2017-07-08 03:25:45 +08:00
|
|
|
# RUN: llc -verify-machineinstrs -run-pass regallocfast -mtriple s390x-ibm-linux -o - %s | FileCheck %s
|
|
|
|
--- |
|
|
|
|
|
|
|
|
@g_167 = external global [5 x i64], align 8
|
|
|
|
define void @main() local_unnamed_addr {
|
|
|
|
ret void
|
|
|
|
}
|
|
|
|
...
|
|
|
|
# Make sure the usage of different subregisters on the same virtual register
|
|
|
|
# does not result in invalid kill flags.
|
|
|
|
# PR33677
|
|
|
|
---
|
|
|
|
name: main
|
|
|
|
alignment: 2
|
|
|
|
tracksRegLiveness: true
|
2018-10-30 04:10:42 +08:00
|
|
|
# CHECK: $r0l = COPY renamable $r1l
|
2017-07-08 03:25:45 +08:00
|
|
|
# Although R0L partially redefines R0Q, it must not mark R0Q as kill
|
|
|
|
# because R1D is still live through that instruction.
|
2018-02-01 06:04:26 +08:00
|
|
|
# CHECK-NOT: implicit killed $r0q
|
2018-10-30 04:10:42 +08:00
|
|
|
# CHECK-NEXT: {{\$r[0-9]+d}} = COPY renamable $r1d
|
2017-07-08 03:25:45 +08:00
|
|
|
# CHECK-NEXT: LARL
|
|
|
|
body: |
|
|
|
|
bb.0:
|
2018-10-30 04:10:42 +08:00
|
|
|
%0 : gr128bit = IMPLICIT_DEF
|
2017-07-08 03:25:45 +08:00
|
|
|
%0.subreg_hl32 = COPY %0.subreg_l32
|
2018-10-30 04:10:42 +08:00
|
|
|
%1 : gr64bit = COPY %0.subreg_l64
|
|
|
|
%2 : addr64bit = LARL @g_167
|
2018-02-01 06:04:26 +08:00
|
|
|
STC %1.subreg_l32, %2, 8, $noreg
|
2017-07-08 03:25:45 +08:00
|
|
|
|
|
|
|
...
|