1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 2 2# RUN: llc -mtriple=armv7 -run-pass=machine-cp %s -o - | FileCheck %s 3 4# Positive test: $d15 has sub-register $s30, which should be propagated. 5--- 6name: test_d15 7tracksRegLiveness: true 8liveins: 9 - { reg: '$d15' } 10body: | 11 bb.0.entry: 12 liveins: $d15 13 14 ; CHECK-LABEL: name: test_d15 15 ; CHECK: liveins: $d15 16 ; CHECK-NEXT: {{ $}} 17 ; CHECK-NEXT: $s0 = COPY $s30 18 ; CHECK-NEXT: BX_RET 14 /* CC::al */, $noreg, implicit killed $s0 19 renamable $d14 = COPY killed $d15 20 $s0 = COPY killed renamable $s28 21 BX_RET 14 /* CC::al */, $noreg, implicit killed $s0 22 23... 24 25# Negative test: $d18 does not have sub-registers. 26--- 27name: test_d18 28tracksRegLiveness: true 29liveins: 30 - { reg: '$d18' } 31body: | 32 bb.0.entry: 33 liveins: $d18 34 35 ; CHECK-LABEL: name: test_d18 36 ; CHECK: liveins: $d18 37 ; CHECK-NEXT: {{ $}} 38 ; CHECK-NEXT: renamable $d14 = COPY killed $d18 39 ; CHECK-NEXT: $s0 = COPY killed renamable $s28 40 ; CHECK-NEXT: BX_RET 14 /* CC::al */, $noreg, implicit killed $s0 41 renamable $d14 = COPY killed $d18 42 $s0 = COPY killed renamable $s28 43 BX_RET 14 /* CC::al */, $noreg, implicit killed $s0 44 45... 46