File: cfi-inserter-verify-inconsistent-offset.mir

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (26 lines) | stat: -rw-r--r-- 669 bytes parent folder | download | duplicates (23) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
# 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 offset between bb.end and one of
# its precedessors.
--- |
  define void @inconsistentOffset() {
    bb.end:
      ret void
  }
...
---
# CHECK: *** Inconsistent CFA register and/or offset between pred and succ ***
# CHECK: Succ: bb.end
# CHECK: LLVM ERROR: Found 1 in/out CFI information errors.
name: inconsistentOffset
body: |
  bb.0:
    CFI_INSTRUCTION def_cfa_offset 24
    JCC_1 %bb.2, 5, implicit undef $eflags

  bb.1:
    CFI_INSTRUCTION def_cfa_offset 32

  bb.2.bb.end:
    RET 0
...