1 # RUN: llc -verify-machineinstrs -run-pass regallocfast -mtriple s390x-ibm-linux -o - %s | FileCheck %s
2 # RUN: llc -verify-machineinstrs -passes=regallocfast -mtriple s390x-ibm-linux -o - %s | FileCheck %s
5 @g_167 = external global [5 x i64], align 8
6 define void @main() local_unnamed_addr {
10 # Make sure the usage of different subregisters on the same virtual register
11 # does not result in invalid kill flags.
16 tracksRegLiveness: true
17 # CHECK: $r0l = COPY renamable $r1l
18 # Although R0L partially redefines R0Q, it must not mark R0Q as kill
19 # because R1D is still live through that instruction.
20 # CHECK-NOT: implicit killed $r0q
21 # CHECK-NEXT: {{\$r[0-9]+d}} = COPY renamable $r1d
25 %0 : gr128bit = IMPLICIT_DEF
26 %0.subreg_l32 = COPY %0.subreg_ll32
27 %1 : gr64bit = COPY %0.subreg_l64
28 %2 : addr64bit = LARL @g_167
29 STC %1.subreg_l32, %2, 8, $noreg