forked from OSchip/llvm-project
35 lines
969 B
YAML
35 lines
969 B
YAML
# 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
|
|
registers:
|
|
- { id: 0, class: gr128bit }
|
|
- { id: 1, class: gr64bit }
|
|
- { id: 2, class: addr64bit }
|
|
# CHECK: $r0q = L128
|
|
# CHECK-NEXT: $r0l = COPY renamable $r1l
|
|
# Although R0L partially redefines R0Q, it must not mark R0Q as kill
|
|
# because R1D is still live through that instruction.
|
|
# CHECK-NOT: implicit killed $r0q
|
|
# CHECK-NEXT: $r2d = COPY renamable $r1d
|
|
# CHECK-NEXT: LARL
|
|
body: |
|
|
bb.0:
|
|
%0.subreg_hl32 = COPY %0.subreg_l32
|
|
%1 = COPY %0.subreg_l64
|
|
%2 = LARL @g_167
|
|
STC %1.subreg_l32, %2, 8, $noreg
|
|
|
|
...
|