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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64 -mattr=+sve < %s | FileCheck %s
;
; OR reductions
;
define i1 @reduce_or_insert_subvec_into_zero(<vscale x 4 x i1> %in) {
; CHECK-LABEL: reduce_or_insert_subvec_into_zero:
; CHECK: // %bb.0:
; CHECK-NEXT: ptrue p1.s
; CHECK-NEXT: ptest p1, p0.b
; CHECK-NEXT: cset w0, ne
; CHECK-NEXT: ret
%t = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv4i1(<vscale x 16 x i1> zeroinitializer, <vscale x 4 x i1> %in, i64 0)
%res = call i1 @llvm.vector.reduce.or.nxv16i1(<vscale x 16 x i1> %t)
ret i1 %res
}
define i1 @reduce_or_insert_subvec_into_poison(<vscale x 4 x i1> %in) {
; CHECK-LABEL: reduce_or_insert_subvec_into_poison:
; CHECK: // %bb.0:
; CHECK-NEXT: ptrue p1.s
; CHECK-NEXT: ptest p1, p0.b
; CHECK-NEXT: cset w0, ne
; CHECK-NEXT: ret
%t = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv4i1(<vscale x 16 x i1> poison, <vscale x 4 x i1> %in, i64 0)
%res = call i1 @llvm.vector.reduce.or.nxv16i1(<vscale x 16 x i1> %t)
ret i1 %res
}
define i1 @reduce_or_insert_subvec_into_nonzero(<vscale x 4 x i1> %in, <vscale x 16 x i1> %vec) {
; CHECK-LABEL: reduce_or_insert_subvec_into_nonzero:
; CHECK: // %bb.0:
; CHECK-NEXT: punpklo p2.h, p1.b
; CHECK-NEXT: punpkhi p1.h, p1.b
; CHECK-NEXT: punpkhi p2.h, p2.b
; CHECK-NEXT: uzp1 p0.h, p0.h, p2.h
; CHECK-NEXT: uzp1 p0.b, p0.b, p1.b
; CHECK-NEXT: ptest p0, p0.b
; CHECK-NEXT: cset w0, ne
; CHECK-NEXT: ret
%t = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv4i1(<vscale x 16 x i1> %vec, <vscale x 4 x i1> %in, i64 0)
%res = call i1 @llvm.vector.reduce.or.nxv16i1(<vscale x 16 x i1> %t)
ret i1 %res
}
;
; AND reductions
;
define i1 @reduce_and_insert_subvec_into_ones(<vscale x 4 x i1> %in) {
; CHECK-LABEL: reduce_and_insert_subvec_into_ones:
; CHECK: // %bb.0:
; CHECK-NEXT: ptrue p1.s
; CHECK-NEXT: nots p0.b, p1/z, p0.b
; CHECK-NEXT: cset w0, eq
; CHECK-NEXT: ret
%t = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv4i1(<vscale x 16 x i1> splat(i1 true), <vscale x 4 x i1> %in, i64 0)
%res = call i1 @llvm.vector.reduce.and.nxv16i1(<vscale x 16 x i1> %t)
ret i1 %res
}
define i1 @reduce_and_insert_subvec_into_poison(<vscale x 4 x i1> %in) {
; CHECK-LABEL: reduce_and_insert_subvec_into_poison:
; CHECK: // %bb.0:
; CHECK-NEXT: ptrue p1.s
; CHECK-NEXT: nots p0.b, p1/z, p0.b
; CHECK-NEXT: cset w0, eq
; CHECK-NEXT: ret
%t = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv4i1(<vscale x 16 x i1> poison, <vscale x 4 x i1> %in, i64 0)
%res = call i1 @llvm.vector.reduce.and.nxv16i1(<vscale x 16 x i1> %t)
ret i1 %res
}
define i1 @reduce_and_insert_subvec_into_var(<vscale x 4 x i1> %in, <vscale x 16 x i1> %vec) {
; CHECK-LABEL: reduce_and_insert_subvec_into_var:
; CHECK: // %bb.0:
; CHECK-NEXT: punpklo p3.h, p1.b
; CHECK-NEXT: punpkhi p1.h, p1.b
; CHECK-NEXT: punpkhi p3.h, p3.b
; CHECK-NEXT: ptrue p2.b
; CHECK-NEXT: uzp1 p0.h, p0.h, p3.h
; CHECK-NEXT: uzp1 p0.b, p0.b, p1.b
; CHECK-NEXT: nots p0.b, p2/z, p0.b
; CHECK-NEXT: cset w0, eq
; CHECK-NEXT: ret
%t = call <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv4i1(<vscale x 16 x i1> %vec, <vscale x 4 x i1> %in, i64 0)
%res = call i1 @llvm.vector.reduce.and.nxv16i1(<vscale x 16 x i1> %t)
ret i1 %res
}
declare i1 @llvm.vector.reduce.and.nxv16i1(<vscale x 16 x i1>)
declare i1 @llvm.vector.reduce.or.nxv16i1(<vscale x 16 x i1>)
declare <vscale x 16 x i1> @llvm.vector.insert.nxv16i1.nxv4i1(<vscale x 16 x i1>, <vscale x 4 x i1>, i64)
|