File: expand-copyw-undef.mir

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# RUN: llc -march=hexagon -run-pass postrapseudos -run-pass machineverifier -o - %s | FileCheck %s

# Check that v3 is marked as "undef".
# CHECK: $w0 = V6_vcombine undef $v3, $v2

---
name: fred
tracksRegLiveness: true
body: |
  bb.0:
    liveins: $w1
    A2_nop implicit killed $v3
    $w0 = COPY $w1
    J2_jumpr $r31, implicit-def $pc
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