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1# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z15 -start-before=greedy %s -o - \2# RUN: | FileCheck %s3#4# Test that two-address reg alloc hints are given so that a SELR becomes LOCR.5 6 7--- |8 define i32 @fun(i32 %arg, i32 %arg1, i32 %arg2, ptr %arg3) { ret i32 0 }9 declare void @foo(i32)10...11# CHECK-LABEL: fun12# CHECK: locr13 14---15name: fun16alignment: 1617tracksRegLiveness: true18registers:19 - { id: 0, class: gr32bit }20 - { id: 1, class: gr32bit }21 - { id: 2, class: gr32bit }22 - { id: 3, class: gr32bit }23 - { id: 4, class: gr64bit }24 - { id: 5, class: grx32bit }25 - { id: 6, class: grx32bit }26 - { id: 7, class: addr64bit }27 - { id: 8, class: grx32bit }28 - { id: 9, class: grx32bit }29 - { id: 10, class: gr64bit }30 - { id: 11, class: gr32bit }31frameInfo:32 maxAlignment: 133 adjustsStack: true34 hasCalls: true35machineFunctionInfo: {}36body: |37 bb.0:38 %5:grx32bit = LHIMux 8839 %8:grx32bit = LHIMux 7740 %9:grx32bit = LHIMux 6641 42 bb.1:43 %6:grx32bit = LLCMux undef %7:addr64bit, 0, $noreg :: (load (s8) from `ptr undef`)44 CHIMux %6, 1, implicit-def $cc45 %11:gr32bit = SELRMux %8, %9:grx32bit, 14, 6, implicit killed $cc46 CHIMux %6, 2, implicit-def $cc47 %0:gr32bit = SELRMux %11, %5, 14, 8, implicit killed $cc48 %10:gr64bit = LGFR %049 $r2d = COPY %1050 CallBRASL @foo, killed $r2d, csr_systemz_elf, implicit-def dead $r14d, implicit-def dead $cc, implicit $fpc51 J %bb.152 53...54