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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=slp-vectorizer -S -mcpu=corei7-avx | FileCheck %s --check-prefixes=ANY,AVX
; RUN: opt < %s -passes=slp-vectorizer -slp-max-reg-size=128 -S -mcpu=corei7-avx | FileCheck %s --check-prefixes=ANY,MAX128
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define void @store_chains(ptr %x) {
; AVX-LABEL: @store_chains(
; AVX-NEXT: [[TMP2:%.*]] = load <4 x double>, ptr [[X:%.*]], align 8
; AVX-NEXT: [[TMP3:%.*]] = fadd <4 x double> [[TMP2]], [[TMP2]]
; AVX-NEXT: [[TMP4:%.*]] = fadd <4 x double> [[TMP3]], [[TMP2]]
; AVX-NEXT: store <4 x double> [[TMP4]], ptr [[X]], align 8
; AVX-NEXT: ret void
;
; MAX128-LABEL: @store_chains(
; MAX128-NEXT: [[TMP2:%.*]] = load <2 x double>, ptr [[X:%.*]], align 8
; MAX128-NEXT: [[TMP3:%.*]] = fadd <2 x double> [[TMP2]], [[TMP2]]
; MAX128-NEXT: [[TMP4:%.*]] = fadd <2 x double> [[TMP3]], [[TMP2]]
; MAX128-NEXT: store <2 x double> [[TMP4]], ptr [[X]], align 8
; MAX128-NEXT: [[TMP6:%.*]] = getelementptr inbounds double, ptr [[X]], i64 2
; MAX128-NEXT: [[TMP8:%.*]] = load <2 x double>, ptr [[TMP6]], align 8
; MAX128-NEXT: [[TMP9:%.*]] = fadd <2 x double> [[TMP8]], [[TMP8]]
; MAX128-NEXT: [[TMP10:%.*]] = fadd <2 x double> [[TMP9]], [[TMP8]]
; MAX128-NEXT: store <2 x double> [[TMP10]], ptr [[TMP6]], align 8
; MAX128-NEXT: ret void
;
%1 = load double, ptr %x, align 8
%2 = fadd double %1, %1
%3 = fadd double %2, %1
store double %3, ptr %x, align 8
%4 = getelementptr inbounds double, ptr %x, i64 1
%5 = load double, ptr %4, align 8
%6 = fadd double %5, %5
%7 = fadd double %6, %5
store double %7, ptr %4, align 8
%8 = getelementptr inbounds double, ptr %x, i64 2
%9 = load double, ptr %8, align 8
%10 = fadd double %9, %9
%11 = fadd double %10, %9
store double %11, ptr %8, align 8
%12 = getelementptr inbounds double, ptr %x, i64 3
%13 = load double, ptr %12, align 8
%14 = fadd double %13, %13
%15 = fadd double %14, %13
store double %15, ptr %12, align 8
ret void
}
define void @store_chains_prefer_width_attr(ptr %x) #0 {
; ANY-LABEL: @store_chains_prefer_width_attr(
; ANY-NEXT: [[TMP2:%.*]] = load <2 x double>, ptr [[X:%.*]], align 8
; ANY-NEXT: [[TMP3:%.*]] = fadd <2 x double> [[TMP2]], [[TMP2]]
; ANY-NEXT: [[TMP4:%.*]] = fadd <2 x double> [[TMP3]], [[TMP2]]
; ANY-NEXT: store <2 x double> [[TMP4]], ptr [[X]], align 8
; ANY-NEXT: [[TMP6:%.*]] = getelementptr inbounds double, ptr [[X]], i64 2
; ANY-NEXT: [[TMP8:%.*]] = load <2 x double>, ptr [[TMP6]], align 8
; ANY-NEXT: [[TMP9:%.*]] = fadd <2 x double> [[TMP8]], [[TMP8]]
; ANY-NEXT: [[TMP10:%.*]] = fadd <2 x double> [[TMP9]], [[TMP8]]
; ANY-NEXT: store <2 x double> [[TMP10]], ptr [[TMP6]], align 8
; ANY-NEXT: ret void
;
%1 = load double, ptr %x, align 8
%2 = fadd double %1, %1
%3 = fadd double %2, %1
store double %3, ptr %x, align 8
%4 = getelementptr inbounds double, ptr %x, i64 1
%5 = load double, ptr %4, align 8
%6 = fadd double %5, %5
%7 = fadd double %6, %5
store double %7, ptr %4, align 8
%8 = getelementptr inbounds double, ptr %x, i64 2
%9 = load double, ptr %8, align 8
%10 = fadd double %9, %9
%11 = fadd double %10, %9
store double %11, ptr %8, align 8
%12 = getelementptr inbounds double, ptr %x, i64 3
%13 = load double, ptr %12, align 8
%14 = fadd double %13, %13
%15 = fadd double %14, %13
store double %15, ptr %12, align 8
ret void
}
attributes #0 = { "prefer-vector-width"="128" }
|
