summaryrefslogtreecommitdiffstats
path: root/llvm/test/Transforms/InstCombine/fma.ll
blob: 3808e07d89a0e33f1184112855bb57c13848911a (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
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
; RUN: opt -S -instcombine < %s | FileCheck %s

declare float @llvm.fma.f32(float, float, float) #1
declare <2 x float> @llvm.fma.v2f32(<2 x float>, <2 x float>, <2 x float>) #1
declare float @llvm.fmuladd.f32(float, float, float) #1
declare float @llvm.fabs.f32(float) #1

@external = external global i32

; CHECK-LABEL: @fma_fneg_x_fneg_y(
; CHECK: %fma = call float @llvm.fma.f32(float %x, float %y, float %z)
define float @fma_fneg_x_fneg_y(float %x, float %y, float %z) {
  %x.fneg = fsub float -0.0, %x
  %y.fneg = fsub float -0.0, %y
  %fma = call float @llvm.fma.f32(float %x.fneg, float %y.fneg, float %z)
  ret float %fma
}

; CHECK-LABEL: @fma_fneg_x_fneg_y_fast(
; CHECK: %fma = call fast float @llvm.fma.f32(float %x, float %y, float %z)
define float @fma_fneg_x_fneg_y_fast(float %x, float %y, float %z) {
  %x.fneg = fsub float -0.0, %x
  %y.fneg = fsub float -0.0, %y
  %fma = call fast float @llvm.fma.f32(float %x.fneg, float %y.fneg, float %z)
  ret float %fma
}

; CHECK-LABEL: @fma_fneg_const_fneg_y(
; CHECK: %fma = call float @llvm.fma.f32(float %y, float bitcast (i32 ptrtoint (i32* @external to i32) to float), float %z)
define float @fma_fneg_const_fneg_y(float %y, float %z) {
  %y.fneg = fsub float -0.0, %y
  %fma = call float @llvm.fma.f32(float fsub (float -0.0, float bitcast (i32 ptrtoint (i32* @external to i32) to float)), float %y.fneg, float %z)
  ret float %fma
}

; CHECK-LABEL: @fma_fneg_x_fneg_const(
; CHECK: %fma = call float @llvm.fma.f32(float %x, float bitcast (i32 ptrtoint (i32* @external to i32) to float), float %z)
define float @fma_fneg_x_fneg_const(float %x, float %z) {
  %x.fneg = fsub float -0.0, %x
  %fma = call float @llvm.fma.f32(float %x.fneg, float fsub (float -0.0, float bitcast (i32 ptrtoint (i32* @external to i32) to float)), float %z)
  ret float %fma
}

; CHECK-LABEL: @fma_fabs_x_fabs_y(
; CHECK: %x.fabs = call float @llvm.fabs.f32(float %x)
; CHECK: %y.fabs = call float @llvm.fabs.f32(float %y)
; CHECK: %fma = call float @llvm.fma.f32(float %x.fabs, float %y.fabs, float %z)
define float @fma_fabs_x_fabs_y(float %x, float %y, float %z) {
  %x.fabs = call float @llvm.fabs.f32(float %x)
  %y.fabs = call float @llvm.fabs.f32(float %y)
  %fma = call float @llvm.fma.f32(float %x.fabs, float %y.fabs, float %z)
  ret float %fma
}

; CHECK-LABEL: @fma_fabs_x_fabs_x(
; CHECK: %fma = call float @llvm.fma.f32(float %x, float %x, float %z)
define float @fma_fabs_x_fabs_x(float %x, float %z) {
  %x.fabs = call float @llvm.fabs.f32(float %x)
  %fma = call float @llvm.fma.f32(float %x.fabs, float %x.fabs, float %z)
  ret float %fma
}

; CHECK-LABEL: @fma_fabs_x_fabs_x_fast(
; CHECK: %fma = call fast float @llvm.fma.f32(float %x, float %x, float %z)
define float @fma_fabs_x_fabs_x_fast(float %x, float %z) {
  %x.fabs = call float @llvm.fabs.f32(float %x)
  %fma = call fast float @llvm.fma.f32(float %x.fabs, float %x.fabs, float %z)
  ret float %fma
}

; CHECK-LABEL: @fmuladd_fneg_x_fneg_y(
; CHECK: %fmuladd = call float @llvm.fmuladd.f32(float %x, float %y, float %z)
define float @fmuladd_fneg_x_fneg_y(float %x, float %y, float %z) {
  %x.fneg = fsub float -0.0, %x
  %y.fneg = fsub float -0.0, %y
  %fmuladd = call float @llvm.fmuladd.f32(float %x.fneg, float %y.fneg, float %z)
  ret float %fmuladd
}

; CHECK-LABEL: @fmuladd_fneg_x_fneg_y_fast(
; CHECK-NEXT: %1 = fmul fast float %x, %y
; CHECK-NEXT: %fmuladd = fadd fast float %1, %z
define float @fmuladd_fneg_x_fneg_y_fast(float %x, float %y, float %z) {
  %x.fneg = fsub float -0.0, %x
  %y.fneg = fsub float -0.0, %y
  %fmuladd = call fast float @llvm.fmuladd.f32(float %x.fneg, float %y.fneg, float %z)
  ret float %fmuladd
}

; CHECK-LABEL: @fmuladd_fneg_const_fneg_y(
; CHECK: %fmuladd = call float @llvm.fmuladd.f32(float %y, float bitcast (i32 ptrtoint (i32* @external to i32) to float), float %z)
define float @fmuladd_fneg_const_fneg_y(float %y, float %z) {
  %y.fneg = fsub float -0.0, %y
  %fmuladd = call float @llvm.fmuladd.f32(float fsub (float -0.0, float bitcast (i32 ptrtoint (i32* @external to i32) to float)), float %y.fneg, float %z)
  ret float %fmuladd
}

; CHECK-LABEL: @fmuladd_fneg_x_fneg_const(
; CHECK: %fmuladd = call float @llvm.fmuladd.f32(float %x, float bitcast (i32 ptrtoint (i32* @external to i32) to float), float %z)
define float @fmuladd_fneg_x_fneg_const(float %x, float %z) {
  %x.fneg = fsub float -0.0, %x
  %fmuladd = call float @llvm.fmuladd.f32(float %x.fneg, float fsub (float -0.0, float bitcast (i32 ptrtoint (i32* @external to i32) to float)), float %z)
  ret float %fmuladd
}

; CHECK-LABEL: @fmuladd_fabs_x_fabs_y(
; CHECK: %x.fabs = call float @llvm.fabs.f32(float %x)
; CHECK: %y.fabs = call float @llvm.fabs.f32(float %y)
; CHECK: %fmuladd = call float @llvm.fmuladd.f32(float %x.fabs, float %y.fabs, float %z)
define float @fmuladd_fabs_x_fabs_y(float %x, float %y, float %z) {
  %x.fabs = call float @llvm.fabs.f32(float %x)
  %y.fabs = call float @llvm.fabs.f32(float %y)
  %fmuladd = call float @llvm.fmuladd.f32(float %x.fabs, float %y.fabs, float %z)
  ret float %fmuladd
}

; CHECK-LABEL: @fmuladd_fabs_x_fabs_x(
; CHECK: %fmuladd = call float @llvm.fmuladd.f32(float %x, float %x, float %z)
define float @fmuladd_fabs_x_fabs_x(float %x, float %z) {
  %x.fabs = call float @llvm.fabs.f32(float %x)
  %fmuladd = call float @llvm.fmuladd.f32(float %x.fabs, float %x.fabs, float %z)
  ret float %fmuladd
}

; CHECK-LABEL: @fmuladd_fabs_x_fabs_x_fast(
; CHECK-NEXT: %1 = fmul fast float %x, %x
; CHECK-NEXT: %fmuladd = fadd fast float %1, %z
define float @fmuladd_fabs_x_fabs_x_fast(float %x, float %z) {
  %x.fabs = call float @llvm.fabs.f32(float %x)
  %fmuladd = call fast float @llvm.fmuladd.f32(float %x.fabs, float %x.fabs, float %z)
  ret float %fmuladd
}

; CHECK-LABEL: @fma_k_y_z(
; CHECK: %fma = call float @llvm.fma.f32(float %y, float 4.000000e+00, float %z)
define float @fma_k_y_z(float %y, float %z) {
  %fma = call float @llvm.fma.f32(float 4.0, float %y, float %z)
  ret float %fma
}

; CHECK-LABEL: @fma_k_y_z_fast(
; CHECK: %fma = call fast float @llvm.fma.f32(float %y, float 4.000000e+00, float %z)
define float @fma_k_y_z_fast(float %y, float %z) {
  %fma = call fast float @llvm.fma.f32(float 4.0, float %y, float %z)
  ret float %fma
}

; CHECK-LABEL: @fmuladd_k_y_z_fast(
; CHECK: %1 = fmul fast float %y, 4.000000e+00
; CHECK-NEXT: %fmuladd = fadd fast float %1, %z
define float @fmuladd_k_y_z_fast(float %y, float %z) {
  %fmuladd = call fast float @llvm.fmuladd.f32(float 4.0, float %y, float %z)
  ret float %fmuladd
}

; CHECK-LABEL: @fma_1_y_z(
; CHECK: %fma = fadd float %y, %z
define float @fma_1_y_z(float %y, float %z) {
  %fma = call float @llvm.fma.f32(float 1.0, float %y, float %z)
  ret float %fma
}

; CHECK-LABEL: @fma_x_1_z(
; CHECK: %fma = fadd float %x, %z
define float @fma_x_1_z(float %x, float %z) {
  %fma = call float @llvm.fma.f32(float %x, float 1.0, float %z)
  ret float %fma
}

; CHECK-LABEL: @fma_x_1_z_v2f32(
; CHECK: %fma = fadd <2 x float> %x, %z
define <2 x float> @fma_x_1_z_v2f32(<2 x float> %x, <2 x float> %z) {
  %fma = call <2 x float> @llvm.fma.v2f32(<2 x float> %x, <2 x float> <float 1.0, float 1.0>, <2 x float> %z)
  ret <2 x float> %fma
}

; CHECK-LABEL: @fma_x_1_2_z_v2f32(
; CHECK: %fma = call <2 x float> @llvm.fma.v2f32(<2 x float> %x, <2 x float> <float 1.000000e+00, float 2.000000e+00>, <2 x float> %z)
define <2 x float> @fma_x_1_2_z_v2f32(<2 x float> %x, <2 x float> %z) {
  %fma = call <2 x float> @llvm.fma.v2f32(<2 x float> %x, <2 x float> <float 1.0, float 2.0>, <2 x float> %z)
  ret <2 x float> %fma
}

; CHECK-LABEL: @fma_x_1_z_fast(
; CHECK: %fma = fadd fast float %x, %z
define float @fma_x_1_z_fast(float %x, float %z) {
  %fma = call fast float @llvm.fma.f32(float %x, float 1.0, float %z)
  ret float %fma
}

; CHECK-LABEL: @fma_1_1_z(
; CHECK: %fma = fadd float %z, 1.0
define float @fma_1_1_z(float %z) {
  %fma = call float @llvm.fma.f32(float 1.0, float 1.0, float %z)
  ret float %fma
}

; CHECK-LABEL: @fmuladd_x_1_z_fast(
; CHECK: %fmuladd = fadd fast float %x, %z
define float @fmuladd_x_1_z_fast(float %x, float %z) {
  %fmuladd = call fast float @llvm.fmuladd.f32(float %x, float 1.0, float %z)
  ret float %fmuladd
}

attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }
OpenPOWER on IntegriCloud