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1; This test makes sure that loop will not be unrolled in vectorization if VF computed2; equals to 1.3; RUN: opt < %s -passes=loop-vectorize -S | FileCheck %s4 5; Make sure there are no geps being merged.6; CHECK-LABEL: @foo(7; CHECK: getelementptr8; CHECK-NOT: getelementptr9 10@N = common global i32 0, align 411@a = common global [1000 x i32] zeroinitializer, align 1612 13define void @foo() #0 {14entry:15 %0 = load i32, ptr @N, align 416 %cmp5 = icmp sgt i32 %0, 017 br i1 %cmp5, label %for.body.lr.ph, label %for.end18 19for.body.lr.ph: ; preds = %entry20 %conv = sext i32 %0 to i6421 br label %for.body22 23for.body: ; preds = %for.body.lr.ph, %for.body24 %i.06 = phi i64 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]25 %mul = mul nuw nsw i64 %i.06, 726 %arrayidx = getelementptr inbounds [1000 x i32], ptr @a, i64 0, i64 %mul27 store i32 3, ptr %arrayidx, align 428 %inc = add nuw nsw i64 %i.06, 129 %cmp = icmp slt i64 %inc, %conv30 br i1 %cmp, label %for.body, label %for.end.loopexit31 32for.end.loopexit: ; preds = %for.body33 br label %for.end34 35for.end: ; preds = %for.end.loopexit, %entry36 ret void37}38