; RUN: opt -loop-vectorize -force-vector-width=2 -force-vector-interleave=1 -S < %s | FileCheck %s @a = common global [128 x i32] zeroinitializer, align 16 ;; Must not vectorize division reduction. Division is lossy. define i32 @g() { entry: br label %for.body for.body: ; CHECK-LABEL: @g( ; CHECK-NOT: sdiv <2 x i32> %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] %r.05 = phi i32 [ 80, %entry ], [ %div, %for.body ] %arrayidx = getelementptr inbounds [128 x i32], [128 x i32]* @a, i64 0, i64 %indvars.iv %0 = load i32, i32* %arrayidx, align 4 %div = sdiv i32 %r.05, %0 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 1024 br i1 %exitcond, label %for.end, label %for.body for.end: ret i32 %div }