File: waitcnt-trailing.mir

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llvm-toolchain-21 1%3A21.1.6-3
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# RUN: llc -mtriple=amdgcn -verify-machineinstrs -run-pass si-insert-waitcnts -o - %s | FileCheck %s

# Check that a trivial soft waitcnt at the end of a block is deleted even if it
# is followed by a meta instruction.

# CHECK-LABEL: name: waitcnt-no-redundant
# CHECK: S_WAITCNT 0
# CHECK: S_MOV_B32
# CHECK-NOT: S_WAITCNT

---
name: waitcnt-no-redundant
body: |
  bb.1:
    S_WAITCNT_soft 53119
    $sgpr2 = S_MOV_B32 42
    S_WAITCNT_soft 53119
    $vgpr2 = IMPLICIT_DEF

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