1 ; RUN: opt < %s -passes=loop-vectorize,dce,instcombine -force-vector-interleave=1 -vectorizer-min-trip-count=1 -force-vector-width=4 -S | FileCheck %s
3 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
4 target triple = "x86_64-unknown-linux-gnu"
7 define void @trivial_loop(ptr nocapture %a) nounwind uwtable optsize {
11 for.body: ; preds = %for.body, %entry
12 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
13 %arrayidx = getelementptr inbounds float, ptr %a, i64 %indvars.iv
14 %0 = load float, ptr %arrayidx, align 4
15 %add = fadd float %0, 1.000000e+00
16 store float %add, ptr %arrayidx, align 4
17 %indvars.iv.next = add i64 %indvars.iv, 1
18 %lftr.wideiv = trunc i64 %indvars.iv.next to i32
19 %exitcond = icmp eq i32 %lftr.wideiv, 8
20 br i1 %exitcond, label %for.end, label %for.body
22 for.end: ; preds = %for.body