| 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 |
| 13 | liveins: %vgpr1_vgpr2:0x00000001, %vgpr2_vgpr3:0x00000003 |
| 14 | |
| 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 |
| 19 | S_BRANCH %bb.1 |
| 20 | |
| 21 | bb.1: |
| 22 | |
| 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 |
| 26 | S_WAITCNT 127 |
| 27 | %vgpr0 = V_XOR_B32_e32 killed %sgpr10, killed %vgpr0, implicit %exec |
| 28 | |
| 29 | bb.2: |
| 30 | |
| 31 | %exec = S_OR_B64 %exec, killed %sgpr0_sgpr1, implicit-def %scc |
| 32 | ... |