| Alexander Timofeev | 4651396 | 2017-10-03 18:55:36 +0000 | [diff] [blame] | 1 | # RUN: llc -o - %s -march=amdgcn -mcpu=fiji -run-pass=si-insert-skips -verify-machineinstrs | FileCheck -check-prefix=GCN %s |
| 2 | |
| 3 | # GCN-LABEL: readlane_exec0 |
| 4 | # GCN: bb.0 |
| 5 | # GCN: S_CBRANCH_EXECZ %bb.2 |
| 6 | |
| 7 | --- |
| 8 | name: readlane_exec0 |
| 9 | |
| 10 | body: | |
| 11 | bb.0: |
| 12 | successors: %bb.1, %bb.2 |
| Puyan Lotfi | 43e94b1 | 2018-01-31 22:04:26 +0000 | [diff] [blame] | 13 | liveins: $vgpr1_vgpr2:0x00000001, $vgpr2_vgpr3:0x00000003 |
| Alexander Timofeev | 4651396 | 2017-10-03 18:55:36 +0000 | [diff] [blame] | 14 | |
| Puyan Lotfi | 43e94b1 | 2018-01-31 22:04:26 +0000 | [diff] [blame] | 15 | $vgpr4 = V_AND_B32_e32 1, $vgpr1, implicit $exec |
| 16 | V_CMP_EQ_U32_e32 1, killed $vgpr4, implicit-def $vcc, implicit $exec |
| 17 | $sgpr0_sgpr1 = S_AND_SAVEEXEC_B64 killed $vcc, implicit-def $exec, implicit-def $scc, implicit $exec |
| 18 | SI_MASK_BRANCH %bb.2, implicit $exec |
| Alexander Timofeev | 4651396 | 2017-10-03 18:55:36 +0000 | [diff] [blame] | 19 | S_BRANCH %bb.1 |
| 20 | |
| 21 | bb.1: |
| 22 | |
| Puyan Lotfi | 43e94b1 | 2018-01-31 22:04:26 +0000 | [diff] [blame] | 23 | $sgpr10 = V_READFIRSTLANE_B32 $vgpr2, implicit $exec |
| 24 | $sgpr11 = V_READFIRSTLANE_B32 $vgpr3, implicit $exec |
| 25 | $sgpr10 = S_LOAD_DWORD_IMM killed $sgpr10_sgpr11, 0, 0 |
| Alexander Timofeev | 4651396 | 2017-10-03 18:55:36 +0000 | [diff] [blame] | 26 | S_WAITCNT 127 |
| Puyan Lotfi | 43e94b1 | 2018-01-31 22:04:26 +0000 | [diff] [blame] | 27 | $vgpr0 = V_XOR_B32_e32 killed $sgpr10, killed $vgpr0, implicit $exec |
| Alexander Timofeev | 4651396 | 2017-10-03 18:55:36 +0000 | [diff] [blame] | 28 | |
| 29 | bb.2: |
| 30 | |
| Puyan Lotfi | 43e94b1 | 2018-01-31 22:04:26 +0000 | [diff] [blame] | 31 | $exec = S_OR_B64 $exec, killed $sgpr0_sgpr1, implicit-def $scc |
| Alexander Timofeev | 4651396 | 2017-10-03 18:55:36 +0000 | [diff] [blame] | 32 | ... |