test/CodeGen/X86/cfi-inserter-verify-inconsistent-csr.mir

# RUN: not --crash llc -o - %s -mtriple=x86_64-- -verify-cfiinstrs \
# RUN:     -run-pass=cfi-instr-inserter 2>&1 | FileCheck %s
# Test that CFI verifier finds inconsistent csr saved set between bb.end and
# one of its precedessors.
--- |
  define void @inconsistentCSR() {
  entry:
    br label %then
  then:
    br label %end
  end:
    ret void
  }
...
---
# CHECK: *** Inconsistent CSR Saved between pred and succ in function inconsistentCSR ***
# CHECK: LLVM ERROR: Found 1 in/out CFI information errors.
name: inconsistentCSR
body: |
  bb.0.entry:
    JCC_1 %bb.2, 5, implicit undef $eflags

  bb.1.then:
    CFI_INSTRUCTION offset $rbp, -16

  bb.2.end:
    RET 0
...