1 # RUN: llc -march=hexagon -post-RA-scheduler -run-pass post-RA-sched %s -o - | FileCheck %s 2 3 --- | 4 declare void @check(i64, i32, i32, i64) 5 define void @foo() { 6 ret void 7 } 8 ... 9 10 --- 11 name: foo 12 tracksRegLiveness: true 13 body: | 14 bb.0: 15 successors: 16 liveins: $r0, $r1, $d1, $d2, $r16, $r17, $r19, $r22, $r23 17 $r2 = A2_add $r23, killed $r17 18 $r6 = M2_mpyi $r16, $r16 19 $r22 = M2_accii $r22, killed $r2, 2 20 $r7 = A2_tfrsi 12345678 21 $r3 = A2_tfr killed $r16 22 $d2 = A2_tfrp killed $d0 23 $r2 = L2_loadri_io $r29, 28 24 $r2 = M2_mpyi killed $r6, killed $r2 25 $r23 = S2_asr_i_r $r22, 31 26 S2_storeri_io killed $r29, 0, killed $r7 27 ; The anti-dependency on r23 between the first A2_add and the 28 ; S2_asr_i_r was causing d11 to be renamed, while r22 remained 29 ; unchanged. Check that the renaming of d11 does not happen. 30 ; CHECK: d11 31 $d0 = A2_tfrp killed $d11 32 J2_call @check, implicit-def $d0, implicit-def $d1, implicit-def $d2, implicit $d0, implicit $d1, implicit $d2 33 ... 34 35
