CHECK-NEXT:    vrgather.vi v10, v8, 3
; CHECK-NEXT:    vmv.v.v v8, v10
; CHECK-NEXT:    ret
  %x = extractelement <vscale x 4 x i32> %v, i32 3
  %ins = insertelement <vscale x 4 x i32> poison, i32 %x, i32 0
  %splat = shufflevector <vscale x 4 x i32> %ins, <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
  ret <vscale x 4 x i32> %splat
}

define <vscale x 4 x i32> @splat_idx_nxv4i32(<vscale x 4 x i32> %v, i64 %idx) {
; CHECK-LABEL: splat_idx_nxv4i32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli a1, zero, e32, m2, ta, ma
; CHECK-NEXT:    vrgather.vx v10, v8, a0
; CHECK-NEXT:    vmv.v.v v8, v10
; CHECK-NEXT:    ret
  %x = extractelement <vscale x 4 x i32> %v, i64 %idx
  %ins = insertelement <vscale x 4 x i32> poison, i32 %x, i32 0
  %splat = shufflevector <vscale x 4 x i32> %ins, <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
  ret <vscale x 4 x i32> %splat
}

define <vscale x 8 x i16> @splat_c4_nxv8i16(<vscale x 8 x i16> %v) {
; CHECK-LABEL: splat_c4_nxv8i16:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli a0, zero, e16, m2, ta, ma
; CHECK-NEXT:    vrgather.vi v10, v8, 4
; CHECK-NEXT:    vmv.v.v v8, v10
; CHECK-NEXT:    ret
  %x = extractelement <vscale x 8 x i16> %v, i32 4
  %ins = insertelement <vscale x 8 x i16> poison, i16 %x, i32 0
  %splat = shufflevector <vscale x 8 x i16> %ins, <vscale x 8 x i16> poison, <vscale x 8 x i32> zeroinitializer
  ret <vscale x 8 x i16> %splat
}

define <vscale x 8 x i16> @splat_idx_nxv8i16(<vscale x 8 x i16> %v, i64 %idx) {
; CHECK-LABEL: splat_idx_nxv8i16:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli a1, zero, e16, m2, ta, ma
; CHECK-NEXT:    vrgather.vx v10, v8, a0
; CHECK-NEXT:    vmv.v.v v8, v10
; CHECK-NEXT:    ret
  %x = extractelement <vscale x 8 x i16> %v, i64 %idx
  %ins = insertelement <vscale x 8 x i16> poison, i16 %x, i32 0
  %splat = shufflevector <vscale x 8 x i16> %ins, <vscale x 8 x i16> poison, <vscale x 8 x i32> zeroinitializer
  ret <vscale x 8 x i16> %splat
}

define <vscale x 2 x half> @splat_c1_nxv2f16(<vscale x 2 x half> %v) {
; CHECK-LABEL: splat_c1_nxv2f16:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli a0, zero, e16, mf2, ta, ma
; CHECK-NEXT:    vrgather.vi v9, v8, 1
; CHECK-NEXT:    vmv1r.v v8, v9
; CHECK-NEXT:    ret
  %x = extractelement <vscale x 2 x half> %v, i32 1
  %ins = insertelement <vscale x 2 x half> poison, half %x, i32 0
  %splat = shufflevector <vscale x 2 x half> %ins, <vscale x 2 x half> poison, <vscale x 2 x i32> zeroinitializer
  ret <vscale x 2 x half> %splat
}

define <vscale x 2 x half> @splat_idx_nxv2f16(<vscale x 2 x half> %v, i64 %idx) {
; CHECK-LABEL: splat_idx_nxv2f16:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli a1, zero, e16, mf2, ta, ma
; CHECK-NEXT:    vrgather.vx v9, v8, a0
; CHECK-NEXT:    vmv1r.v v8, v9
; CHECK-NEXT:    ret
  %x = extractelement <vscale x 2 x half> %v, i64 %idx
  %ins = insertelement <vscale x 2 x half> poison, half %x, i32 0
  %splat = shufflevector <vscale x 2 x half> %ins, <vscale x 2 x half> poison, <vscale x 2 x i32> zeroinitializer
  ret <vscale x 2 x half> %splat
}

define <vscale x 4 x float> @splat_c3_nxv4f32(<vscale x 4 x float> %v) {
; CHECK-LABEL: splat_c3_nxv4f32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli a0, zero, e32, m2, ta, ma
; CHECK-NEXT:    vrgather.vi v10, v8, 3
; CHECK-NEXT:    vmv.v.v v8, v10
; CHECK-NEXT:    ret
  %x = extractelement <vscale x 4 x float> %v, i64 3
  %ins = insertelement <vscale x 4 x float> poison, float %x, i32 0
  %splat = shufflevector <vscale x 4 x float> %ins, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
  ret <vscale x 4 x float> %splat
}

define <vscale x 4 x float> @splat_idx_nxv4f32(<vscale x 4 x float> %v, i64 %idx) {
; CHECK-LABEL: splat_idx_nxv4f32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vsetvli a1, zero, e32, m2, ta, ma
; CHECK-NEXT:    vrgather.vx v10, v8, a0
; CHECK-NEXT:    vmv.v.v v8, v10
; CHECK-NEXT:    ret
  %x = extractelement <vscale x 4 x float> %v, i64 %idx
  %ins = insertelement <vscale x 4 x float> poison, float %x, i32 0
  %splat = shufflevector <vscale x 4 x float> %ins, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
  ret <vscale x 4 x float> %splat
}