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
|
; REQUIRES: asserts
; RUN: opt -S -loop-vectorize -debug-only=loop-vectorize -mcpu=skylake %s 2>&1 | FileCheck %s
target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
target triple = "i386-unknown-linux-gnu"
@src = common local_unnamed_addr global [120 x float] zeroinitializer, align 4
@dst = common local_unnamed_addr global [120 x float] zeroinitializer, align 4
; Function Attrs: norecurse nounwind
define void @stride8(float %k, i32 %width_) {
entry:
; CHECK: Found an estimated cost of 48 for VF 8 For instruction: %0 = load float
%cmp72 = icmp sgt i32 %width_, 0
br i1 %cmp72, label %for.body.lr.ph, label %for.cond.cleanup
for.body.lr.ph: ; preds = %entry
br label %for.body
for.cond.cleanup.loopexit: ; preds = %for.body
br label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
ret void
for.body: ; preds = %for.body.lr.ph, %for.body
%i.073 = phi i32 [ 0, %for.body.lr.ph ], [ %add46, %for.body ]
%arrayidx = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %i.073
%0 = load float, float* %arrayidx, align 4
%mul = fmul fast float %0, %k
%arrayidx2 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %i.073
%1 = load float, float* %arrayidx2, align 4
%add3 = fadd fast float %1, %mul
store float %add3, float* %arrayidx2, align 4
%add4 = or i32 %i.073, 1
%arrayidx5 = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %add4
%2 = load float, float* %arrayidx5, align 4
%mul6 = fmul fast float %2, %k
%arrayidx8 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %add4
%3 = load float, float* %arrayidx8, align 4
%add9 = fadd fast float %3, %mul6
store float %add9, float* %arrayidx8, align 4
%add10 = or i32 %i.073, 2
%arrayidx11 = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %add10
%4 = load float, float* %arrayidx11, align 4
%mul12 = fmul fast float %4, %k
%arrayidx14 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %add10
%5 = load float, float* %arrayidx14, align 4
%add15 = fadd fast float %5, %mul12
store float %add15, float* %arrayidx14, align 4
%add16 = or i32 %i.073, 3
%arrayidx17 = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %add16
%6 = load float, float* %arrayidx17, align 4
%mul18 = fmul fast float %6, %k
%arrayidx20 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %add16
%7 = load float, float* %arrayidx20, align 4
%add21 = fadd fast float %7, %mul18
store float %add21, float* %arrayidx20, align 4
%add22 = or i32 %i.073, 4
%arrayidx23 = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %add22
%8 = load float, float* %arrayidx23, align 4
%mul24 = fmul fast float %8, %k
%arrayidx26 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %add22
%9 = load float, float* %arrayidx26, align 4
%add27 = fadd fast float %9, %mul24
store float %add27, float* %arrayidx26, align 4
%add28 = or i32 %i.073, 5
%arrayidx29 = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %add28
%10 = load float, float* %arrayidx29, align 4
%mul30 = fmul fast float %10, %k
%arrayidx32 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %add28
%11 = load float, float* %arrayidx32, align 4
%add33 = fadd fast float %11, %mul30
store float %add33, float* %arrayidx32, align 4
%add34 = or i32 %i.073, 6
%arrayidx35 = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %add34
%12 = load float, float* %arrayidx35, align 4
%mul36 = fmul fast float %12, %k
%arrayidx38 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %add34
%13 = load float, float* %arrayidx38, align 4
%add39 = fadd fast float %13, %mul36
store float %add39, float* %arrayidx38, align 4
%add40 = or i32 %i.073, 7
%arrayidx41 = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %add40
%14 = load float, float* %arrayidx41, align 4
%mul42 = fmul fast float %14, %k
%arrayidx44 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %add40
%15 = load float, float* %arrayidx44, align 4
%add45 = fadd fast float %15, %mul42
store float %add45, float* %arrayidx44, align 4
%add46 = add nuw nsw i32 %i.073, 8
%cmp = icmp slt i32 %add46, %width_
br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit
}
; Function Attrs: norecurse nounwind
define void @stride3(float %k, i32 %width_) {
entry:
; CHECK: Found an estimated cost of 20 for VF 8 For instruction: %0 = load float
%cmp27 = icmp sgt i32 %width_, 0
br i1 %cmp27, label %for.body.lr.ph, label %for.cond.cleanup
for.body.lr.ph: ; preds = %entry
br label %for.body
for.cond.cleanup: ; preds = %for.body, %entry
ret void
for.body: ; preds = %for.body.lr.ph, %for.body
%i.028 = phi i32 [ 0, %for.body.lr.ph ], [ %add16, %for.body ]
%arrayidx = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %i.028
%0 = load float, float* %arrayidx, align 4
%mul = fmul fast float %0, %k
%arrayidx2 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %i.028
%1 = load float, float* %arrayidx2, align 4
%add3 = fadd fast float %1, %mul
store float %add3, float* %arrayidx2, align 4
%add4 = add nuw nsw i32 %i.028, 1
%arrayidx5 = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %add4
%2 = load float, float* %arrayidx5, align 4
%mul6 = fmul fast float %2, %k
%arrayidx8 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %add4
%3 = load float, float* %arrayidx8, align 4
%add9 = fadd fast float %3, %mul6
store float %add9, float* %arrayidx8, align 4
%add10 = add nuw nsw i32 %i.028, 2
%arrayidx11 = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %add10
%4 = load float, float* %arrayidx11, align 4
%mul12 = fmul fast float %4, %k
%arrayidx14 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %add10
%5 = load float, float* %arrayidx14, align 4
%add15 = fadd fast float %5, %mul12
store float %add15, float* %arrayidx14, align 4
%add16 = add nuw nsw i32 %i.028, 3
%cmp = icmp slt i32 %add16, %width_
br i1 %cmp, label %for.body, label %for.cond.cleanup
}
|
