1 ; RUN: opt -loop-vectorize -S < %s | FileCheck %s
2 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
3 target triple = "x86_64-unknown-linux-gnu"
5 ; Function Attrs: norecurse nounwind uwtable
6 define void @Test(i32* nocapture %res, i32* nocapture readnone %c, i32* nocapture readonly %d, i32* nocapture readonly %p) #0 {
13 for.body: ; preds = %cond.end, %entry
14 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %cond.end ]
15 %arrayidx = getelementptr inbounds i32, i32* %p, i64 %indvars.iv
16 %0 = load i32, i32* %arrayidx, align 4, !llvm.access.group !1
17 %cmp1 = icmp eq i32 %0, 0
18 %arrayidx3 = getelementptr inbounds i32, i32* %res, i64 %indvars.iv
19 %1 = load i32, i32* %arrayidx3, align 4, !llvm.access.group !1
20 br i1 %cmp1, label %cond.end, label %cond.false
22 cond.false: ; preds = %for.body
23 %arrayidx7 = getelementptr inbounds i32, i32* %d, i64 %indvars.iv
24 %2 = load i32, i32* %arrayidx7, align 4, !llvm.access.group !1
25 %add = add nsw i32 %2, %1
28 cond.end: ; preds = %for.body, %cond.false
29 %cond = phi i32 [ %add, %cond.false ], [ %1, %for.body ]
30 store i32 %cond, i32* %arrayidx3, align 4, !llvm.access.group !1
31 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
32 %exitcond = icmp eq i64 %indvars.iv.next, 16
33 br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0
35 for.end: ; preds = %cond.end
39 attributes #0 = { norecurse nounwind uwtable "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" }
41 !0 = distinct !{!0, !{!"llvm.loop.parallel_accesses", !1}}