File: sve-fptrunc-store.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.6-3
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,245,028 kB
  • sloc: cpp: 7,619,726; ansic: 1,434,018; asm: 1,058,748; python: 252,740; f90: 94,671; objc: 70,685; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,675; awk: 3,523; javascript: 2,409; xml: 892; fortran: 770
file content (86 lines) | stat: -rw-r--r-- 2,839 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
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64--linux-gnu -mattr=+sve < %s | FileCheck %s

define void @fptrunc2_f64_f32(ptr %dst, ptr %src) {
; CHECK-LABEL: fptrunc2_f64_f32:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ldr z0, [x1]
; CHECK-NEXT:    ptrue p0.d
; CHECK-NEXT:    fcvt z0.s, p0/m, z0.d
; CHECK-NEXT:    st1w { z0.d }, p0, [x0]
; CHECK-NEXT:    ret
entry:
  %0 = load <vscale x 2 x double>, ptr %src, align 8
  %1 = fptrunc <vscale x 2 x double> %0 to <vscale x 2 x float>
  store <vscale x 2 x float> %1, ptr %dst, align 4
  ret void
}

define void @fptrunc2_f64_f16(ptr %dst, ptr %src) {
; CHECK-LABEL: fptrunc2_f64_f16:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ldr z0, [x1]
; CHECK-NEXT:    ptrue p0.d
; CHECK-NEXT:    fcvt z0.h, p0/m, z0.d
; CHECK-NEXT:    st1h { z0.d }, p0, [x0]
; CHECK-NEXT:    ret
entry:
  %0 = load <vscale x 2 x double>, ptr %src, align 8
  %1 = fptrunc <vscale x 2 x double> %0 to <vscale x 2 x half>
  store <vscale x 2 x half> %1, ptr %dst, align 2
  ret void
}

define void @fptrunc4_f32_f16(ptr %dst, ptr %src) {
; CHECK-LABEL: fptrunc4_f32_f16:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ldr z0, [x1]
; CHECK-NEXT:    ptrue p0.s
; CHECK-NEXT:    fcvt z0.h, p0/m, z0.s
; CHECK-NEXT:    st1h { z0.s }, p0, [x0]
; CHECK-NEXT:    ret
entry:
  %0 = load <vscale x 4 x float>, ptr %src, align 8
  %1 = fptrunc <vscale x 4 x float> %0 to <vscale x 4 x half>
  store <vscale x 4 x half> %1, ptr %dst, align 2
  ret void
}

define void @fptrunc2_f32_f16(ptr %dst, ptr %src) {
; CHECK-LABEL: fptrunc2_f32_f16:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ptrue p0.d
; CHECK-NEXT:    ld1w { z0.d }, p0/z, [x1]
; CHECK-NEXT:    fcvt z0.h, p0/m, z0.s
; CHECK-NEXT:    st1h { z0.d }, p0, [x0]
; CHECK-NEXT:    ret
entry:
  %0 = load <vscale x 2 x float>, ptr %src, align 8
  %1 = fptrunc <vscale x 2 x float> %0 to <vscale x 2 x half>
  store <vscale x 2 x half> %1, ptr %dst, align 2
  ret void
}

define void @fptrunc8_f64_f16(ptr %dst, ptr %src) {
; CHECK-LABEL: fptrunc8_f64_f16:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    ldr z0, [x1, #3, mul vl]
; CHECK-NEXT:    ldr z1, [x1]
; CHECK-NEXT:    ptrue p0.d
; CHECK-NEXT:    ldr z2, [x1, #1, mul vl]
; CHECK-NEXT:    ldr z3, [x1, #2, mul vl]
; CHECK-NEXT:    fcvt z0.h, p0/m, z0.d
; CHECK-NEXT:    fcvt z1.h, p0/m, z1.d
; CHECK-NEXT:    fcvt z3.h, p0/m, z3.d
; CHECK-NEXT:    fcvt z2.h, p0/m, z2.d
; CHECK-NEXT:    uzp1 z0.s, z3.s, z0.s
; CHECK-NEXT:    uzp1 z1.s, z1.s, z2.s
; CHECK-NEXT:    uzp1 z0.h, z1.h, z0.h
; CHECK-NEXT:    str z0, [x0]
; CHECK-NEXT:    ret
entry:
  %0 = load <vscale x 8 x double>, ptr %src, align 8
  %1 = fptrunc <vscale x 8 x double> %0 to <vscale x 8 x half>
  store <vscale x 8 x half> %1, ptr %dst, align 2
  ret void
}