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
|
; RUN: llc < %s -mtriple=thumbv7-apple-ios7.0.0 -float-abi=hard -mcpu=cortex-a9 -misched-postra -enable-misched -pre-RA-sched=source -scheditins=false | FileCheck %s
;
; Test MI-Sched suppory latency based stalls on in in-order pipeline
; using the new machine model.
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
; Don't be too strict with the top of the schedule, but most of it
; should be nicely pipelined.
;
; CHECK: saxpy10:
; CHECK: vldr
; CHECK: vldr
; CHECK: vldr
; CHECK: vldr
; CHECK: vldr
; CHECK-NEXT: vldr
; CHECK-NEXT: vmul
; CHECK-NEXT: vadd
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vldr
; CHECK-NEXT: vadd
; CHECK-NEXT: vadd
; CHECK-NEXT: vmul
; CHECK-NEXT: vldr
; CHECK-NEXT: vadd
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vmul
; CHECK-NEXT: vldr
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vmul
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vmul
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vmul
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vmul
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vmul
; CHECK-NEXT: vadd
; CHECK-NEXT: vldr
; CHECK-NEXT: vadd
; CHECK-NEXT: vadd
; CHECK-NEXT: vadd
; CHECK-NEXT: vmov
; CHECK-NEXT: bx
;
; This accumulates a sum rather than storing each result.
define float @saxpy10(float* nocapture readonly %data1, float* nocapture readonly %data2, float %a) {
entry:
%0 = load float, float* %data1, align 4
%mul = fmul float %0, %a
%1 = load float, float* %data2, align 4
%add = fadd float %mul, %1
%add2 = fadd float %add, 0.000000e+00
%arrayidx.1 = getelementptr inbounds float, float* %data1, i32 1
%2 = load float, float* %arrayidx.1, align 4
%mul.1 = fmul float %2, %a
%arrayidx1.1 = getelementptr inbounds float, float* %data2, i32 1
%3 = load float, float* %arrayidx1.1, align 4
%add.1 = fadd float %mul.1, %3
%add2.1 = fadd float %add2, %add.1
%arrayidx.2 = getelementptr inbounds float, float* %data1, i32 2
%4 = load float, float* %arrayidx.2, align 4
%mul.2 = fmul float %4, %a
%arrayidx1.2 = getelementptr inbounds float, float* %data2, i32 2
%5 = load float, float* %arrayidx1.2, align 4
%add.2 = fadd float %mul.2, %5
%add2.2 = fadd float %add2.1, %add.2
%arrayidx.3 = getelementptr inbounds float, float* %data1, i32 3
%6 = load float, float* %arrayidx.3, align 4
%mul.3 = fmul float %6, %a
%arrayidx1.3 = getelementptr inbounds float, float* %data2, i32 3
%7 = load float, float* %arrayidx1.3, align 4
%add.3 = fadd float %mul.3, %7
%add2.3 = fadd float %add2.2, %add.3
%arrayidx.4 = getelementptr inbounds float, float* %data1, i32 4
%8 = load float, float* %arrayidx.4, align 4
%mul.4 = fmul float %8, %a
%arrayidx1.4 = getelementptr inbounds float, float* %data2, i32 4
%9 = load float, float* %arrayidx1.4, align 4
%add.4 = fadd float %mul.4, %9
%add2.4 = fadd float %add2.3, %add.4
%arrayidx.5 = getelementptr inbounds float, float* %data1, i32 5
%10 = load float, float* %arrayidx.5, align 4
%mul.5 = fmul float %10, %a
%arrayidx1.5 = getelementptr inbounds float, float* %data2, i32 5
%11 = load float, float* %arrayidx1.5, align 4
%add.5 = fadd float %mul.5, %11
%add2.5 = fadd float %add2.4, %add.5
%arrayidx.6 = getelementptr inbounds float, float* %data1, i32 6
%12 = load float, float* %arrayidx.6, align 4
%mul.6 = fmul float %12, %a
%arrayidx1.6 = getelementptr inbounds float, float* %data2, i32 6
%13 = load float, float* %arrayidx1.6, align 4
%add.6 = fadd float %mul.6, %13
%add2.6 = fadd float %add2.5, %add.6
%arrayidx.7 = getelementptr inbounds float, float* %data1, i32 7
%14 = load float, float* %arrayidx.7, align 4
%mul.7 = fmul float %14, %a
%arrayidx1.7 = getelementptr inbounds float, float* %data2, i32 7
%15 = load float, float* %arrayidx1.7, align 4
%add.7 = fadd float %mul.7, %15
%add2.7 = fadd float %add2.6, %add.7
%arrayidx.8 = getelementptr inbounds float, float* %data1, i32 8
%16 = load float, float* %arrayidx.8, align 4
%mul.8 = fmul float %16, %a
%arrayidx1.8 = getelementptr inbounds float, float* %data2, i32 8
%17 = load float, float* %arrayidx1.8, align 4
%add.8 = fadd float %mul.8, %17
%add2.8 = fadd float %add2.7, %add.8
%arrayidx.9 = getelementptr inbounds float, float* %data1, i32 9
%18 = load float, float* %arrayidx.9, align 4
%mul.9 = fmul float %18, %a
%arrayidx1.9 = getelementptr inbounds float, float* %data2, i32 9
%19 = load float, float* %arrayidx1.9, align 4
%add.9 = fadd float %mul.9, %19
%add2.9 = fadd float %add2.8, %add.9
ret float %add2.9
}
|
