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