File: vsplats-fp.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (126 lines) | stat: -rw-r--r-- 4,737 bytes parent folder | download | duplicates (3)
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
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+f,+d,+zfh,+v -target-abi ilp32d -verify-machineinstrs < %s \
; RUN:   | FileCheck %s --check-prefix=RV32V
; RUN: llc -mtriple=riscv64 -mattr=+f,+d,+zfh,+v -target-abi lp64d -verify-machineinstrs < %s \
; RUN:   | FileCheck %s --check-prefix=RV64V

define <vscale x 8 x half> @vsplat_nxv8f16(half %f) {
; RV32V-LABEL: vsplat_nxv8f16:
; RV32V:       # %bb.0:
; RV32V-NEXT:    vsetvli a0, zero, e16, m2, ta, mu
; RV32V-NEXT:    vfmv.v.f v8, fa0
; RV32V-NEXT:    ret
;
; RV64V-LABEL: vsplat_nxv8f16:
; RV64V:       # %bb.0:
; RV64V-NEXT:    vsetvli a0, zero, e16, m2, ta, mu
; RV64V-NEXT:    vfmv.v.f v8, fa0
; RV64V-NEXT:    ret
  %head = insertelement <vscale x 8 x half> poison, half %f, i32 0
  %splat = shufflevector <vscale x 8 x half> %head, <vscale x 8 x half> poison, <vscale x 8 x i32> zeroinitializer
  ret <vscale x 8 x half> %splat
}

define <vscale x 8 x half> @vsplat_zero_nxv8f16() {
; RV32V-LABEL: vsplat_zero_nxv8f16:
; RV32V:       # %bb.0:
; RV32V-NEXT:    vsetvli a0, zero, e16, m2, ta, mu
; RV32V-NEXT:    vmv.v.i v8, 0
; RV32V-NEXT:    ret
;
; RV64V-LABEL: vsplat_zero_nxv8f16:
; RV64V:       # %bb.0:
; RV64V-NEXT:    vsetvli a0, zero, e16, m2, ta, mu
; RV64V-NEXT:    vmv.v.i v8, 0
; RV64V-NEXT:    ret
  %head = insertelement <vscale x 8 x half> poison, half zeroinitializer, i32 0
  %splat = shufflevector <vscale x 8 x half> %head, <vscale x 8 x half> poison, <vscale x 8 x i32> zeroinitializer
  ret <vscale x 8 x half> %splat
}

define <vscale x 8 x float> @vsplat_nxv8f32(float %f) {
; RV32V-LABEL: vsplat_nxv8f32:
; RV32V:       # %bb.0:
; RV32V-NEXT:    vsetvli a0, zero, e32, m4, ta, mu
; RV32V-NEXT:    vfmv.v.f v8, fa0
; RV32V-NEXT:    ret
;
; RV64V-LABEL: vsplat_nxv8f32:
; RV64V:       # %bb.0:
; RV64V-NEXT:    vsetvli a0, zero, e32, m4, ta, mu
; RV64V-NEXT:    vfmv.v.f v8, fa0
; RV64V-NEXT:    ret
  %head = insertelement <vscale x 8 x float> poison, float %f, i32 0
  %splat = shufflevector <vscale x 8 x float> %head, <vscale x 8 x float> poison, <vscale x 8 x i32> zeroinitializer
  ret <vscale x 8 x float> %splat
}

define <vscale x 8 x float> @vsplat_zero_nxv8f32() {
; RV32V-LABEL: vsplat_zero_nxv8f32:
; RV32V:       # %bb.0:
; RV32V-NEXT:    vsetvli a0, zero, e32, m4, ta, mu
; RV32V-NEXT:    vmv.v.i v8, 0
; RV32V-NEXT:    ret
;
; RV64V-LABEL: vsplat_zero_nxv8f32:
; RV64V:       # %bb.0:
; RV64V-NEXT:    vsetvli a0, zero, e32, m4, ta, mu
; RV64V-NEXT:    vmv.v.i v8, 0
; RV64V-NEXT:    ret
  %head = insertelement <vscale x 8 x float> poison, float zeroinitializer, i32 0
  %splat = shufflevector <vscale x 8 x float> %head, <vscale x 8 x float> poison, <vscale x 8 x i32> zeroinitializer
  ret <vscale x 8 x float> %splat
}

define <vscale x 8 x double> @vsplat_nxv8f64(double %f) {
; RV32V-LABEL: vsplat_nxv8f64:
; RV32V:       # %bb.0:
; RV32V-NEXT:    vsetvli a0, zero, e64, m8, ta, mu
; RV32V-NEXT:    vfmv.v.f v8, fa0
; RV32V-NEXT:    ret
;
; RV64V-LABEL: vsplat_nxv8f64:
; RV64V:       # %bb.0:
; RV64V-NEXT:    vsetvli a0, zero, e64, m8, ta, mu
; RV64V-NEXT:    vfmv.v.f v8, fa0
; RV64V-NEXT:    ret
  %head = insertelement <vscale x 8 x double> poison, double %f, i32 0
  %splat = shufflevector <vscale x 8 x double> %head, <vscale x 8 x double> poison, <vscale x 8 x i32> zeroinitializer
  ret <vscale x 8 x double> %splat
}

define <vscale x 8 x double> @vsplat_zero_nxv8f64() {
; RV32V-LABEL: vsplat_zero_nxv8f64:
; RV32V:       # %bb.0:
; RV32V-NEXT:    vsetvli a0, zero, e64, m8, ta, mu
; RV32V-NEXT:    vmv.v.i v8, 0
; RV32V-NEXT:    ret
;
; RV64V-LABEL: vsplat_zero_nxv8f64:
; RV64V:       # %bb.0:
; RV64V-NEXT:    vsetvli a0, zero, e64, m8, ta, mu
; RV64V-NEXT:    vmv.v.i v8, 0
; RV64V-NEXT:    ret
  %head = insertelement <vscale x 8 x double> poison, double zeroinitializer, i32 0
  %splat = shufflevector <vscale x 8 x double> %head, <vscale x 8 x double> poison, <vscale x 8 x i32> zeroinitializer
  ret <vscale x 8 x double> %splat
}

; Test that we fold this to a vlse with 0 stride.
define <vscale x 8 x float> @vsplat_load_nxv8f32(float* %ptr) {
; RV32V-LABEL: vsplat_load_nxv8f32:
; RV32V:       # %bb.0:
; RV32V-NEXT:    vsetvli a1, zero, e32, m4, ta, mu
; RV32V-NEXT:    vlse32.v v8, (a0), zero
; RV32V-NEXT:    ret
;
; RV64V-LABEL: vsplat_load_nxv8f32:
; RV64V:       # %bb.0:
; RV64V-NEXT:    vsetvli a1, zero, e32, m4, ta, mu
; RV64V-NEXT:    vlse32.v v8, (a0), zero
; RV64V-NEXT:    ret
  %f = load float, float* %ptr
  %head = insertelement <vscale x 8 x float> poison, float %f, i32 0
  %splat = shufflevector <vscale x 8 x float> %head, <vscale x 8 x float> poison, <vscale x 8 x i32> zeroinitializer
  ret <vscale x 8 x float> %splat
}