# RUN: llc -march=hexagon -o - %s -run-pass=machine-cp | FileCheck %s --- name: dont_propagate_past_lower_subreg_kill tracksRegLiveness: true body: | bb.0: ; CHECK-LABEL: name: dont_propagate_past_lower_subreg_kill ; CHECK: A2_nop implicit-def $d0 ; CHECK: A2_nop implicit-def $r2 ; CHECK: A2_nop implicit killed $r2 ; CHECK: $d1 = COPY killed $d0 ; CHECK: $d2 = COPY $d1 ; CHECK: A2_nop implicit $d2 A2_nop implicit-def $d0 $d1 = COPY killed $d0 $d0 = COPY killed $d1 A2_nop implicit-def $r2 A2_nop implicit killed $r2 $d1 = COPY killed $d0 $d2 = COPY $d1 A2_nop implicit $d2 ... --- name: dont_propagate_past_upper_subreg_kill tracksRegLiveness: true body: | bb.0: ; CHECK-LABEL: name: dont_propagate_past_upper_subreg_kill ; CHECK: A2_nop implicit-def $d0 ; CHECK: A2_nop implicit-def $r3 ; CHECK: A2_nop implicit killed $r3 ; CHECK: $d1 = COPY killed $d0 ; CHECK: $d2 = COPY $d1 ; CHECK: A2_nop implicit $d2 A2_nop implicit-def $d0 $d1 = COPY killed $d0 $d0 = COPY killed $d1 A2_nop implicit-def $r3 A2_nop implicit killed $r3 $d1 = COPY killed $d0 $d2 = COPY $d1 A2_nop implicit $d2 ...