1; RUN: opt < %s -loop-vectorize -force-vector-width=4 -force-vector-unroll=2 -S -mtriple=xcore | FileCheck %s
2
3target datalayout = "e-p:32:32:32-a0:0:32-n32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f16:16:32-f32:32:32-f64:32:32"
4target triple = "xcore"
5; The xcore target has no vector registers, so loop should not be vectorized.
6;CHECK-LABEL: @f(
7;CHECK: entry:
8;CHECK-NOT: vector.body
9;CHECK-NEXT: br label %do.body
10define void @f(i8* nocapture %ptr, i32 %len) {
11entry:
12  br label %do.body
13do.body:
14  %ptr.addr.0 = phi i8* [ %ptr, %entry ], [ %incdec.ptr, %do.body ]
15  %len.addr.0 = phi i32 [ %len, %entry ], [ %dec, %do.body ]
16  %incdec.ptr = getelementptr inbounds i8* %ptr.addr.0, i32 1
17  store i8 0, i8* %ptr.addr.0, align 1
18  %dec = add nsw i32 %len.addr.0, -1
19  %tobool = icmp eq i32 %len.addr.0, 0
20  br i1 %tobool, label %do.end, label %do.body
21do.end:
22  ret void
23}
24