; RUN: llc < %s -o /dev/null ; This regression test is defending against a use of the wrong interface ; (EVT::getVectorNumElements()) for a scalable vector. This issue ; appeared in DAGCombiner::visitINSERT_SUBVECTOR because of the use of ; getVectorNumElements() on scalable types. target triple = "aarch64-unknown-linux-gnu" attributes #0 = {"target-features"="+sve"} declare <16 x float> @llvm.vector.extract.v16f32.nxv4f32(, i64) declare @llvm.vector.insert.nxv2f64.v8f64(, <8 x double>, i64) define @reproducer_one( %vec_a) #0 { %a = call <16 x float> @llvm.vector.extract.v16f32.nxv4f32( %vec_a, i64 0) %b = bitcast <16 x float> %a to <8 x double> %retval = call @llvm.vector.insert.nxv2f64.v8f64( undef, <8 x double> %b, i64 0) ret %retval } define @reproducer_two(<4 x double> %a, <4 x double> %b) #0 { %concat = shufflevector <4 x double> %a, <4 x double> %b, <8 x i32> %retval = call @llvm.vector.insert.nxv2f64.v8f64( undef, <8 x double> %concat, i64 0) ret %retval }