1; RUN: opt < %s -loop-vectorize -force-vector-width=4 -force-vector-interleave=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