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
|
; RUN: opt -S -basic-aa -loop-vectorize < %s | FileCheck %s
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64-unknown-linux-gnu"
; Function Attrs: nounwind
define void @foo(double* noalias nocapture %a, double* noalias nocapture readonly %b) #0 {
entry:
br label %for.body
; CHECK-LABEL: @foo
; CHECK: <2 x double>
for.cond.cleanup: ; preds = %for.body
ret void
for.body: ; preds = %for.body, %entry
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
%0 = shl nsw i64 %indvars.iv, 1
%odd.idx = add nsw i64 %0, 1
%arrayidx = getelementptr inbounds double, double* %b, i64 %0
%arrayidx.odd = getelementptr inbounds double, double* %b, i64 %odd.idx
%1 = load double, double* %arrayidx, align 8
%2 = load double, double* %arrayidx.odd, align 8
%add = fadd double %1, %2
%arrayidx2 = getelementptr inbounds double, double* %a, i64 %indvars.iv
store double %add, double* %arrayidx2, align 8
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond = icmp eq i64 %indvars.iv.next, 1600
br i1 %exitcond, label %for.cond.cleanup, label %for.body
}
attributes #0 = { nounwind "target-cpu"="pwr8" }
|
