1 ; RUN: opt -mattr=+avx512f --loop-vectorize -S < %s | llc -mattr=+avx512f | FileCheck %s
3 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
4 target triple = "x86_64-apple-macosx10.9.0"
6 ; Verify that we generate 512-bit wide vectors for a basic integer memset
10 ; CHECK: vmovdqu32 %zmm{{.}}, (
13 define void @f(i32* %a, i32 %n) {
15 %cmp4 = icmp sgt i32 %n, 0
16 br i1 %cmp4, label %for.body.preheader, label %for.end
18 for.body.preheader: ; preds = %entry
21 for.body: ; preds = %for.body.preheader, %for.body
22 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
23 %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
24 store i32 %n, i32* %arrayidx, align 4
25 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
26 %lftr.wideiv = trunc i64 %indvars.iv.next to i32
27 %exitcond = icmp eq i32 %lftr.wideiv, %n
28 br i1 %exitcond, label %for.end.loopexit, label %for.body
30 for.end.loopexit: ; preds = %for.body
33 for.end: ; preds = %for.end.loopexit, %entry