test/CodeGen/X86/xray-empty-function.mir

# RUN: llc -run-pass xray-instrumentation -mtriple=x86_64-unknown-linux-gnu -o - %s | FileCheck %s
#
# Make sure we can handle empty functions.
---
name: empty
tracksRegLiveness: true
liveins:
  - { reg: '%edi'}
body:            |
  bb.0:
    ; CHECK-NOT: PATCHABLE_FUNCTION_ENTER
...