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1# RUN: llc -mtriple=amdgcn-- -run-pass=liveintervals,dead-mi-elimination,register-coalescer -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s2 3# This is used to fail verififcation if MachineDCE tracks LIS.4 5# GCN-LABEL: name: foo6# GCN: S_ENDPGM7---8name: foo9tracksRegLiveness: true10body: |11 bb.0:12 liveins: $sgpr0_sgpr113 14 %10:sgpr_128 = S_LOAD_DWORDX4_IMM killed $noreg, 9, 015 S_NOP 0, implicit-def %4:sgpr_128, implicit %10.sub1:sgpr_12816 S_CBRANCH_SCC0 %bb.3, implicit undef $scc17 S_BRANCH %bb.118 19 bb.1:20 S_CBRANCH_SCC0 %bb.2, implicit undef $scc21 S_BRANCH %bb.322 23 bb.2:24 %8:sreg_32_xm0 = COPY %4.sub1:sgpr_12825 %7:sreg_32_xm0 = COPY %10.sub1:sgpr_12826 S_BRANCH %bb.427 28 bb.3:29 %10:sgpr_128 = S_LOAD_DWORDX4_IMM killed $noreg, 10, 030 %7:sreg_32_xm0 = COPY %10.sub1:sgpr_12831 %8:sreg_32_xm0 = COPY %10.sub2:sgpr_12832 33 bb.4:34 S_NOP 0, implicit %1035 $sgpr0 = COPY %8:sreg_32_xm036 $sgpr1 = COPY %7:sreg_32_xm037 S_ENDPGM 0, implicit $sgpr0, implicit $sgpr138...39