File: ifcvt-common-kill.mir

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llvm-toolchain-20 1%3A20.1.8-1~exp1
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# RUN: llc -mtriple=hexagon -run-pass if-converter -o - %s -verify-machineinstrs | FileCheck %s

# CHECK: $r26 = A2_tfr $r1
# CHECK: S2_pstorerhf_io undef $p0, undef $r0, 0, killed $r1

---
name:            foo
tracksRegLiveness: true
body: |
  bb.0:
    successors: %bb.1, %bb.2
    liveins: $r0, $r1
      J2_jumpf undef $p0, %bb.2, implicit-def $pc

  bb.1:
    successors: %bb.3
    liveins: $r1
      ; This <kill> flag should be cleared. It didn't use to be, because
      ; this instruction is treated as a duplicate of the corresponding
      ; instruction from the "false" block bb.2. Clearing of the <kill>
      ; flags was limited to the non-common part of the "true" block.
      $r26 = A2_tfr killed $r1
      J2_jump %bb.3, implicit-def $pc

  bb.2:
    successors: %bb.3
    liveins: $r1
      $r26 = A2_tfr $r1
      S2_storerh_io undef $r0, 0, killed $r1
      J2_jump %bb.3, implicit-def $pc

  bb.3:
    liveins: $r26
...