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
|
; REQUIRES: asserts
; RUN: opt < %s -loop-vectorize -debug-only=loop-vectorize -S 2>&1 | FileCheck %s
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
target triple = "arm64-apple-ios5.0.0"
define void @selects_1(i32* nocapture %dst, i32 %A, i32 %B, i32 %C, i32 %N) {
; CHECK: LV: Found an estimated cost of 1 for VF 2 For instruction: %cond = select i1 %cmp1, i32 10, i32 %and
; CHECK: LV: Found an estimated cost of 1 for VF 2 For instruction: %cond6 = select i1 %cmp2, i32 30, i32 %and
; CHECK: LV: Found an estimated cost of 1 for VF 2 For instruction: %cond11 = select i1 %cmp7, i32 %cond, i32 %cond6
; CHECK: LV: Found an estimated cost of 1 for VF 4 For instruction: %cond = select i1 %cmp1, i32 10, i32 %and
; CHECK: LV: Found an estimated cost of 1 for VF 4 For instruction: %cond6 = select i1 %cmp2, i32 30, i32 %and
; CHECK: LV: Found an estimated cost of 1 for VF 4 For instruction: %cond11 = select i1 %cmp7, i32 %cond, i32 %cond6
; CHECK-LABEL: define void @selects_1(
; CHECK: vector.body:
; CHECK: select <4 x i1>
entry:
%cmp26 = icmp sgt i32 %N, 0
br i1 %cmp26, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader: ; preds = %entry
%wide.trip.count = zext i32 %N to i64
br label %for.body
for.body: ; preds = %for.body.preheader, %for.body
%indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ]
%arrayidx = getelementptr inbounds i32, i32* %dst, i64 %indvars.iv
%0 = load i32, i32* %arrayidx, align 4
%and = and i32 %0, 2047
%cmp1 = icmp eq i32 %and, %A
%cond = select i1 %cmp1, i32 10, i32 %and
%cmp2 = icmp eq i32 %and, %B
%cond6 = select i1 %cmp2, i32 30, i32 %and
%cmp7 = icmp ugt i32 %cond, %C
%cond11 = select i1 %cmp7, i32 %cond, i32 %cond6
store i32 %cond11, i32* %arrayidx, align 4
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
br i1 %exitcond.not, label %for.cond.cleanup.loopexit, label %for.body
for.cond.cleanup.loopexit: ; preds = %for.body
br label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
ret void
}
|
