simple-loop.ll
6.95 KB
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
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -basic-aa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.8.0"
define i32 @rollable(i32* noalias nocapture %in, i32* noalias nocapture %out, i64 %n) {
; CHECK-LABEL: @rollable(
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i64 [[N:%.*]], 0
; CHECK-NEXT: br i1 [[TMP1]], label [[DOT_CRIT_EDGE:%.*]], label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
; CHECK-NEXT: [[I_019:%.*]] = phi i64 [ [[TMP10:%.*]], [[DOTLR_PH]] ], [ 0, [[TMP0:%.*]] ]
; CHECK-NEXT: [[TMP2:%.*]] = shl i64 [[I_019]], 2
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[IN:%.*]], i64 [[TMP2]]
; CHECK-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <4 x i32>*
; CHECK-NEXT: [[TMP5:%.*]] = load <4 x i32>, <4 x i32>* [[TMP4]], align 4
; CHECK-NEXT: [[TMP6:%.*]] = mul <4 x i32> [[TMP5]], <i32 7, i32 7, i32 7, i32 7>
; CHECK-NEXT: [[TMP7:%.*]] = add <4 x i32> [[TMP6]], <i32 7, i32 14, i32 21, i32 28>
; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[OUT:%.*]], i64 [[TMP2]]
; CHECK-NEXT: [[TMP9:%.*]] = bitcast i32* [[TMP8]] to <4 x i32>*
; CHECK-NEXT: store <4 x i32> [[TMP7]], <4 x i32>* [[TMP9]], align 4
; CHECK-NEXT: [[TMP10]] = add i64 [[I_019]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[TMP10]], [[N]]
; CHECK-NEXT: br i1 [[EXITCOND]], label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]]
; CHECK: ._crit_edge:
; CHECK-NEXT: ret i32 undef
;
%1 = icmp eq i64 %n, 0
br i1 %1, label %._crit_edge, label %.lr.ph
.lr.ph: ; preds = %0, %.lr.ph
%i.019 = phi i64 [ %26, %.lr.ph ], [ 0, %0 ]
%2 = shl i64 %i.019, 2
%3 = getelementptr inbounds i32, i32* %in, i64 %2
%4 = load i32, i32* %3, align 4
%5 = or i64 %2, 1
%6 = getelementptr inbounds i32, i32* %in, i64 %5
%7 = load i32, i32* %6, align 4
%8 = or i64 %2, 2
%9 = getelementptr inbounds i32, i32* %in, i64 %8
%10 = load i32, i32* %9, align 4
%11 = or i64 %2, 3
%12 = getelementptr inbounds i32, i32* %in, i64 %11
%13 = load i32, i32* %12, align 4
%14 = mul i32 %4, 7
%15 = add i32 %14, 7
%16 = mul i32 %7, 7
%17 = add i32 %16, 14
%18 = mul i32 %10, 7
%19 = add i32 %18, 21
%20 = mul i32 %13, 7
%21 = add i32 %20, 28
%22 = getelementptr inbounds i32, i32* %out, i64 %2
store i32 %15, i32* %22, align 4
%23 = getelementptr inbounds i32, i32* %out, i64 %5
store i32 %17, i32* %23, align 4
%24 = getelementptr inbounds i32, i32* %out, i64 %8
store i32 %19, i32* %24, align 4
%25 = getelementptr inbounds i32, i32* %out, i64 %11
store i32 %21, i32* %25, align 4
%26 = add i64 %i.019, 1
%exitcond = icmp eq i64 %26, %n
br i1 %exitcond, label %._crit_edge, label %.lr.ph
._crit_edge: ; preds = %.lr.ph, %0
ret i32 undef
}
define i32 @unrollable(i32* %in, i32* %out, i64 %n) nounwind ssp uwtable {
; CHECK-LABEL: @unrollable(
; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i64 [[N:%.*]], 0
; CHECK-NEXT: br i1 [[TMP1]], label [[DOT_CRIT_EDGE:%.*]], label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
; CHECK-NEXT: [[I_019:%.*]] = phi i64 [ [[TMP26:%.*]], [[DOTLR_PH]] ], [ 0, [[TMP0:%.*]] ]
; CHECK-NEXT: [[TMP2:%.*]] = shl i64 [[I_019]], 2
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[IN:%.*]], i64 [[TMP2]]
; CHECK-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP3]], align 4
; CHECK-NEXT: [[TMP5:%.*]] = or i64 [[TMP2]], 1
; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, i32* [[IN]], i64 [[TMP5]]
; CHECK-NEXT: [[TMP7:%.*]] = load i32, i32* [[TMP6]], align 4
; CHECK-NEXT: [[TMP8:%.*]] = or i64 [[TMP2]], 2
; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds i32, i32* [[IN]], i64 [[TMP8]]
; CHECK-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP9]], align 4
; CHECK-NEXT: [[TMP11:%.*]] = or i64 [[TMP2]], 3
; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i32, i32* [[IN]], i64 [[TMP11]]
; CHECK-NEXT: [[TMP13:%.*]] = load i32, i32* [[TMP12]], align 4
; CHECK-NEXT: [[TMP14:%.*]] = mul i32 [[TMP4]], 7
; CHECK-NEXT: [[TMP15:%.*]] = add i32 [[TMP14]], 7
; CHECK-NEXT: [[TMP16:%.*]] = mul i32 [[TMP7]], 7
; CHECK-NEXT: [[TMP17:%.*]] = add i32 [[TMP16]], 14
; CHECK-NEXT: [[TMP18:%.*]] = mul i32 [[TMP10]], 7
; CHECK-NEXT: [[TMP19:%.*]] = add i32 [[TMP18]], 21
; CHECK-NEXT: [[TMP20:%.*]] = mul i32 [[TMP13]], 7
; CHECK-NEXT: [[TMP21:%.*]] = add i32 [[TMP20]], 28
; CHECK-NEXT: [[TMP22:%.*]] = getelementptr inbounds i32, i32* [[OUT:%.*]], i64 [[TMP2]]
; CHECK-NEXT: store i32 [[TMP15]], i32* [[TMP22]], align 4
; CHECK-NEXT: [[TMP23:%.*]] = getelementptr inbounds i32, i32* [[OUT]], i64 [[TMP5]]
; CHECK-NEXT: store i32 [[TMP17]], i32* [[TMP23]], align 4
; CHECK-NEXT: [[BARRIER:%.*]] = call i32 @goo(i32 0)
; CHECK-NEXT: [[TMP24:%.*]] = getelementptr inbounds i32, i32* [[OUT]], i64 [[TMP8]]
; CHECK-NEXT: store i32 [[TMP19]], i32* [[TMP24]], align 4
; CHECK-NEXT: [[TMP25:%.*]] = getelementptr inbounds i32, i32* [[OUT]], i64 [[TMP11]]
; CHECK-NEXT: store i32 [[TMP21]], i32* [[TMP25]], align 4
; CHECK-NEXT: [[TMP26]] = add i64 [[I_019]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[TMP26]], [[N]]
; CHECK-NEXT: br i1 [[EXITCOND]], label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]]
; CHECK: ._crit_edge:
; CHECK-NEXT: ret i32 undef
;
%1 = icmp eq i64 %n, 0
br i1 %1, label %._crit_edge, label %.lr.ph
.lr.ph: ; preds = %0, %.lr.ph
%i.019 = phi i64 [ %26, %.lr.ph ], [ 0, %0 ]
%2 = shl i64 %i.019, 2
%3 = getelementptr inbounds i32, i32* %in, i64 %2
%4 = load i32, i32* %3, align 4
%5 = or i64 %2, 1
%6 = getelementptr inbounds i32, i32* %in, i64 %5
%7 = load i32, i32* %6, align 4
%8 = or i64 %2, 2
%9 = getelementptr inbounds i32, i32* %in, i64 %8
%10 = load i32, i32* %9, align 4
%11 = or i64 %2, 3
%12 = getelementptr inbounds i32, i32* %in, i64 %11
%13 = load i32, i32* %12, align 4
%14 = mul i32 %4, 7
%15 = add i32 %14, 7
%16 = mul i32 %7, 7
%17 = add i32 %16, 14
%18 = mul i32 %10, 7
%19 = add i32 %18, 21
%20 = mul i32 %13, 7
%21 = add i32 %20, 28
%22 = getelementptr inbounds i32, i32* %out, i64 %2
store i32 %15, i32* %22, align 4
%23 = getelementptr inbounds i32, i32* %out, i64 %5
store i32 %17, i32* %23, align 4
%barrier = call i32 @goo(i32 0) ; <---------------- memory barrier.
%24 = getelementptr inbounds i32, i32* %out, i64 %8
store i32 %19, i32* %24, align 4
%25 = getelementptr inbounds i32, i32* %out, i64 %11
store i32 %21, i32* %25, align 4
%26 = add i64 %i.019, 1
%exitcond = icmp eq i64 %26, %n
br i1 %exitcond, label %._crit_edge, label %.lr.ph
._crit_edge: ; preds = %.lr.ph, %0
ret i32 undef
}
declare i32 @goo(i32)