1; RUN: llc < %s -march=x86-64 | FileCheck %s 2; RUN: llc < %s -march=x86 | FileCheck %s 3 4;CHECK-LABEL: test 5define <2 x i256> @test() { 6 %S = shufflevector <2 x i256> zeroinitializer, <2 x i256> <i256 -1, i256 -1>, <2 x i32> <i32 0, i32 2> 7 %B = shl <2 x i256> %S, <i256 -1, i256 -1> ; DAG Combiner crashes here 8 ret <2 x i256> %B 9} 10