File: 2002-03-14-BrokenSSA.c

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (17 lines) | stat: -rw-r--r-- 350 bytes parent folder | download | duplicates (13) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
// RUN: %clang_cc1 -emit-llvm %s  -o /dev/null

/* This code used to break GCC's SSA computation code.  It would create
   uses of B & C that are not dominated by their definitions.  See:
   http://gcc.gnu.org/ml/gcc/2002-03/msg00697.html
 */
int bar(void);
int foo(void)
{
  int a,b,c;

  a = b + c;
  b = bar();
  c = bar();
  return a + b + c;
}