1; RUN: llc < %s -march=bfin -join-liveintervals=0 -verify-machineinstrs 2; RUN: llc < %s -march=bfin -join-liveintervals=0 -verify-machineinstrs -regalloc=greedy 3 4; Provoke an error in LowerSubregsPass::LowerExtract where the live range of a 5; super-register is illegally extended. 6 7define i16 @f(i16 %x1, i16 %x2, i16 %x3, i16 %x4) { 8 %y1 = add i16 %x1, 1 9 %y2 = add i16 %x2, 2 10 %y3 = add i16 %x3, 3 11 %y4 = add i16 %x4, 4 12 %z12 = add i16 %y1, %y2 13 %z34 = add i16 %y3, %y4 14 %p = add i16 %z12, %z34 15 ret i16 %p 16} 17