1cee313d2SEric Christopher; RUN: opt -S -O3 -force-vector-width=2 -force-vector-interleave=1 < %s | FileCheck --check-prefix=LOOPVEC %s 2*733c8c40SAlina Sbirlea; RUN: opt -S -O3 -vectorize-loops=false -force-vector-width=2 -force-vector-interleave=1 < %s | FileCheck --check-prefix=NOLOOPVEC %s 3cee313d2SEric Christopher 4cee313d2SEric Christophertarget 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" 5cee313d2SEric Christopher 6cee313d2SEric Christopher; Make sure we can disable vectorization in opt. 7cee313d2SEric Christopher 8cee313d2SEric Christopher; LOOPVEC: add <2 x i32> 9cee313d2SEric Christopher; NOLOOPVEC-NOT: add <2 x i32> 10cee313d2SEric Christopher 11cee313d2SEric Christopherdefine i32 @vect(i32* %a) { 12cee313d2SEric Christopherentry: 13cee313d2SEric Christopher br label %for.body 14cee313d2SEric Christopher 15cee313d2SEric Christopherfor.body: 16cee313d2SEric Christopher %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 17cee313d2SEric Christopher %red.05 = phi i32 [ 0, %entry ], [ %add, %for.body ] 18cee313d2SEric Christopher %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv 19cee313d2SEric Christopher %0 = load i32, i32* %arrayidx, align 4 20cee313d2SEric Christopher %add = add nsw i32 %0, %red.05 21cee313d2SEric Christopher %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 22cee313d2SEric Christopher %exitcond = icmp eq i64 %indvars.iv.next, 255 23cee313d2SEric Christopher br i1 %exitcond, label %for.end, label %for.body 24cee313d2SEric Christopher 25cee313d2SEric Christopherfor.end: 26cee313d2SEric Christopher ret i32 %add 27cee313d2SEric Christopher} 28