File: arm64-fmadd.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (131 lines) | stat: -rw-r--r-- 3,968 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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=arm64-eabi < %s | FileCheck %s

define float @fma32(float %a, float %b, float %c) nounwind readnone ssp {
; CHECK-LABEL: fma32:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    fmadd s0, s0, s1, s2
; CHECK-NEXT:    ret
entry:
  %0 = tail call float @llvm.fma.f32(float %a, float %b, float %c)
  ret float %0
}

define float @fnma32(float %a, float %b, float %c) nounwind readnone ssp {
; CHECK-LABEL: fnma32:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    fnmadd s0, s0, s1, s2
; CHECK-NEXT:    ret
entry:
  %0 = tail call float @llvm.fma.f32(float %a, float %b, float %c)
  %mul = fmul float %0, -1.000000e+00
  ret float %mul
}

define float @fms32(float %a, float %b, float %c) nounwind readnone ssp {
; CHECK-LABEL: fms32:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    fmsub s0, s0, s1, s2
; CHECK-NEXT:    ret
entry:
  %mul = fmul float %b, -1.000000e+00
  %0 = tail call float @llvm.fma.f32(float %a, float %mul, float %c)
  ret float %0
}

define float @fms32_com(float %a, float %b, float %c) nounwind readnone ssp {
; CHECK-LABEL: fms32_com:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    fmsub s0, s1, s0, s2
; CHECK-NEXT:    ret
entry:
  %mul = fmul float %b, -1.000000e+00
  %0 = tail call float @llvm.fma.f32(float %mul, float %a, float %c)
  ret float %0
}

define float @fnms32(float %a, float %b, float %c) nounwind readnone ssp {
; CHECK-LABEL: fnms32:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    fnmsub s0, s0, s1, s2
; CHECK-NEXT:    ret
entry:
  %mul = fmul float %c, -1.000000e+00
  %0 = tail call float @llvm.fma.f32(float %a, float %b, float %mul)
  ret float %0
}

define double @fma64(double %a, double %b, double %c) nounwind readnone ssp {
; CHECK-LABEL: fma64:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    fmadd d0, d0, d1, d2
; CHECK-NEXT:    ret
entry:
  %0 = tail call double @llvm.fma.f64(double %a, double %b, double %c)
  ret double %0
}

define double @fnma64(double %a, double %b, double %c) nounwind readnone ssp {
; CHECK-LABEL: fnma64:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    fnmadd d0, d0, d1, d2
; CHECK-NEXT:    ret
entry:
  %0 = tail call double @llvm.fma.f64(double %a, double %b, double %c)
  %mul = fmul double %0, -1.000000e+00
  ret double %mul
}

define double @fms64(double %a, double %b, double %c) nounwind readnone ssp {
; CHECK-LABEL: fms64:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    fmsub d0, d0, d1, d2
; CHECK-NEXT:    ret
entry:
  %mul = fneg double %b
  %0 = tail call double @llvm.fma.f64(double %a, double %mul, double %c)
  ret double %0
}

define double @fms64_com(double %a, double %b, double %c) nounwind readnone ssp {
; CHECK-LABEL: fms64_com:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    fmsub d0, d1, d0, d2
; CHECK-NEXT:    ret
entry:
  %mul = fneg double %b
  %0 = tail call double @llvm.fma.f64(double %mul, double %a, double %c)
  ret double %0
}

define double @fnms64(double %a, double %b, double %c) nounwind readnone ssp {
; CHECK-LABEL: fnms64:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    fnmsub d0, d0, d1, d2
; CHECK-NEXT:    ret
entry:
  %mul = fneg double %c
  %0 = tail call double @llvm.fma.f64(double %a, double %b, double %mul)
  ret double %0
}

; This would crash while trying getNegatedExpression().

define float @negated_constant(float %x) {
; CHECK-LABEL: negated_constant:
; CHECK:       // %bb.0:
; CHECK-NEXT:    mov w8, #-1037565952
; CHECK-NEXT:    fmov s1, w8
; CHECK-NEXT:    mov w8, #1109917696
; CHECK-NEXT:    fmul s1, s0, s1
; CHECK-NEXT:    fmov s2, w8
; CHECK-NEXT:    fmadd s0, s0, s2, s1
; CHECK-NEXT:    ret
  %m = fmul float %x, 42.0
  %fma = call nsz float @llvm.fma.f32(float %x, float -42.0, float %m)
  %nfma = fneg float %fma
  ret float %nfma
}

declare float @llvm.fma.f32(float, float, float) nounwind readnone
declare double @llvm.fma.f64(double, double, double) nounwind readnone