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1# RUN: llc -mtriple=amdgcn--amdpal -run-pass=register-coalescer -o - %s | FileCheck %s2 3# Check that this doesn't crash. Check for some legitimate output.4# CHECK: S_CBRANCH_SCC15 6---7name: fred8tracksRegLiveness: true9body: |10 bb.0:11 successors: %bb.1, %bb.212 liveins: $sgpr413 undef %0.sub2:sgpr_128 = COPY $sgpr414 %3 = IMPLICIT_DEF15 S_CBRANCH_SCC1 %bb.2, implicit undef $scc16 17 bb.1:18 successors: %bb.219 %0.sub0:sgpr_128 = COPY %0.sub220 %0.sub1:sgpr_128 = COPY %0.sub221 %1:sgpr_128 = COPY %022 %2:sgpr_128 = COPY %023 %0:sgpr_128 = COPY %224 %3:sgpr_128 = COPY %125 26 bb.2:27 $sgpr1 = COPY %328 $sgpr2 = COPY %0.sub229...30