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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=+fma4,-fma | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=+fma4,+fma | FileCheck %s
declare <4 x float> @llvm.x86.fma4.vfmadd.ss(<4 x float> %a, <4 x float> %b, <4 x float> %c)
declare <2 x double> @llvm.x86.fma4.vfmadd.sd(<2 x double> %a, <2 x double> %b, <2 x double> %c)
; TODO this can be negated
define <4 x float> @test1(<4 x float> %a, <4 x float> %b, <4 x float> %c) {
; CHECK-LABEL: test1:
; CHECK: # %bb.0:
; CHECK-NEXT: vfmaddss {{.*#+}} xmm0 = (xmm0 * xmm1) + xmm2
; CHECK-NEXT: vxorps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; CHECK-NEXT: retq
%res = tail call <4 x float> @llvm.x86.fma4.vfmadd.ss(<4 x float> %a, <4 x float> %b, <4 x float> %c)
%sub.i = fsub <4 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, %res
ret <4 x float> %sub.i
}
define <4 x float> @test2(<4 x float> %a, <4 x float> %b, <4 x float> %c) {
; CHECK-LABEL: test2:
; CHECK: # %bb.0:
; CHECK-NEXT: vfmsubss {{.*#+}} xmm0 = (xmm0 * xmm1) - xmm2
; CHECK-NEXT: retq
%sub.i = fsub <4 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, %c
%res = tail call <4 x float> @llvm.x86.fma4.vfmadd.ss(<4 x float> %a, <4 x float> %b, <4 x float> %sub.i)
ret <4 x float> %res
}
define <4 x float> @test3(<4 x float> %a, <4 x float> %b, <4 x float> %c) {
; CHECK-LABEL: test3:
; CHECK: # %bb.0:
; CHECK-NEXT: vfnmaddss {{.*#+}} xmm0 = -(xmm0 * xmm1) + xmm2
; CHECK-NEXT: retq
%sub.i = fsub <4 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, %b
%res = tail call <4 x float> @llvm.x86.fma4.vfmadd.ss(<4 x float> %a, <4 x float> %sub.i, <4 x float> %c)
ret <4 x float> %res
}
define <4 x float> @test4(<4 x float> %a, <4 x float> %b, <4 x float> %c) {
; CHECK-LABEL: test4:
; CHECK: # %bb.0:
; CHECK-NEXT: vfnmaddss {{.*#+}} xmm0 = -(xmm0 * xmm1) + xmm2
; CHECK-NEXT: retq
%sub.i = fsub <4 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, %a
%res = tail call <4 x float> @llvm.x86.fma4.vfmadd.ss(<4 x float> %sub.i, <4 x float> %b, <4 x float> %c)
ret <4 x float> %res
}
define <4 x float> @test5(<4 x float> %a, <4 x float> %b, <4 x float> %c) {
; CHECK-LABEL: test5:
; CHECK: # %bb.0:
; CHECK-NEXT: vfnmsubss {{.*#+}} xmm0 = -(xmm0 * xmm1) - xmm2
; CHECK-NEXT: retq
%sub.i = fsub <4 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, %a
%sub.i.2 = fsub <4 x float> <float -0.000000e+00, float -0.000000e+00, float -0.000000e+00, float -0.000000e+00>, %c
%res = tail call <4 x float> @llvm.x86.fma4.vfmadd.ss(<4 x float> %sub.i, <4 x float> %b, <4 x float> %sub.i.2)
ret <4 x float> %res
}
define <2 x double> @test6(<2 x double> %a, <2 x double> %b, <2 x double> %c) {
; CHECK-LABEL: test6:
; CHECK: # %bb.0:
; CHECK-NEXT: vfmaddsd {{.*#+}} xmm0 = (xmm0 * xmm1) + xmm2
; CHECK-NEXT: vxorpd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0, %xmm0
; CHECK-NEXT: retq
%res = tail call <2 x double> @llvm.x86.fma4.vfmadd.sd(<2 x double> %a, <2 x double> %b, <2 x double> %c)
%sub.i = fsub <2 x double> <double -0.000000e+00, double -0.000000e+00>, %res
ret <2 x double> %sub.i
}
define <2 x double> @test7(<2 x double> %a, <2 x double> %b, <2 x double> %c) {
; CHECK-LABEL: test7:
; CHECK: # %bb.0:
; CHECK-NEXT: vfmsubsd {{.*#+}} xmm0 = (xmm0 * xmm1) - xmm2
; CHECK-NEXT: retq
%sub.i = fsub <2 x double> <double -0.000000e+00, double -0.000000e+00>, %c
%res = tail call <2 x double> @llvm.x86.fma4.vfmadd.sd(<2 x double> %a, <2 x double> %b, <2 x double> %sub.i)
ret <2 x double> %res
}
define <2 x double> @test8(<2 x double> %a, <2 x double> %b, <2 x double> %c) {
; CHECK-LABEL: test8:
; CHECK: # %bb.0:
; CHECK-NEXT: vfnmaddsd {{.*#+}} xmm0 = -(xmm0 * xmm1) + xmm2
; CHECK-NEXT: retq
%sub.i = fsub <2 x double> <double -0.000000e+00, double -0.000000e+00>, %b
%res = tail call <2 x double> @llvm.x86.fma4.vfmadd.sd(<2 x double> %a, <2 x double> %sub.i, <2 x double> %c)
ret <2 x double> %res
}
define <2 x double> @test9(<2 x double> %a, <2 x double> %b, <2 x double> %c) {
; CHECK-LABEL: test9:
; CHECK: # %bb.0:
; CHECK-NEXT: vfnmaddsd {{.*#+}} xmm0 = -(xmm0 * xmm1) + xmm2
; CHECK-NEXT: retq
%sub.i = fsub <2 x double> <double -0.000000e+00, double -0.000000e+00>, %a
%res = tail call <2 x double> @llvm.x86.fma4.vfmadd.sd(<2 x double> %sub.i, <2 x double> %b, <2 x double> %c)
ret <2 x double> %res
}
define <2 x double> @test10(<2 x double> %a, <2 x double> %b, <2 x double> %c) {
; CHECK-LABEL: test10:
; CHECK: # %bb.0:
; CHECK-NEXT: vfnmsubsd {{.*#+}} xmm0 = -(xmm0 * xmm1) - xmm2
; CHECK-NEXT: retq
%sub.i = fsub <2 x double> <double -0.000000e+00, double -0.000000e+00>, %a
%sub.i.2 = fsub <2 x double> <double -0.000000e+00, double -0.000000e+00>, %c
%res = tail call <2 x double> @llvm.x86.fma4.vfmadd.sd(<2 x double> %sub.i, <2 x double> %b, <2 x double> %sub.i.2)
ret <2 x double> %res
}
|
