1 # RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -run-pass=si-i1-copies -o - %s | FileCheck -check-prefixes=GCN %s
3 # GCN-LABEL: name: lcssa_phi
6 tracksRegLiveness: true
9 %0:sreg_64 = S_MOV_B64 0
10 %8:vreg_1 = IMPLICIT_DEF
11 %10:sreg_64 = IMPLICIT_DEF
12 %11:sreg_64 = SI_IF %10, %bb.3, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
16 %1:sreg_64 = PHI %0, %bb.0, %3, %bb.1
17 %2:sreg_64 = IMPLICIT_DEF
18 %3:sreg_64 = SI_IF_BREAK %2, %1, implicit-def dead $scc
19 %4:sreg_64 = IMPLICIT_DEF
21 SI_LOOP %3, %bb.1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
25 %6:vreg_1 = PHI %5, %bb.1
26 SI_END_CF %3, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
29 %7:vreg_1 = PHI %6, %bb.2, %8, %bb.0
30 SI_END_CF %11, implicit-def dead $exec, implicit-def dead $scc, implicit $exec