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; 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
}
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