| ; RUN: llc < %s -march=bfin -join-liveintervals=0 -verify-machineinstrs | |
| ; Provoke an error in LowerSubregsPass::LowerExtract where the live range of a | |
| ; super-register is illegally extended. | |
| define i16 @f(i16 %x1, i16 %x2, i16 %x3, i16 %x4) { | |
| %y1 = add i16 %x1, 1 | |
| %y2 = add i16 %x2, 2 | |
| %y3 = add i16 %x3, 3 | |
| %y4 = add i16 %x4, 4 | |
| %z12 = add i16 %y1, %y2 | |
| %z34 = add i16 %y3, %y4 | |
| %p = add i16 %z12, %z34 | |
| ret i16 %p | |
| } |