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

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (28 lines) | stat: -rw-r--r-- 675 bytes parent folder | download | duplicates (21) 
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
27
28
 
# 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
...