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
|
; RUN: llc < %s -asm-verbose=0 -mtriple=arm64-eabi -mattr=+bf16 | FileCheck %s
; RUN: llc < %s -asm-verbose=0 -mtriple=aarch64-eabi -mattr=+bf16 | FileCheck %s
; test argument passing and simple load/store
define bfloat @test_load(bfloat* %p) nounwind {
; CHECK-LABEL: test_load:
; CHECK-NEXT: ldr h0, [x0]
; CHECK-NEXT: ret
%tmp1 = load bfloat, bfloat* %p, align 16
ret bfloat %tmp1
}
define <4 x bfloat> @test_vec_load(<4 x bfloat>* %p) nounwind {
; CHECK-LABEL: test_vec_load:
; CHECK-NEXT: ldr d0, [x0]
; CHECK-NEXT: ret
%tmp1 = load <4 x bfloat>, <4 x bfloat>* %p, align 16
ret <4 x bfloat> %tmp1
}
define void @test_store(bfloat* %a, bfloat %b) nounwind {
; CHECK-LABEL: test_store:
; CHECK-NEXT: str h0, [x0]
; CHECK-NEXT: ret
store bfloat %b, bfloat* %a, align 16
ret void
}
; Simple store of v4bf16
define void @test_vec_store(<4 x bfloat>* %a, <4 x bfloat> %b) nounwind {
; CHECK-LABEL: test_vec_store:
; CHECK-NEXT: str d0, [x0]
; CHECK-NEXT: ret
entry:
store <4 x bfloat> %b, <4 x bfloat>* %a, align 16
ret void
}
define <8 x bfloat> @test_build_vector_const() {
; CHECK-LABEL: test_build_vector_const:
; CHECK: mov [[TMP:w[0-9]+]], #16256
; CHECK: dup v0.8h, [[TMP]]
ret <8 x bfloat> <bfloat 0xR3F80, bfloat 0xR3F80, bfloat 0xR3F80, bfloat 0xR3F80, bfloat 0xR3F80, bfloat 0xR3F80, bfloat 0xR3F80, bfloat 0xR3F80>
}
define { bfloat, bfloat* } @test_store_post(bfloat %val, bfloat* %ptr) {
; CHECK-LABEL: test_store_post:
; CHECK: str h0, [x0], #2
store bfloat %val, bfloat* %ptr
%res.tmp = insertvalue { bfloat, bfloat* } undef, bfloat %val, 0
%next = getelementptr bfloat, bfloat* %ptr, i32 1
%res = insertvalue { bfloat, bfloat* } %res.tmp, bfloat* %next, 1
ret { bfloat, bfloat* } %res
}
define { <4 x bfloat>, <4 x bfloat>* } @test_store_post_v4bf16(<4 x bfloat> %val, <4 x bfloat>* %ptr) {
; CHECK-LABEL: test_store_post_v4bf16:
; CHECK: str d0, [x0], #8
store <4 x bfloat> %val, <4 x bfloat>* %ptr
%res.tmp = insertvalue { <4 x bfloat>, <4 x bfloat>* } undef, <4 x bfloat> %val, 0
%next = getelementptr <4 x bfloat>, <4 x bfloat>* %ptr, i32 1
%res = insertvalue { <4 x bfloat>, <4 x bfloat>* } %res.tmp, <4 x bfloat>* %next, 1
ret { <4 x bfloat>, <4 x bfloat>* } %res
}
define { <8 x bfloat>, <8 x bfloat>* } @test_store_post_v8bf16(<8 x bfloat> %val, <8 x bfloat>* %ptr) {
; CHECK-LABEL: test_store_post_v8bf16:
; CHECK: str q0, [x0], #16
store <8 x bfloat> %val, <8 x bfloat>* %ptr
%res.tmp = insertvalue { <8 x bfloat>, <8 x bfloat>* } undef, <8 x bfloat> %val, 0
%next = getelementptr <8 x bfloat>, <8 x bfloat>* %ptr, i32 1
%res = insertvalue { <8 x bfloat>, <8 x bfloat>* } %res.tmp, <8 x bfloat>* %next, 1
ret { <8 x bfloat>, <8 x bfloat>* } %res
}
define bfloat @test_bitcast_halftobfloat(half %a) nounwind {
; CHECK-LABEL: test_bitcast_halftobfloat:
; CHECK-NEXT: ret
%r = bitcast half %a to bfloat
ret bfloat %r
}
define half @test_bitcast_bfloattohalf(bfloat %a) nounwind {
; CHECK-LABEL: test_bitcast_bfloattohalf:
; CHECK-NEXT: ret
%r = bitcast bfloat %a to half
ret half %r
}
|
