1 # RUN: llc -mtriple=s390x-linux-gnu -mcpu=z14 -O0 -start-after=regallocfast %s \
2 # RUN: -o - | FileCheck %s
4 # Test that LOCRMux expansion works at -O0.
7 define internal i32 @fun(i16 %arg) { bb: ret i32 0 }
11 # CHECK: risbhg %r13, %r13, 0, 159, 32
16 tracksRegLiveness: true
19 machineFunctionInfo: {}
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