2 ; RUN: opt -S -loop-vectorize -force-vector-width=8 -force-vector-interleave=1 -enable-interleaved-mem-accesses -debug-only=loop-vectorize,vectorutils -disable-output < %s 2>&1 | FileCheck %s
4 target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
6 ; Ensure that we don't create interleave groups for predicated
9 ; CHECK: LV: Checking a loop in "masked_strided"
10 ; CHECK: LV: Analyzing interleaved accesses...
11 ; CHECK-NOT: LV: Creating an interleave group
13 define dso_local void @masked_strided(i8* noalias nocapture readonly %p, i8* noalias nocapture %q, i8 zeroext %guard) local_unnamed_addr {
15 %conv = zext i8 %guard to i32
19 %ix.017 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
20 %cmp1 = icmp ugt i32 %ix.017, %conv
21 br i1 %cmp1, label %if.then, label %for.inc
24 %mul = shl nuw nsw i32 %ix.017, 1
25 %arrayidx = getelementptr inbounds i8, i8* %p, i32 %mul
26 %0 = load i8, i8* %arrayidx, align 1
27 %arrayidx4 = getelementptr inbounds i8, i8* %q, i32 %mul
28 store i8 %0, i8* %arrayidx4, align 1
31 %arrayidx8 = getelementptr inbounds i8, i8* %q, i32 %add
32 store i8 %sub, i8* %arrayidx8, align 1
36 %inc = add nuw nsw i32 %ix.017, 1
37 %exitcond = icmp eq i32 %inc, 1024
38 br i1 %exitcond, label %for.end, label %for.body