| # RUN: llc -march=hexagon -run-pass hexagon-postincopt %s -o - | FileCheck %s | |
| # Check that this doesn't crash. | |
| # CHECK: Y2_dcfetchbo | |
| name: fred | |
| tracksRegLiveness: true | |
| body: | | |
| bb.0: | |
| successors: %bb.1 | |
| %0:intregs = IMPLICIT_DEF | |
| bb.1: | |
| successors: %bb.1 | |
| %1:intregs = PHI %0:intregs, %bb.0, %2:intregs, %bb.1 | |
| Y2_dcfetchbo %1:intregs, 0 | |
| %2:intregs = A2_addi %1:intregs, 1 | |
| J2_jump %bb.1, implicit-def dead $pc | |
| ... |