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
|
; REQUIRES: asserts
; RUN: opt -passes=loop-vectorize -debug-only=loop-vectorize \
; RUN: -force-tail-folding-style=data-with-evl \
; RUN: -prefer-predicate-over-epilogue=predicate-dont-vectorize \
; RUN: -mtriple=powerpc64le-unknown-linux-gnu \
; RUN: -mcpu=pwr10 -disable-output < %s 2>&1 | FileCheck %s
define void @foo(ptr noalias %a, ptr noalias %b, ptr noalias %c, i64 %N) {
; CHECK-LABEL: VPlan 'Initial VPlan for VF={2,4},UF>=1' {
; CHECK-NEXT: Live-in vp<[[VFxUF:%.+]]> = VF * UF
; CHECK-NEXT: Live-in vp<[[VTC:%.+]]> = vector-trip-count
; CHECK-NEXT: Live-in vp<[[BTC:%.+]]> = backedge-taken count
; CHECK-NEXT: Live-in ir<%N> = original trip-count
; CHECK-EMPTY:
; CHECK-NEXT: vector.ph:
; CHECK-NEXT: Successor(s): vector loop
; CHECK-EMPTY:
; CHECK-NEXT: <x1> vector loop: {
; CHECK-NEXT: vector.body:
; CHECK-NEXT: EMIT vp<[[CAN_IV:%.+]]> = CANONICAL-INDUCTION ir<0>, vp<[[CAN_INC:%.*]]>
; CHECK-NEXT: WIDEN-INDUCTION %iv = phi 0, %iv.next, ir<1>
; CHECK-NEXT: EMIT vp<[[CMP:%.+]]> = icmp ule ir<%iv>, vp<[[BTC]]>
; CHECK-NEXT: Successor(s): pred.store
; CHECK-EMPTY:
; CHECK-NEXT: <xVFxUF> pred.store: {
; CHECK-NEXT: pred.store.entry:
; CHECK-NEXT: BRANCH-ON-MASK vp<[[CMP]]>
; CHECK-NEXT: Successor(s): pred.store.if, pred.store.continue
; CHECK-EMPTY:
; CHECK-NEXT: pred.store.if:
; CHECK-NEXT: vp<[[STEPS:%.+]]> = SCALAR-STEPS vp<[[CAN_IV]]>, ir<1>
; CHECK-NEXT: REPLICATE ir<%arrayidx> = getelementptr inbounds ir<%b>, vp<[[STEPS]]>
; CHECK-NEXT: REPLICATE ir<%0> = load ir<%arrayidx>
; CHECK-NEXT: REPLICATE ir<%arrayidx2> = getelementptr inbounds ir<%c>, vp<[[STEPS]]>
; CHECK-NEXT: REPLICATE ir<%1> = load ir<%arrayidx2>
; CHECK-NEXT: REPLICATE ir<%arrayidx4> = getelementptr inbounds ir<%a>, vp<[[STEPS]]>
; CHECK-NEXT: REPLICATE ir<%add> = add nsw ir<%1>, ir<%0>
; CHECK-NEXT: REPLICATE store ir<%add>, ir<%arrayidx4>
; CHECK-NEXT: Successor(s): pred.store.continue
; CHECK-EMPTY:
; CHECK-NEXT: pred.store.continue:
; CHECK-NEXT: No successors
; CHECK-NEXT: }
; CHECK-NEXT: Successor(s): for.body.2
; CHECK-EMPTY:
; CHECK-NEXT: for.body.2:
; CHECK-NEXT: EMIT vp<[[CAN_INC:%.+]]> = add vp<[[CAN_IV]]>, vp<[[VFxUF]]>
; CHECK-NEXT: EMIT branch-on-count vp<[[CAN_INC]]>, vp<[[VTC]]>
; CHECK-NEXT: No successors
; CHECK-NEXT: }
;
entry:
br label %for.body
for.body:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]
%arrayidx = getelementptr inbounds i32, ptr %b, i64 %iv
%0 = load i32, ptr %arrayidx, align 4
%arrayidx2 = getelementptr inbounds i32, ptr %c, i64 %iv
%1 = load i32, ptr %arrayidx2, align 4
%add = add nsw i32 %1, %0
%arrayidx4 = getelementptr inbounds i32, ptr %a, i64 %iv
store i32 %add, ptr %arrayidx4, align 4
%iv.next = add nuw nsw i64 %iv, 1
%exitcond.not = icmp eq i64 %iv.next, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
}
define void @safe_dep(ptr %p) {
; CHECK-LABEL: VPlan 'Initial VPlan for VF={2},UF>=1' {
; CHECK-NEXT: Live-in vp<[[VFxUF:%.+]]> = VF * UF
; CHECK-NEXT: Live-in vp<[[VTC:%.+]]> = vector-trip-count
; CHECK-NEXT: Live-in ir<512> = original trip-count
; CHECK-EMPTY:
; CHECK-NEXT: vector.ph:
; CHECK-NEXT: Successor(s): vector loop
; CHECK-EMPTY:
; CHECK-NEXT: <x1> vector loop: {
; CHECK-NEXT: vector.body:
; CHECK-NEXT: EMIT vp<[[CAN_IV:%.+]]> = CANONICAL-INDUCTION ir<0>, vp<[[CAN_INC:%.+]]>
; CHECK-NEXT: vp<[[STEPS:%.+]]> = SCALAR-STEPS vp<[[CAN_IV]]>, ir<1>
; CHECK-NEXT: CLONE ir<%a1> = getelementptr ir<%p>, vp<[[STEPS]]>
; CHECK-NEXT: vp<[[VPTR1:%.+]]> = vector-pointer ir<%a1>
; CHECK-NEXT: WIDEN ir<%v> = load vp<[[VPTR1]]>
; CHECK-NEXT: CLONE ir<%offset> = add vp<[[STEPS]]>, ir<100>
; CHECK-NEXT: CLONE ir<%a2> = getelementptr ir<%p>, ir<%offset>
; CHECK-NEXT: vp<[[VPTR2:%.+]]> = vector-pointer ir<%a2>
; CHECK-NEXT: WIDEN store vp<[[VPTR2]]>, ir<%v>
; CHECK-NEXT: EMIT vp<[[CAN_INC]]> = add nuw vp<[[CAN_IV]]>, vp<[[VFxUF]]>
; CHECK-NEXT: EMIT branch-on-count vp<[[CAN_INC]]>, vp<[[VTC]]>
; CHECK-NEXT: No successors
; CHECK-NEXT: }
;
entry:
br label %loop
loop:
%iv = phi i64 [0, %entry], [%iv.next, %loop]
%a1 = getelementptr i64, ptr %p, i64 %iv
%v = load i64, ptr %a1, align 32
%offset = add i64 %iv, 100
%a2 = getelementptr i64, ptr %p, i64 %offset
store i64 %v, ptr %a2, align 32
%iv.next = add i64 %iv, 1
%cmp = icmp ne i64 %iv, 511
br i1 %cmp, label %loop, label %exit
exit:
ret void
}
|
