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
|
; RUN: opt < %s -mattr=+neon -interleaved-access -S | FileCheck %s
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
target triple = "arm---eabi"
define void @extract_user_basic(ptr %ptr, i1 %c) {
; CHECK-LABEL: @extract_user_basic(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[VLDN:%.*]] = call { <4 x i32>, <4 x i32> } @llvm.arm.neon.vld2.v4i32.p0(ptr %ptr, i32 8)
; CHECK-NEXT: [[TMP1:%.*]] = extractvalue { <4 x i32>, <4 x i32> } [[VLDN]], 0
; CHECK-NEXT: br i1 %c, label %if.then, label %if.merge
; CHECK: if.then:
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <4 x i32> [[TMP1]], i64 1
; CHECK-NEXT: br label %if.merge
; CHECK: if.merge:
; CHECK-NEXT: ret void
;
entry:
%interleaved.vec = load <8 x i32>, ptr %ptr, align 8
%v0 = shufflevector <8 x i32> %interleaved.vec, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
br i1 %c, label %if.then, label %if.merge
if.then:
%e0 = extractelement <8 x i32> %interleaved.vec, i32 2
br label %if.merge
if.merge:
ret void
}
define void @extract_user_multi(ptr %ptr, i1 %c) {
; CHECK-LABEL: @extract_user_multi(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[VLDN:%.*]] = call { <4 x i32>, <4 x i32> } @llvm.arm.neon.vld2.v4i32.p0(ptr %ptr, i32 8)
; CHECK-NEXT: [[TMP1:%.*]] = extractvalue { <4 x i32>, <4 x i32> } [[VLDN]], 0
; CHECK-NEXT: br i1 %c, label %if.then, label %if.merge
; CHECK: if.then:
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <4 x i32> [[TMP1]], i64 0
; CHECK-NEXT: br label %if.merge
; CHECK: if.merge:
; CHECK-NEXT: [[TMP3:%.*]] = extractelement <4 x i32> [[TMP1]], i64 1
; CHECK-NEXT: ret void
;
entry:
%interleaved.vec = load <8 x i32>, ptr %ptr, align 8
%v0 = shufflevector <8 x i32> %interleaved.vec, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
br i1 %c, label %if.then, label %if.merge
if.then:
%e0 = extractelement <8 x i32> %interleaved.vec, i32 0
br label %if.merge
if.merge:
%e1 = extractelement <8 x i32> %interleaved.vec, i32 2
ret void
}
define void @extract_user_multi_no_dom(ptr %ptr, i1 %c) {
; CHECK-LABEL: @extract_user_multi_no_dom(
; CHECK-NOT: @llvm.arm.neon
; CHECK: ret void
;
entry:
%interleaved.vec = load <8 x i32>, ptr %ptr, align 8
%e0 = extractelement <8 x i32> %interleaved.vec, i32 0
br i1 %c, label %if.then, label %if.merge
if.then:
%v0 = shufflevector <8 x i32> %interleaved.vec, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
%e1 = extractelement <8 x i32> %interleaved.vec, i32 2
br label %if.merge
if.merge:
ret void
}
define void @extract_user_wrong_const_index(ptr %ptr) {
; CHECK-LABEL: @extract_user_wrong_const_index(
; CHECK-NOT: @llvm.arm.neon
; CHECK: ret void
;
entry:
%interleaved.vec = load <8 x i32>, ptr %ptr, align 8
%v0 = shufflevector <8 x i32> %interleaved.vec, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
%e0 = extractelement <8 x i32> %interleaved.vec, i32 1
ret void
}
define void @extract_user_undef_index(ptr %ptr) {
; CHECK-LABEL: @extract_user_undef_index(
; CHECK-NOT: @llvm.arm.neon
; CHECK: ret void
;
entry:
%interleaved.vec = load <8 x i32>, ptr %ptr, align 8
%v0 = shufflevector <8 x i32> %interleaved.vec, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
%e0 = extractelement <8 x i32> %interleaved.vec, i32 undef
ret void
}
define void @extract_user_var_index(ptr %ptr, i32 %i) {
; CHECK-LABEL: @extract_user_var_index(
; CHECK-NOT: @llvm.arm.neon
; CHECK: ret void
;
entry:
%interleaved.vec = load <8 x i32>, ptr %ptr, align 8
%v0 = shufflevector <8 x i32> %interleaved.vec, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
%e0 = extractelement <8 x i32> %interleaved.vec, i32 %i
ret void
}
|
