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