summaryrefslogtreecommitdiff
path: root/test/CodeGen/AArch64/arm64-fml-combines.ll
blob: f9749882527913ecff15a171749c38ea34561a9a (plain)
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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
; RUN: llc < %s -O3 -mtriple=arm64-apple-ios -enable-unsafe-fp-math | FileCheck %s
; RUN: llc < %s -O3 -mtriple=arm64-apple-ios -fp-contract=fast | FileCheck %s

define void @foo_2d(double* %src) {
entry:
  %arrayidx1 = getelementptr inbounds double, double* %src, i64 5
  %arrayidx2 = getelementptr inbounds double, double* %src, i64 11
  %tmp = bitcast double* %arrayidx1 to <2 x double>*
  br label %for.body

; CHECK-LABEL: %for.body
; CHECK: fmls.2d {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}
; CHECK: fmls.2d {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}[0]
; CHECK: fmls.d {{d[0-9]+}}, {{d[0-9]+}}, {{v[0-9]+}}[0]
for.body:                                         ; preds = %for.body, %entry
  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
  %indvars.iv.next = sub nuw nsw i64 %indvars.iv, 1
  %arrayidx3 = getelementptr inbounds double, double* %src, i64 %indvars.iv.next
  %tmp1 = load double, double* %arrayidx3, align 8
  %add = fadd fast double %tmp1, %tmp1
  %mul = fmul fast double %add, %add
  %e1 = insertelement <2 x double> undef, double %add, i32 0
  %e2 = insertelement <2 x double> %e1, double %add, i32 1
  %sub2 = fsub fast <2 x double> %e2, <double 3.000000e+00, double -3.000000e+00>
  %e3 = insertelement <2 x double> undef, double %mul, i32 0
  %e4 = insertelement <2 x double> %e3, double %mul, i32 1
  %mul2 = fmul fast <2 x double> %sub2,<double 3.000000e+00, double -3.000000e+00>
  %e5 = insertelement <2 x double> undef, double %add, i32 0
  %e6 = insertelement <2 x double> %e5, double %add, i32 1
  %sub3 = fsub fast  <2 x double>  <double 3.000000e+00, double -3.000000e+00>, %mul2
  %mulx = fmul fast <2 x double> %sub2, %e2
  %subx = fsub fast  <2 x double> %e4, %mulx
  %e7 = insertelement <2 x double> undef, double %mul, i32 0
  %e8 = insertelement <2 x double> %e7, double %mul, i32 1
  %e9 = fmul fast <2 x double>  %subx, %sub3
  store <2 x double> %e9, <2 x double>* %tmp, align 8
  %e10 = extractelement <2 x double> %sub3, i32 0
  %mul3 = fmul fast double %mul, %e10
  %sub4 = fsub fast double %mul, %mul3
  store double %sub4, double* %arrayidx2, align 8
  %exitcond = icmp eq i64 %indvars.iv.next, 25
  br i1 %exitcond, label %for.end, label %for.body

for.end:                                          ; preds = %for.body
  ret void
}
define void @foo_2s(float* %src) {
entry:
  %arrayidx1 = getelementptr inbounds float, float* %src, i64 5
  %arrayidx2 = getelementptr inbounds float, float* %src, i64 11
  %tmp = bitcast float* %arrayidx1 to <2 x float>*
  br label %for.body

; CHECK-LABEL: %for.body
; CHECK: fmls.2s {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}
; CHECK: fmls.2s {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}[0]
; CHECK: fmls.s {{s[0-9]+}}, {{s[0-9]+}}, {{v[0-9]+}}[0]
for.body:                                         ; preds = %for.body, %entry
  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %arrayidx3 = getelementptr inbounds float, float* %src, i64 %indvars.iv.next
  %tmp1 = load float, float* %arrayidx3, align 8
  %add = fadd fast float %tmp1, %tmp1
  %mul = fmul fast float %add, %add
  %e1 = insertelement <2 x float> undef, float %add, i32 0
  %e2 = insertelement <2 x float> %e1, float %add, i32 1
  %add2 = fsub fast <2 x float> %e2, <float 3.000000e+00, float -3.000000e+00>
  %e3 = insertelement <2 x float> undef, float %mul, i32 0
  %e4 = insertelement <2 x float> %e3, float %mul, i32 1
  %mul2 = fmul fast <2 x float> %add2,<float 3.000000e+00, float -3.000000e+00>
  %e5 = insertelement <2 x float> undef, float %add, i32 0
  %e6 = insertelement <2 x float> %e5, float %add, i32 1
  %add3 = fsub fast  <2 x float>  <float 3.000000e+00, float -3.000000e+00>, %mul2
  %mulx = fmul fast <2 x float> %add2, %e2
  %addx = fsub fast  <2 x float> %e4, %mulx
  %e7 = insertelement <2 x float> undef, float %mul, i32 0
  %e8 = insertelement <2 x float> %e7, float %mul, i32 1
  %e9 = fmul fast <2 x float>  %addx, %add3
  store <2 x float> %e9, <2 x float>* %tmp, align 8
  %e10 = extractelement <2 x float> %add3, i32 0
  %mul3 = fmul fast float %mul, %e10
  %add4 = fsub fast float %mul, %mul3
  store float %add4, float* %arrayidx2, align 8
  %exitcond = icmp eq i64 %indvars.iv.next, 25
  br i1 %exitcond, label %for.end, label %for.body

for.end:                                          ; preds = %for.body
  ret void
}
define void @foo_4s(float* %src) {
entry:
  %arrayidx1 = getelementptr inbounds float, float* %src, i64 5
  %arrayidx2 = getelementptr inbounds float, float* %src, i64 11
  %tmp = bitcast float* %arrayidx1 to <4 x float>*
  br label %for.body

; CHECK-LABEL: %for.body
; CHECK: fmls.4s {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}
; CHECK: fmls.4s {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}[0]
for.body:                                         ; preds = %for.body, %entry
  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %arrayidx3 = getelementptr inbounds float, float* %src, i64 %indvars.iv.next
  %tmp1 = load float, float* %arrayidx3, align 8
  %add = fadd fast float %tmp1, %tmp1
  %mul = fmul fast float %add, %add
  %e1 = insertelement <4 x float> undef, float %add, i32 0
  %e2 = insertelement <4 x float> %e1, float %add, i32 1
  %add2 = fadd fast <4 x float> %e2, <float 3.000000e+00, float -3.000000e+00, float 5.000000e+00, float 7.000000e+00>
  %e3 = insertelement <4 x float> undef, float %mul, i32 0
  %e4 = insertelement <4 x float> %e3, float %mul, i32 1
  %mul2 = fmul fast <4 x float> %add2,<float 3.000000e+00, float -3.000000e+00, float 5.000000e+00, float 7.000000e+00>
  %e5 = insertelement <4 x float> undef, float %add, i32 0
  %e6 = insertelement <4 x float> %e5, float %add, i32 1
  %add3 = fsub fast  <4 x float> <float 3.000000e+00, float -3.000000e+00, float 5.000000e+00, float 7.000000e+00> , %mul2
  %mulx = fmul fast <4 x float> %add2, %e2
  %addx = fsub fast  <4 x float> %e4, %mulx
  %e7 = insertelement <4 x float> undef, float %mul, i32 0
  %e8 = insertelement <4 x float> %e7, float %mul, i32 1
  %e9 = fmul fast <4 x float>  %addx, %add3
  store <4 x float> %e9, <4 x float>* %tmp, align 8
  %e10 = extractelement <4 x float> %add3, i32 0
  %mul3 = fmul fast float %mul, %e10
  store float %mul3, float* %arrayidx2, align 8
  %exitcond = icmp eq i64 %indvars.iv.next, 25
  br i1 %exitcond, label %for.end, label %for.body

for.end:                                          ; preds = %for.body
  ret void
}

; CHECK-LABEL: test1:
; CHECK: fnmadd s0, s0, s1, s2
define float @test1(float %a, float %b, float %c) {
entry:
  %0 = fmul float %a, %b
  %mul = fsub float -0.000000e+00, %0
  %sub1 = fsub float %mul, %c
  ret float %sub1
}

; CHECK-LABEL: test2:
; CHECK: fnmadd d0, d0, d1, d2
define double @test2(double %a, double %b, double %c) {
entry:
  %0 = fmul double %a, %b
  %mul = fsub double -0.000000e+00, %0
  %sub1 = fsub double %mul, %c
  ret double %sub1
}