1 # RUN: llc -march=hexagon -run-pass if-converter -verify-machineinstrs -o - %s | FileCheck %s
3 # CHECK-LABEL: name: foo
4 # CHECK: $p0 = C2_cmpeqi $r16, 0
5 # Make sure there is no implicit use of r1.
6 # CHECK: $r1 = L2_ploadruhf_io $p0, $r29, 6
17 tracksRegLiveness: true
22 successors: %bb.1, %bb.2
23 $p0 = C2_cmpeqi $r16, 0
24 J2_jumpt $p0, %bb.2, implicit-def $pc
27 ; The lane mask $d0:0002 is equivalent to $r0. LivePhysRegs would ignore
28 ; it and treat it as the whole $d0, which is a pair $r1, $r0. The extra
29 ; $r1 would cause an (undefined) implicit use to be added during
31 liveins: $d0:0x00000002, $d15:0x00000001, $r16
33 $r1 = L2_loadruh_io $r29, 6
34 S2_storeri_io killed $r16, 0, $r1
38 $d8 = L2_loadrd_io $r29, 8
39 $d15 = L4_return $r29, implicit-def $r29, implicit-def $pc, implicit $r30, implicit $framekey