File: egraph-asm-goto-no-crash.cpp

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (26 lines) | stat: -rw-r--r-- 608 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: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -verify %s

// expected-no-diagnostics

void clang_analyzer_warnIfReached();

void testAsmGoto() {
  asm goto("xor %0, %0\n je %l[label1]\n jl %l[label2]"
           : /* no outputs */
           : /* inputs */
           : /* clobbers */
           : label1, label2 /* any labels used */);

  // FIXME: Should be reachable.
  clang_analyzer_warnIfReached();

  label1:
  // FIXME: Should be reachable.
  clang_analyzer_warnIfReached();
  return;

  label2:
  // FIXME: Should be reachable.
  clang_analyzer_warnIfReached();
  return;
}