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# RUN: llc -march=hexagon -run-pass unreachable-mbb-elimination %s -o - | FileCheck %s
---
name: fred
tracksRegLiveness: true
body: |
bb.0:
liveins: $d0
successors: %bb.2
%0 : doubleregs = COPY $d0
J2_jump %bb.2, implicit-def $pc
bb.1:
successors: %bb.2
A2_nop
bb.2:
; Make sure that the subregister from the PHI operand is preserved.
; CHECK: %[[REG:[0-9]+]]:intregs = COPY %0.isub_lo
; CHECK: $r0 = COPY %[[REG]]
%1 : intregs = PHI %0.isub_lo, %bb.0, %0.isub_hi, %bb.1
$r0 = COPY %1
...
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