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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S < %s -slp-vectorizer -slp-max-reg-size=128 -slp-min-reg-size=128 | FileCheck %s
declare void @llvm.sideeffect()
; SLP vectorization across a @llvm.sideeffect.
define void @test_sideeffect(float* %p) {
; CHECK-LABEL: @test_sideeffect(
; CHECK-NEXT: [[P0:%.*]] = getelementptr float, float* [[P:%.*]], i64 0
; CHECK-NEXT: [[P1:%.*]] = getelementptr float, float* [[P]], i64 1
; CHECK-NEXT: [[P2:%.*]] = getelementptr float, float* [[P]], i64 2
; CHECK-NEXT: [[P3:%.*]] = getelementptr float, float* [[P]], i64 3
; CHECK-NEXT: call void @llvm.sideeffect()
; CHECK-NEXT: [[TMP1:%.*]] = bitcast float* [[P0]] to <4 x float>*
; CHECK-NEXT: [[TMP2:%.*]] = load <4 x float>, <4 x float>* [[TMP1]], align 4
; CHECK-NEXT: call void @llvm.sideeffect()
; CHECK-NEXT: [[TMP3:%.*]] = bitcast float* [[P0]] to <4 x float>*
; CHECK-NEXT: store <4 x float> [[TMP2]], <4 x float>* [[TMP3]], align 4
; CHECK-NEXT: ret void
;
%p0 = getelementptr float, float* %p, i64 0
%p1 = getelementptr float, float* %p, i64 1
%p2 = getelementptr float, float* %p, i64 2
%p3 = getelementptr float, float* %p, i64 3
%l0 = load float, float* %p0
%l1 = load float, float* %p1
%l2 = load float, float* %p2
call void @llvm.sideeffect()
%l3 = load float, float* %p3
store float %l0, float* %p0
call void @llvm.sideeffect()
store float %l1, float* %p1
store float %l2, float* %p2
store float %l3, float* %p3
ret void
}
declare void @foo()
define void @test_inaccessiblememonly(float* %p) {
; CHECK-LABEL: @test_inaccessiblememonly(
; CHECK-NEXT: [[P0:%.*]] = getelementptr float, float* [[P:%.*]], i64 0
; CHECK-NEXT: [[P1:%.*]] = getelementptr float, float* [[P]], i64 1
; CHECK-NEXT: [[P2:%.*]] = getelementptr float, float* [[P]], i64 2
; CHECK-NEXT: [[P3:%.*]] = getelementptr float, float* [[P]], i64 3
; CHECK-NEXT: call void @foo() #[[ATTR1:[0-9]+]]
; CHECK-NEXT: [[TMP1:%.*]] = bitcast float* [[P0]] to <4 x float>*
; CHECK-NEXT: [[TMP2:%.*]] = load <4 x float>, <4 x float>* [[TMP1]], align 4
; CHECK-NEXT: call void @foo() #[[ATTR1]]
; CHECK-NEXT: [[TMP3:%.*]] = bitcast float* [[P0]] to <4 x float>*
; CHECK-NEXT: store <4 x float> [[TMP2]], <4 x float>* [[TMP3]], align 4
; CHECK-NEXT: ret void
;
%p0 = getelementptr float, float* %p, i64 0
%p1 = getelementptr float, float* %p, i64 1
%p2 = getelementptr float, float* %p, i64 2
%p3 = getelementptr float, float* %p, i64 3
%l0 = load float, float* %p0
%l1 = load float, float* %p1
%l2 = load float, float* %p2
call void @foo() inaccessiblememonly
%l3 = load float, float* %p3
store float %l0, float* %p0
call void @foo() inaccessiblememonly
store float %l1, float* %p1
store float %l2, float* %p2
store float %l3, float* %p3
ret void
}
|
