1# RUN: llc -mtriple=aarch64-linux-gnu -verify-machineinstrs -o /dev/null %s \ 2# RUN: -run-pass=livevars,phi-node-elimination,twoaddressinstruction \ 3# RUN: -no-phi-elim-live-out-early-exit=1 -phi-elim-split-all-critical-edges=1 4 5# Used to result in 6# 7# *** Bad machine code: LiveVariables: Block should not be in AliveBlocks *** 8# 9# Just verify that we do not crash (or get verifier error). 10 11--- 12name: test 13tracksRegLiveness: true 14body: | 15 bb.0: 16 liveins: $nzcv, $wzr 17 Bcc 8, %bb.2, implicit $nzcv 18 19 bb.1: 20 %x:gpr32 = COPY $wzr 21 22 bb.2: 23 %y:gpr32 = PHI %x:gpr32, %bb.1, undef %undef:gpr32, %bb.0 24 $wzr = COPY %y:gpr32 25... 26