blob: 2af8b3cce6f3b0739bd7ba8d9c761ffa5da92357 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
# 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 %r1l
# Although R0L partially redefines R0Q, it must not mark R0Q as kill
# because R1D is still live through that instruction.
# CHECK-NOT: %r0q<imp-use,kill>
# CHECK-NEXT: %r2d = COPY %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
...
|
