llvm/llvm/test/Other/change-printer.mir

# REQUIRES: x86-registered-target
# RUN: llc -mtriple=x86_64-unknown-linux-gnu -filetype=null %s \
# RUN: -p no-op-machine-function -print-changed 2>&1 | FileCheck %s --check-prefix=CHECK-NO-OP

# RUN: llc -mtriple=x86_64-unknown-linux-gnu -filetype=null %s \
# RUN: -p dead-mi-elimination -print-changed 2>&1 | FileCheck %s --check-prefix=CHECK-SIMPLE

---
name:            test
body:             |
  bb.0:
    %1:gr64 = MOV64ri 0
    %2:gr64 = MOV64ri 0
    $eax = COPY %1
    RET64 implicit $eax
...

# CHECK-NO-OP: *** IR Dump After NoOpMachineFunctionPass on test omitted because no change ***

# CHECK-SIMPLE: *** IR Dump After DeadMachineInstructionElimPass on test ***
# CHECK-SIMPLE-NOT: %2:gr64 = MOV64ri 0