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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -O0 -mtriple=aarch64-unknown-unknown | FileCheck %s
; Function Attrs: nobuiltin nounwind readonly
define i8 @popcount128(i128* nocapture nonnull readonly %0) {
; CHECK-LABEL: popcount128:
; CHECK: // %bb.0: // %Entry
; CHECK-NEXT: ldr x8, [x0, #8]
; CHECK-NEXT: ldr d1, [x0]
; CHECK-NEXT: // implicit-def: $q0
; CHECK-NEXT: mov v0.16b, v1.16b
; CHECK-NEXT: mov v0.d[1], x8
; CHECK-NEXT: cnt v0.16b, v0.16b
; CHECK-NEXT: uaddlv h1, v0.16b
; CHECK-NEXT: // implicit-def: $q0
; CHECK-NEXT: mov v0.16b, v1.16b
; CHECK-NEXT: fmov w0, s0
; CHECK-NEXT: ret
Entry:
%1 = load i128, i128* %0, align 16
%2 = tail call i128 @llvm.ctpop.i128(i128 %1)
%3 = trunc i128 %2 to i8
ret i8 %3
}
; Function Attrs: nounwind readnone speculatable willreturn
declare i128 @llvm.ctpop.i128(i128)
; Function Attrs: nobuiltin nounwind readonly
define i16 @popcount256(i256* nocapture nonnull readonly %0) {
; CHECK-LABEL: popcount256:
; CHECK: // %bb.0: // %Entry
; CHECK-NEXT: ldr x8, [x0, #8]
; CHECK-NEXT: ldr x9, [x0, #24]
; CHECK-NEXT: ldr d1, [x0, #16]
; CHECK-NEXT: // implicit-def: $q0
; CHECK-NEXT: mov v0.16b, v1.16b
; CHECK-NEXT: mov v0.d[1], x9
; CHECK-NEXT: cnt v0.16b, v0.16b
; CHECK-NEXT: uaddlv h1, v0.16b
; CHECK-NEXT: // implicit-def: $q0
; CHECK-NEXT: mov v0.16b, v1.16b
; CHECK-NEXT: fmov w9, s0
; CHECK-NEXT: ldr d1, [x0]
; CHECK-NEXT: // implicit-def: $q0
; CHECK-NEXT: mov v0.16b, v1.16b
; CHECK-NEXT: mov v0.d[1], x8
; CHECK-NEXT: cnt v0.16b, v0.16b
; CHECK-NEXT: uaddlv h1, v0.16b
; CHECK-NEXT: // implicit-def: $q0
; CHECK-NEXT: mov v0.16b, v1.16b
; CHECK-NEXT: fmov w8, s0
; CHECK-NEXT: add w0, w8, w9
; CHECK-NEXT: ret
Entry:
%1 = load i256, i256* %0, align 16
%2 = tail call i256 @llvm.ctpop.i256(i256 %1)
%3 = trunc i256 %2 to i16
ret i16 %3
}
; Function Attrs: nounwind readnone speculatable willreturn
declare i256 @llvm.ctpop.i256(i256)
define <1 x i128> @popcount1x128(<1 x i128> %0) {
; CHECK-LABEL: popcount1x128:
; CHECK: // %bb.0: // %Entry
; CHECK-NEXT: // implicit-def: $q0
; CHECK-NEXT: fmov d0, x0
; CHECK-NEXT: mov v0.d[1], x1
; CHECK-NEXT: cnt v0.16b, v0.16b
; CHECK-NEXT: uaddlv h1, v0.16b
; CHECK-NEXT: // implicit-def: $q0
; CHECK-NEXT: mov v0.16b, v1.16b
; CHECK-NEXT: fmov w0, s0
; CHECK-NEXT: // kill: def $x0 killed $w0
; CHECK-NEXT: movi v0.2d, #0000000000000000
; CHECK-NEXT: mov x1, v0.d[1]
; CHECK-NEXT: ret
Entry:
%1 = tail call <1 x i128> @llvm.ctpop.v1.i128(<1 x i128> %0)
ret <1 x i128> %1
}
declare <1 x i128> @llvm.ctpop.v1.i128(<1 x i128>)
|
