1; RUN: llc -mtriple=s390x-linux-gnu -mcpu=zEC12 < %s | FileCheck %s 2; 3; Check that DAGCombiner doesn't crash in SystemZ combineTruncateExtract() 4; when handling EXTRACT_VECTOR_ELT without vector support. 5 6define void @autogen_SD21598(<2 x i8> %Arg) { 7; CHECK: stc %r3, 0(%r1) 8; CHECK: j .LBB0_1 9 10entry: 11 br label %loop 12 13loop: ; preds = %CF249, %CF247 14 %Shuff = shufflevector <2 x i8> undef, <2 x i8> %Arg, <2 x i32> <i32 3, i32 1> 15 %E = extractelement <2 x i8> %Shuff, i32 0 16 store i8 %E, i8* undef 17 br label %loop 18} 19