| # RUN: llc -march=hexagon -post-RA-scheduler -run-pass post-RA-sched %s -o - | FileCheck %s |
| |
| --- | |
| declare void @check(i64, i32, i32, i64) |
| define void @foo() { |
| ret void |
| } |
| ... |
| |
| --- |
| name: foo |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| successors: |
| liveins: %r0, %r1, %d1, %d2, %r16, %r17, %r19, %r22, %r23 |
| %r2 = A2_add %r23, killed %r17 |
| %r6 = M2_mpyi %r16, %r16 |
| %r22 = M2_accii %r22, killed %r2, 2 |
| %r7 = A2_tfrsi 12345678 |
| %r3 = A2_tfr killed %r16 |
| %d2 = A2_tfrp killed %d0 |
| %r2 = L2_loadri_io %r29, 28 |
| %r2 = M2_mpyi killed %r6, killed %r2 |
| %r23 = S2_asr_i_r %r22, 31 |
| S2_storeri_io killed %r29, 0, killed %r7 |
| ; The anti-dependency on r23 between the first A2_add and the |
| ; S2_asr_i_r was causing d11 to be renamed, while r22 remained |
| ; unchanged. Check that the renaming of d11 does not happen. |
| ; CHECK: d11 |
| %d0 = A2_tfrp killed %d11 |
| J2_call @check, implicit-def %d0, implicit-def %d1, implicit-def %d2, implicit %d0, implicit %d1, implicit %d2 |
| ... |
| |