1# RUN: llc -verify-machineinstrs -run-pass regallocfast -mtriple s390x-ibm-linux -o - %s | FileCheck %s
2--- |
3
4  @g_167 = external global [5 x i64], align 8
5  define void @main() local_unnamed_addr {
6    ret void
7  }
8...
9# Make sure the usage of different subregisters on the same virtual register
10# does not result in invalid kill flags.
11# PR33677
12---
13name:            main
14alignment:       4
15tracksRegLiveness: true
16# CHECK: $r0l = COPY renamable $r1l
17# Although R0L partially redefines R0Q, it must not mark R0Q as kill
18# because R1D is still live through that instruction.
19# CHECK-NOT: implicit killed $r0q
20# CHECK-NEXT: {{\$r[0-9]+d}} = COPY renamable $r1d
21# CHECK-NEXT: LARL
22body:             |
23  bb.0:
24    %0 : gr128bit = IMPLICIT_DEF
25    %0.subreg_hl32 = COPY %0.subreg_l32
26    %1 : gr64bit = COPY %0.subreg_l64
27    %2 : addr64bit = LARL @g_167
28    STC %1.subreg_l32, %2, 8, $noreg
29
30...
31