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
|
; 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"
; Simple 3-pair chain with loads and stores
define void @test1(double* %a, double* %b, double* %c) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: [[TMP1:%.*]] = bitcast double* [[A:%.*]] to <2 x double>*
; CHECK-NEXT: [[TMP2:%.*]] = load <2 x double>, <2 x double>* [[TMP1]], align 8
; CHECK-NEXT: [[TMP3:%.*]] = bitcast double* [[B:%.*]] to <2 x double>*
; CHECK-NEXT: [[TMP4:%.*]] = load <2 x double>, <2 x double>* [[TMP3]], align 8
; CHECK-NEXT: [[TMP5:%.*]] = fmul <2 x double> [[TMP2]], [[TMP4]]
; CHECK-NEXT: [[TMP6:%.*]] = bitcast double* [[C:%.*]] to <2 x double>*
; CHECK-NEXT: store <2 x double> [[TMP5]], <2 x double>* [[TMP6]], align 8
; CHECK-NEXT: ret void
;
%i0 = load double, double* %a, align 8
%i1 = load double, double* %b, align 8
%mul = fmul double %i0, %i1
%arrayidx3 = getelementptr inbounds double, double* %a, i64 1
%i3 = load double, double* %arrayidx3, align 8
%arrayidx4 = getelementptr inbounds double, double* %b, i64 1
%i4 = load double, double* %arrayidx4, align 8
%mul5 = fmul double %i3, %i4
store double %mul, double* %c, align 8
%arrayidx5 = getelementptr inbounds double, double* %c, i64 1
store double %mul5, double* %arrayidx5, align 8
ret void
}
; Simple 3-pair chain with loads and stores, obfuscated with bitcasts
define void @test2(double* %a, double* %b, i8* %e) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: [[TMP1:%.*]] = bitcast double* [[A:%.*]] to <2 x double>*
; CHECK-NEXT: [[TMP2:%.*]] = load <2 x double>, <2 x double>* [[TMP1]], align 8
; CHECK-NEXT: [[TMP3:%.*]] = bitcast double* [[B:%.*]] to <2 x double>*
; CHECK-NEXT: [[TMP4:%.*]] = load <2 x double>, <2 x double>* [[TMP3]], align 8
; CHECK-NEXT: [[TMP5:%.*]] = fmul <2 x double> [[TMP2]], [[TMP4]]
; CHECK-NEXT: [[C:%.*]] = bitcast i8* [[E:%.*]] to double*
; CHECK-NEXT: [[TMP6:%.*]] = bitcast double* [[C]] to <2 x double>*
; CHECK-NEXT: store <2 x double> [[TMP5]], <2 x double>* [[TMP6]], align 8
; CHECK-NEXT: ret void
;
%i0 = load double, double* %a, align 8
%i1 = load double, double* %b, align 8
%mul = fmul double %i0, %i1
%arrayidx3 = getelementptr inbounds double, double* %a, i64 1
%i3 = load double, double* %arrayidx3, align 8
%arrayidx4 = getelementptr inbounds double, double* %b, i64 1
%i4 = load double, double* %arrayidx4, align 8
%mul5 = fmul double %i3, %i4
%c = bitcast i8* %e to double*
store double %mul, double* %c, align 8
%carrayidx5 = getelementptr inbounds i8, i8* %e, i64 8
%arrayidx5 = bitcast i8* %carrayidx5 to double*
store double %mul5, double* %arrayidx5, align 8
ret void
}
; Don't vectorize volatile loads.
define void @test_volatile_load(double* %a, double* %b, double* %c) {
; CHECK-LABEL: @test_volatile_load(
; CHECK-NEXT: [[I0:%.*]] = load volatile double, double* [[A:%.*]], align 8
; CHECK-NEXT: [[I1:%.*]] = load volatile double, double* [[B:%.*]], align 8
; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds double, double* [[A]], i64 1
; CHECK-NEXT: [[I3:%.*]] = load double, double* [[ARRAYIDX3]], align 8
; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds double, double* [[B]], i64 1
; CHECK-NEXT: [[I4:%.*]] = load double, double* [[ARRAYIDX4]], align 8
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x double> poison, double [[I0]], i32 0
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x double> [[TMP1]], double [[I3]], i32 1
; CHECK-NEXT: [[TMP3:%.*]] = insertelement <2 x double> poison, double [[I1]], i32 0
; CHECK-NEXT: [[TMP4:%.*]] = insertelement <2 x double> [[TMP3]], double [[I4]], i32 1
; CHECK-NEXT: [[TMP5:%.*]] = fmul <2 x double> [[TMP2]], [[TMP4]]
; CHECK-NEXT: [[TMP6:%.*]] = bitcast double* [[C:%.*]] to <2 x double>*
; CHECK-NEXT: store <2 x double> [[TMP5]], <2 x double>* [[TMP6]], align 8
; CHECK-NEXT: ret void
;
%i0 = load volatile double, double* %a, align 8
%i1 = load volatile double, double* %b, align 8
%mul = fmul double %i0, %i1
%arrayidx3 = getelementptr inbounds double, double* %a, i64 1
%i3 = load double, double* %arrayidx3, align 8
%arrayidx4 = getelementptr inbounds double, double* %b, i64 1
%i4 = load double, double* %arrayidx4, align 8
%mul5 = fmul double %i3, %i4
store double %mul, double* %c, align 8
%arrayidx5 = getelementptr inbounds double, double* %c, i64 1
store double %mul5, double* %arrayidx5, align 8
ret void
}
; Don't vectorize volatile stores.
define void @test_volatile_store(double* %a, double* %b, double* %c) {
; CHECK-LABEL: @test_volatile_store(
; CHECK-NEXT: [[I0:%.*]] = load double, double* [[A:%.*]], align 8
; CHECK-NEXT: [[I1:%.*]] = load double, double* [[B:%.*]], align 8
; CHECK-NEXT: [[MUL:%.*]] = fmul double [[I0]], [[I1]]
; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds double, double* [[A]], i64 1
; CHECK-NEXT: [[I3:%.*]] = load double, double* [[ARRAYIDX3]], align 8
; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds double, double* [[B]], i64 1
; CHECK-NEXT: [[I4:%.*]] = load double, double* [[ARRAYIDX4]], align 8
; CHECK-NEXT: [[MUL5:%.*]] = fmul double [[I3]], [[I4]]
; CHECK-NEXT: store volatile double [[MUL]], double* [[C:%.*]], align 8
; CHECK-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds double, double* [[C]], i64 1
; CHECK-NEXT: store volatile double [[MUL5]], double* [[ARRAYIDX5]], align 8
; CHECK-NEXT: ret void
;
%i0 = load double, double* %a, align 8
%i1 = load double, double* %b, align 8
%mul = fmul double %i0, %i1
%arrayidx3 = getelementptr inbounds double, double* %a, i64 1
%i3 = load double, double* %arrayidx3, align 8
%arrayidx4 = getelementptr inbounds double, double* %b, i64 1
%i4 = load double, double* %arrayidx4, align 8
%mul5 = fmul double %i3, %i4
store volatile double %mul, double* %c, align 8
%arrayidx5 = getelementptr inbounds double, double* %c, i64 1
store volatile double %mul5, double* %arrayidx5, align 8
ret void
}
|
