| # RUN: llc -o - %s -march=amdgcn -mcpu=fiji -run-pass=si-insert-skips -verify-machineinstrs | FileCheck -check-prefix=GCN %s |
| |
| # GCN-LABEL: readlane_exec0 |
| # GCN: bb.0 |
| # GCN: S_CBRANCH_EXECZ %bb.2 |
| |
| --- |
| name: readlane_exec0 |
| |
| body: | |
| bb.0: |
| successors: %bb.1, %bb.2 |
| liveins: $vgpr1_vgpr2:0x00000001, $vgpr2_vgpr3:0x00000003 |
| |
| $vgpr4 = V_AND_B32_e32 1, $vgpr1, implicit $exec |
| V_CMP_EQ_U32_e32 1, killed $vgpr4, implicit-def $vcc, implicit $exec |
| $sgpr0_sgpr1 = S_AND_SAVEEXEC_B64 killed $vcc, implicit-def $exec, implicit-def $scc, implicit $exec |
| SI_MASK_BRANCH %bb.2, implicit $exec |
| S_BRANCH %bb.1 |
| |
| bb.1: |
| |
| $sgpr10 = V_READFIRSTLANE_B32 $vgpr2, implicit $exec |
| $sgpr11 = V_READFIRSTLANE_B32 $vgpr3, implicit $exec |
| $sgpr10 = S_LOAD_DWORD_IMM killed $sgpr10_sgpr11, 0, 0 |
| S_WAITCNT 127 |
| $vgpr0 = V_XOR_B32_e32 killed $sgpr10, killed $vgpr0, implicit $exec |
| |
| bb.2: |
| |
| $exec = S_OR_B64 $exec, killed $sgpr0_sgpr1, implicit-def $scc |
| ... |
