1# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z14 -O0 -start-after=regallocfast %s \
2# RUN: -o - | FileCheck %s
3#
4# Test that LOCRMux expansion works at -O0.
5
6--- |
7  define internal i32 @fun(i16 %arg) { bb: ret i32 0 }
8...
9
10# CHECK-LABEL: fun
11# CHECK: risbhg  %r13, %r13, 0, 159, 32
12
13---
14name:            'fun'
15alignment:       16
16tracksRegLiveness: true
17frameInfo:
18  maxAlignment:    8
19machineFunctionInfo: {}
20body:             |
21  bb.0.bb:
22    renamable $r0d = IMPLICIT_DEF
23    CGHI killed renamable $r0d, 8, implicit-def $cc
24    renamable $r13l = LHIMux 0
25    renamable $r13h = LHIMux -1
26    renamable $r13h = LOCRMux renamable $r13h, killed renamable $r13l, 14, 10, implicit $cc
27    renamable $r2l = COPY killed renamable $r13h
28    Return implicit killed $r2l
29...
30