File: 2007-05-29-UnionCopy.c

package info (click to toggle)
llvm 2.6-9.1
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 57,604 kB
  • ctags: 44,336
  • sloc: cpp: 344,766; sh: 12,407; ansic: 10,617; ada: 3,070; ml: 2,505; perl: 2,496; makefile: 1,426; pascal: 1,163; exp: 389; asm: 307; python: 298; objc: 260; lisp: 182; csh: 117; xml: 38; f90: 36; tcl: 20
file content (18 lines) | stat: -rw-r--r-- 229 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
// RUN: %llvmgcc -S -o - -emit-llvm %s | grep memcpy
// PR1421

struct A {
  char c;
  int i;
};

struct B {
  int c;
  unsigned char x;
};

union U { struct A a; struct B b; };

void check(union U *u, union U *v) {
  *u = *v;
}