blob: b2e1968bb59a8ebe335f962df1f7711523bb8831 [file] [log] [blame]
# RUN: llc -march=hexagon -run-pass if-converter -verify-machineinstrs -o - %s | FileCheck %s
# CHECK-LABEL: name: foo
# CHECK: %p0 = C2_cmpeqi %r16, 0
# Make sure there is no implicit use of r1.
# CHECK: %r1 = L2_ploadruhf_io %p0, %r29, 6
--- |
define void @foo() {
ret void
name: foo
tracksRegLiveness: true
body: |
liveins: %r16
successors: %bb.1, %bb.2
%p0 = C2_cmpeqi %r16, 0
J2_jumpt %p0, %bb.2, implicit-def %pc
; The lane mask %d0:0002 is equivalent to %r0. LivePhysRegs would ignore
; it and treat it as the whole %d0, which is a pair %r1, %r0. The extra
; %r1 would cause an (undefined) implicit use to be added during
; if-conversion.
liveins: %d0:0x00000002, %d15:0x00000001, %r16
successors: %bb.2
%r1 = L2_loadruh_io %r29, 6
S2_storeri_io killed %r16, 0, %r1
liveins: %r0
%d8 = L2_loadrd_io %r29, 8
L4_return implicit-def %r29, implicit-def %r30, implicit-def %r31, implicit-def %pc, implicit %r30