File: 2005-02-11-AnonymousUnion.cpp

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 (32 lines) | stat: -rw-r--r-- 472 bytes parent folder | download | duplicates (38) 
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
29
30
31
32
 
// RUN: %clang_cc1 %s -emit-llvm -o -

// Test anonymous union with members of the same size.
int test1(float F) {
  union {
     float G;
     int i;
  };
  G = F;
  return i;
}

// test anonymous union with members of differing size.
int test2(short F) {
  volatile union {
     short G;
     int i;
  };
  G = F;
  return i;
}

// Make sure that normal unions work.  duh :)
volatile union U_t {
  short S;
  int i;
} U;

int test3(short s) {
  U.S = s;
  return U.i;
}