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| # RUN: llc -mtriple=s390x-linux-gnu -mcpu=z14 -O0 -start-after=regallocfast %s \
# RUN: -o - | FileCheck %s
#
# Test that LOCRMux expansion works at -O0.
--- |
define internal i32 @fun(i16 %arg) { bb: ret i32 0 }
...
# CHECK-LABEL: fun
# CHECK: risbhg %r13, %r13, 0, 159, 32
---
name: 'fun'
alignment: 16
tracksRegLiveness: true
frameInfo:
maxAlignment: 8
machineFunctionInfo: {}
body: |
bb.0.bb:
renamable $r0d = IMPLICIT_DEF
CGHI killed renamable $r0d, 8, implicit-def $cc
renamable $r13l = LHIMux 0
renamable $r13h = LHIMux -1
renamable $r13h = LOCRMux renamable $r13h, killed renamable $r13l, 14, 10, implicit $cc
renamable $r2l = COPY killed renamable $r13h
Return implicit killed $r2l
...
|