| # RUN: llc -mtriple=aarch64-linux-gnu -verify-machineinstrs -o /dev/null %s \ |
| # RUN: -run-pass=livevars,phi-node-elimination,twoaddressinstruction \ |
| # RUN: -no-phi-elim-live-out-early-exit=1 -phi-elim-split-all-critical-edges=1 |
| |
| # Used to result in |
| # |
| # *** Bad machine code: LiveVariables: Block should not be in AliveBlocks *** |
| # |
| # Just verify that we do not crash (or get verifier error). |
| |
| --- |
| name: test |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $nzcv, $wzr |
| Bcc 8, %bb.2, implicit $nzcv |
| |
| bb.1: |
| %x:gpr32 = COPY $wzr |
| |
| bb.2: |
| %y:gpr32 = PHI %x:gpr32, %bb.1, undef %undef:gpr32, %bb.0 |
| $wzr = COPY %y:gpr32 |
| ... |