half.ll
2.8 KB
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
; RUN: llc < %s -mtriple=thumbv7-apple-ios7.0 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-OLD
; RUN: llc < %s -mtriple=thumbv7s-apple-ios7.0 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-F16
; RUN: llc < %s -mtriple=thumbv8-apple-ios7.0 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V8
; RUN: llc < %s -mtriple=armv8r-none-none-eabi | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V8
; RUN: llc < %s -mtriple=armv8r-none-none-eabi -mattr=-fp64 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V8-SP
; RUN: llc < %s -mtriple=armv8.1m-none-none-eabi -mattr=+fp-armv8 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V8
; RUN: llc < %s -mtriple=armv8.1m-none-none-eabi -mattr=+fp-armv8,-fp64 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V8-SP
; RUN: llc < %s -mtriple=armv8.1m-none-none-eabi -mattr=+mve.fp,+fp64 | FileCheck %s --check-prefix=CHECK-V8
; RUN: llc < %s -mtriple=armv8.1m-none-none-eabi -mattr=+mve.fp | FileCheck %s --check-prefix=CHECK-V8-SP
define void @test_load_store(half* %in, half* %out) {
; CHECK-LABEL: test_load_store:
; CHECK: ldrh [[TMP:r[0-9]+]], [r0]
; CHECK: strh [[TMP]], [r1]
%val = load half, half* %in
store half %val, half* %out
ret void
}
define i16 @test_bitcast_from_half(half* %addr) {
; CHECK-LABEL: test_bitcast_from_half:
; CHECK: ldrh r0, [r0]
%val = load half, half* %addr
%val_int = bitcast half %val to i16
ret i16 %val_int
}
define void @test_bitcast_to_half(half* %addr, i16 %in) {
; CHECK-LABEL: test_bitcast_to_half:
; CHECK: strh r1, [r0]
%val_fp = bitcast i16 %in to half
store half %val_fp, half* %addr
ret void
}
define float @test_extend32(half* %addr) {
; CHECK-LABEL: test_extend32:
; CHECK-OLD: b.w ___extendhfsf2
; CHECK-F16: vcvtb.f32.f16
; CHECK-V8: vcvtb.f32.f16
; CHECK-V8-SP: vcvtb.f32.f16
%val16 = load half, half* %addr
%val32 = fpext half %val16 to float
ret float %val32
}
define double @test_extend64(half* %addr) {
; CHECK-LABEL: test_extend64:
; CHECK-OLD: bl ___extendhfsf2
; CHECK-OLD: vcvt.f64.f32
; CHECK-F16: vcvtb.f32.f16
; CHECK-F16: vcvt.f64.f32
; CHECK-V8: vcvtb.f64.f16
; CHECK-V8-SP: vcvtb.f32.f16
; CHECK-V8-SP: bl __aeabi_f2d
%val16 = load half, half* %addr
%val32 = fpext half %val16 to double
ret double %val32
}
define void @test_trunc32(float %in, half* %addr) {
; CHECK-LABEL: test_trunc32:
; CHECK-OLD: bl ___truncsfhf2
; CHECK-F16: vcvtb.f16.f32
; CHECK-V8: vcvtb.f16.f32
; CHECK-V8-SP: vcvtb.f16.f32
%val16 = fptrunc float %in to half
store half %val16, half* %addr
ret void
}
define void @test_trunc64(double %in, half* %addr) {
; CHECK-LABEL: test_trunc64:
; CHECK-OLD: bl ___truncdfhf2
; CHECK-F16: bl ___truncdfhf2
; CHECK-V8: vcvtb.f16.f64
; CHECK-V8-SP: bl __aeabi_d2h
%val16 = fptrunc double %in to half
store half %val16, half* %addr
ret void
}