1; RUN: opt %s -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S | FileCheck %s 2 3define void @foo(ptr %a, i64 %n) { 4; CHECK: vector.body: 5; CHECK: [[WIDE_LOAD:%.*]] = load <4 x float>, ptr {{.*}}, align 4 6; CHECK-NEXT: [[TMP4:%.*]] = fneg <4 x float> [[WIDE_LOAD]] 7; CHECK: store <4 x float> [[TMP4]], ptr {{.*}}, align 4 8; 9entry: 10 br label %for.body 11 12for.body: 13 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 14 %arrayidx = getelementptr inbounds float, ptr %a, i64 %indvars.iv 15 %0 = load float, ptr %arrayidx, align 4 16 %sub = fneg float %0 17 store float %sub, ptr %arrayidx, align 4 18 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 19 %cmp = icmp eq i64 %indvars.iv.next, %n 20 br i1 %cmp, label %for.exit, label %for.body 21 22for.exit: 23 ret void 24} 25