1 # Check that the extra operand for the full register added by RegAlloc does
2 # not have a latency that interferes with the latency adjustment
3 # (ReadAdvance) for the MSY register operand.
5 # RUN: llc %s -mtriple=s390x-linux-gnu -mcpu=z13 -start-before=machine-scheduler \
6 # RUN: -debug-only=machine-scheduler -o - 2>&1 | FileCheck %s
9 # CHECK: ScheduleDAGMI::schedule starting
10 # CHECK: SU(4): renamable $r2l = MSR renamable $r2l(tied-def 0), renamable $r2l
12 # CHECK: SU(5): renamable $r2l = MSY renamable $r2l(tied-def 0), renamable $r1d, -4, $noreg, implicit $r2d
13 # CHECK: Predecessors:
14 # CHECK: SU(4): Data Latency=2 Reg=$r2l
15 # CHECK: SU(4): Data Latency=0 Reg=$r2d
20 tracksRegLiveness: true
23 %1:addr64bit = IMPLICIT_DEF
24 %2:addr64bit = IMPLICIT_DEF
25 %3:vr64bit = IMPLICIT_DEF
28 %2:addr64bit = ALGFI %2, 4294967291, implicit-def dead $cc
29 %2.subreg_l32:addr64bit = MSR %2.subreg_l32, %2.subreg_l32
30 %2.subreg_l32:addr64bit = MSY %2.subreg_l32, %1, -4, $noreg